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睡眠呼吸暂停综合征与冠心病的关系 被引量:2

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摘要 睡眠呼吸紊乱是指在睡眠结构、睡眠质量和睡眠中的气体交换的变异。由于睡眠时呼吸暂停、低通气和缺氧的反复发生,导致睡眠质量差,白天工作效率下降,并影响心、肺、脑、肾等多器官功能。睡眠呼吸暂停综合征(sleep apnea)是指睡眠中频繁的呼吸暂停及低通气,导致血氧失饱和、睡眠分裂及白天嗜睡。阻塞性暂停事件与上气道的完全或不完全闭塞有关,气流最终有严重的打鼾或觉醒恢复,当上气道完全阻塞,呼吸暂停达10s,即为呼吸暂停,当上气道部分阻塞而使气流幅度下降50%,同时有3%的血氧饱和度下降,为低通气。每小时睡眠中暂停和低通气的次数〈5为正常,5~15为轻度,16~30为中度,〉30为重度。睡眠呼吸暂停综合征常见的症状是夜间多有严重的习惯性打鼾,
作者 黄洁 梁雨露
出处 《中国心血管病研究》 CAS 2008年第2期136-138,共3页 Chinese Journal of Cardiovascular Research
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