患者女性 ,47岁 ,因意识不清 2ｈ于 2 0 0 0年 1月 30日入院。患者 2年前不明原因出现畏寒、肥胖、乏力、健忘、打鼾等症状 ,入院前 2周 ,患者经多导睡眠图检查 ,诊断为重度阻塞型睡眠呼吸暂停综合征 ,接受经鼻持续气道内正压通气治疗 (ｎＣＰＡＰ)。因患者不能耐受 ,数日后即 Patient Female, 47 years old, admitted to hospital on January 30, 2000 due to confusion 2h. Two years ago, the patient developed symptoms of chills, obesity, fatigue, forgetfulness and snoring 2 years before admission. The patient was diagnosed as having severe obstructive sleep apnea syndrome by polysomnography and receiving nasal continuous airway Positive pressure ventilation (nCPAP). Because of the patient can not tolerate, a few days later