| Faecal blood loss in response to exercise. | |
| | |
MedLine Citation:
|
PMID: 3115419 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
|
Recently qualitative tests have indicated that gastrointestinal bleeding during exercise may be an important contributory factor in sports anaemia. In six healthy men who walked 37 km on four consecutive days faecal haemoglobin content remained normal (reference range 0.10-2.53 mg/g faeces) with no significant differences between values. In 28 marathon runners who refrained from taking drugs or food containing blood the median faecal haemoglobin content increased by 0.42 mg/g faeces (95% confidence interval 0.12 to 0.83 mg/g) from 1.06 (0.86 to 1.31) mg/g before the race. In 13 runners who had taken drugs before the race the corresponding increase in the median faecal haemoglobin content was 0.87 (-0.03 to 2.20) mg/g from the value before the race of 0.93 (0.46 to 1.55) mg/g. Prolonged walking had no effect on gastrointestinal blood loss. Intense endurance exercise in the form of marathon running induced a significant but clinically unimportant increase. This may be exaggerated by the ingestion of drugs and assume importance in causing iron deficiency and sports anaemia. The use of drugs, particularly analgesics, by marathon runners should be actively discouraged. |
| | |
Authors:
|
J D Robertson; R J Maughan; R J Davidson |
Related Documents
:
|
9819539 - A comparison of maximum oxygen consumption, aerobic performance, and endurance in young... 9494739 - Ratings of perceived exertion to determine intensity during outdoor running. 2681819 - Effects of a verbal and visual feedback system on running technique, perceived exertion... 270939 - Marathon running and immunity to atherosclerosis. 10211849 - Effects of acute exercise on plasma erythropoietin levels in trained runners. 17792089 - Energetics of running cockroaches. 23550429 - The benefits of exercise based cardiac rehabilitation in congestive heart failure--a ca... 6469809 - Arterial blood acid-base regulation during exercise in rats. 179119 - On the formation of hydrogen peroxide and oxygen radicals in heart mitochondria. |
Publication Detail:
|
Type: Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't |
Journal Detail:
|
Title: British medical journal (Clinical research ed.) Volume: 295 ISSN: 0267-0623 ISO Abbreviation: Br Med J (Clin Res Ed) Publication Date: 1987 Aug |
Date Detail:
|
Created Date: 1987-11-17 Completed Date: 1987-11-17 Revised Date: 2009-11-18 |
Medline Journal Info:
|
Nlm Unique ID: 8302911 Medline TA: Br Med J (Clin Res Ed) Country: ENGLAND |
Other Details:
|
Languages: eng Pagination: 303-5 Citation Subset: AIM; IM |
Affiliation:
|
Department of Environmental and Occupational Medicine, University Medical School, Foresterhill, Aberdeen. |
Export Citation:
|
APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
|
Adult Aged Anemia / etiology Feces / analysis Female Gastrointestinal Hemorrhage / blood, etiology* Hemoglobins / analysis Humans Male Middle Aged Physical Exertion* Reference Values Running |
| Chemical | |
Reg. No./Substance:
|
0/Hemoglobins |
| Comments/Corrections | |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
Previous Document: Cervical carcinoma: prognosis in younger patients.
Next Document: Heart and lung transplantation in patients with end stage lung disease.