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Gastrointestinal bleeding and the athlete

F M Moses1

  • 1Department of Medicine, Walter Reed Army Medical Center, Washington, DC.

The American Journal of Gastroenterology
|August 1, 1993
PubMed
Summary

Prolonged exercise can cause gastrointestinal (GI) bleeding, likely due to visceral ischemia. While often reversible, effective treatments for exercise-induced GI bleeding remain uncertain, necessitating further research.

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Area of Science:

  • Sports Medicine
  • Gastroenterology
  • Physiology

Background:

  • Gastrointestinal (GI) bleeding is a known complication of prolonged exercise.
  • This bleeding is often linked to visceral ischemia, a condition where blood flow to internal organs is reduced.
  • The clinical presentation varies from acute hemorrhage to chronic anemia or asymptomatic guaiac-positive stools.

Purpose of the Study:

  • To summarize the current understanding of exercise-induced GI bleeding.
  • To highlight common gastrointestinal lesions associated with exercise.
  • To discuss potential therapeutic approaches and the need for further research.

Main Methods:

  • Review of existing literature on exercise-induced GI bleeding.
  • Identification of common pathological findings such as hemorrhagic gastritis and colitis.
  • Discussion of the role of visceral ischemia in the pathophysiology.

Main Results:

  • Hemorrhagic gastritis and colitis are the most frequent lesions, typically transient and reversible.
  • Acid suppression with cimetidine may benefit selected patients with recurrent hemorrhagic gastritis.
  • Effective therapies for the majority of patients with exercise-induced GI bleeding are still under investigation.

Conclusions:

  • Exercise-induced GI bleeding is a recognized phenomenon mediated by visceral ischemia.
  • While lesions are often reversible, optimal therapeutic strategies require further investigation.
  • Increased awareness is crucial for advancing research into the pathophysiology and treatment of this condition.

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