1. Negative-pressure pulmonary Hemorrhaging Due to Severe Obstructive Sleep Apnea
- Author
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Toshihiro Shiozawa, Ryoko Ogawa, Norio Takayashiki, Yuko Morishima, Takahiro Takeishi, Takumi Kiwamoto, Nobuyuki Hizawa, Yuko Tsukahara, Kenya Kuramoto, Mizu Nonaka, Masayuki Noguchi, Hisayuki Oshima, Sosuke Matsumura, Chio Sakai, Masayuki Nakajima, and Masashi Matsuyama
- Subjects
Adult ,Lung Diseases ,Male ,Polysomnography ,medicine.medical_treatment ,Case Report ,Hemorrhage ,Computed tomography ,030204 cardiovascular system & hematology ,Young Adult ,03 medical and health sciences ,0302 clinical medicine ,negative-pressure pulmonary edema (NPPE) ,Internal Medicine ,medicine ,Humans ,Continuous positive airway pressure ,Sleep Apnea, Obstructive ,Continuous Positive Airway Pressure ,medicine.diagnostic_test ,business.industry ,continuous positive airway pressure (CPAP) treatment ,Infant, Newborn ,obstructive sleep apnea (OSA) ,General Medicine ,respiratory system ,medicine.disease ,respiratory tract diseases ,Bloody ,Obstructive sleep apnea ,Bronchoalveolar lavage ,Anesthesia ,Sputum ,030211 gastroenterology & hepatology ,medicine.symptom ,business ,Vasculitis ,negative-pressure pulmonary hemorrhaging (NPPH) - Abstract
A 24-year-old man with a history of bloody sputum for 6 months was referred to our hospital with suspected alveolar hemorrhaging due to vasculitis. Chest computed tomography showed ground-glass opacities in both lungs, and an examination of his bronchoalveolar lavage fluid showed alveolar hemorrhaging. However, no evidence of vasculitis was found, and subsequent polysomnographic testing confirmed that he had severe obstructive sleep apnea (OSA). Since the alveolar hemorrhaging improved after the initiation of continuous positive airway pressure treatment, the diagnosis was negative-pressure alveolar hemorrhaging due to severe OSA.
- Published
- 2021