【摘要】：正睡眠呼吸暫停低通氣綜合征(sleep apnea hypopnea syndrome,SAHS)是指每晚7小時睡眠過程中呼吸暫停反復(fù)發(fā)作30次以上,或睡眠呼吸暫停低通氣指數(shù)(apnea hyponea index,AHI)≥5次/h,并伴有嗜睡等臨床癥狀;其中,低通氣是指睡眠過程中口鼻氣流較基線水平降低≥30%并伴SaO2下降≥4%,持續(xù)時間≥10 s;或者是口鼻氣流較基線水平降低≥50%并伴SaO2下降≥3%,持續(xù)時間≥10 s[1]。SAHS可以分為中樞型、阻塞型及混合型,目前將后兩者統(tǒng)稱為阻塞型SAHS,臨床上最常見。正常成人阻塞性睡眠呼吸
[Abstract]:Positive sleep apnea hypopnea syndrome (sleep apnea hypopnea syndrome) refers to apnea more than 30 times during 7 hours of sleep per night, or (apnea hyponea hypopnea index (apnea hyponea index) 鈮，

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