儿童睡眠呼吸障碍(sleep-disordered breath-ing,SDB)是发病率较高的一种睡眠障碍疾病。国外流行病学调查显示,儿童阻塞性睡眠呼吸暂停低通气综合征(OSAHS)的发病率在1%～3%,而儿童鼾症的发病率高达8%～12%〔1〕。学龄前儿童是SDB的高发人群,Owens〔2〕报道儿童睡眠呼吸暂停在 Sleep-disordered breath-ing (SDB) is a kind of sleep disorder disease with high incidence. Foreign epidemiological survey showed that children with obstructive sleep apnea-hypopnea syndrome (OSAHS) incidence of 1% to 3%, while the incidence of snoring children as high as 8% to 12% 〔1〕. Preschool children are high-risk groups of SDB, Owens 〔2〕 reported that children with sleep apnea in