ubiquinone and Chronic-Disease

Aim    The aim of the study was evaluation of the effect of the coenzyme Q10 (Q10) treatment on all-cause and cardiovascular mortality of patients with chronic heart failure (CHF). Q-10 increases the electron transfer in the mitochondrial respiratory chain and exerts anti-inflammatory and antioxidant effects. These effects improve the endothelial function and reduce afterload, which facilitates the heart pumping function. Patients with reduced left ventricular (LV) ejection fraction (EF) (CHFrEF) have low Q10.Material and methods    Criteria of inclusion in the meta-analysis: 1) placebo-controlled studies; 2) enrollment of at least 100 patients; 3) publications after 2010, which implies an optimal basic therapy for CHF; 4) duration of at least 6 months; 5) reported cardiovascular and/or all-cause mortality; 6) using sufficient doses of Q10 (>100 mg/day). The search was performed in CENTRAL, MEDLINE, Embase, Web of Science, E-library, and ClinicalTrials.gov databases. All-cause mortality was the primary efficacy endpoint in this systematic review and the meta-analysis. The secondary endpoint was cardiovascular mortality. Meta-analysis was performed according to the Mantel-Haenszel methods. The Cochrane criterion (I2) was used for evaluation of statistical heterogeneity. The random effects model was used at I2≥50 %, whereas the fixed effects model was used at I2<50.Results    Analysis of studies published from 01.01.2011 to 01.12.2021 identified 357 publications, 23 of which corresponded to the study topic, but only 6 (providing results of four randomized clinical trials, RCT) completely met the predefined criteria. The final analysis included results of managing 1139 patients (586 received Q10 and 553 received placebo). Risk of all-cause death was analyzed by data of four RCTs (1139 patients). The decrease in the risk associated with the Q10 treatment was 36 % (OR=0.64, 95 % CI 0.48-0.87, р=0.004). The heterogeneity of studies was low (Chi2=0.84; p=0.84; I2=0 %). Risk of cardiovascular mortality was analyzed by data of two RCTs (863 patients). The decrease in the risk associated with the Q10 treatment was significant, 55% (OR=0.45, 95 % CI: 0.32-0.64, р=0.00001). In this case, the data heterogeneity was also low (Chi2=0.41; p=0.52; I2=0 %).Conclusion    The meta-analysis confirmed the beneficial effect of coenzyme Q10 on the prognosis of patients with CHFrEF receiving the recommended basic therapy.

Topics: Chronic Disease; Heart Failure; Humans; Stroke Volume; Ubiquinone; Ventricular Function, Left; Vitamins

Unprecedented community containment measures were taken following the recent outbreak of COVID-19 in Italy. The aim of the study was to explore the self-reported future compliance of citizens with such measures and its relationship with potentially impactful psychological variables.. An online survey was completed by 931 people (18-76 years) distributed across the Italian territory. In addition to demographics, five dimensions were measured: self-reported compliance with containment measures over time (today, at 7, 14, 30, 60, 90, and 180 days from now) at three hypothetical risk levels (10, 50, 90% of likelihood of contracting the COVID-19), perceived risk, generalized anxiety, intolerance of uncertainty, and relevance of several psychological needs whose satisfaction is currently precluded.. The duration of containment measures plays a crucial role in tackling the spread of the disease as people will be less compliant over time. Psychological needs of citizens impacting on the compliance should be taken into account when planning an easing of the lockdown, along with interventions for protecting vulnerable groups from mental distress.. La apendicitis aguda (AA) es la urgencia quirúrgica abdominal más frecuente. No encontramos estudios específicos que evalúen el impacto de la pandemia causada por el coronavirus 2 (SARS-Cov-2) sobre la AA y su tratamiento quirúrgico. Analizamos la influencia de esta nueva patología sobre la AA.. Estudio observacional retrospectivo en pacientes intervenidos por AA desde enero hasta abril de 2020. Fueron clasificados según el momento de la apendicectomía, antes de la declaración del estado de alarma (Pre-COVID19) y después de la declaración del estado de alarma (Post-COVID19) en España. Se evaluaron variables demográficas, duración de la sintomatología, tipo de apendicitis, tiempo quirúrgico, estancia hospitalaria y complicaciones postoperatorias.. La pandemia por SARS-Cov-2 influye en el momento de diagnóstico de la apendicitis, así como en su grado de evolución y estancia hospitalaria. La peritonitis fue lo más frecuentemente observado. Una sospecha y orientación clínica más temprana, es necesaria para evitar un manejo inadecuado de este trastorno quirúrgico común.. The primary outcome is improvement in PaO. Findings will provide timely information on the safety, efficacy, and optimal dosing of t-PA to treat moderate/severe COVID-19-induced ARDS, which can be rapidly adapted to a phase III trial (NCT04357730; FDA IND 149634).. None.. The gut barrier is crucial in cirrhosis in preventing infection-causing bacteria that normally live in the gut from accessing the liver and other organs via the bloodstream. Herein, we characterised gut inflammation by measuring different markers in stool samples from patients at different stages of cirrhosis and comparing this to healthy people. These markers, when compared with equivalent markers usually measured in blood, were found to be very different in pattern and absolute levels, suggesting that there is significant gut inflammation in cirrhosis related to different immune system pathways to that seen outside of the gut. This provides new insights into gut-specific immune disturbances that predispose to complications of cirrhosis, and emphasises that a better understanding of the gut-liver axis is necessary to develop better targeted therapies.. La surveillance de l’intervalle QT a suscité beaucoup d’intérêt durant la pandémie de la COVID-19 en raison de l’utilisation de médicaments prolongeant l’intervalle QT et les préoccupations quant à la transmission virale par les électrocardiogrammes (ECG) en série. Nous avons posé l’hypothèse que la surveillance en continu de l’intervalle QT par télémétrie était associée à une meilleure détection des épisodes de prolongation de l’intervalle QT.. Nous avons introduit la télémétrie cardiaque en continu (TCC) à l’aide d’un algorithme de surveillance automatisée de l’intervalle QT dans nos unités de COVID-19. Les mesures automatisées quotidiennes de l’intervalle QT corrigé (auto-QTc) en fonction de la fréquence cardiaque maximale ont été enregistrées. Nous avons comparé la proportion des épisodes de prolongation marquée de l’intervalle QTc (QTc long), définie par un intervalle QTc ≥ 500 ms, chez les patients montrant une suspicion de COVID-19 ou ayant la COVID-19 qui avaient été admis avant et après la mise en place de la TCC (groupe témoin. La surveillance en continu de l’intervalle QT est supérieure à la norme de soins dans la détection des épisodes de QTc long et exige peu d’ECG. La réponse clinique aux épisodes de QTc long est sous-optimale.. Exposure to a model wildfire air pollution source modifies cardiovascular responses to HC challenge, suggesting air pollution sensitizes the body to systemic triggers.. Though the majority of HIV-infected adults who were on HAART had shown viral suppression, the rate of suppression was sub-optimal according to the UNAIDS 90-90-90 target to help end the AIDS pandemic by 2020. Nonetheless, the rate of immunological recovery in the study cohort was low. Hence, early initiation of HAART should be strengthened to achieve good virological suppression and immunological recovery.. Dust in Egyptian laying hen houses contains high concentrations of microorganisms and endotoxins, which might impair the health of birds and farmers when inhaled. Furthermore, laying hens in Egypt seem to be a reservoir for ESBL-producing Enterobacteriaceae. Thus, farmers are at risk of exposure to ESBL-producing bacteria, and colonized hens might transmit these bacteria into the food chain.. The lack of significant differences in the absolute changes and relative ratios of injury and repair biomarkers by contrast-associated AKI status suggests that the majority of mild contrast-associated AKI cases may be driven by hemodynamic changes at the kidney.. Most comparisons for different outcomes are based on very few studies, mostly low-powered, with an overall low CoE. Thus, the available evidence is considered insufficient to either support or refute CH effectiveness or to recommend one ICM over another. Therefore, further well-designed, larger RCTs are required.. PROSPERO database Identifier: CRD42016041953.. Untouched root canal at cross-section perimeter, the Hero 642 system showed 41.44% ± 5.62% and Reciproc R40 58.67% ± 12.39% without contact with instruments. Regarding the untouched area, Hero 642 system showed 22.78% ± 6.42% and Reciproc R40 34.35% ± 8.52%. Neither instrument achieved complete cross-sectional root canal debridement. Hero 642 system rotary taper 0.02 instruments achieved significant greater wall contact perimeter and area compared to reciprocate the Reciproc R40 taper 0.06 instrument.. Hero 642 achieved higher wall contact perimeter and area but, regardless of instrument size and taper, vital pulp during. The functional properties of the main mechanisms involved in the control of muscle Ca. This study showed that the anti-inflammatory effect of the iron-responsive product DHA in arthritis can be monitored by an iron-like radioactive tracer (. Attenuated vascular reactivity during pregnancy suggests that the systemic vasodilatory state partially depletes nitric oxide bioavailability. Preliminary data support the potential for MRI to identify vascular dysfunction in vivo that underlies PE. Level of Evidence 2 Technical Efficacy Stage 1 J. MAGN. RESON. IMAGING 2021;53:447-455.. La evaluación de riesgo es importante para predecir los resultados postoperatorios en pacientes con cáncer gastroesofágico. Este estudio de cohortes tuvo como objetivo evaluar los cambios en la composición corporal durante la quimioterapia neoadyuvante e investigar su asociación con complicaciones postoperatorias. MÉTODOS: Los pacientes consecutivos con cáncer gastroesofágico sometidos a quimioterapia neoadyuvante y cirugía con intención curativa entre 2016 y 2019, identificados a partir de una base de datos específica, se incluyeron en el estudio. Se utilizaron las imágenes de tomografía computarizada, antes y después de la quimioterapia neoadyuvante, para evaluar el índice de masa muscular esquelética, la sarcopenia y el índice de grasa visceral y subcutánea.. In this in vitro premature infant lung model, HF oscillation of BCPAP was associated with improved CO. Our results showed that HPC significantly promotes neurogenesis after MCAO and ameliorates neuronal injury.. Inflammatory markers are highly related to signs of systemic hypoperfusion in CS. Moreover, high PCT and IL-6 levels are associated with poor prognosis.. These findings indicate that Tetrapleura tetraptera fruit has a protective potential against stroke through modulation of redox and electrolyte imbalances, and attenuation of neurotransmitter dysregulation and other neurochemical dysfunctions. Tetrapleura tetraptera fruit could be a promising source for the discovery of bioactives for stroke therapy.

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Apart from its main function in the mitochondria as a key element in electron transport, Coenzyme Q

Topics: Chronic Disease; Clinical Trials as Topic; Dietary Supplements; Humans; Oxidative Stress; Treatment Outcome; Ubiquinone

This review examines recent randomized clinical trials evaluating the role of coenzyme Q10 (CoQ10) in the management of coronary heart disease.. CoQ10 is one of the most commonly used dietary supplements in the USA. Due to its antioxidant and anti-inflammatory effects, CoQ10 has been studied extensively for possible use in managing coronary heart disease. One of the most common applications of CoQ10 is to mitigate statin-associated muscle symptoms (SAMS) based on the theory that SAMS are caused by statin depletion of CoQ10 in the muscle. Although previous studies of CoQ10 for SAMS have produced mixed results, CoQ10 appears to be safe. Because CoQ10 is a cofactor in the generation of adenosine triphosphate, supplementation has also recently been studied in patients with heart failure, which is inherently an energy deprived state. The Q-SYMBIO trial found that CoQ10 supplementation in patients with heart failure not only improved functional capacity, but also significantly reduced cardiovascular events and mortality. Despite these positive findings, a larger prospective trial is warranted to support routine use of CoQ10. Less impressive are the effects of CoQ10 on specific cardiovascular risk factors such as blood pressure, dyslipidemia, and glycemic control. Current evidence does not support routine use of CoQ10 in patients with coronary heart disease. Additional studies are warranted to fully determine the benefit of CoQ10 in patients with heart failure before including it in guideline-directed medical therapy.

Topics: Antioxidants; Blood Glucose; Cardiovascular Diseases; Chronic Disease; Coronary Disease; Diabetes Mellitus; Dietary Supplements; Dyslipidemias; Heart Failure; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Hypertension; Muscular Diseases; Randomized Controlled Trials as Topic; Risk Factors; Ubiquinone

Inflammation, as a critical factor, can cause numerous chronic diseases by creating various proinflammatory cytokines. Coenzyme Q10 (CoQ10) can potentially exert an anti-inflammatory agent; in turn, this agent can reduce the systemic inflammatory response. The aims of this study are to conduct a comprehensive systematic review and a meta-analysis for the determination of the CoQ10 efficacy on the changes in serum interleukin-6 (IL-6) and the tumour necrosis factor-α (TNF-α) levels in unhealthy subjects.. We will conduct an electronic search for articles published between January 1990 and January 2017 using a prespecified search strategy in MEDLINE, SCOPUS, EMBASE, CENTRAL and Web of Science.Our search will focus only on randomised controlled clinical trials in unhealthy subjects that employ either a parallel or a crossover design; this search will involve concurrent control groups. The primary outcomes of the literature are to determine the CoQ10 efficacy on the changes in the serum IL-6 and the TNF-α levels in unhealthy subjects. Secondary outcomes such as body mass index, serum adiponectin and high-sensitivity C-reactive protein levels, lipid profile and the heterogeneity assessment of the primary studies will be evaluated. The stages of screen articles, the extracts of relevant data and the assessment of study quality using the Cochrane risk of bias tool will be conducted independently by the two reviewers. Any disagreement will be resolved by discussion with a third person. If the number of eligible studies is sufficient, we will carry out a meta-analysis according to both outcomes.. This study is the protocol for a systematic review and no ethics approval is needed. The findings from the full systematic review will be published in a peer-reviewed journal, and they will also be exhibited at national/international academic and clinical conferences.. CRD42016052200.

Topics: Biomarkers; Chronic Disease; Dietary Supplements; Humans; Interleukin-6; Randomized Controlled Trials as Topic; Research Design; Systematic Reviews as Topic; Tumor Necrosis Factor-alpha; Ubiquinone

Many theories and clinical trials have attempted to address the effect of low-density lipoprotein (LDL) lowering in chronic congestive heart failure (CHF). The current evidence suggests that there is no convincing reason for administering statins to patients with nonischemic heart failure. Although they do not reduce the mortality rate, statins reduce LDL cholesterol and may provide some benefit to patients with ischemic heart failure. In contrast, some authors believe that statin therapy may actually worsen outcomes in patients with CHF, especially if there is excessive reduction in LDL cholesterol. This review discusses the theories attempting to link the adverse effects of statin-mediated LDL lowering in CHF to increased levels of endotoxin or reduced levels of coenzyme Q10. In addition, the 2 largest randomized, double-blind, placebo-controlled clinical trials (CORONA and GISSI-HF) were discussed. It is clear that more trials are needed to definitely ascertain the effect of statins on CHF.

Topics: Aged; Aged, 80 and over; Chronic Disease; Endotoxins; Female; Heart Failure; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Lipoproteins, LDL; Male; Randomized Controlled Trials as Topic; Survival Rate; Treatment Outcome; Ubiquinone

Chronic ataxias are an heterogeneous group of disorders that affect the child at different ages. Thus, the congenital forms, generally non progressive are observed from first months of life and are expressed by hypotonia and motor delay long before the ataxia became evident. The cerebral magnetic resonance images (MRI) may be diagnostic in some pictures like Joubert syndrome. The group of progressive hereditary ataxias, usually begin after the infant period. The clinical signs are gait instability and ocular apraxia that can be associated with oculocutaneous telangiectasias (ataxia-telangiesctasia) or with sensory neuropathy (Friedreich ataxia). In this review are briefly described congenital ataxias and in more detailed form the progressive hereditary ataxias autosomal recessive, autosomal dominants and mitochondrials. The importance of genetic study is emphasized, because it is the key to obtain the diagnosis in the majority of these diseases. Although now there are no treatments for the majority of progressive hereditary ataxias, some they have like Refsum disease, vitamine E deficiency, Coenzyme Q10 deficiency and others, thus the diagnosis in these cases is even more important. At present the diagnosis of childhood hereditary ataxia not yet treatable is fundamental to obtain suitable handling, determine a precise outcome and to give to the family an opportune genetic counseling.

Topics: Ataxia; Cerebellar Ataxia; Child; Chronic Disease; Female; Humans; Male; Mitochondrial Diseases; Muscle Weakness; Spinocerebellar Degenerations; Ubiquinone

Autosomal recessive cerebellar ataxias belong to a broader group of disorders known as inherited ataxias. In most cases onset occurs before the age of 20. These neurological disorders are characterized by degeneration or abnormal development of the cerebellum and spinal cord. Currently, specific treatment is only available for some of the chronic ataxias, more specifically those related to a known metabolic defect, such as abetalipoproteinemia, ataxia with vitamin E deficiency, and cerebrotendinous xanthomatosis. Treatment based on a diet with reduced intake of fat, supplementation of oral vitamins E and A, and the administration of chenodeoxycholic acid could modify the course of the disease. Although for most of autosomal recessive ataxias there is no definitive treatment, iron chelators and antioxidants have been proposed to reduce the mitochondrial iron overload in Friederich's ataxia patients. Corticosteroids have been used to reduce ataxia symptoms in ataxia telangiectasia. Coenzyme Q10 deficiency associated with ataxia may be responsive to Co Q10 or ubidecarenone supplementations. Early treatment of these disorders may be associated with a better drug response.

Topics: Adrenal Cortex Hormones; Ataxia; Cerebellar Ataxia; Chronic Disease; Frataxin; Friedreich Ataxia; Humans; Iron-Binding Proteins; Mitochondrial Diseases; Muscle Weakness; Ubiquinone; Vitamin E; Vitamin E Deficiency

Coenzyme Q10 (CoQ10) is an endogenous cofactor in the mitochondrial energy production. CoQ10 has been touted to improve heart failure, but its effect on systolic function is controversial. Several small, randomized controlled trials evaluating CoQ10 showed variable results and were largely underpowered. We conducted a meta-analysis of these trials to evaluate the impact of CoQ10 therapy on ejection fraction and cardiac output.. A systematic literature search was conducted to identify randomized, controlled trials of CoQ10 in heart failure between 1966 and June 2005. Subgroup analysis was conducted to assess clinical heterogeneity between trials. Of the 11 trials identified, 10 evaluated ejection fraction (n = 277) and 2 evaluated cardiac output (n = 42). Doses ranged from 60 to 200 mg/day with treatment periods ranging from 1 to 6 months. There was a 3.7% net improvement in ejection fraction (95% CI 1.59-5.77; P < .00001 for statistical heterogeneity). A more profound effect among patients not receiving angiotensin-converting enzyme inhibitors was observed (6.74% [95% CI 2.63-10.86]). Cardiac output increased an average of 0.28 L/minute (95% CI 0.03-0.53; P = .96 for statistical heterogeneity).. CoQ10 enhances systolic function in chronic heart failure, but its effectiveness may be reduced with concomitant use of current standard therapies.

Topics: Cardiac Output; Cardiac Output, Low; Chronic Disease; Coenzymes; Heart; Humans; Randomized Controlled Trials as Topic; Stroke Volume; Systole; Ubiquinone

Coenzyme Q10 (CoQ10) has a pathophysiologic role in many disease states. The purpose of this review is to provide recommendations regarding the safety, efficacy, and dosing of CoQ10 in the management of chronic heart failure (CHF), angina, and hypertension.. Literature pertaining to the safety and efficacy of CoQ10 specifically in cardiovascular indications was reviewed. We used relevant clinical trials, articles, reviews, and letters that were selected from a literature search of the MEDLINE database (1974-2000), Micromedex Healthcare Series, and the Natural Medicines Comprehensive Database.. Coenzyme Q10 administered orally has favorable actions in the described cardiovascular conditions and appears to be safe and well tolerated in the adult population. Issues concerning optimum target dosages, potential interactions, monitoring parameters, and the role of CoQ10 as a monotherapeutic agent need to be investigated further. Favorable effects of CoQ10 on ejection fraction, exercise tolerance, cardiac output, and stroke volume are demonstrated in the literature; thus, the use of CoQ10 as adjuvant therapy in patients with CHF may be supported.. Coenzyme Q10 therapy in angina and hypertension cannot be substantiated until additional clinical trials demonstrate consistent beneficial effects. However, CoQ10 may be recommended as adjuvant therapy in selected patients with CHE At this time, CoQ10 should not be recommended as monotherapy or first-line therapy in any disease state.

Topics: Angina, Unstable; Animals; Antioxidants; Chronic Disease; Clinical Trials as Topic; Coenzymes; Heart Failure; Humans; Hypertension; Ubiquinone

In recent years, there has been a tremendous expansion in medical and dental research concerned with free radicals, reactive oxygen species, and anti-oxidant defense mechanisms. This review is intended to provide a critical, up-to-date summary of the field, with particular emphasis on its implications for the application of "anti-oxidant therapy" in periodontal disease. We have reviewed the nomenclature, mechanisms of actions, features, and sources of most common free radicals and reactive oxygen species, as well as analyzed the typical biological targets for oxidative damage. Based on a review of direct and indirect anti-oxidant host defenses, particularly in relation to the key role of polymorphonuclear neutrophils in periodontitis, we review current evidence for oxidative damage in chronic inflammatory periodontal disease, and the possible therapeutic effects of anti-oxidants in treating and/or preventing such pathology, with special attention to vitamin E and Co-enzyme Q.

Topics: Antioxidants; Chronic Disease; Free Radicals; Humans; Neutrophils; Oxidative Stress; Periodontitis; Reactive Oxygen Species; Ubiquinone; Vitamin E

There are obviously several causes of myocardial dysfunction but energy deficiency of the myocytes may play a significant role and probably is a common mechanism during the progression of myocardial failure. Theoretically, a poor utilization efficiency of oxygen may be due to exhaustion of the myocardial stores of bioenergetics. In this report the authors review their biochemical results from measurements of coenzyme Q10 (CoQ10) levels in blood and human endomyocardial biopsies using an HPLC method from patients with suspected myocardial disease (n = 45). The levels of CoQ10, which has a key role in the respiratory chain and the synthesis of ATP, was found to be significantly decreased in various groups of patients with myocardial failure (dilated and restrictive cardiomyopathy and alcoholic heart disease) as compared to "normal" myocardium (0.42 +/- 0.04 micrograms/mg dry weight). The deficiency of CoQ10 was more pronounced with increasing symptoms; e.g. patients with dilated cardiomyopathy in NYHA Classes III and IV had lower tissue CoQ10 content than those of Classes I and II (0.28 +/- 0.04 vs. 0.37 +/- 0.06 micrograms/mg, p less than 0.001). Nearly two thirds of a series of 40 patients in severe heart failure (Classes III and IV) treated with CoQ10, 100 mg daily, in an open, controlled design showed subjective and objective improvement. Clinical responders were 69% and 43% of patients with cardiomyopathy and ischaemic heart disease, respectively. The results suggest that CoQ10 is a novel and effective breakthrough in heart-failure therapy and it appears safe, as no adverse reactions were registered. The through in heart-failure therapy and it appears safe, as no adverse reactions were registered.(ABSTRACT TRUNCATED AT 250 WORDS)

Topics: Chronic Disease; Coenzymes; Heart Failure; Humans; Ubiquinone

Unprecedented community containment measures were taken following the recent outbreak of COVID-19 in Italy. The aim of the study was to explore the self-reported future compliance of citizens with such measures and its relationship with potentially impactful psychological variables.. An online survey was completed by 931 people (18-76 years) distributed across the Italian territory. In addition to demographics, five dimensions were measured: self-reported compliance with containment measures over time (today, at 7, 14, 30, 60, 90, and 180 days from now) at three hypothetical risk levels (10, 50, 90% of likelihood of contracting the COVID-19), perceived risk, generalized anxiety, intolerance of uncertainty, and relevance of several psychological needs whose satisfaction is currently precluded.. The duration of containment measures plays a crucial role in tackling the spread of the disease as people will be less compliant over time. Psychological needs of citizens impacting on the compliance should be taken into account when planning an easing of the lockdown, along with interventions for protecting vulnerable groups from mental distress.. La apendicitis aguda (AA) es la urgencia quirúrgica abdominal más frecuente. No encontramos estudios específicos que evalúen el impacto de la pandemia causada por el coronavirus 2 (SARS-Cov-2) sobre la AA y su tratamiento quirúrgico. Analizamos la influencia de esta nueva patología sobre la AA.. Estudio observacional retrospectivo en pacientes intervenidos por AA desde enero hasta abril de 2020. Fueron clasificados según el momento de la apendicectomía, antes de la declaración del estado de alarma (Pre-COVID19) y después de la declaración del estado de alarma (Post-COVID19) en España. Se evaluaron variables demográficas, duración de la sintomatología, tipo de apendicitis, tiempo quirúrgico, estancia hospitalaria y complicaciones postoperatorias.. La pandemia por SARS-Cov-2 influye en el momento de diagnóstico de la apendicitis, así como en su grado de evolución y estancia hospitalaria. La peritonitis fue lo más frecuentemente observado. Una sospecha y orientación clínica más temprana, es necesaria para evitar un manejo inadecuado de este trastorno quirúrgico común.. The primary outcome is improvement in PaO. Findings will provide timely information on the safety, efficacy, and optimal dosing of t-PA to treat moderate/severe COVID-19-induced ARDS, which can be rapidly adapted to a phase III trial (NCT04357730; FDA IND 149634).. None.. The gut barrier is crucial in cirrhosis in preventing infection-causing bacteria that normally live in the gut from accessing the liver and other organs via the bloodstream. Herein, we characterised gut inflammation by measuring different markers in stool samples from patients at different stages of cirrhosis and comparing this to healthy people. These markers, when compared with equivalent markers usually measured in blood, were found to be very different in pattern and absolute levels, suggesting that there is significant gut inflammation in cirrhosis related to different immune system pathways to that seen outside of the gut. This provides new insights into gut-specific immune disturbances that predispose to complications of cirrhosis, and emphasises that a better understanding of the gut-liver axis is necessary to develop better targeted therapies.. La surveillance de l’intervalle QT a suscité beaucoup d’intérêt durant la pandémie de la COVID-19 en raison de l’utilisation de médicaments prolongeant l’intervalle QT et les préoccupations quant à la transmission virale par les électrocardiogrammes (ECG) en série. Nous avons posé l’hypothèse que la surveillance en continu de l’intervalle QT par télémétrie était associée à une meilleure détection des épisodes de prolongation de l’intervalle QT.. Nous avons introduit la télémétrie cardiaque en continu (TCC) à l’aide d’un algorithme de surveillance automatisée de l’intervalle QT dans nos unités de COVID-19. Les mesures automatisées quotidiennes de l’intervalle QT corrigé (auto-QTc) en fonction de la fréquence cardiaque maximale ont été enregistrées. Nous avons comparé la proportion des épisodes de prolongation marquée de l’intervalle QTc (QTc long), définie par un intervalle QTc ≥ 500 ms, chez les patients montrant une suspicion de COVID-19 ou ayant la COVID-19 qui avaient été admis avant et après la mise en place de la TCC (groupe témoin. La surveillance en continu de l’intervalle QT est supérieure à la norme de soins dans la détection des épisodes de QTc long et exige peu d’ECG. La réponse clinique aux épisodes de QTc long est sous-optimale.. Exposure to a model wildfire air pollution source modifies cardiovascular responses to HC challenge, suggesting air pollution sensitizes the body to systemic triggers.. Though the majority of HIV-infected adults who were on HAART had shown viral suppression, the rate of suppression was sub-optimal according to the UNAIDS 90-90-90 target to help end the AIDS pandemic by 2020. Nonetheless, the rate of immunological recovery in the study cohort was low. Hence, early initiation of HAART should be strengthened to achieve good virological suppression and immunological recovery.. Dust in Egyptian laying hen houses contains high concentrations of microorganisms and endotoxins, which might impair the health of birds and farmers when inhaled. Furthermore, laying hens in Egypt seem to be a reservoir for ESBL-producing Enterobacteriaceae. Thus, farmers are at risk of exposure to ESBL-producing bacteria, and colonized hens might transmit these bacteria into the food chain.. The lack of significant differences in the absolute changes and relative ratios of injury and repair biomarkers by contrast-associated AKI status suggests that the majority of mild contrast-associated AKI cases may be driven by hemodynamic changes at the kidney.. Most comparisons for different outcomes are based on very few studies, mostly low-powered, with an overall low CoE. Thus, the available evidence is considered insufficient to either support or refute CH effectiveness or to recommend one ICM over another. Therefore, further well-designed, larger RCTs are required.. PROSPERO database Identifier: CRD42016041953.. Untouched root canal at cross-section perimeter, the Hero 642 system showed 41.44% ± 5.62% and Reciproc R40 58.67% ± 12.39% without contact with instruments. Regarding the untouched area, Hero 642 system showed 22.78% ± 6.42% and Reciproc R40 34.35% ± 8.52%. Neither instrument achieved complete cross-sectional root canal debridement. Hero 642 system rotary taper 0.02 instruments achieved significant greater wall contact perimeter and area compared to reciprocate the Reciproc R40 taper 0.06 instrument.. Hero 642 achieved higher wall contact perimeter and area but, regardless of instrument size and taper, vital pulp during. The functional properties of the main mechanisms involved in the control of muscle Ca. This study showed that the anti-inflammatory effect of the iron-responsive product DHA in arthritis can be monitored by an iron-like radioactive tracer (. Attenuated vascular reactivity during pregnancy suggests that the systemic vasodilatory state partially depletes nitric oxide bioavailability. Preliminary data support the potential for MRI to identify vascular dysfunction in vivo that underlies PE. Level of Evidence 2 Technical Efficacy Stage 1 J. MAGN. RESON. IMAGING 2021;53:447-455.. La evaluación de riesgo es importante para predecir los resultados postoperatorios en pacientes con cáncer gastroesofágico. Este estudio de cohortes tuvo como objetivo evaluar los cambios en la composición corporal durante la quimioterapia neoadyuvante e investigar su asociación con complicaciones postoperatorias. MÉTODOS: Los pacientes consecutivos con cáncer gastroesofágico sometidos a quimioterapia neoadyuvante y cirugía con intención curativa entre 2016 y 2019, identificados a partir de una base de datos específica, se incluyeron en el estudio. Se utilizaron las imágenes de tomografía computarizada, antes y después de la quimioterapia neoadyuvante, para evaluar el índice de masa muscular esquelética, la sarcopenia y el índice de grasa visceral y subcutánea.. In this in vitro premature infant lung model, HF oscillation of BCPAP was associated with improved CO. Our results showed that HPC significantly promotes neurogenesis after MCAO and ameliorates neuronal injury.. Inflammatory markers are highly related to signs of systemic hypoperfusion in CS. Moreover, high PCT and IL-6 levels are associated with poor prognosis.. These findings indicate that Tetrapleura tetraptera fruit has a protective potential against stroke through modulation of redox and electrolyte imbalances, and attenuation of neurotransmitter dysregulation and other neurochemical dysfunctions. Tetrapleura tetraptera fruit could be a promising source for the discovery of bioactives for stroke therapy.

Topics: 3T3-L1 Cells; A Kinase Anchor Proteins; Acetates; Achilles Tendon; Acute Kidney Injury; Acute Pain; Acyclic Monoterpenes; Adenine Nucleotides; Adhesins, Escherichia coli; Adipocytes; Adipocytes, Brown; Adipogenesis; Administration, Inhalation; Administration, Oral; Adrenal Cortex Hormones; Adsorption; Adult; Aeromonas hydrophila; Africa; Aged; Aged, 80 and over; Agrobacterium tumefaciens; Air; Air Pollutants; Air Pollution; Air Pollution, Indoor; Algorithms; Alkaloids; Alkynes; Allosteric Regulation; Amines; Amino Acid Sequence; Amino Acids; Amino Acids, Branched-Chain; Aminoisobutyric Acids; Aminopyridines; Amyotrophic Lateral Sclerosis; Anaerobic Threshold; Angiography; Angiotensin II Type 1 Receptor Blockers; Angiotensin Receptor Antagonists; Angiotensin-Converting Enzyme Inhibitors; Animal Distribution; Animal Feed; Animal Nutritional Physiological Phenomena; Animals; Ankle Joint; Anti-Bacterial Agents; Anti-HIV Agents; Anti-Inflammatory Agents; Antibodies, Bacterial; Antifungal Agents; Antimalarials; Antineoplastic Agents; Antineoplastic Agents, Phytogenic; Antioxidants; Antiretroviral Therapy, Highly Active; Antiviral Agents; Aotidae; Apelin; Apoptosis; Arabidopsis Proteins; Argentina; Arginine; Artemisinins; Arthritis, Experimental; Arthritis, Rheumatoid; Arthroscopy; Aspergillus; Aspergillus niger; Asteraceae; Asthma; ATP Binding Cassette Transporter, Subfamily B, Member 1; ATP Binding Cassette Transporter, Subfamily G, Member 2; Auditory Cortex; Autoantibodies; Autophagy; Bacteria; Bacterial Infections; Bacterial Proteins; Bacterial Typing Techniques; Base Composition; Base Sequence; Basketball; Beclin-1; Benzhydryl Compounds; Benzimidazoles; Benzo(a)pyrene; Benzofurans; Benzoxazines; Bereavement; beta Catenin; beta-Lactamase Inhibitors; beta-Lactamases; beta-Lactams; Betacoronavirus; Betaine; Binding Sites; Biofilms; Biological Assay; Biological Availability; Biological Evolution; Biomarkers; Biomechanical Phenomena; Biopolymers; Biopsy; Bismuth; Blood Glucose; Blood Platelets; Blood Pressure; Body Composition; Body Weight; Bone Marrow; Bone Marrow Cells; Bone Regeneration; Boron; Botrytis; Brain Ischemia; Brain Neoplasms; Brain-Derived Neurotrophic Factor; Brazil; Breast Neoplasms; Breath Tests; Bronchoalveolar Lavage Fluid; Burkholderia; C-Reactive Protein; Caenorhabditis elegans; Caenorhabditis elegans Proteins; Calcification, Physiologic; Calcium; Calcium Signaling; Calorimetry, Differential Scanning; Cameroon; Camptothecin; Candida; Candida albicans; Capillaries; Carbapenem-Resistant Enterobacteriaceae; Carbapenems; Carbohydrate Conformation; Carbon; Carbon Dioxide; Carbon Isotopes; Carcinoma, Ovarian Epithelial; Cardiac Output; Cardiomyopathy, Hypertrophic; Cardiotonic Agents; Cardiovascular Diseases; Caregivers; Carps; Case-Control Studies; Catalase; Catalysis; Cats; CD4 Lymphocyte Count; Cell Culture Techniques; Cell Differentiation; Cell Line, Tumor; Cell Membrane; Cell Movement; Cell Proliferation; Cell Survival; Cells, Cultured; Cellulose; Centrosome; Ceratopogonidae; Chickens; Child; China; Cholera Toxin; Choline; Cholinesterases; Chromatography, High Pressure Liquid; Chromatography, Liquid; Chromatography, Micellar Electrokinetic Capillary; Chromatography, Reverse-Phase; Chronic Disease; Cinnamates; Cities; Citrates; Climate Change; Clinical Trials, Phase III as Topic; Coal; Coal Mining; Cohort Studies; Coinfection; Colchicine; Colony Count, Microbial; Colorectal Neoplasms; Coloring Agents; Common Cold; Complement Factor H; Computational Biology; Computer Simulation; Continuous Positive Airway Pressure; Contrast Media; Coordination Complexes; Coronary Artery Bypass; Coronavirus 3C Proteases; Coronavirus Infections; Coronavirus Protease Inhibitors; Corynebacterium glutamicum; Cosmetics; COVID-19; Creatinine; Cross-Sectional Studies; Crotonates; Crystallography, X-Ray; Cues; Culicidae; Culture Media; Curcuma; Cyclopentanes; Cyclopropanes; Cymbopogon; Cystine; Cytochrome P-450 CYP2B6; Cytochrome P-450 CYP2C19; Cytochrome P-450 CYP2C19 Inhibitors; Cytokines; Databases, Genetic; Death; Dendritic Cells; Density Functional Theory; Depsides; Diabetes Mellitus, Type 2; Diamond; Diarylheptanoids; Dibenzofurans; Dibenzofurans, Polychlorinated; Diclofenac; Diet; Dietary Carbohydrates; Dietary Supplements; Diffusion Magnetic Resonance Imaging; Dioxins; Diphenylamine; Disease Outbreaks; Disease Susceptibility; Disulfides; Dithiothreitol; Dizocilpine Maleate; DNA Methylation; DNA-Binding Proteins; DNA, Bacterial; Dogs; Dose-Response Relationship, Drug; Double-Blind Method; Doublecortin Protein; Drosophila melanogaster; Droughts; Drug Carriers; Drug Combinations; Drug Delivery Systems; Drug Liberation; Drug Resistance; Drug Resistance, Bacterial; Drug Resistance, Neoplasm; Drug Screening Assays, Antitumor; Dust; Dynactin Complex; Dysferlin; Echo-Planar Imaging; Echocardiography; Edaravone; Egypt; Elasticity; Electrodes; Electrolytes; Emodin; Emtricitabine; Endometriosis; Endothelium, Vascular; Endotoxins; Energy Metabolism; Energy Transfer; Enterobacteriaceae; Enterococcus faecalis; Enterotoxigenic Escherichia coli; Environmental Monitoring; Enzyme Inhibitors; Epidemiologic Factors; Epigenesis, Genetic; Erythrocytes; Escherichia coli; Escherichia coli Infections; Escherichia coli Vaccines; Esophageal Neoplasms; Esophagectomy; Esophagogastric Junction; Esterases; Esterification; Ethanol; Ethiopia; Ethnicity; Eucalyptus; Evidence-Based Practice; Exercise; Exercise Tolerance; Extracorporeal Membrane Oxygenation; Family; Fatty Acids; Feedback; Female; Ferric Compounds; Fibrin Fibrinogen Degradation Products; Filtration; Fish Diseases; Flavonoids; Flavonols; Fluorodeoxyglucose F18; Follow-Up Studies; Food Microbiology; Food Preservation; Forests; Fossils; Free Radical Scavengers; Freund's Adjuvant; Fruit; Fungi; Gallium; Gender Identity; Gene Expression Regulation; Gene Expression Regulation, Neoplastic; Gene Expression Regulation, Plant; Gene Knockdown Techniques; Genes, Bacterial; Genes, Plant; Genetic Predisposition to Disease; Genitalia; Genotype; Glomerulonephritis, IGA; Glottis; Glucocorticoids; Glucose; Glucuronides; Glutathione Transferase; Glycogen Synthase Kinase 3 beta; Gram-Negative Bacterial Infections; Gram-Positive Bacterial Infections; Grassland; Guinea Pigs; Half-Life; Head Kidney; Heart Atria; Heart Rate; Heart Septum; HEK293 Cells; Hematopoietic Stem Cells; Hemodynamics; Hep G2 Cells; Hepacivirus; Hepatitis C; Hepatitis C, Chronic; Hepatocytes; Hesperidin; High-Frequency Ventilation; High-Temperature Requirement A Serine Peptidase 1; Hippocampus; Hirudins; History, 20th Century; History, 21st Century; HIV Infections; Homeostasis; Hominidae; Housing, Animal; Humans; Hydrocarbons, Brominated; Hydrogen Bonding; Hydrogen Peroxide; Hydrogen-Ion Concentration; Hydroxybutyrates; Hydroxyl Radical; Hypertension; Hypothyroidism; Image Interpretation, Computer-Assisted; Immunoconjugates; Immunogenic Cell Death; Indoles; Infant, Newborn; Infant, Premature; Infarction, Middle Cerebral Artery; Inflammation; Inflammation Mediators; Infrared Rays; Inhibitory Concentration 50; Injections, Intravenous; Interferon-gamma; Interleukin-23; Interleukin-4; Interleukin-6; Intermediate Filaments; Intermittent Claudication; Intestine, Small; Iridoid Glucosides; Iridoids; Iron; Isomerism; Isotope Labeling; Isoxazoles; Itraconazole; Kelch-Like ECH-Associated Protein 1; Ketoprofen; Kidney Failure, Chronic; Kinetics; Klebsiella pneumoniae; Lactams, Macrocyclic; Lactobacillus; Lactulose; Lakes; Lamivudine; Laparoscopy; Laparotomy; Laryngoscopy; Leucine; Limit of Detection; Linear Models; Lipid A; Lipopolysaccharides; Listeria monocytogenes; Liver; Liver Cirrhosis; Logistic Models; Longitudinal Studies; Losartan; Low Back Pain; Lung; Lupinus; Lupus Erythematosus, Systemic; Machine Learning; Macular Degeneration; Madin Darby Canine Kidney Cells; Magnetic Phenomena; Magnetic Resonance Imaging; Magnetic Resonance Spectroscopy; Magnetics; Malaria, Falciparum; Male; Mannans; MAP Kinase Signaling System; Mass Spectrometry; Melatonin; Membrane Glycoproteins; Membrane Proteins; Meniscectomy; Menisci, Tibial; Mephenytoin; Mesenchymal Stem Cells; Metal Nanoparticles; Metal-Organic Frameworks; Methionine; Mice; Mice, Inbred C57BL; Mice, Knockout; Mice, Nude; Mice, Obese; Mice, Transgenic; Microbial Sensitivity Tests; Microcirculation; MicroRNAs; Microscopy, Video; Microtubules; Microvascular Density; Microwaves; Middle Aged; Minimally Invasive Surgical Procedures; Models, Animal; Models, Biological; Models, Molecular; Models, Theoretical; Molecular Docking Simulation; Molecular Structure; Molecular Weight; Morus; Mouth Floor; Multicenter Studies as Topic; Multiple Sclerosis; Multiple Sclerosis, Relapsing-Remitting; Muscle, Skeletal; Myocardial Ischemia; Myocardium; NAD; NADP; Nanocomposites; Nanoparticles; Naphthols; Nasal Lavage Fluid; Nasal Mucosa; Neisseria meningitidis; Neoadjuvant Therapy; Neoplasm Invasiveness; Neoplasm Recurrence, Local; Neoplasms, Experimental; Neural Stem Cells; Neuroblastoma; Neurofilament Proteins; Neurogenesis; Neurons; New York; NF-E2-Related Factor 2; NF-kappa B; Nicotine; Nitriles; Nitrogen; Nitrogen Fixation; North America; Observer Variation; Occupational Exposure; Ochrobactrum; Oils, Volatile; Olea; Oligosaccharides; Omeprazole; Open Field Test; Optimism; Oregon; Oryzias; Osmolar Concentration; Osteoarthritis; Osteoblasts; Osteogenesis; Ovarian Neoplasms; Ovariectomy; Oxadiazoles; Oxidation-Reduction; Oxidative Stress; Oxygen; Ozone; p38 Mitogen-Activated Protein Kinases; Pakistan; Pandemics; Particle Size; Particulate Matter; Patient-Centered Care; Pelargonium; Peptides; Perception; Peripheral Arterial Disease; Peroxides; Pets; Pharmaceutical Preparations; Pharmacogenetics; Phenobarbital; Phenols; Phenotype; Phosphates; Phosphatidylethanolamines; Phosphines; Phospholipids; Phosphorus; Phosphorylation; Photoacoustic Techniques; Photochemotherapy; Photosensitizing Agents; Phylogeny; Phytoestrogens; Pilot Projects; Plant Components, Aerial; Plant Extracts; Plant Immunity; Plant Leaves; Plant Oils; Plants, Medicinal; Plasmodium berghei; Plasmodium falciparum; Platelet Activation; Platelet Function Tests; Pneumonia, Viral; Poaceae; Pogostemon; Poloxamer; Poly I; Poly(ADP-ribose) Polymerase Inhibitors; Polychlorinated Biphenyls; Polychlorinated Dibenzodioxins; Polycyclic Compounds; Polyethylene Glycols; Polylysine; Polymorphism, Genetic; Polymorphism, Single Nucleotide; Population Dynamics; Portasystemic Shunt, Transjugular Intrahepatic; Positron Emission Tomography Computed Tomography; Postoperative Complications; Postprandial Period; Potassium Cyanide; Predictive Value of Tests; Prefrontal Cortex; Pregnancy; Prepulse Inhibition; Prevalence; Procalcitonin; Prodrugs; Prognosis; Progression-Free Survival; Proline; Proof of Concept Study; Prospective Studies; Protein Binding; Protein Conformation; Protein Domains; Protein Folding; Protein Multimerization; Protein Sorting Signals; Protein Structure, Secondary; Proton Pump Inhibitors; Protozoan Proteins; Psychometrics; Pulse Wave Analysis; Pyridines; Pyrrolidines; Quality of Life; Quantum Dots; Quinoxalines; Quorum Sensing; Radiopharmaceuticals; Rain; Random Allocation; Randomized Controlled Trials as Topic; Rats; Rats, Sprague-Dawley; Rats, Wistar; RAW 264.7 Cells; Reactive Oxygen Species; Receptor, Angiotensin, Type 1; Receptor, PAR-1; Receptors, CXCR4; Receptors, Estrogen; Receptors, Glucocorticoid; Receptors, Interleukin-1; Receptors, Interleukin-17; Receptors, Notch; Recombinant Fusion Proteins; Recombinant Proteins; Reducing Agents; Reflex, Startle; Regional Blood Flow; Regression Analysis; Reperfusion Injury; Reproducibility of Results; Republic of Korea; Respiratory Tract Diseases; Retrospective Studies; Reverse Transcriptase Inhibitors; Rhinitis, Allergic; Risk Assessment; Risk Factors; Rituximab; RNA, Messenger; RNA, Ribosomal, 16S; ROC Curve; Rosmarinic Acid; Running; Ruthenium; Rutin; Sarcolemma; Sarcoma; Sarcopenia; Sarcoplasmic Reticulum; SARS-CoV-2; Scavenger Receptors, Class A; Schools; Seasons; Seeds; Sequence Analysis, DNA; Severity of Illness Index; Sex Factors; Shock, Cardiogenic; Short Chain Dehydrogenase-Reductases; Signal Transduction; Silver; Singlet Oxygen; Sinusitis; Skin; Skin Absorption; Small Molecule Libraries; Smoke; Socioeconomic Factors; Soil; Soil Microbiology; Solid Phase Extraction; Solubility; Solvents; Spain; Spectrometry, Mass, Electrospray Ionization; Spectroscopy, Fourier Transform Infrared; Speech; Speech Perception; Spindle Poles; Spleen; Sporothrix; Staphylococcal Infections; Staphylococcus aureus; Stereoisomerism; Stomach Neoplasms; Stress, Physiological; Stroke Volume; Structure-Activity Relationship; Substrate Specificity; Sulfonamides; Surface Properties; Surface-Active Agents; Surveys and Questionnaires; Survival Rate; T-Lymphocytes, Cytotoxic; Tandem Mass Spectrometry; Temperature; Tenofovir; Terpenes; Tetracycline; Tetrapleura; Textiles; Thermodynamics; Thiobarbituric Acid Reactive Substances; Thrombin; Thyroid Hormones; Thyroid Neoplasms; Tibial Meniscus Injuries; Time Factors; Tissue Distribution; Titanium; Toluidines; Tomography, X-Ray Computed; Tooth; Tramadol; Transcription Factor AP-1; Transcription, Genetic; Transfection; Transgender Persons; Translations; Treatment Outcome; Triglycerides; Ubiquinone; Ubiquitin-Specific Proteases; United Kingdom; United States; Up-Regulation; Vascular Stiffness; Veins; Ventricular Remodeling; Viral Load; Virulence Factors; Virus Replication; Vitis; Voice; Voice Quality; Wastewater; Water; Water Pollutants, Chemical; Water-Electrolyte Balance; Weather; Wildfires; Wnt Signaling Pathway; Wound Healing; X-Ray Diffraction; Xenograft Model Antitumor Assays; Young Adult; Zoogloea

Im Rahmen der vorliegenden Studie sollte der Einfluss des Weichteilschadens auf das klinische Ergebnis nach offener Ellenbogenluxation untersucht werden.. Von Oktober 2008 bis August 2015 wurden insgesamt 230 Patienten mit Ellenbogenluxation behandelt. Diese retrospektive Studie umfasst 21 Fälle von offenen Ellenbogenluxationen. Das Durchschnittsalter der Patienten betrug 49 Jahre alt (20–83 Jahre), 6 Patienten waren weiblich (29%), 15 männlich (71%). Das Bewegungsausmaß des verletzten und unverletzten Ellenbogens wurde erhoben und das funktionelle Ergebnis u. a. mittels Mayo Elbow Performance Score (MEPS), Mayo Wrist Score (MWS) und dem Disability of Arm, Shoulder and Hand (DASH) Score erfasst. Zusätzlich wurden Komplikationen und Revisionsoperationen aufgezeichnet. Der Einfluss des Weichteilschadens (I°/II° offen vs. III° offen) und des Luxationstyps (einfach vs. komplex) auf das klinische Ergebnis wurde analysiert.. Offene Ellenbogenluxationen können mit einem zufriedenstellenden klinischen Ergebnis einhergehen. Insbesondere komplexe offene Ellenbogenluxationen sind jedoch sehr komplikationsbehaftet, wobei neurovaskuläre Komplikationen am häufigsten auftreten.. The current high rate of multidrug-resistant gram-negative bacteria infections among hospitalised patients with cUTIs in the studied area is alarming. Our predictive model could be useful to avoid inappropriate antibiotic treatment and implement antibiotic stewardship policies that enhance the use of carbapenem-sparing regimens in patients at low risk of multidrug-resistance.. The results indicated differential patterns of Inhibition of Return between the High and Low shape/weight based self-worth groups. The High group displayed increased inhibition of return for the shape/weight stimuli relative to control stimuli, while the Low group displayed reduced inhibition of return for the shape/weight stimuli compared to control stimuli. The ED group displayed a similar pattern of results to the High group, but this did not reach significance.. The current findings indicate that young women without an eating disorder who base their self-worth on shape/weight display a pattern of avoidance of shape/weight stimuli that is in direct contrast to those at low risk of developing eating disorders. The possible implications of these specific patterns of inhibition of return across those at varying levels of risk for an eating disorder are discussed along with their implications for intervention approaches.. These results indicated that Sr. An unusually high HbA

Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosphate; Adipose Tissue; Administration, Intravaginal; Adolescent; Adsorption; Adult; Adverse Childhood Experiences; Age Distribution; Age Factors; Aged; Aged, 80 and over; Air Pollution, Indoor; Aldehyde Oxidase; Alginates; Alloys; alpha-Globins; Aluminum Hydroxide; Alveolar Bone Loss; Anaerobiosis; Anesthesia, General; Anesthetics; Animals; Anovulation; Anti-Bacterial Agents; Anti-Infective Agents; Anti-Inflammatory Agents, Non-Steroidal; Antibodies, Monoclonal, Humanized; Antineoplastic Agents; Apoptosis; Bacillus cereus; Bacterial Typing Techniques; Bacteroidetes; Base Composition; Biocompatible Materials; Biofilms; Biological Availability; Biological Transport; Biosensing Techniques; Bipolar Disorder; Blood Glucose; Body Mass Index; Bone Regeneration; Boranes; Brachial Artery; Butyric Acid; Candida albicans; Carbon; Carcinoembryonic Antigen; Cell Differentiation; Cell Line, Tumor; Cell Respiration; Cell Survival; Cells, Cultured; Cerebrovascular Circulation; Charcoal; Child; Child Health; China; Chloride Channels; Chlorides; CHO Cells; Chromatography, Liquid; Chromatography, Micellar Electrokinetic Capillary; Chromium; Chronic Disease; Chronic Periodontitis; Circular Dichroism; Cities; Cohort Studies; Comamonadaceae; Comorbidity; Coronary Artery Disease; Corrosion; Cricetinae; Cricetulus; Cross Infection; Cross-Sectional Studies; Crowding; Culture Media; Cytokines; Diabetes Mellitus; Diabetes Mellitus, Type 2; Diabetes, Gestational; Diarylheptanoids; Diclofenac; Disability Evaluation; Diterpene Alkaloids; DNA; DNA Mutational Analysis; DNA, Bacterial; Drug Liberation; Drug Resistance, Multiple, Bacterial; Electrochemical Techniques; Electrodes; Electrolytes; Endothelium, Vascular; Enterococcus faecalis; Epithelial Cell Adhesion Molecule; Epithelial Cells; Erbium; Erythropoietin; Ethanol; Ethylenediamines; Fast Foods; Fatty Acids; Female; Fermentation; Ferric Compounds; Fibroblasts; Flavobacteriaceae; Fluorides; Fluorodeoxyglucose F18; Food Microbiology; Formaldehyde; Furaldehyde; Gamma Cameras; Gene Expression; Geologic Sediments; Glucose Tolerance Test; Glycated Hemoglobin; Glycolipids; Glycosylation; Gracilaria; Gram-Negative Bacteria; Gram-Negative Bacterial Infections; Guanine; Health Surveys; HeLa Cells; Hemoglobins, Abnormal; Hexosamines; High Fructose Corn Syrup; High-Intensity Interval Training; Hip Fractures; Hippocampus; HLA-B27 Antigen; Hospitalization; Housing; Humans; Hydrogen-Ion Concentration; Hydrolysis; Hydroxides; Hypercapnia; Hypertension; Hypocreales; Hypromellose Derivatives; Image Processing, Computer-Assisted; Incidence; Indole Alkaloids; Indonesia; Inflammation Mediators; Infrared Rays; Insulin Resistance; Intercalating Agents; Ion Transport; Ionophores; Japan; Kinetics; Kluyveromyces; Letrozole; Linear Models; Lipopolysaccharides; Liposomes; Liver; Lung Diseases; Magnesium Hydroxide; Magnetic Resonance Spectroscopy; Male; Membrane Glycoproteins; Membrane Transport Proteins; Mice, Inbred BALB C; Microbial Sensitivity Tests; Microbial Viability; Microscopy, Electron, Transmission; Middle Aged; Mitochondria; Mitochondria, Muscle; Molecular Docking Simulation; Molecular Structure; Muscle, Skeletal; Mutant Proteins; Mutation; Mutation, Missense; Nanocomposites; Nanoparticles; Neoplasm Recurrence, Local; Neoplastic Cells, Circulating; Nucleic Acid Hybridization; Obesity; Occupational Exposure; Oceans and Seas; Odds Ratio; Organometallic Compounds; Osteogenesis; Ovulation Induction; Oxidation-Reduction; Particle Size; Periodontal Ligament; Permeability; Phaseolus; Phenotype; Philippines; Phosphatidylethanolamines; Phospholipids; Photochemical Processes; Phylogeny; Pichia; Pigmentation; Plant Extracts; Polycystic Ovary Syndrome; Polysaccharides; Postprandial Period; Pregnancy; Pregnancy Rate; Prevalence; Product Surveillance, Postmarketing; Progesterone; Progestins; Protein Engineering; Pseudomonas aeruginosa; Psoriasis; Public Facilities; Rats; Rats, Wistar; Receptors, Thyrotropin; Recombinant Proteins; Reproducibility of Results; Republic of Korea; Retrospective Studies; Rhodobacteraceae; Risk; Risk Assessment; Risk Factors; RNA, Ribosomal, 16S; ROC Curve; Saccharomyces cerevisiae; Salinity; Saliva; Seawater; Seaweed; Sensitivity and Specificity; Sequence Analysis, DNA; Sex Factors; Silver Compounds; Smokers; Social Class; Socioeconomic Factors; Soil Microbiology; Solubility; Soy Foods; Spectrometry, Mass, Electrospray Ionization; Spondylitis, Ankylosing; Staphylococcus aureus; Static Electricity; Steroids; Strontium; Sucrose; Surface Properties; Survival Rate; Sweden; Swine; Synapses; Synchrotrons; Tandem Mass Spectrometry; Tannins; Tea; Temperature; Terpenes; Thalidomide; Thermodynamics; Thiadiazoles; Thyroid Cancer, Papillary; Thyroid Neoplasms; Thyroidectomy; Time Factors; Tissue Distribution; Titanium; Toilet Facilities; Tomography, Emission-Computed, Single-Photon; Treatment Outcome; Ubiquinone; Urinary Tract Infections; Vaginal Creams, Foams, and Jellies; Venezuela; Vitamin K 2; Waist Circumference; Waste Disposal, Fluid; Wastewater; Water Microbiology; Water Pollutants, Chemical; Whole Body Imaging; X-Ray Diffraction; Young Adult; Ytterbium; Yttrium; Yttrium Radioisotopes; Zinc Compounds

This study examined changes in toll-like receptor 4 (TLR-4)-expressing monocytes and lymphocyte subpopulations in response to continuous intensive exercise training in athletes, as well as the effect of coenzyme Q10 (CoQ10) supplementation on these changes. Eighteen male elite kendo athletes in Japan were randomly assigned to a CoQ10-supplementation group (n = 9) or a placebo-supplementation group (n = 9) using a double-blind method. Subjects in the CoQ10 group took 300 mg CoQ10 per day for 20 days. Subjects in the placebo group took the same dosage of placebo. All subjects practiced kendo 5.5 h per day for 6 consecutive days during the study period. Blood samples were collected 2 weeks before training, on the first day (day 1), third day (day 3), and fifth day of training (day 5), and 1 week after the training period (post-training) to ascertain TLR-4(+)/CD14(+) monocyte and lymphocyte subpopulations (CD3(+), CD4(+), CD8(+), CD28(+)/CD4(+), CD28(+)/CD8(+), and CD56(+)/CD3(-) cells) using flow cytometry analysis. The group × time interaction for TLR-4(+)/CD14(+) cells did not reach significance (p = 0.08). Within the CoQ10 group, the absolute number of TLR-4(+)/CD14(+) cells was significantly higher only at day 5. The placebo group showed a significant increase in the absolute number of TLR-4(+)/CD14(+) cells at day 3, day 5, and post-training (p < 0.05). There was no significant group × time interaction for any lymphocyte subpopulation. CD3(+), CD8(+), and CD56(+)/CD3(-) cells were significantly reduced at day 3 in both groups (p < 0.05). In conclusion, CoQ10 supplementation might downregulate the increase of TLR-4-expressing monocytes in response to continuous strenuous exercise training in kendo athletes.

Topics: Adipose Tissue; Athletes; Body Composition; Body Mass Index; Chronic Disease; Dietary Supplements; Double-Blind Method; Down-Regulation; Fatigue; Humans; Inflammation; Lymphocyte Subsets; Male; Martial Arts; Monocytes; Physical Endurance; Sports Nutritional Physiological Phenomena; Toll-Like Receptor 4; Ubiquinone; Young Adult

This randomized controlled multicenter trial evaluated coenzyme Q10 (CoQ10) as adjunctive treatment in chronic heart failure (HF).. CoQ10 is an essential cofactor for energy production and is also a powerful antioxidant. A low level of myocardial CoQ10 is related to the severity of HF. Previous randomized controlled trials of CoQ10 in HF were underpowered to address major clinical endpoints.. Patients with moderate to severe HF were randomly assigned in a 2-year prospective trial to either CoQ10 100 mg 3 times daily or placebo, in addition to standard therapy. The primary short-term endpoints at 16 weeks were changes in New York Heart Association (NYHA) functional classification, 6-min walk test, and levels of N-terminal pro-B type natriuretic peptide. The primary long-term endpoint at 2 years was composite major adverse cardiovascular events as determined by a time to first event analysis.. A total of 420 patients were enrolled. There were no significant changes in short-term endpoints. The primary long-term endpoint was reached by 15% of the patients in the CoQ10 group versus 26% in the placebo group (hazard ratio: 0.50; 95% confidence interval: 0.32 to 0.80; p = 0.003) by intention-to-treat analysis. The following secondary endpoints were significantly lower in the CoQ10 group compared with the placebo group: cardiovascular mortality (9% vs. 16%, p = 0.026), all-cause mortality (10% vs. 18%, p = 0.018), and incidence of hospital stays for HF (p = 0.033). In addition, a significant improvement of NYHA class was found in the CoQ10 group after 2 years (p = 0.028).. Long-term CoQ10 treatment of patients with chronic HF is safe, improves symptoms, and reduces major adverse cardiovascular events. (Coenzyme Q10 as adjunctive treatment of chronic heart failure: a randomised, double-blind, multicentre trial with focus on SYMptoms, BIomarker status [Brain-Natriuretic Peptide (BNP)], and long-term Outcome [hospitalisations/mortality]; ISRCTN94506234).

Topics: Biomarkers; Chronic Disease; Death, Sudden, Cardiac; Double-Blind Method; Female; Heart Failure; Hospitalization; Humans; Male; Middle Aged; Natriuretic Peptide, Brain; Peptide Fragments; Prospective Studies; Ubiquinone; Vitamins

Host defense and latency determinants in viral recurrent dermatologic infections are not entirely understood, as conventional protocols are inadequate to achieve fast healing and relapse prevention. Endogenously produced oxygen/nitrogen reactive species (ROS/RNS) are essential for antiviral immune defense, while their excess may aggravate skin inflammation. Here, we sought a nutritional approach capable of controlling ROS/RNS balance to accelerate recovery and inhibit recurrences of two mucocutaneous chronic DNA-virus infections.. Two controlled clinical trials evaluated the feasibility of ROS/RNS-modulating nutriceutical dosages of coenzyme Q(10), RRR-α-tocopherol, selenium aspartate, and L-methionine associated with established therapies. Clinical trial 1 evaluated 68 patients with relapsing human papillomavirus skin warts treated with cryotherapy followed by 180 d of nutriceutical/placebo administration. Clinical trial 2 compared the combination of acyclovir followed by 90 d of nutriceutical administration versus acyclovir alone in patients with recurrences of herpes simplex genitalis (n = 60) or herpes zoster (n = 29). Viral DNA levels were assessed by polymer chain reaction, biomarkers of antiviral defense (peroxynitrite and IFNα/γ) and antioxidant capacity (lipophilic antioxidants and glutathione) were assayed by biochemical/enzyme-linked immunosorbent assay techniques in blood fractions.. In both trials, the nutriceutical induced significantly faster healing (P < 0.01-0.05) with reduced incidence of relapses (P < 0.05) as compared to control groups, which was confirmed by decreased viral load and increased antiviral cytokine and peroxynitrite plasma levels. Plasma antioxidant capacity was higher (P < 0.01) in the experimental versus control groups.. Results document positive clinical outcomes of the selected nutriceutical associated with conventional protocols in the management of relapsing mucocutaneous human papillomavirus and herpes infections.

Topics: Acyclovir; Administration, Oral; Adult; alpha-Tocopherol; Alphapapillomavirus; Antioxidants; Antiviral Agents; Chronic Disease; Cryotherapy; Dietary Supplements; DNA Virus Infections; DNA, Viral; Double-Blind Method; Enzyme-Linked Immunosorbent Assay; Female; Herpes Genitalis; Herpes Zoster; Host-Pathogen Interactions; Humans; Male; Methionine; Middle Aged; Reactive Nitrogen Species; Reactive Oxygen Species; Recurrence; Selenium; Skin Diseases, Infectious; Ubiquinone; Viral Load; Vitamin E; Young Adult

Topics: Brachial Artery; Cardiovascular Agents; Chronic Disease; Dose-Response Relationship, Drug; Drug Therapy, Combination; Endothelium, Vascular; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Myocardial Ischemia; Treatment Outcome; Ubiquinone; Ultrasonography, Doppler, Pulsed; Vasodilation; Vitamins

Studies have suggested that micronutrient deficiency has some role in the progression of chronic heart failure (CHF).. Oral supplementation with coenzyme Q(10) (CoQ(10)) and creatine may reduce mitochondrial dysfunction that contributes to impaired physical performance in CHF.. We conducted a randomized, double-blind, placebo-controlled trial to determine the effect of a mixture of water-soluble CoQ(10) (CoQ(10) terclatrate; Q-ter) and creatine on exercise tolerance and health-related quality of life. Exercise tolerance was measured as total work capacity (kg·m) and peak oxygen consumption (VO(2), mL/min/kg), both from a cardiopulmonary exercise test. Health-related quality of life was measured by the Sickness Impact Profile (SIP) in CHF secondary to left ventricular systolic dysfunction (left ventricular ejection fraction ≤ 35%). After baseline assessment, 67 patients with stable CHF were randomized to receive Q-ter 320 mg + creatine 340 mg (n = 35) or placebo (n = 32) once daily for 8 weeks.. At multivariate analysis, 8-week peak VO(2) was significantly higher in the active treatment group than in the placebo group (+1.8 ± 0.9 mL/min/kg, 95% CI: 0.1-3.6, P < 0.05). No untoward effects occurred in either group.. This study suggests that oral Q-ter and creatine, added to conventional drug therapy, exert some beneficial effect on physical performance in stable systolic CHF. Results may support the design of larger studies aimed at assessing the long-term effects of this treatment on functional status and harder outcomes.

Topics: Administration, Oral; Aged; Chi-Square Distribution; Chronic Disease; Creatine; Deficiency Diseases; Dietary Supplements; Double-Blind Method; Drug Combinations; Exercise Test; Exercise Tolerance; Female; Heart Failure; Humans; Male; Medication Adherence; Oxygen Consumption; Placebo Effect; Quality of Life; Stroke Volume; Time Factors; Treatment Outcome; Ubiquinone; Ventricular Function, Left

To determine the short-term effects of coenzyme Q10 (CoQ10) on the antioxidative status and tinnitus expression in patients with chronic tinnitus aurium.. A 16-week prospective nonrandomized clinical trial (n = 20). Tinnitus and Short Form-36 Questionnaires (TQ/SF-36) were evaluated together with the plasma concentrations of CoQ10, malondialdehyde, and the total antioxidant status.. The mean plasma CoQ10 concentration rose under external CoQ10 supply and remained elevated after medication stopped without overall effects on the tinnitus score. However, in a subgroup of 7 patients with low initial plasma CoQ10 concentration and significant increase in the plasma CoQ10 level, a clear decrease in the TQ score was observed.. In patients with a low plasma CoQ10 concentration, CoQ10 supply may decrease the tinnitus expression.. This is the first study to examine the effect of CoQ10 in chronic tinnitus aurium.

Topics: Adult; Aged; Antioxidants; Chronic Disease; Coenzymes; Electron Transport Chain Complex Proteins; Female; Health Status Indicators; Humans; Male; Malondialdehyde; Middle Aged; Prospective Studies; Tinnitus; Ubiquinone

There is evidence that plasma coenzyme Q(10) (CoQ(10)) levels decrease in patients with advanced chronic heart failure (CHF). However, it is not known whether oral CoQ(10) supplementation may improve cardiocirculatory efficiency and endothelial function in patients with CHF.. We studied 23 patients in NYHA class II and III (20 men, three women, mean age 59+/-9 years) with stable CHF secondary to ischaemic heart disease [ejection fraction 37+/-7%], using a double-blind, placebo-controlled cross-over design. Patients were assigned to each of the following treatments: oral CoQ(10) (100 mg tid), CoQ(10) plus supervised exercise training (ET) (60% of peak VO(2), five times a week), placebo, and placebo plus ET. Each phase lasted 4 weeks. Both peak VO(2) and endothelium-dependent dilation of the brachial artery (EDDBA) improved significantly after CoQ(10) and after ET as compared with placebo. CoQ(10) main effect was: peak VO(2)+9%, EDDBA +38%, systolic wall thickening score index (SWTI) -12%; ET produced comparable effects. CoQ(10) supplementation resulted in a four-fold increase in plasma CoQ(10) level, whereas the combination with ET further increased it. No side effects were reported with CoQ(10).. Oral CoQ(10) improves functional capacity, endothelial function, and LV contractility in CHF without any side effects. The combination of CoQ(10) and ET resulted in higher plasma CoQ(10) levels and more pronounced effects on all the abovementioned parameters. However, significant synergistic effect of CoQ(10) with ET was observed only for peak SWTI suggesting that ET amplifies the already described effect of CoQ(10) on contractility of dysfunctional myocardium.

Topics: Chronic Disease; Coenzymes; Double-Blind Method; Exercise; Exercise Therapy; Female; Heart Failure; Humans; Male; Middle Aged; Ubiquinone

Although not currently indicated for chronic heart failure (CHF), statins have been associated with improved outcome in retrospective analysis. However, statin therapy reduces plasma levels of coenzyme Q(10) (ubiquinone), which may have adverse effects on heart failure states. We hypothesized that atorvastatin treatment improves endothelial function in patients with chronic heart failure independent of LDL-cholesterol alterations. Furthermore, we assessed how reductions in coenzyme Q(10) levels impact on potentially improved endothelial function. Twenty-four patients with stable, symptomatic heart failure (New York Heart Association Class II or III) and a left ventricular ejection fraction <40% were randomised to 40 mg atorvastatin or placebo for 6 weeks and crossed over to the other treatment arm for a further 6 weeks, after a 2-week wash out. Forearm resistance vessel function was assessed by venous occlusion plethysmography during infusion of acetylcholine (ACh), sodium nitroprusside (SNP), and N(G)-monomethyl-L-arginine (L-NMMA) into the brachial artery. Atorvastatin treatment lowered triglycerides, LDL-cholesterol and coenzyme Q(10) levels (all p<0.001) and improved endothelium-dependent vasodilatation during acetylcholine infusion (p=0.015). Endothelium-dependent forearm blood flow improvements correlated with reductions in coenzyme Q(10) levels (p=0.011), but not with LDL-cholesterol levels (p=0.084). Coenzyme Q(10) remained the significant variable predicting improvement in NO dependent endothelial function after adjusting for LDL-cholesterol levels (p=0.041). In conclusion, short-term atorvastatin therapy improved endothelial function in chronic heart failure patients. Further studies are required to determine whether coenzyme Q(10) reductions are limiting the maximum favourable effects of statin therapy on the microcirculation.

Topics: Atorvastatin; Chronic Disease; Coenzymes; Cross-Over Studies; Endothelium, Vascular; Heart Failure; Heptanoic Acids; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Pyrroles; Ubiquinone; Vascular Resistance; Vasodilation

There is evidence that plasma CoQ(10) levels decrease in patients with advanced chronic heart failure (CHF).. To investigate whether oral CoQ(10) supplementation could improve cardiocirculatory efficiency in patients with CHF.. We studied 21 patients in NYHA class II and III (18M, 3W, mean age 59 +/- 9 years) with stable CHF secondary to ischemic heart disease (ejection fraction 37 +/- 7%), using a double-blind, placebo-controlled cross-over design. Patients were assigned to oral CoQ(10) (100 mg tid) and to placebo for 4 weeks, respectively.. CoQ(10) supplementation resulted in a threefold increase in plasma CoQ(10) level (P < 0.0001 vs placebo). Systolic wall thickening score index (SWTI) was improved both at rest and peak dobutamine stress echo after CoQ(10) supplementation (+12.1 and 15.6%, respectively, P < 0.05 vs placebo). Left ventricular ejection fraction improved significantly also at peak dobutamine (15% from study entry P < 0.0001) in relation to a decrease in LV end-systolic volume index (from 57 +/- 7 mL/m(2) to 45 mL/m(2), P < 0.001). Improvement in the contractile response was more evident among initially akinetic (+33%) and hypokinetic (+25%) segments than dyskinetic ones (+6%). Improvement in SWTI was correlated with changes in plasma CoQ(10) levels (r = -0.52, P < 0.005). Peak VO(2) was also improved after CoQ(10) as compared with placebo (+13%, <0.005). No side effects were reported with CoQ(10).. Oral CoQ(10) improves LV contractility in CHF without any side effects. This improvement is associated with an enhanced functional capacity.

Topics: Aged; Cardiac Output, Low; Chronic Disease; Coenzymes; Exercise Test; Female; Humans; Male; Middle Aged; Myocardial Contraction; Ubiquinone; Ventricular Function, Left

To observe the clinical efficacy of TCM for reinforcing Shen and activating blood circulation to dredge Channels in auxiliary treating chronic aplastic anemia (CAA), and to explore its mechanism.. Seventy-nine patients with CAA were randomly divided into the treated group treated with TCM plus western medicine and the control group treated with western medicine alone. The clinical efficacy was observed and levels of plasma sFas and sFasL before and after treatment were determined by ELISA.. The basic cure rate and total effective rate in the treated group were 37.50% and 87.50%; while in the control group were 20. 51% and 61.54% respectively. Comparison between the two groups showed significant difference (P < 0.01). The sFas level was markedly lower in both groups before treatment, but after treatment, it got elevated in the treated group significantly (P < 0.05), as compared with that in the control group, the difference was significant (P < 0.01).. TCM is effective in treating CAA with less toxic and side-effect, the mechanism might be the inhibition on over apoptosis of hematopoietic cells in CAA patients through regulating immune function of organism.

Topics: Adolescent; Adult; Aged; Anemia, Aplastic; Apoptosis; Child; Chronic Disease; Drug Therapy, Combination; Drugs, Chinese Herbal; Female; Hematopoietic Stem Cells; Humans; Male; Middle Aged; Phytotherapy; Single-Blind Method; Ubiquinone

This study evaluated the effects of oral therapy with coenzyme Q on echocardiographic and hemodynamic indexes of left ventricular function and on quality of life in patients with chronic left ventricular dysfunction.. Coenzyme Q is a coenzyme for oxidative phosphorylation and an antioxidant and free radical scavenger. It has been claimed to improve symptoms, quality of life, left ventricular ejection fraction and prognosis in patients with cardiac failure.. Thirty patients with ischemic or idiopathic dilated cardiomyopathy and chronic left ventricular dysfunction (ejection fraction 26 +/- 6%) were randomized to a double-blind crossover trial of oral coenzyme Q versus placebo, each for 3 months. Right heart pressures, cardiac output and echocardiographic left ventricular volumes were measured at baseline and after each treatment phase, and quality of life was assessed using the Minnesota "Living With Heart Failure" questionnaire. It was calculated that to demonstrate an increase in left ventricular ejection fraction from 25% to 30% with a standard deviation of 5% using 95% confidence intervals with a power of 80% we would require 17 patients.. Twenty-seven completed both treatment phases. There was no significant difference in left ventricular ejection fraction, cardiac volumes or hemodynamic and quality of life indices after treatment with coenzyme Q or placebo, although plasma coenzyme Q levels increased from 903 +/- 345 nmol/l(-1) to 2,029 +/- 856 nmol/l(-1).. In patients with left ventricular dysfunction, treatment for three months with oral coenzyme Q failed to improve resting left ventricular systolic function or quality of life despite an increase in plasma levels of coenzyme Q to more than twice basal values.

Topics: Administration, Oral; Adult; Aged; Chronic Disease; Cross-Over Studies; Double-Blind Method; Echocardiography; Female; Heart Failure; Hemodynamics; Humans; Male; Middle Aged; Quality of Life; Stroke Volume; Treatment Failure; Ubiquinone; Ventricular Dysfunction, Left; Ventricular Function, Left

To explore the mechanism of integrated traditional Chinese and Western medicine (TCM-WM) therapy on chronic aplastic anemia (CAA).. The RBC life span of 30 normal human subjects and 30 patients with CAA were measured by 51Cr labelled technique before and after TCM-WM therapy. The morphology and distribution of RBC membrane protein granules were observed by freeze fracture etching and transmission electron microscope.. The half life of erythrocytes (RBC T1/2) was shortened in CAA cases and there was a significant difference compared to healthy control (P < 0.01). After therapy, the RBC life span prolonged and approached the normal level. Before treatment, there existed abnormal in morphology, decrease in amount and uneven in distribution of protein granules in protoplasmic face (PF) and extracellular face (EF) of RBC membrane. After treatment, the protein granules of RBC membrane was improved and approached to control.. The morphology, amount, quality and distribution of RBC membrane protein granule were closely related to its life span. The therapeutic effect of TCM-WM was better than that of WM alone and it had a function both in stabilizing membrane protein and extending the RBC life span.

Topics: Adolescent; Adult; Anemia, Aplastic; Antioxidants; Chronic Disease; Coenzymes; Drugs, Chinese Herbal; Erythrocyte Aging; Erythrocyte Membrane; Female; Humans; Male; Membrane Proteins; Middle Aged; Ubiquinone

Seventy-nine patients with stable chronic congestive heart failure were randomized into a double-blind, crossover placebo controlled study with 3-month treatment periods, where either 100 mg coenzyme Q10 (CoQ10) or placebo was added to conventional therapy. Mean patient age was 61 +/- 10 years, ejection fraction at rest was 22% +/- 10%, and maximal exercise tolerance was 91 +/- 30 W. The follow-up examinations included ejection fraction (primary objective), exercise test, and quality of life questions. Ejection fraction at rest, during a slight volume load, and during a submaximal supine exercise increased slightly compared with placebo: 24% +/- 12% versus 23% +/- 12% (NS), 25% +/- 13% versus 23% +/- 12% (P < .05), and 23% +/- 11% versus 22% +/- 11% (NS). Maximal exercise capacity increased from 94 +/- 31 W during the placebo period to 100 +/- 34 W during the CoQ10 period (P < .05). Total score for the quality of life assessment increased significantly from 107 +/- 23 during the placebo period to 113 +/- 22 during the CoQ10 period (P < .05). The results indicate that oral long-term treatment with 100 mg CoQ10 in patients with congestive heart failure only slightly improves maximal exercise capacity and the quality of life and that the clinical importance of this needs to be further evaluated.

Topics: Aged; Chronic Disease; Coenzymes; Cross-Over Studies; Double-Blind Method; Exercise Tolerance; Female; Heart Failure; Humans; Male; Middle Aged; Quality of Life; Stroke Volume; Ubiquinone

We compared the effect of oral administration of taurine (3 g/day) and coenzyme Q10 (CoQ10) (30 mg/day) in 17 patients with congestive heart failure secondary to ischemic or idiopathic dilated cardiomyopathy, whose ejection fraction assessed by echocardiography was less than 50%. The changes in echocardiographic parameters produced by 6 weeks of treatment were evaluated in a double-blind fashion. In the taurine-treated group significant treatment effect was observed on systolic left ventricular function after 6 weeks. Such an effect was not observed in the CoQ10-treated group.

Topics: Administration, Oral; Cardiomyopathy, Dilated; Chronic Disease; Coenzymes; Coronary Disease; Double-Blind Method; Drug Evaluation; Echocardiography; Female; Heart Failure; Humans; Male; Stroke Volume; Taurine; Ubiquinone; Ventricular Function, Left

Nineteen patients with chronic myocardial disease (NYHA Classes III and IV) were given Coenzyme Q10 in a controlled double-blind cross-over study. All had either low or borderline levels of CoQ10 in their blood, and showed a significant change into the normal range with oral CoQ10 replacement. Eighteen patients reported improvement in activity tolerance with replacement therapy. Combined clinical observations, stroke volume measured by impedance cardiography, and ejection fractions calculated from systolic time intervals, all showed significant improvement in parallel with CoQ10 administration. This application of the principles of bioenergetics introduces a promising new dimension to the study and treatment of the complex problem of myocardial failure.

Topics: Cardiomyopathies; Chronic Disease; Coenzymes; Double-Blind Method; Electrocardiography; Humans; Random Allocation; Stroke Volume; Ubiquinone

The effects of coenzyme Q10(CoQ10) on exercise performance were studied in 12 patients, average age 56 years, with stable angina pectoris. The study involved a double-blind, placebo-controlled, randomized, crossover protocol, using multistage treadmill exercise tests. CoQ10(150 mg/day in 3 daily doses) was administered orally for 4 weeks, tended to reduce anginal frequency from 5.3 +/- 4.9 to 2.5 +/- 3.3 attacks for 2 weeks and nitroglycerin consumption from 2.6 +/- 2.8 to 1.3 +/- 1.7 tablets for 2 weeks compared with patients receiving the placebo, but the reduction was not statistically significant. Exercise time increased from 345 +/- 102 seconds with placebo to 406 +/- 114 seconds during CoQ10 treatment (p less than 0.05). The time until 1 mm of ST-segment depression occurred increased from 196 +/- 76 seconds with placebo to 284 +/- 104 seconds during CoQ10 treatment (p less than 0.01). During the exercise test, ST-segment depression, heart rate and pressure-rate product at the same and at the maximal workload showed no significant difference between patients after placebo and CoQ10 administration. The average CoQ10 plasma concentration increased from 0.95 +/- 0.48 microgram/ml to 2.20 +/- 0.98 microgram/ml after CoQ10 treatment. This increase was significantly related to the increase in exercise duration (r = 0.68, p less than 0.001). Only 1 patient had a loss of appetite, but continued therapy. This study suggests that CoQ10 is a safe and promising treatment for angina pectoris.

Topics: Aged; Angina Pectoris; Chronic Disease; Coenzymes; Double-Blind Method; Electrocardiography; Exercise Test; Female; Hemodynamics; Humans; Male; Middle Aged; Nitroglycerin; Random Allocation; Rest; Ubiquinone

The ability to switch between different lifestyles allows bacterial pathogens to thrive in diverse ecological niches

Topics: Acute Disease; Anaerobiosis; Animals; Chronic Disease; Cystic Fibrosis; Genes, Bacterial; Humans; Oxygen; Pseudomonas aeruginosa; Pseudomonas Infections; RNA, Bacterial; Sepsis; Ubiquinone; Wounds and Injuries

Multiple Sclerosis (MS) is a chronic, progressive demyelinating disease of the central nervous system that causes the most disability in young people, besides trauma. Coenzyme Q10 (CoQ10)-also known as ubiquinone-is an endogenous lipid-soluble antioxidant in the mitochondrial oxidative respiratory chain which can reduce oxidative stress and inflammation, the processes associated with demyelination in MS. Cuprizone (CPZ) intoxication is a well-established model of inducing MS, best for studying demyelination-remyelination. In this study, we examined for the first time the role of CoQ10 in preventing demyelination and induction of remyelination in the chronic CPZ model of MS. 40 male mice were divided into four groups. 3 group chewed CPZ-containing food for 12 weeks to induce MS. After 4 weeks, one group were treated with CoQ10 (150 mg/kg/day) by daily gavage until the end of the experiment, while CPZ poisoning continued. At the end of 12 weeks, tail suspension test (TST) and open field test (OFT) was taken and animals were sacrificed to assess myelin basic protein (MBP), oligodendrocyte transcription factor-1 (Olig1), tumor necrosis factor-α (TNF-α) and interleukin 6 (IL-6) by real-time polymerase chain reaction (real-time PCR) and total antioxidant capacity (TAC) and superoxide dismutase (SOD) by Elisa test. Luxol fast blue (LFB) staining was used to evaluate histological changes. CoQ10 administration promoted remyelination in histological findings. MBP and Olig-1 expression were increased significantly in CoQ10 treated group compare to the CPZ-intoxicated group. CoQ10 treatment alleviated stress oxidative status induced by CPZ and dramatically suppress inflammatory biomarkers. CPZ ingestion made no significant difference between normal control group and the CPZ-intoxicated group in TST and OFT. CoQ10 can enhance remyelination in the CPZ model and potentially might have same effects in MS patients.

Topics: Animals; Behavior, Animal; Biomarkers; Chronic Disease; Corpus Callosum; Cuprizone; Cytokines; Demyelinating Diseases; Disease Models, Animal; Inflammation; Inflammation Mediators; Mice, Inbred C57BL; Multiple Sclerosis; Myelin Sheath; Oxidative Stress; Remyelination; Ubiquinone

Reactive oxygen species (ROS), mitochondrial dysfunction, and excessive vasoconstriction are important contributors to chronic hypoxia (CH)-induced neonatal pulmonary hypertension. On the basis of evidence that PKCβ and mitochondrial oxidative stress are involved in several cardiovascular and metabolic disorders, we hypothesized that PKCβ and mitochondrial ROS (mitoROS) signaling contribute to enhanced pulmonary vasoconstriction in neonatal rats exposed to CH. To test this hypothesis, we examined effects of the PKCβ inhibitor LY-333,531, the ROS scavenger 1-oxyl-2,2,6,6-tetramethyl-4-hydroxypiperidine (TEMPOL), and the mitochondrial antioxidants mitoquinone mesylate (MitoQ) and (2-(2,2,6,6-tetramethylpiperidin-1-oxyl-4-ylamino)-2-oxoethyl)triphenylphosphonium chloride (MitoTEMPO) on vasoconstrictor responses in saline

Topics: Animals; Animals, Newborn; Chronic Disease; Cyclic N-Oxides; Enzyme Inhibitors; Female; Free Radical Scavengers; Hypoxia; Indoles; Maleimides; Organophosphorus Compounds; Oxidative Stress; Pregnancy; Protein Kinase C beta; Pulmonary Artery; Pulmonary Circulation; Rats; Reactive Oxygen Species; Spin Labels; Ubiquinone; Vasoconstriction; Vasoconstrictor Agents

Leber's hereditary optic neuropathy (LHON) is a mitochondrial disease characterized by a subacute and progressive impairment and subsequent degeneration of retinal ganglion cells (RGCs). In most cases, it results in optic nerve atrophy and permanently reduced visual acuity (VA). Idebenone has recently been approved in Europe for treating LHON. However, published clinical data has only focused on efficacy in patients within the first years after disease onset. The present study is the first to evaluate possible effects of idebenone treatment in patients with LHON when initiated after more than 5 years from disease onset.. Oral treatment with idebenone 300 mg tid was started in seven patients 5 to 51 years after LHON onset. All patients had genetically confirmed primary LHON mutations (m11778G>A, m14484T>C, and m13051G>A). Visual function of all fourteen eyes was tested every 3 months using logarithmic reading charts and automated static threshold perimetry. The obtained clinical data were analyzed retrospectively using a multivariate analysis for VA and the Wilcoxon signed-rank test for visual field data.. Before treatment, VA was 0.78 ± 0.38 logMAR (range 0.24 to 1.50 logMAR). During the first year of therapy, VA improved significantly by an average of - 0.20 ± 0.10 logMAR or 10 ± 5 ETDRS letters (P = 0.002; VA range 0.06 to 1.30 logMAR). Seven of fourteen eyes showed an improvement of 2 or more lines. Visual field mean deviation increased from - 8.02 ± 6.11 to - 6.48 ± 5.26 dB after 12 months, but this change was not statistically significant (P = 0.056).. The increase in VA of patients who have had LHON for more than 5 years observed soon after start of treatment may not constitute a coincidental spontaneous recovery. We hypothesize that the treatment response in chronic LHON was the result of a reactivated signal transduction in surviving dysfunctional RGCs. The results of this study indicate a beneficial effect of idebenone on improvement of visual function in LHON patients with established optic atrophy.

Topics: Adult; Aged; Antioxidants; Chronic Disease; Follow-Up Studies; Forecasting; Humans; Male; Middle Aged; Optic Atrophy, Hereditary, Leber; Retinal Ganglion Cells; Retrospective Studies; Tomography, Optical Coherence; Treatment Outcome; Ubiquinone; Visual Acuity; Visual Fields; Young Adult

Topics: Chronic Disease; Heart Failure; Humans; Mitochondria, Heart; Oxidative Stress; Randomized Controlled Trials as Topic; Reactive Oxygen Species; Treatment Outcome; Ubiquinone

Oxidative stress and mitochondrial dysfunction appear to contribute to neurodegenerative processes during multiple sclerosis (MS). Thus, antioxidants may represent a therapeutic option for MS. The antioxidant idebenone was proven to be beneficial in Friedreich's ataxia and Leber's hereditary optic neuropathy, two disorders caused by mitochondrial alterations. Here we showed that idebenone protected neuronal HT22 cells from glutamate-induced death in vitro. However, in experimental autoimmune encephalomyelitis, idebenone failed to affect disease incidence or onset when applied preventively, or to reduce disease severity when applied therapeutically. Histopathological examination of CNS from idebenone treated mice showed no improvement in inflammation, demyelination, or axonal damage. Thus, we hypothesize that idebenone treatment will likely not benefit patients with MS.

Topics: Animals; Antioxidants; Chronic Disease; Disease Models, Animal; Encephalomyelitis, Autoimmune, Experimental; Female; Hippocampus; Inflammation; Mice; Mice, Inbred C57BL; Neurons; Severity of Illness Index; Ubiquinone

Chronic cerebral hypoperfusion (CCH) might account for the cognitive deficits associated with vascular cognitive impairment, but the mechanisms of hypoperfusion insulting to the cognition remain obscure. In the present study, Wistar rats underwent permanent occlusion of bilateral common carotid arteries to induce CCH. 2D-DIGE combined with MALDI-TOF MS was applied to determine the proteins that were differentially expressed in synaptosomes of prefrontal cortex and hippocampus. ATPsynβ, NDUFS1, UQCRC1 and Hsp70 were elevated both in synaptosomes of cortex and hippocampus at week 2 after operation, but subsided to baseline at week 4 except ATPsynβ which was still upregulated in synaptosomes of hippocampus at week 4. IDH3A and PDC-E2 were increased, respectively, in synaptosomes of prefrontal cortex and hippocampus at week 2, and showed no difference when compared to control at week 4. Malate dehydrogenase showed no difference in synaptosomes of prefrontal cortex and hippocampus at week 2, but showed an elevation in synaptosomes of prefrontal cortex at week 4. Our results imply that metabolic reserve and anti-oxidative stress might transiently exist in the early stage of CCH, which probably help cognitive save.

Topics: Analysis of Variance; Animals; Brain; Cerebrovascular Disorders; Chronic Disease; Cognition Disorders; Disease Models, Animal; Electron Transport Chain Complex Proteins; Electrophoresis, Gel, Two-Dimensional; HSP70 Heat-Shock Proteins; Malate Dehydrogenase; Male; Mitochondrial Proton-Translocating ATPases; NADH Dehydrogenase; Rats; Rats, Wistar; Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization; Synaptosomes; Ubiquinone

We investigated the protective effects of coenzyme Q10 on bladder dysfunction in a rat model of atherosclerosis induced chronic bladder ischemia.. A total of 24 male Sprague-Dawley® rats at age 16 weeks were divided into 4 groups of 6 each, including group 1--untreated, sham operated rats, group 2--coenzyme Q10 treated, sham operated rats, group 3--untreated rats with chronic bladder ischemia and group 4--coenzyme Q10 treated rats with chronic bladder ischemia. Groups 3 and 4 received an endothelial injury to the iliac arteries and were fed a 2% cholesterol diet for 8 weeks. Groups 2 and 4 were treated with coenzyme Q10 and the others were treated with vehicle for 4 weeks. Eight weeks postoperatively we performed continuous in vivo cystometry, an in vitro detrusor muscle strip study and a malondialdehyde assay. Histological examination of the bladder walls and iliac arteries was also done.. In vivo cystometry revealed that coenzyme Q10 administration after the induction of chronic bladder ischemia prolonged micturition frequency and the intercontraction interval, and increased bladder capacity compared to those in untreated rats with chronic bladder ischemia. In the detrusor muscle strip study coenzyme Q10 administration after the induction of chronic bladder ischemia increased contractile responses compared to those in untreated rats with chronic bladder ischemia. Rats with chronic bladder ischemia also showed higher malondialdehyde in bladder tissue and serum than the other groups. Chronic bladder ischemia induced submucosal fibrosis of the bladder walls and a degenerative change in the blood vessel tunical media, as shown on histological examination.. Our study suggests that coenzyme Q10 acts as an antioxidant to protect bladder function in this chronic bladder ischemia model.

Topics: Animals; Biopsy, Needle; Chronic Disease; Disease Models, Animal; Immunohistochemistry; Ischemia; Male; Malondialdehyde; Muscle Contraction; Oxidative Stress; Protective Agents; Random Allocation; Rats; Rats, Sprague-Dawley; Reference Values; Sensitivity and Specificity; Ubiquinone; Urinary Bladder; Urinary Bladder, Overactive; Urodynamics

Topics: Administration, Oral; Chronic Disease; Creatine; Deficiency Diseases; Dietary Supplements; Drug Combinations; Exercise Tolerance; Heart Failure; Humans; Oxygen Consumption; Quality of Life; Stroke Volume; Treatment Outcome; Ubiquinone; Ventricular Function, Left

It is known that oxidative stress and mitochondrial dysfunction both play an important role in animal models of brain ischemia. The present study was undertaken to test whether oral supplementation of coenzyme Q10 (ubiquinone) or creatine citrate could protect against brain ischemia-induced mitochondrial damage in the rats model. Brain ischemia was induced for 50 minutes with three-vessel occlusion (3-VO). Coenzyme Q10 was administered for 30 days before the ischemic event and coenzyme Q10 or creatine citrate for 30 days post-ischemia. Moreover, the concentrations of coenzyme Q10 and α-, γ- tocopherols as well as the formation of thiobarbituric acid reactive substances (TBARS) were measured in brain mitochondria and in plasma. Transient hypoperfusion revealed significant impairment in brain energy metabolism as detected by mitochondrial oxidative phosphorylation as well as decreased concentrations of brain and plasma endogenous antioxidants and increased formation of TBARS in plasma. When compared with the ischemic group, supplementation of coenzyme Q10 was ineffective as a preventive agent. However, the positive effect of therapeutic coenzyme Q10 supplementation was supported by the oxygen consumption values (p < 0.05) and ATP production (p < 0.05) in brain mitochondria, as well as by increased concentration of coenzyme Q9 (p < 0.05) and concentration of α-tocopherol (p < 0.05) in brain mitochondria and by increased concentration of α-tocopherol (p < 0.05) and γ-tocopherol in plasma. This suggests that coenzyme Q10 therapy involves resistance to oxidative stress and improved brain bioenergetics, when supplemented during reperfusion after ischemic brain injury.

Topics: Animals; Cerebral Cortex; Chronic Disease; Citrates; Creatine; Dietary Supplements; Disease Models, Animal; Energy Metabolism; Hypoxia-Ischemia, Brain; Male; Micronutrients; Oxidative Stress; Perfusion; Rats; Rats, Wistar; Ubiquinone

Topics: Brain Diseases, Metabolic; Chronic Disease; Disease Progression; DNA, Mitochondrial; Genetic Predisposition to Disease; Haplotypes; Humans; Migraine Disorders; Mitochondrial Diseases; Riboflavin; Thioctic Acid; Ubiquinone; Vitamin B Complex

Topics: Adult; Antioxidants; Chronic Disease; Drug Therapy, Combination; Female; Humans; Male; Middle Aged; Migraine Disorders; Treatment Outcome; Ubiquinone

Statins and coenzyme Q10 are both used as adjuncts in the treatment of chronic heart failure (CHF) due to their anti-inflammatory and antioxidant effects, respectively. And both have been variously shown to improve cardiac function in patients with CHF. The two agents interact in two ways; statins inhibit coenzyme Q10 synthesis through inhibition of HMG-CoA reductase, the rate limiting step in cholesterol synthesis, also shared by coenzyme Q10. Secondly, they both exhibit their antioxidant effects through activation of the enzyme superoxide dismutase, the rate limiting step in nitric oxide metabolism and main antioxidant mechanism of coenzyme Q10. We hypothesize that the interaction between statins and coenzyme Q10 is more than just a replacement, but a synergistic interaction on superoxide dismutase that could result in better cardiac function, improvement in patient symptoms, shortening of duration of hospital stay and improvement in patient quality of life.

Topics: Chemotherapy, Adjuvant; Chronic Disease; Drug Therapy, Combination; Heart Failure; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Models, Cardiovascular; Ubiquinone

There is now evidence that major depression is accompanied by an induction of inflammatory and oxidative and nitrosative stress (IO&NS) pathways and by a lowered antioxidant status. Coenzyme Q10 (CoQ10) is a strong antioxidant that has anti-inflammatory effects.. This paper examines the plasma concentrations of CoQ10 in 35 depressed patients and 22 normal volunteers and the relationships between plasma CoQ10 and treatment resistant depression (TRD), the severity of illness as measured by means of the Hamilton Depression Rating Scale (HDRS) and the presence of chronic fatigue syndrome (CFS).. We found that plasma CoQ10 was significantly (p=0.0002) lower in depressed patients than in normal controls. 51.4% of the depressed patients had plasma CoQ10 values that were lower than the lowest plasma CoQ10 value detected in the controls. Plasma CoQ10 was significantly lower in patients with TRD and with CFS than in the other depressed patients. There were no significant correlations between plasma CoQ10 and the HDRS.. The results show that lower CoQ10 plays a role in the pathophysiology of depression and in particular in TRD and CFS accompanying depression. It is suggested that depressed patients may benefit from CoQ10 supplementation. The findings that lower CoQ10 is a risk factor to coronary artery disease and chronic heart failure (CHF) and mortality due to CHF suggest that low CoQ10 is another factor explaining the risk to cardiovascular disorder in depression. Since statins significantly lower plasma CoQ10, depressed patients and in particular those with TRD and CFS represent populations at risk to statin treatment.

Topics: Adult; Antidepressive Agents; Biomarkers; Cardiovascular Diseases; Chronic Disease; Depressive Disorder, Major; Drug Resistance; Fatigue; Female; Humans; Male; Middle Aged; Oxidative Stress; Risk Factors; Ubiquinone; Vasculitis

The aim of this study was to investigate the relationship between plasma coenzyme Q(10) (CoQ(10)) and survival in patients with chronic heart failure (CHF).. Patients with CHF have low plasma concentrations of CoQ(10), an essential cofactor for mitochondrial electron transport and myocardial energy supply. Additionally, low plasma total cholesterol (TC) concentrations have been associated with higher mortality in heart failure. Plasma CoQ(10) is closely associated with low-density lipoprotein cholesterol (LDL-C), which might contribute to this association. Therefore we tested the hypothesis that plasma CoQ(10) is a predictor of total mortality in CHF and could explain this association.. Plasma samples from 236 patients admitted to the hospital with CHF, with a median (range) duration of follow-up of 2.69 (0.12 to 5.75) years, were assayed for LDL-C, TC, and total CoQ(10).. Median age at admission was 77 years. Median (range) CoQ(10) concentration was 0.68 (0.18 to 1.75) micromol/l. The optimal CoQ(10) concentration for prediction of mortality (established with receiver-operator characteristic [ROC] curves) was 0.73 micromol/l. Multivariable analysis allowing for effects of standard predictors of survival--including age at admission, gender, previous myocardial infarction, N-terminal peptide of B-type natriuretic peptide, and estimated glomerular filtration rate (modification of diet in renal disease)--indicated CoQ(10) was an independent predictor of survival, whether dichotomized at the ROC curve cut-point (hazard ratio [HR]: 2.0; 95% confidence interval [CI]: 1.2 to 3.3) or the median (HR: 1.6; 95% CI: 1.0 to 2.6).. Plasma CoQ(10) concentration was an independent predictor of mortality in this cohort. The CoQ(10) deficiency might be detrimental to the long-term prognosis of CHF, and there is a rationale for controlled intervention studies with CoQ(10).

Topics: Aged; Biomarkers; Cholesterol; Cholesterol, LDL; Chronic Disease; Female; Heart Failure; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Male; Multivariate Analysis; Predictive Value of Tests; Prognosis; Retrospective Studies; Risk Factors; ROC Curve; Ubiquinone

Sleep apnea associated with chronic intermittent hypoxia (IH) impairs hippocampal functions but the pathogenic mechanisms involving dysfunction of nitric oxide (NO) and ionic channels remain unclear. We examined the hypothesis that hippocampal NO deficit impairs the activity of large conductance calcium-activated potassium (BK) channels in rats with chronic IH, mimicking conditions in patients with sleep apnea. A patch-clamp study was performed on hippocampal CA1 neurons acutely dissociated from IH and control rats. The levels of endogenous NO and intracellular calcium in the CA1 region of the hippocampal slices were measured respectively by electrochemical microsensors and spectrofluorometry. We found that the open probability of BK channels remarkably decreased in the CA1 pyramidal neurons in a time-dependent manner with the IH treatment, without changes in the unitary conductance and reversal potential. NO donors, SNP or DETA/NO, significantly restored the activity of BK channels in the IH neurons, which was prevented by blockade of S-nitrosylation with NEM or MTSES but not by inhibition of the cGMP pathway with ODQ or 8-bromo-cGMP. Endogenous NO levels were substantially lowered in the IH hippocampus during resting and hypoxia. Also, the level of protein expression of neuronal NO synthase was markedly lessened in the IH neurons with decreased intracellular calcium response to hypoxia. Collectively, the results suggest that the IH-induced NO deficit mediated by a down-regulation of the expression of neuronal NO synthase plays a causative role in the impaired activity of BK channels, which could account for the hippocampal injury in patients with sleep apnea.

Topics: Animals; Calcium; Chronic Disease; Coenzymes; Hippocampus; Hypoxia; Large-Conductance Calcium-Activated Potassium Channels; Nitric Oxide; Nitric Oxide Donors; Nitric Oxide Synthase Type I; Oxidative Stress; Rats; Rats, Sprague-Dawley; Ubiquinone

Hydroxymethylglutaryl-coenzyme A reductase inhibitors (statins) are of proven clinical benefit in coronary heart disease, at least in those patients who do not have overt chronic heart failure (CHF). However, as there have been no prospective clinical trials of statins in CHF patients, the question arises as to whether the benefits observed in the absence of CHF can be necessarily inferred in those patients in whom CHF is established. In this review, the evidence base stating support of the use of statins in CHF is presented, as well as theoretical considerations as to why these agents may not necessarily be of benefit in this setting. The beneficial potential of statins clearly relates to their plaque stabilization properties and associated improvements in endothelial function, which together should reduce the risk of further infarction and, perhaps, the ischemic burden on the failing ventricle. Furthermore, these agents may have beneficial effects independent of lipid lowering. These include actions on neoangiogenesis, downregulation of AT(1) receptors, inhibition of proinflammatory cytokine activity and favorable modulation of the autonomic nervous system. The potential adverse effects of statins in CHF include reduction in levels of coenzyme Q10 (which may further exacerbate oxidative stress in CHF) and loss of the protection that lipoproteins may provide through binding and detoxifying endotoxins entering the circulation via the gut. In support of these possibilities are epidemiologic data linking a lower serum cholesterol with a poorer prognosis in CHF. These uncertainties indicate the need for a definitive outcome trial to assess the efficacy and safety of statins in CHF, despite their current widespread, non-evidence based use in this population.

Topics: Anticholesteremic Agents; Cholesterol; Chronic Disease; Heart Failure; Humans; Hydroxymethylglutaryl-CoA Reductase Inhibitors; Outcome Assessment, Health Care; Prospective Studies; Survival Rate; Ubiquinone

Oxidation stress and decreased antioxidative capacity participate in the progression and complications of renal diseases such as hyperlipoproteinemia or cardiovascular diseases. Many data have been collected on oxidation stress in dialysed patients, however a shortage of information is evident in conservatively treated patients.. To determine the blood and/or plasma levels of MDA and the selected antioxidants, i.e. Coenzyme Q10 (CoQ), alpha-tocoferol, beta-carotene in conservatively treated patients with kidney diseases.. Fifty five patients (45 with interstitial nephritis and 10 with glomerulonephritis) were included. They were divided into 3 subgroups on the basis of their clearance of creatinine (Ckr). Only validated methods have been exploited for the determination of variables.. MDA plasma levels were increased (5.37 +/- 0.10, reference range (rr.) < 4.5 mumol/l) with the highest levels in patients treated by immunosuppression. CoQ plasma (0.35 +/- 0.04, rr. 0.4-1.0 mumol/l) and blood (0.30 +/- 0.03 mol/l) were decreased, notably in patients with interstitial nephritis. No correlation with Ckr was apparent. alpha-tocopherol plasma levels (42.1 +/- 3.04, rr. 15-40 mumol/l) were increased, but the concentrations increased further with the decreasing kidney function. beta-carotene plasma (2.14 +/- 0.39, rr. > 0.8 mumol/l) were in reference range but decreased with the decrease of kidney function.. CoQ plasma levels are decreased and MDA levels increased in conservatively treated kidney disease patients even in just slightly decreased renal function. beta-carotene levels decrease only in advanced renal failure. These changes could participate in kidney disease progression and it is suggested that their correction opens the possibility of progression inhibition. (Tab. 3, Ref. 27.)

Topics: Adolescent; Adult; Aged; Antioxidants; beta Carotene; Chronic Disease; Glomerulonephritis; Humans; Immunosuppressive Agents; Malondialdehyde; Middle Aged; Nephritis, Interstitial; Ubiquinone; Vitamin E

To present a case of improvement of ocular motility in a patient with chronic progressive external ophthalmoplegia (CPEO) with Coenzyme Q10.. Coenzyme Q10 300 mg daily was given for three years with a three-day trial period of 200 mg daily after one year. Ocular ductions were measured by synoptophore.. Ocular ductions improved with treatment with Coenzyme Q10.. Coenzyme Q10, is effective in limiting the severity of ophthalmoplegia in this case.

Topics: Adult; Chronic Disease; Coenzymes; Dose-Response Relationship, Drug; Drug Administration Schedule; Eye Movements; Female; Humans; Kearns-Sayre Syndrome; Ophthalmoplegia; Ubiquinone

The effects of long-term treatment with coenzyme Q10 (CoQ10) on myocardial energy metabolism of rats with chronic heart failure (CHF) were examined. Left coronary artery ligation resulted in decreases in blood pressure, left ventricular developed pressure, the first derivative of left ventricular developed pressure, cardiac output and stroke volume indices and caused an increase in left ventricular end-diastolic pressure 12 weeks after the operation. Significant decreases in adenosine-5'-triphosphate, creatine phosphate, creatine and inorganic phosphate contents and the mitochondrial oxygen consumption rate of the viable left and right ventricles were detected in the CHF rat. Oral administration of 5 mg/kg/day CoQ10 for 12 weeks attenuated the changes in the first derivative of left ventricular developed pressure, cardiac output and stroke volume indices of the CHF rat but did not significantly improve the survival of CHF animals. The developed infarct area was approximately 40% of the whole left ventricle, irrespective of treatment with or without CoQ10. There was no reversal in the decreased myocardial CoQ9 and CoQ10 contents of the CHF rat after treatment with exogenous CoQ10. In the right ventricle of CoQ10-treated animals, a significant recovery of creatine, inorganic phosphate and mitochondrial oxygen consumption rate, and a small restoration of creatine phosphate but not of adenosine-5'-triphosphate, were observed, which suggests an appreciable recovery of energy-producing ability in the right ventricle. In contrast, a significant restoration of tissue creatine and inorganic phosphate, but not of other variables, was detected in the left ventricle.(ABSTRACT TRUNCATED AT 250 WORDS)

Topics: Animals; Cardiac Output, Low; Chronic Disease; Coenzymes; Energy Metabolism; Heart; Heart Ventricles; Hemodynamics; Male; Mitochondria, Heart; Myocardial Infarction; Myocardium; Organ Size; Oxygen Consumption; Rats; Rats, Wistar; Time Factors; Ubiquinone

Topics: Aged; Chronic Disease; Coenzymes; Female; Heart Diseases; Humans; Liver Diseases; Male; Middle Aged; Ubiquinone

Topics: Adult; Aged; Chronic Disease; Coenzymes; Female; Humans; Male; Middle Aged; Pulmonary Heart Disease; Ubiquinone