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Related Experiment Videos

Sports hematuria.

J Abarbanel1, A E Benet, D Lask

  • 1Department of Urology, Golda Medical Center, Hasharon Hospital, Petah Tiqva, Israel.

The Journal of Urology
|May 1, 1990
PubMed
Summary

Strenuous exercise can cause hematuria, or blood in the urine, due to traumatic or non-traumatic injury. This common sports-related condition is usually self-limiting but requires careful evaluation.

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Area of Science:

  • Urology
  • Sports Medicine
  • Nephrology

Background:

  • Intensive physical activity places significant stress on the body, potentially leading to urinary tract abnormalities.
  • Hematuria, the presence of blood in the urine, is a common finding after strenuous exercise in both contact and noncontact sports.

Purpose of the Study:

  • To explore the pathophysiology of exercise-induced hematuria.
  • To differentiate sports hematuria from other causes of reddish urine.

Main Methods:

  • Review of mechanisms causing exercise-induced hematuria, including traumatic and non-traumatic pathways.
  • Distinguishing sports hematuria from march hemoglobinuria and exercise myoglobinuria.

Main Results:

  • Traumatic causes include direct renal or bladder injury.
  • Non-traumatic causes involve renal vasoconstriction leading to nephron hypoxia and increased glomerular permeability, or efferent arteriolar constriction increasing filtration pressure.
  • Sports hematuria involves whole blood, unlike hemoglobinuria or myoglobinuria.

Conclusions:

  • Exercise-induced hematuria is typically benign and self-resolving.
  • It is crucial to rule out underlying urinary tract pathologies despite the benign nature of sports hematuria.

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