<正>目的阻塞性睡眠呼吸暂停低通气综合征(obstructive sleep apnea hypoapnea syndrome,OSAHS)以上呼吸道阻塞引起的间歇性夜间低氧为特征。反复的氧饱和度降低与再次氧合即周期性的缺氧-氧合过程的发生,