vitamin-k-semiquinone-radical and Malabsorption-Syndromes
vitamin-k-semiquinone-radical has been researched along with Malabsorption-Syndromes* in 38 studies
Reviews
6 review(s) available for vitamin-k-semiquinone-radical and Malabsorption-Syndromes
Article | Year |
---|---|
Vitamin K-what is known regarding bariatric surgery patients: a systematic review.
Vitamin K, a fat-soluble vitamin, is involved in blood coagulation, bone mineralization, inhibition of vascular calcification, and regulation of numerous enzyme systems. Patients who undergo bariatric surgery (BS), especially procedures that involve a malabsorptive component, are prone to develop vitamin K deficiency (VKD). The causes of VKD include decreased absorptive surface areas, steatorrhea, bacterial overgrowth, marked reduction of carriers of vitamin K, decrease in vitamin K intake, and modifications of gut microbiota. Data on vitamin K status among BS patients are scarce and the strength of evidence supporting vitamin K supplementation is weak. Thus, this systematic review summarized the scientific literature on vitamin K and examined the status among patients before and after BS, as well as among pregnant women with a history of BS. A MEDLINE/Pubmed and Embase electronic search was performed. After a thorough screening of 204 titles, 19 articles were selected by 2 independent reviewers. Five studies on BS candidates (n = 750), 12 studies after BS (n = 1442), and 4 studies on pregnant woman after BS (n = 83, of them n = 7 from case reports) were included. Results of the current review suggest that patients who undergo major malabsorptive surgeries are at a higher risk of developing VKD and should be better monitored. At this point, it is still unclear whether supplementation of vitamin K is required, and what oral dose or vitamer type should be used to normalize serum levels after different types of bariatric procedures. It should be noted that the current protocols for VKD treatment are still experiential in these patients. It is also unknown at what intervals screening tests for vitamin K should be performed and what assay is most appropriate for screening purposes. Future studies are needed to answer these unresolved issues. Topics: Adult; Aged; Bariatric Surgery; Female; Humans; Malabsorption Syndromes; Male; Middle Aged; Obesity, Morbid; Postoperative Complications; Pregnancy; Vitamin K; Vitamin K Deficiency; Young Adult | 2019 |
Intestinal absorption in health and disease: micronutrients.
The main theme of this chapter concerns the precise biochemical mechanisms involved in stages up to, and including, gastrointestinal absorption of vitamins and certain selected minerals. Essential data regarding sequential events, immediately following absorption of these micronutrients, are also included. There is reference to water-soluble vitamins that are, in general, either coenzymes in various metabolic reactions or carriers of certain biochemical groupings. In contrast, fat-soluble vitamins frequently function as integral components of cell membranes; they, too, receive ample attention. It is appropriate, nevertheless, to recognize that some minerals required in very small amounts are closely allied biochemically with particular vitamins; these specific associations are apportioned emphasis at relevant places in the text. Although predominant discussion centres on the physiological state, clinical reference is necessarily made to gastrointestinal disorders in which imbalance of vitamins and minerals consequently results in an additional detrimental impact on health. Topics: Ascorbic Acid; Calcium, Dietary; Chromium Compounds; Drug Interactions; Humans; Intestinal Absorption; Iron Compounds; Malabsorption Syndromes; Micronutrients; Selenium Compounds; Trace Elements; Vitamin A; Vitamin B Complex; Vitamin D; Vitamin E; Vitamin K; Vitamins; Zinc Compounds | 2003 |
Lipids and lipid-activated vitamins in chronic cholestatic diseases.
Primary biliary cirrhosis, primary sclerosing cholangitis and autoimmune cholangiopathy are cholestatic liver diseases of unknown cause. Destruction of small to medium bile ducts (in primary biliary cirrhosis and autoimmune cholangiopathy) and large bile ducts (in primary sclerosing cholangitis) leads to progressive cholestasis, liver failure and end-stage liver disease. A variety of abnormalities in lipid metabolism have been described in primary biliary cirrhosis, and range from alterations in serum lipid levels and lipoprotein subsets to deranged metabolism of cholesterol. Progressive cholestasis and, consequently, decreased small intestinal bile acid concentrations in these cholestatic liver disease can also lead to impaired absorption of fats and fat-soluble vitamins, resulting in steatorrhea and deficiencies in vitamins A, D, E, and K. This article focuses on abnormalities in lipid metabolism in primary biliary cirrhosis and primary sclerosing cholangitis, and on lipid-activated vitamin deficiencies in these disorders. Topics: Avitaminosis; Cholangitis, Sclerosing; Cholestasis; Chronic Disease; Fatty Liver; Humans; Lipid Metabolism; Liver Cirrhosis, Biliary; Malabsorption Syndromes; Vitamin A; Vitamin D; Vitamin E; Vitamin K; Vitamins | 1998 |
[Consequences of cholestasis from the hepatologist's viewpoint].
Chronic cholestasis is associated with a variety of symptoms and dysfunction of most organs. Among them, jaundice and pruritus are the first to be recognized, usually prompting the patients to see a physician. Besides the skin, however, cholestasis also affects, inter alia, the metabolism of plasma lipids and fat-soluble vitamins, as well as bone and liver. In the following article the pathogenesis and therapy of metabolic disturbances and organ dysfunctions occurring frequently in patients with chronic cholestasis are discussed. Topics: Bone Diseases, Metabolic; Cholestasis, Extrahepatic; Humans; Hyperlipidemias; Liver Cirrhosis; Malabsorption Syndromes; Pruritus; Vitamin D; Vitamin K | 1997 |
Interindividual differences in the response to oral anticoagulants.
Topics: Administration, Oral; Anticoagulants; Biological Availability; Coumarins; Humans; Kinetics; Liver Diseases; Malabsorption Syndromes; Pharmaceutical Preparations; Receptors, Drug; Vitamin K | 1977 |
Studies on the absorption and metabolism of phylloquinone (vitamin K1) in man.
Topics: Adult; Alkylation; Biological Transport; Celiac Disease; Cholestasis; Dietary Fats; Feces; Humans; Infant; Intestinal Absorption; Intestines; Lipid Metabolism; Malabsorption Syndromes; Oxides; Pancreatitis; Tritium; Vitamin K; Vitamin K 1; Warfarin | 1974 |
Other Studies
32 other study(ies) available for vitamin-k-semiquinone-radical and Malabsorption-Syndromes
Article | Year |
---|---|
Effect of Fat-Soluble Vitamins A, D, E and K on Vitamin Status and Metabolic Profile in Patients with Fat Malabsorption with and without Urolithiasis.
Patients with intestinal fat malabsorption and urolithiasis are particularly at risk of acquiring fat-soluble vitamin deficiencies. The aim of the study was to evaluate the vitamin status and metabolic profile before and after the supplementation of fat-soluble vitamins A, D, E and K (ADEK) in 51 patients with fat malabsorption due to different intestinal diseases both with and without urolithiasis. Anthropometric, clinical, blood and 24-h urinary parameters and dietary intake were assessed at baseline and after ADEK supplementation for two weeks. At baseline, serum aspartate aminotransferase (AST) activity was higher in stone formers (SF; Topics: Adult; Aged; Aspartate Aminotransferases; Cholesterol; Dietary Supplements; Female; Humans; Malabsorption Syndromes; Male; Middle Aged; Prospective Studies; Triglycerides; Urolithiasis; Vitamin A; Vitamin A Deficiency; Vitamin D; Vitamin D Deficiency; Vitamin E; Vitamin E Deficiency; Vitamin K; Vitamin K Deficiency; Vitamins | 2020 |
Pneumobilia, chronic diarrhea, vitamin K malabsorption: a pathognomonic triad for cholecystocolonic fistulas.
Cholecystocolonic fistula (CF) is an uncommon type of internal biliary-enteric fistulas, which comprise rare complications of cholelithiasis and acute cholecystitis, with a prevalence of about 2% of all biliary tree diseases. We report a case of a spontaneous CF in a 75-year-old diabetic male admitted to hospital for the investigation of chronic watery diarrhea and weight loss. Massive pneumobilia demonstrated on abdominal ultrasound and computerized tomography, along with chronic, bile acid-induced diarrhea and a prolonged prothrombin time due to vitamin K malabsorption, led to the clinical suspicion of the fistula. Despite further investigation with barium enema and magnetic resonance cholangio-pancreatography, diagnosis of the fistulous tract between the gallbladder and the hepatic flexure of the colon could not be established preoperatively. Open cholecystectomy with fistula resection and exploration of the common bile duct was the preferred treatment of choice, resulting in an excellent postoperative clinical course. The incidence of biliary-enteric fistulas is expected to increase due to the parallel increase of iatrogenic interventions to the biliary tree with the use of endoscopic retrograde cholangio-pancreatography and the increased rate of cholecystectomies performed. Taking into account that advanced imaging techniques fail to demonstrate the fistulas tract in half of the cases, and that CFs usually present with non-specific symptoms, our report could assist physicians to keep a high index of clinical suspicion for an early and valid diagnosis of a CF. Topics: Aged; Biliary Fistula; Biliary Tract; Cholangiopancreatography, Endoscopic Retrograde; Cholecystectomy; Diarrhea; Gastroenterology; Humans; Intestinal Fistula; Magnetic Resonance Imaging; Malabsorption Syndromes; Male; Vitamin K | 2009 |
Prevalence of vitamin K deficiency in children with mild to moderate chronic liver disease.
Children with chronic liver disease are at risk for vitamin K deficiency because of fat malabsorption and inadequate dietary intake. The objective of this study was to determine the prevalence of vitamin K deficiency in children with mild to moderate chronic cholestatic and noncholestatic liver disease.. Vitamin K status was examined in 43 children (0.25-15.9 years) with mild to moderate chronic cholestatic liver disease, 29 children (0.9-16.9 years) with chronic mild to moderate noncholestatic liver disease, and in 44 healthy children (1-18 years). Vitamin K status was assessed by the plasma PIVKA-II (protein induced in vitamin K absence) assay (enzyme-linked immunosorbent assay). Plasma PIVKA-II values greater than 3 ng/mL are indicative of vitamin K deficiency.. The mean plasma PIVKA-II (+/-SD) in cholestatic, noncholestatic, and healthy children was 61.9 +/-144, 1.2 +/- 3, and 2.1 +/- ng/mL, respectively (P < 0.002). Fifty-four percent of the children supplemented with vitamin K had plasma PIVKA-II greater than 3 ng/mL. Plasma conjugated bilirubin, total bile acids, and severity of liver disease were positively correlated with plasma PIVKA-II levels (P < 0.05).. Vitamin K deficiency is prevalent in children with mild to moderate chronic cholestatic liver disease, even with vitamin K supplementation. Elevated PIVKA-II levels occurred in children with a normal prothrombin, indicating that more sensitive markers of vitamin K status should be used in children with chronic liver disease. Vitamin K deficiency was related to degree of cholestasis and severity of liver disease in children. Children without cholestasis did not exhibit vitamin K deficiency. Topics: Adolescent; Case-Control Studies; Child; Child, Preschool; Cholestasis, Intrahepatic; Chronic Disease; Dietary Fats; Enzyme-Linked Immunosorbent Assay; Female; Humans; Infant; Liver Diseases; Malabsorption Syndromes; Male; Nutritional Status; Prevalence; Risk Factors; Severity of Illness Index; Vitamin K; Vitamin K Deficiency | 2006 |
The safety of mineral oil in the treatment of constipation--a lesson from prolonged overdose.
There have been concerns regarding the interference in the absorption of fat-soluble vitamins in long-term treatment with mineral oil; however, there is no clear evidence in the literature to support this claim. We present a case report illustrating the effect of prolonged (5 months) large doses of mineral oil on the fat-soluble vitamin absorption in a 17-year-old girl. Topics: Adolescent; Biomarkers; Chronic Disease; Constipation; Dose-Response Relationship, Drug; Drug Overdose; Emollients; Female; Humans; Malabsorption Syndromes; Mineral Oil; Polyethylene Glycols; Vitamin A; Vitamin D; Vitamin E; Vitamin K; Vitamins | 2006 |
Silent infection of Giardia lamblia causing bleeding through vitamin K malabsorption.
Topics: Animals; Anticoagulants; Diagnosis, Differential; Female; Giardia lamblia; Giardiasis; Hemorrhage; Humans; Malabsorption Syndromes; Middle Aged; Vitamin K; Warfarin | 2001 |
Vitamin K deficiency embryopathy: a phenocopy of the warfarin embryopathy due to a disorder of embryonic vitamin K metabolism.
Three unrelated infants presented with radiographic punctate calcifications, nasal hypoplasia, and abnormalities of the spine. Additional anomalies included cupped ears in 2 patients and one each with Dandy-Walker malformation with hydrocephaly, congenital cataracts, and peripheral pulmonary artery stenosis. The mothers of these 3 patients had chronic conditions associated with intestinal malabsorption requiring total parenteral nutrition for varying periods of time. The underlying causes of malabsorption were celiac disease, short bowel syndrome secondary to surgical resection, and jejuno-ileal bypass, respectively. Bleeding diathesis occurred in one mother requiring vitamin K supplementation during the second and third trimesters of pregnancy. We speculate that the chondrodysplasia punctata and other abnormalities in these children were caused by an acquired maternal vitamin K deficiency manifested during early pregnancy. However, the involvement of other vitamin deficiencies cannot be excluded. Thus, vitamin K deficiency of the embryo secondary to maternal malabsorption appears to be a third vitamin K-related mechanism leading to chondrodysplasia punctata in addition to warfarin embryopathy and epoxide reductase deficiency (pseudo-warfarin embryopathy). Topics: Abnormalities, Drug-Induced; Anticoagulants; Child, Preschool; Chondrodysplasia Punctata; Female; Fetal Diseases; Humans; Infant; Infant, Newborn; Magnetic Resonance Imaging; Malabsorption Syndromes; Pregnancy; Pregnancy Complications; Radiography; Vitamin K; Vitamin K Deficiency; Warfarin | 1997 |
Hemorrhage and shock due to intestinal malabsorption.
Topics: Blood Coagulation Tests; Blood Transfusion; Gastrointestinal Hemorrhage; Humans; Infant; Lymphangiectasis, Intestinal; Malabsorption Syndromes; Male; Protein-Losing Enteropathies; Shock, Hemorrhagic; Vitamin K; Vitamin K Deficiency | 1986 |
[Disorders of coagulation in children with malabsorption].
Topics: Adolescent; Blood Coagulation Disorders; Child, Preschool; Female; Humans; Malabsorption Syndromes; Vitamin K; Vitamin K Deficiency | 1986 |
[A case of nodular purpura in an infant].
Topics: Blood Coagulation Disorders; Diarrhea, Infantile; Female; Humans; Infant; Malabsorption Syndromes; Purpura; Vitamin K; Vitamin K Deficiency | 1977 |
[Absorption and malabsorption of vitamins (author's transl)].
Vitamins are absorbed by different mechanisms ranging from simple diffusion for most of the water soluble vitamins to more complex processes in the case of vitamin B12, folate, and the fat soluble vitamins. These processes are discussed. Malabsorptive disorders result in significant deficiency of only these latter vitamins which require specialized digestive or transport mechanisms. The underlying disease also determines which, if any, deficiency is likely to occur. The effects of different types of pancreatic, biliary, and intestinal disease on vitamin absorption are discussed. Topics: Avitaminosis; Folic Acid; Humans; Intestinal Absorption; Intestinal Diseases; Malabsorption Syndromes; Vitamin A; Vitamin B 12; Vitamin D; Vitamin K; Vitamins | 1977 |
[Celiac disease and malabsorption of vitamin K with severe gastrointestinal hemorrhage].
Topics: Celiac Disease; Female; Gastrointestinal Hemorrhage; Humans; Intestine, Small; Malabsorption Syndromes; Middle Aged; Vitamin K | 1976 |
Bleeding, salicylates, and prolonged prothrombin time: three case reports and a review of the literature.
Fourteen cases of ASA induced hypoprothrombinemic bleeding, including three patients reported by the authors, are reviewed. Predisposing factors toward bleeding include malnutrition and malabsorption syndrome. Although the bleeding is usually benign, it may be serious on occasion. The importance of this rarely considered cause of ASA associated bleeding lies in the fact that it is readily corrected with Vitamin K. Topics: Adult; Aged; Arthritis, Rheumatoid; Aspirin; Epistaxis; Female; Humans; Hypoprothrombinemias; Malabsorption Syndromes; Male; Middle Aged; Nutrition Disorders; Vitamin K | 1976 |
Vitamin K deficiency-revisited.
Topics: Adolescent; Anticonvulsants; Child; Child, Preschool; Chronic Disease; Diarrhea, Infantile; Female; Gastrointestinal Hemorrhage; Hemorrhagic Disorders; Humans; Infant; Infant, Newborn; Malabsorption Syndromes; Male; Maternal-Fetal Exchange; Pregnancy; Vitamin K; Vitamin K Deficiency; Vitamin K Deficiency Bleeding | 1975 |
Vitamins E and K.
Topics: Adult; Anemia, Macrocytic; Animals; Child; Cholestasis; Humans; Hypoprothrombinemias; Infant; Infant, Newborn; Infant, Newborn, Diseases; Infant, Premature, Diseases; Malabsorption Syndromes; Male; Protein-Energy Malnutrition; Vitamin E; Vitamin E Deficiency; Vitamin K; Vitamin K Deficiency | 1975 |
Bleeding disorder in an infant associated with anicteric hepatitis. Acquired prothrombin deficiency.
Topics: Biopsy, Needle; Blood Coagulation Disorders; Hemorrhagic Disorders; Hepatitis; Humans; Hypoprothrombinemias; Infant; Infusions, Parenteral; Iron; Liver Function Tests; Malabsorption Syndromes; Male; Prothrombin Time; Thromboplastin; Vitamin K; Vitamin K Deficiency | 1974 |
The management of patients with diarrhoea resulting from ileal dysfunction.
Topics: Aged; Cholelithiasis; Crohn Disease; Diarrhea; Female; Gastrointestinal Agents; Humans; Ileum; Ischemia; Kidney Calculi; Lignin; Malabsorption Syndromes; Male; Mesentery; Middle Aged; Postoperative Complications; Preoperative Care; Vitamin A; Vitamin B 12; Vitamin D; Vitamin K | 1973 |
A case of iatrogenic choledochocolic fistula with malabsorption.
Topics: Biliary Fistula; Colonic Diseases; Feces; Humans; Intestinal Fistula; Lipid Metabolism; Malabsorption Syndromes; Male; Middle Aged; Postoperative Complications; Vitamin K; Vitamin K Deficiency | 1972 |
Hemorrhagic diathesis and cystic fibrosis in infancy.
Topics: Cystic Fibrosis; Diet; Female; Hemoglobins; Hemorrhagic Disorders; Humans; Hypoprothrombinemias; Infant; Malabsorption Syndromes; Male; Prothrombin Time; Vitamin K; Vitamin K Deficiency | 1972 |
American Academy of Pediatrics. Committee statement, Committee on Nutrition. Vitamin K supplementation for infants receiving milk substitute infant formulas and for those with fat malabsorption.
Topics: Animals; Caseins; Diet Therapy; Food; Humans; Infant; Infant Food; Infant Nutrition Disorders; Infant Nutritional Physiological Phenomena; Malabsorption Syndromes; Meat; Milk; Nutritional Requirements; Vitamin K; Vitamin K Deficiency | 1971 |
Vitamin K deficiency in the elderly.
Topics: Age Factors; Aged; Anemia; Anti-Bacterial Agents; Anticoagulants; Blood Coagulation Disorders; Blood Coagulation Tests; Ecchymosis; Female; Hematuria; Humans; Liver Diseases; Malabsorption Syndromes; Male; Middle Aged; Vitamin K; Vitamin K Deficiency | 1970 |
[Dwarfism in celiac disease].
Topics: Adolescent; Adult; Body Height; Body Weight; Calcium; Celiac Disease; Diet Therapy; Dwarfism; Female; Folic Acid; Humans; Iron; Malabsorption Syndromes; Radiography; Vitamin K | 1969 |
Vitamin K.
Topics: Adult; Anticoagulants; Biliary Tract Diseases; Humans; Hypoprothrombinemias; Infant, Newborn; Liver Diseases; Malabsorption Syndromes; Vitamin K; Vitamin K Deficiency Bleeding | 1969 |
Assessment of absorption from small bowel.
Topics: Anemia, Hypochromic; Avitaminosis; Body Weight; Carbohydrate Metabolism; Diarrhea; Disaccharides; Edema; Feces; Folic Acid; Glucose; Humans; Hypocalcemia; Hypokalemia; Hypoproteinemia; Intestinal Absorption; Intestine, Small; Iron; Malabsorption Syndromes; Vitamin A; Vitamin B 12; Vitamin K; Xylose | 1968 |
Hereditary recurrent intrahepatic cholestasis from birth.
Topics: Adult; Age Factors; Alkaline Phosphatase; Body Height; Child; Child, Preschool; Cholestasis; Consanguinity; Edema; Fats; Feces; Female; Hemorrhage; Heterozygote; Humans; Hyperbilirubinemia; Hyperlipidemias; Infant; Infant, Newborn; Liver; Malabsorption Syndromes; Male; Metabolism, Inborn Errors; Pedigree; Pruritus; Tooth Discoloration; Transaminases; Vitamin K | 1968 |
The clinical and metabolic consequences of total gastrectomy. 3. Notes on metabolic functions, deficiency states, changes in intestinal histology, and radiology.
Topics: Ascorbic Acid; Blood Glucose; Blood Proteins; Bone Diseases; Celiac Disease; Cholesterol; Esophageal Diseases; Fats; Feces; Female; Gastrectomy; Gastrointestinal Motility; Glucose Tolerance Test; Hemostasis; Humans; Intestinal Absorption; Iodine; Jejunum; Malabsorption Syndromes; Male; Nitrogen; Radiography; Vitamin A Deficiency; Vitamin K; Water-Electrolyte Balance; Xylose | 1968 |
The haemorrhagic syndrome of early childhood.
Topics: Blood Coagulation Factors; Blood Coagulation Tests; Female; Hematoma, Subdural; Hemorrhagic Disorders; Humans; Infant; Infant, Newborn; Malabsorption Syndromes; Male; Prothrombin; Vitamin K; Vitamin K Deficiency Bleeding | 1967 |
[Polyneuropathy as late and early complication of malabsorption syndrome].
Topics: Folic Acid; Humans; Malabsorption Syndromes; Polyneuropathies; Riboflavin; Vitamin A; Vitamin B 12; Vitamin B Complex; Vitamin D; Vitamin K | 1967 |
Systemic manifestations of gluten enteropathy.
Topics: Anemia; Celiac Disease; Diet Therapy; Dwarfism; Edema; Glutens; Humans; Hypocalcemia; Hypokalemia; Hypoproteinemia; Hypoprothrombinemias; Kidney Diseases; Malabsorption Syndromes; Osteomalacia; Vitamin K | 1966 |
Gluten enteropathy and skeletal disease.
Topics: Alkaline Phosphatase; Biopsy; Blood; Blood Protein Disorders; Bone Diseases; Calcium Metabolism Disorders; Carbohydrate Metabolism; Folic Acid; Glutens; Humans; Hypocalcemia; In Vitro Techniques; Iron; Lipid Metabolism; Malabsorption Syndromes; Osteomalacia; Proteins; Radiography; Urine; Vitamin D; Vitamin K | 1966 |
MALABSORPTION SYNDROME SECONDARY TO JEJUNAL STENOSIS AND INCOMPLETE ROTATION OF THE COLON.
Topics: Barium Sulfate; Celiac Disease; Colonic Diseases; Congenital Abnormalities; Constriction, Pathologic; Dietary Fats; Ecchymosis; Glucose Tolerance Test; Humans; Infant; Intestinal Obstruction; Jejunum; Malabsorption Syndromes; Pathology; Rotation; Surgical Procedures, Operative; Vitamin A; Vitamin K; Xylose | 1964 |
MALABSORPTION SYNDROME AND PERIPHERAL NEUROPATHY. REPORT OF TWO CASES.
Topics: Celiac Disease; Crohn Disease; Diet; Diet Therapy; Enteritis; Glutens; Humans; Malabsorption Syndromes; Neuritis; Peripheral Nervous System Diseases; Sprue, Tropical; Vitamin B 12; Vitamin B Complex; Vitamin D; Vitamin K; Vitamins | 1964 |
TREATMENT OF MALABSORPTION SYNDROME.
Topics: Adrenal Cortex Hormones; Calcium; Calcium, Dietary; Celiac Disease; Dietary Carbohydrates; Dietary Proteins; Drug Therapy; Folic Acid; Humans; Iron; Magnesium; Malabsorption Syndromes; Sprue, Tropical; Vitamin B 12; Vitamin B Complex; Vitamin D; Vitamin K | 1964 |