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Two Obese Cases of Sleep Apnea Syndrome, Whose Elevated Hematocrit was Normalized with Continuous Positive Airway Pressure Fumihiko Yasuma 1 , Naohide Kondo 3 , Akinori Sawamura 4 , Toyoaki Murohara 4 , Toshimitsu Mori 1 , Tamotsu Tanahashi 1 , Michinori Ogura 2 , Seiichi Nakata 5 1Department of Cardiology, Suzuka National Hospital 2Department of Hematology, Suzuka National Hospital 3Department of Neurology, Nagoya University Graduate School of Medicine 4Department of Cardiology, Nagoya University Graduate School of Medicine 5Department of Otorhynolaryngology, Second Hospital, Fujita Health University School of Medicine Keyword: 持続陽圧呼吸 , 睡眠時無呼吸症候群 , 肥満低換気症候群 , ヘマトクリット値 , continuous positive airway pressure , sleep apnea syndrome , obesity hypoventilation syndrome , hematocrit pp.388-392
Published Date 2015/4/15
DOI https://doi.org/10.11477/mf.1404205687
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 We presented two obese male patients with sleep apnea syndrome, whose elevated hematocrit was normalized with continuous positive airway pressure. The first case was 28 years of age with the BMI of 48.2, who was diagnosed as sleep apnea syndrome associated with obesity hypoventilation syndrome. The patient had been treated successfully with positive airway pressure for the past 11 years thereafter without cardiovascular morbidity. The second case was 44 years of age with the BMI of 31.5, who was transferred for the transient loss of consciousness and convulsion. The patient was diagnosed as cerebral venous thrombosis with sleep apnea, which was treated successfully with positive airway pressure subsequently. In both cases, the initially elevated hematocrit(>50%)was normalized with continuous positive airway pressure. The increase in hematocrit in sleep apnea syndrome, the mechanisms of which might be complicated, could be a risk not only for the arterial but also venous thromboembolism in apnea patients, and it should be mentioned among the practitioners.


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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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