MAIRE T. BUCKMAN, M.D.
With an estimated 10 to 30 million participants, long-distance running has become a popular recreational activity. Many complications of long-distance running have been described, though, including delayed menarche, oligomenorrhea, and amenorrhea; stress fractures and other musculoskeletal injuries; sudden cardiac death; proteinuria; hematuria; hemoglobinuria; rhabdomyolysis and myoglobinuria; acute renal failure; heat and cold injury; and alterations in gastrointestinal function. Isolated case reports have described severe or catastrophic gastrointestinal bleeding. Derek Clayton (1) has written about the aftermath of his world record marathon run in 1979 that he "was vomiting black mucus and had a lot of black diarrhea." A retrospective autopsy
BUCKMAN MT. Gastrointestinal Bleeding in Long-Distance Runners. Ann Intern Med. ;101:127–128. doi: 10.7326/0003-4819-101-1-127
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Published: Ann Intern Med. 1984;101(1):127-128.
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