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Abstract

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Article in Japanese

Case Report

Exercise-induced pulmonary hemorrhage during a triathlon: A case report

Koji Katoa,b  Shun Kondoc  Toshiyuki Sumic  Yasumasa Tanakaa 

aDepartment of Pulmonary Medicine, Steel Memorial Muroran Hospital
bDepartment of Pulmonary Medicine, NTT East Sapporo Medical Center
cDepartment of Respiratory Medicine and Allergy, Sapporo Medical University School of Medicine

ABSTRACT

A 44-year-old man coughed up bloody sputum during a triathlon swimming competition. He immediately developed difficulty in breathing and was transported to our hospital by ambulance. A chest computed tomography scan showed multifocal, diffuse patchy ground glass opacities, lung field infiltration bilaterally, and nodular shadows along the respiratory tract. Although local bleeding was absent during bronchoscopy, the bronchoalveolar lavage fluid revealed diffused alveolar hemorrhage. Thus diffuse pulmonary hemorrhage was strongly suspected. Considering the medical history, clinical course, and examination results, we diagnosed the patient with exercise-induced pulmonary hemorrhage caused by strenuous exercise during the triathlon.

KEYWORDS

Diffuse alveolar hemorrhage  Exercise-induced pulmonary hemorrhage  Bronchoalveolar lavage fluid 

Received 20 May 2016 / Accepted 18 Oct 2016

AJRS, 6(1): 27-31, 2017

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