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影像学检查在阻塞性睡眠呼吸暂停综合征中的应用 预览

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摘要 阻塞性睡眠呼吸暂停综合征(obstructive sleep apnea syndrome,OSAS)是一种发病率较高,具有潜在致死危险,易为人们所忽视的复杂疾病。儿童患病率大约为2%,成人发病率约为2%~4%,其特点是睡眠时打鼾、严重憋气。OSAS定义为由于睡眠时上气道阻塞引起反复呼吸暂停,出现低氧血症(TcPO2〈50mmHg)、高二氧化碳血症(PaCO2〉45mmHg),从而导致机体发生一系列的病理生理改变。
出处 《放射学实践》 2006年第4期 419-421,共3页 Radiologic Practice
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