urea has been researched along with Gastrointestinal Hemorrhage in 50 studies
pseudourea: clinical use; structure
isourea : A carboximidic acid that is the imidic acid tautomer of urea, H2NC(=NH)OH, and its hydrocarbyl derivatives.
Gastrointestinal Hemorrhage: Bleeding in any segment of the GASTROINTESTINAL TRACT from ESOPHAGUS to RECTUM.
| Excerpt | Relevance | Reference |
|---|---|---|
| "The aim of this work is to investigate the accuracy of the urea breath test (UBT) performed immediately after emergency endoscopy in peptic ulcer bleeding (PUB)." | 7.78 | Accuracy of urea breath test performed immediately after emergency endoscopy in peptic ulcer bleeding. ( Aller, R; Almaraz, A; Del Olmo, L; Fernández-Salazar, L; Gisbert, JP; González-Hernández, JM; Muñoz, MF; Pons-Renedo, F; Ruíz, L; Velayos, B, 2012) |
| "Of 74 patients admitted for bleeding esophageal varices, 31 were treated with perivascular sclerotherapy (group I), and 43 with intravascular sclerotherapy (group II)." | 6.37 | [Comparative efficacy of endoscopic sclerosis of esophageal varices by intravariceal injection of polidocanol and perivariceal injection of quinine-urea]. ( Bourbon, P; Dentant, L; Rachail, M; Rousseau, E; Zarski, JP, 1988) |
| "The aim of this work is to investigate the accuracy of the urea breath test (UBT) performed immediately after emergency endoscopy in peptic ulcer bleeding (PUB)." | 3.78 | Accuracy of urea breath test performed immediately after emergency endoscopy in peptic ulcer bleeding. ( Aller, R; Almaraz, A; Del Olmo, L; Fernández-Salazar, L; Gisbert, JP; González-Hernández, JM; Muñoz, MF; Pons-Renedo, F; Ruíz, L; Velayos, B, 2012) |
| "Blood urea:creatinine (BU/CR) ratio in 160 adult patients of UGIB were studied after excluding clinically overt cirrhosis of liver, renal failure and hematochezia." | 3.71 | Discriminatory value of blood urea:creatinine ratio in upper gastrointestinal bleeding with and without cirrhosis of liver. ( Das, AK; Das, M; Gogoi, GN, 2002) |
| "The urea breath test is a noninvasive and very accurate test for the diagnosis of Helicobacter pylori infection." | 2.43 | 13C-urea breath test in the management of Helicobacterpylori infection. ( Gisbert, JP; Pajares, JM, 2005) |
| "Of 74 patients admitted for bleeding esophageal varices, 31 were treated with perivascular sclerotherapy (group I), and 43 with intravascular sclerotherapy (group II)." | 2.37 | [Comparative efficacy of endoscopic sclerosis of esophageal varices by intravariceal injection of polidocanol and perivariceal injection of quinine-urea]. ( Bourbon, P; Dentant, L; Rachail, M; Rousseau, E; Zarski, JP, 1988) |
| "Urea level is an independent predictor of positive endoscopic findings in presumed UGIB, and urea ≥10 mmol/L may be a useful threshold to help guide clinicians towards clinically significant bleeding that could warrant early endoscopic evaluation." | 1.56 | Is Blood Urea Concentration an Independent Predictor of Positive Endoscopic Findings in Presumed Upper Gastrointestinal Bleeding? ( Chopra, D; Moayyedi, P; Narula, N; Rosenberg, M, 2020) |
| "The incidence of gastrointestinal hemorrhages among the 35 Swedish patients with active H." | 1.32 | Helicobacter pylori causes gastrointestinal hemorrhage in patients with congenital bleeding disorders. ( Hegedus, O; Hein, M; Hellström, PM; Lindmarker, P; Rehnberg, AS; Schulman, S, 2003) |
| "The HK criteria predicted severe acute pancreatitis with a sensitivity of 52% and specificity of 80%." | 1.30 | Failure of the Hong Kong criteria to predict the severity of acute pancreatitis. ( Anderson, JH; Heath, DI; Lau, WY; Leung, KL; Li, AK; Meng, WC, 1997) |
| "pylori infection in patients with hemophilia A or B and with the von Willebrand syndrome." | 1.30 | Risk of gastrointestinal bleeding associated with Helicobacter pylori infection in patients with hemophilia or von Willebrand's syndrome. ( Braden, B; Caspary, WF; Dietrich, CF; Karich, HJ; Lembcke, B; Scharrer, I; Wenke, A, 1998) |
| "Pre-renal conditions such as cardiac failure, dehydration and gastrointestinal haemorrhage, either alone or in combination, were present in 56% of these patients." | 1.28 | Raised blood urea in the elderly: a clinical and pathological study. ( Bowker, LK; Briggs, RS; Gallagher, PJ; Robertson, DR, 1992) |
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 26 (52.00) | 18.7374 |
| 1990's | 11 (22.00) | 18.2507 |
| 2000's | 6 (12.00) | 29.6817 |
| 2010's | 3 (6.00) | 24.3611 |
| 2020's | 4 (8.00) | 2.80 |
| Authors | Studies |
|---|---|
| Safrany, B | 1 |
| Holmes, AC | 1 |
| Adamantos, S | 1 |
| Kisielewicz, C | 1 |
| Juvet, F | 1 |
| Macfarlane, L | 1 |
| McCann, T | 1 |
| Diana, PV | 1 |
| Allerton, F | 1 |
| Ojetti, V | 1 |
| Saviano, A | 1 |
| Petruzziello, C | 1 |
| Brigida, M | 1 |
| Pignataro, G | 1 |
| Riccioni, ME | 1 |
| Covino, M | 1 |
| Candelli, M | 1 |
| Saviano, L | 1 |
| Barone, F | 1 |
| Piccioni, A | 1 |
| Franceschi, F | 1 |
| Stiller, J | 1 |
| Defarges, AM | 1 |
| Brisson, BA | 1 |
| Bersenas, AME | 1 |
| Pomrantz, JS | 1 |
| Lang, B | 1 |
| Pearl, DL | 1 |
| Chopra, D | 1 |
| Rosenberg, M | 1 |
| Moayyedi, P | 1 |
| Narula, N | 1 |
| Wong, F | 1 |
| Ou, G | 1 |
| Svarta, S | 1 |
| Kwok, R | 1 |
| Donaldson, K | 1 |
| Frenette, J | 1 |
| Enns, R | 1 |
| Theocharis, GJ | 1 |
| Arvaniti, V | 1 |
| Assimakopoulos, SF | 1 |
| Thomopoulos, KC | 1 |
| Xourgias, V | 1 |
| Mylonakou, I | 1 |
| Nikolopoulou, VN | 1 |
| McLaughlin, C | 1 |
| Vine, L | 1 |
| Chapman, L | 1 |
| Deering, P | 1 |
| Whittaker, S | 1 |
| Beckly, J | 1 |
| Fortun, P | 1 |
| Murray, IA | 1 |
| Hussaini, SH | 1 |
| Michell, NP | 1 |
| Stableforth, B | 1 |
| Thatcher, P | 1 |
| Hare, NC | 1 |
| Palmer, J | 1 |
| Dalton, HR | 1 |
| Velayos, B | 1 |
| Fernández-Salazar, L | 1 |
| Pons-Renedo, F | 1 |
| Muñoz, MF | 1 |
| Almaraz, A | 1 |
| Aller, R | 1 |
| Ruíz, L | 1 |
| Del Olmo, L | 1 |
| Gisbert, JP | 2 |
| González-Hernández, JM | 1 |
| Schulman, S | 1 |
| Rehnberg, AS | 1 |
| Hein, M | 1 |
| Hegedus, O | 1 |
| Lindmarker, P | 1 |
| Hellström, PM | 1 |
| COHN, TD | 1 |
| LANE, M | 1 |
| ZUCKERMAN, S | 1 |
| MESSINGER, N | 1 |
| GRIFFITH, A | 1 |
| CAMPANACCI, D | 1 |
| BONOMINI, V | 1 |
| NIENHUIS, LI | 1 |
| MULMED, EI | 1 |
| KELLEY, JW | 1 |
| LESTRADET, H | 1 |
| SHIFFMAN, MA | 1 |
| KARLAN, MS | 1 |
| SNYDER, WH | 1 |
| KAPLAN, SA | 1 |
| HAUGEN, HN | 1 |
| NIEDERKORN, A | 2 |
| Pajares, JM | 1 |
| Demiray, E | 1 |
| Yilmaz, O | 1 |
| Sarkis, C | 1 |
| Soyturk, M | 1 |
| Simsek, I | 1 |
| Bodiaka, VIu | 1 |
| Rösch, W | 1 |
| Pumphrey, CW | 1 |
| Beck, ER | 1 |
| Mortensen, PB | 1 |
| Nøhr, M | 1 |
| Møller-Petersen, JF | 1 |
| Balslev, I | 1 |
| Prassler, R | 1 |
| Barnert, J | 1 |
| Reitz, B | 1 |
| Behr, W | 1 |
| Wienbeck, M | 1 |
| Cherry, DV | 1 |
| Bowers, DE | 1 |
| Thomas, L | 1 |
| Redmond, AF | 1 |
| Abad-Lacruz, A | 1 |
| Cabré, E | 1 |
| González-Huix, F | 1 |
| Fernández-Bañares, F | 1 |
| Esteve, M | 1 |
| Planas, R | 1 |
| Llovet, JM | 1 |
| Quer, JC | 1 |
| Gassull, MA | 1 |
| Olde Damink, SW | 3 |
| Dejong, CH | 3 |
| Deutz, NE | 3 |
| Soeters, PB | 4 |
| Heath, DI | 1 |
| Meng, WC | 1 |
| Anderson, JH | 1 |
| Leung, KL | 1 |
| Lau, WY | 1 |
| Li, AK | 1 |
| Braden, B | 1 |
| Wenke, A | 1 |
| Karich, HJ | 1 |
| Dietrich, CF | 1 |
| Scharrer, I | 1 |
| Caspary, WF | 1 |
| Lembcke, B | 1 |
| van Berlo, CL | 3 |
| Das, M | 1 |
| Das, AK | 1 |
| Gogoi, GN | 1 |
| Ansley, JD | 1 |
| Isaacs, JW | 1 |
| Rikkers, LF | 1 |
| Kutner, MH | 1 |
| Nordlinger, BM | 1 |
| Rudman, D | 2 |
| Rodés, J | 1 |
| Arroyo, V | 1 |
| Bordas, JM | 1 |
| Bruguera, M | 1 |
| Galambos, JT | 1 |
| Warren, WD | 1 |
| Smith, RB | 1 |
| Salam, AA | 1 |
| Bowker, LK | 1 |
| Briggs, RS | 1 |
| Gallagher, PJ | 1 |
| Robertson, DR | 1 |
| Olsen, LH | 1 |
| Andreassen, KH | 1 |
| van de Bogaard, AE | 1 |
| van der Heijden, MA | 1 |
| van Eijk, HM | 1 |
| Janssen, MA | 1 |
| Bost, MC | 1 |
| Urasima, S | 1 |
| Sato, H | 1 |
| Takada, A | 1 |
| Snook, JA | 1 |
| Holdstock, GE | 1 |
| Bamforth, J | 1 |
| Dunstan, EJ | 1 |
| Snook, J | 1 |
| Bourbon, P | 1 |
| Zarski, JP | 1 |
| Rousseau, E | 1 |
| Dentant, L | 1 |
| Rachail, M | 1 |
| Kahn, S | 1 |
| Sagel, J | 1 |
| Eales, L | 1 |
| Rabkin, R | 1 |
| Losowsky, MS | 1 |
| Scott, BB | 1 |
| Lecompte, Y | 1 |
| Metreau, JM | 1 |
| Sancho, HS | 1 |
| Bismuth, H | 1 |
| Barker, CF | 1 |
| Peskin, GW | 1 |
| Mroczek, R | 1 |
| Arai, M | 1 |
| Ishikawa, I | 1 |
| Shikata, J | 1 |
4 reviews available for urea and Gastrointestinal Hemorrhage
| Article | Year |
|---|---|
HEPATIC COMA; TREATMENT EMPHASIZING MERIT OF PERITONEAL DIALYSIS.
Topics: Adrenal Cortex Hormones; Alkalosis; Ammonium Chloride; Anti-Bacterial Agents; Arginine; Chlorothiazi | 1963 |
13C-urea breath test in the management of Helicobacterpylori infection.
Topics: Breath Tests; Enzyme Inhibitors; Gastrectomy; Gastrointestinal Hemorrhage; Helicobacter Infections; | 2005 |
[Comparative efficacy of endoscopic sclerosis of esophageal varices by intravariceal injection of polidocanol and perivariceal injection of quinine-urea].
Topics: Drug Combinations; Esophageal and Gastric Varices; Female; Gastrointestinal Hemorrhage; Humans; Male | 1988 |
Hepatic encephalopathy.
Topics: Acetazolamide; Ammonia; Constipation; Diet Therapy; Electroencephalography; Gastrointestinal Hemorrh | 1973 |
1 trial available for urea and Gastrointestinal Hemorrhage
| Article | Year |
|---|---|
Selective and total shunts in the treatment of bleeding varices. A randomized controlled trial.
Topics: Adult; Aged; Arterial Occlusive Diseases; Blood Vessel Prosthesis; Esophageal and Gastric Varices; F | 1976 |
45 other studies available for urea and Gastrointestinal Hemorrhage
| Article | Year |
|---|---|
Plasma urea:creatinine ratio as a biomarker of gastrointestinal bleeding in dogs with anaemia.
Topics: Anemia; Animals; Biomarkers; Creatinine; Cross-Sectional Studies; Dog Diseases; Dogs; Gastrointestin | 2023 |
13C urea breath test to identify Helicobacter pylori Infection in patients with upper gastrointestinal bleeding admitted to the Emergency Department.
Topics: Breath Tests; Carbon Isotopes; Emergency Service, Hospital; Female; Gastrointestinal Hemorrhage; Hel | 2021 |
Diagnostic evaluation of urea nitrogen/creatinine ratio in dogs with gastrointestinal bleeding.
Topics: Animals; Creatinine; Dog Diseases; Dogs; Gastrointestinal Hemorrhage; Nitrogen; Retrospective Studie | 2021 |
Is Blood Urea Concentration an Independent Predictor of Positive Endoscopic Findings in Presumed Upper Gastrointestinal Bleeding?
Topics: Aged; Endoscopy, Gastrointestinal; Female; Gastrointestinal Hemorrhage; Humans; Logistic Models; Mal | 2020 |
Do we eradicate Helicobacter pylori in hospitalized patients with peptic ulcer disease?
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Biopsy; Breath Tests; British Columbia; Endoscopy, Diges | 2013 |
Acute upper gastrointestinal bleeding in octogenarians: clinical outcome and factors related to mortality.
Topics: Age Factors; Aged; Aged, 80 and over; Comorbidity; Endoscopy, Gastrointestinal; Female; Gastrointest | 2008 |
The management of low-risk primary upper gastrointestinal haemorrhage in the community: a 5-year observational study.
Topics: Adult; Age Factors; Aged; Community Health Services; Endoscopy, Gastrointestinal; England; Female; G | 2012 |
Accuracy of urea breath test performed immediately after emergency endoscopy in peptic ulcer bleeding.
Topics: Adult; Aged; Aged, 80 and over; Breath Tests; Emergency Service, Hospital; Endoscopy, Gastrointestin | 2012 |
Helicobacter pylori causes gastrointestinal hemorrhage in patients with congenital bleeding disorders.
Topics: Adolescent; Adult; Aged; Aged, 80 and over; Blood Coagulation Disorders; Breath Tests; Cost-Benefit | 2003 |
Induced azotemia in humans following massive protein and blood ingestion and the mechanism of azotemia in gastrointestinal hemorrhage.
Topics: Azotemia; Blood; Eating; Gastrointestinal Hemorrhage; Gastrointestinal Tract; Hemorrhage; Humans; Pr | 1956 |
[Digestive hemorrhages as the cause of hyperazotemia].
Topics: Blood Urea Nitrogen; Digestion; Gastrointestinal Hemorrhage; Hemorrhage; Humans; Nitrogen; Urea | 1959 |
[THE PHYSIOPATHOLOGY AND TREATMENT OF HEPATIC COMA].
Topics: Alkalosis; Ammonia; Anti-Bacterial Agents; Antibiotics, Antitubercular; Arginine; Bilirubin; Blood C | 1964 |
GASTROINTESTINAL INSTILLATION OF BLOOD; EFFECTS ON LIVER FUNCTIONS AND UREA NITROGEN IN NORMAL DOGS.
Topics: Alkaline Phosphatase; Animals; Aspartate Aminotransferases; Bilirubin; Blood; Blood Chemical Analysi | 1964 |
The significance of azotemia in gastro-intestinal hemorrhages.
Topics: Azotemia; Blood; Creatinine; Gastrointestinal Hemorrhage; Gastrointestinal Tract; Hemorrhage; Humans | 1955 |
[Usefulness of determining the blood urea levels in massive hemorrhages of the digestive tract].
Topics: Gastrointestinal Hemorrhage; Gastrointestinal Tract; Hemorrhage; Urea | 1951 |
[Usefulness of determining the blood urea level in massive hemorrhages of the digestive tract].
Topics: Gastrointestinal Hemorrhage; Gastrointestinal Tract; Hemorrhage; Urea | 1952 |
Comparison of invasive methods and two different stool antigen tests for diagnosis of H pylori infection in patients with gastric bleeding.
Topics: Adult; Aged; Aged, 80 and over; Antigens, Bacterial; Breath Tests; Diagnostic Tests, Routine; Feces; | 2006 |
[Changes of biochemical content of the duodenal mucosa in early recurrence of bleeding].
Topics: Animals; Disease Models, Animal; Dogs; Duodenal Diseases; Gastrointestinal Hemorrhage; Glucose; Inte | 2007 |
[Emergency endoscopy--diagnostic and therapeutic possibilities].
Topics: Acids; Alkalies; Cholelithiasis; Emergencies; Endoscopy; Foreign Bodies; Gastrointestinal Hemorrhage | 1980 |
Raised blood urea concentration indicates considerable blood loss in acute upper gastrointestinal haemorrhage.
Topics: Acute Disease; Blood Volume; Gastrointestinal Hemorrhage; Humans; Time Factors; Urea | 1980 |
The diagnostic value of serum urea/creatinine ratio in distinguishing between upper and lower gastrointestinal bleeding. A prospective study.
Topics: Adult; Aged; Aged, 80 and over; Creatinine; Female; Gastrointestinal Hemorrhage; Humans; Male; Middl | 1994 |
[The value of the urea/creatinine ratio for differentiation of up and lower gastrointestinal hemorrhage].
Topics: Adult; Aged; Blood Volume; Creatinine; Diagnosis, Differential; Erythrocyte Transfusion; Female; Gas | 1994 |
Acute toxicological effects of ingested tooth whiteners in female rats.
Topics: Animals; Blood Urea Nitrogen; Body Temperature; Body Weight; Carbamide Peroxide; Drinking; Drug Comb | 1993 |
Routine tests of renal function, alcoholism, and nutrition improve the prognostic accuracy of Child-Pugh score in nonbleeding advanced cirrhotics.
Topics: Alcohol Drinking; Esophageal and Gastric Varices; Female; Follow-Up Studies; Gastrointestinal Hemorr | 1993 |
Decreased plasma and tissue isoleucine levels after simulated gastrointestinal bleeding by blood gavages in chronic portacaval shunted rats.
Topics: Ammonia; Animals; Cattle; Cerebral Cortex; Erythrocytes; Gastrointestinal Hemorrhage; Isoleucine; Le | 1997 |
Failure of the Hong Kong criteria to predict the severity of acute pancreatitis.
Topics: Acute Disease; Adolescent; Adult; Aged; Aged, 80 and over; Blood Glucose; Diabetes Mellitus; False P | 1997 |
Risk of gastrointestinal bleeding associated with Helicobacter pylori infection in patients with hemophilia or von Willebrand's syndrome.
Topics: Adult; Breath Tests; Dyspepsia; Female; Gastrointestinal Hemorrhage; Helicobacter Infections; Helico | 1998 |
[Uremia after hemorrhages in the upper digestive tract].
Topics: Ammonia; Animals; Blood Proteins; Gastrointestinal Hemorrhage; Humans; Isoleucine; Swine; Urea; Urem | 1998 |
Upper gastrointestinal bleeding: an ammoniagenic and catabolic event due to the total absence of isoleucine in the haemoglobin molecule.
Topics: Ammonia; Gastrointestinal Hemorrhage; Hemoglobins; Humans; Isoleucine; Liver Cirrhosis; Models, Biol | 1999 |
Discriminatory value of blood urea:creatinine ratio in upper gastrointestinal bleeding with and without cirrhosis of liver.
Topics: Adult; Creatinine; Data Interpretation, Statistical; Diagnosis, Differential; Esophageal and Gastric | 2002 |
Quantitative tests of nitrogen metabolism in cirrhosis: relation to other manifestations of liver disease.
Topics: Adult; Amino Acids; Ammonia; Ammonium Chloride; Aspartate Aminotransferases; Bilirubin; Cholesterol; | 1978 |
Hypernatremia following gastrointestinal bleeding in cirrhosis with ascites.
Topics: Adult; Aged; Ascites; Blood Urea Nitrogen; Creatinine; Diuresis; Esophageal and Gastric Varices; Fem | 1975 |
Raised blood urea in the elderly: a clinical and pathological study.
Topics: Aged; Aged, 80 and over; Creatinine; Dehydration; Female; Gastrointestinal Hemorrhage; Heart Failure | 1992 |
Stools containing altered blood-plasma urea: creatinine ratio as a simple test for the source of bleeding.
Topics: Aged; Aged, 80 and over; Colonic Diseases; Creatinine; Female; Gastrointestinal Hemorrhage; Humans; | 1991 |
Is increased ammonia liberation after bleeding in the digestive tract the consequence of complete absence of isoleucine in hemoglobin? A study in pigs.
Topics: Alanine; Ammonia; Animals; Blood Flow Velocity; Female; Gastrointestinal Hemorrhage; Glutamine; Hemo | 1989 |
[Diagnosis of the bleeding site in gastrointestinal hemorrhage by the determination of the serum urea and creatinine ratios].
Topics: Adolescent; Adult; Aged; Blood Transfusion; Creatinine; Gastrointestinal Hemorrhage; Humans; Middle | 1989 |
Value of a simple biochemical ratio in distinguishing upper and lower sites of gastrointestinal haemorrhage.
Topics: Acute Disease; Adult; Aged; Blood Volume; Creatinine; Diagnosis, Differential; Esophageal and Gastri | 1986 |
Urea/creatinine ratios, age, and gastrointestinal bleeding.
Topics: Age Factors; Aged; Creatinine; Gastrointestinal Hemorrhage; Humans; Urea | 1986 |
Urea/creatinine ratio and gastrointestinal haemorrhage.
Topics: Aged; Creatinine; Female; Gastrointestinal Hemorrhage; Humans; Male; Middle Aged; Urea | 1986 |
Urea/creatinine ratio and gastrointestinal haemorrhage.
Topics: Creatinine; Gastrointestinal Hemorrhage; Humans; Urea | 1986 |
The significance of serum creatinine and the blood urea-serum creatinine ratio in azotaemia.
Topics: Acute Disease; Acute Kidney Injury; Adult; Chronic Disease; Creatinine; Diet Therapy; Dietary Protei | 1972 |
Prediction of mortality in cirrhosis of the liver.
Topics: Acute Kidney Injury; Ascites; Blood Coagulation Tests; Brain Diseases; Death, Sudden; Gastrointestin | 1974 |
The effect of general and local intestinal hypothermia on the production and absorption of ammonia.
Topics: Ammonia; Animals; Blood; Colon; Dogs; Gastric Mucosa; Gastrointestinal Hemorrhage; Hypothermia, Indu | 1966 |
[Content of ammonia and urea in the blood and so-called urea ammonia index in patients with bleeding from upper digestive tract].
Topics: Adolescent; Adult; Ammonia; Esophageal and Gastric Varices; Female; Gastrointestinal Hemorrhage; Hum | 1966 |
[Postoperative complications of obstructive jaundice].
Topics: Cholestasis; Female; Gastrointestinal Hemorrhage; Humans; Kidney Diseases; Male; Middle Aged; Postop | 1969 |