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Exercise-induced endobronchial hemorrhage: a rare clinical presentation
Anuk Kruavit1, Mukesh Jain2, David Fielding3
1Respiratory and Sleep Medicine Unit Royal Darwin Hospital and Darwin private hospital Darwin Northern Territory Australia.
Respirology Case Reports
|August 12, 2016
Summary
Exercise can cause hemoptysis (coughing up blood) in some individuals. This case report highlights recurrent bleeding triggered by strenuous physical activity, likely due to pulmonary capillary stress.
Area of Science:
- Pulmonary Medicine
- Exercise Physiology
Background:
- Exercise-induced hemoptysis is an underrecognized condition.
- Previous testicular cancer treatment with Bleomycin chemotherapy was noted.
Observation:
- A 33-year-old male experienced recurrent, exercise-induced hemoptysis.
- Diagnostic tests including CT scans, V/Q scan, and echocardiography showed no significant abnormalities.
- Bronchoscopy suggested endobronchial bleeding.
Findings:
- Recurrent hemoptysis was reproducibly linked to vigorous exercise.
- Infectious, autoimmune, coagulopathic, vasculitic, and malignant causes were ruled out.
- The bleeding was attributed to pulmonary capillary stress during high cardiorespiratory workload.
Implications:
- This case expands understanding of exercise-induced hemoptysis.
- It suggests pulmonary capillary vulnerability as a potential mechanism.
- Highlights the importance of considering exercise as a trigger for hemoptysis.
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