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目的 将可携带血氧仪与多导生理记录仪监测结果对比，探讨对睡眠呼吸暂停综合征（ＳＡＳ）的初筛和确诊的临床应用价值。 方法 以睡眠呼吸紊乱指数（ＡＨＩ）和最低血氧饱和度为标准将患者分为非ＳＡＳ组与轻度、中度、重度ＳＡＳ组，同时进行多导生理记录仪和血氧饱和度监测。 结果 ＡＨＩ与氧减饱和指数（ＤＩ４）相关性好，诊断标准以ＤＩ４≥５ 时，敏感性９１．８％ ，特异性８１．３％ ；ＤＩ４≥２０ 时，特异性９８％ ，敏感性６９．４％ 。 结论 选用血氧仪ＤＩ４ 和ＳＩＴ９０指标对初筛或判断ＳＡＳ患者夜间缺氧和病情严重程度具有一定价值。
Objective To compare the monitoring results of portable oximeter with multi-channel physiology recorder to explore the clinical value of screening and diagnosing sleep apnea syndrome (SAS). Methods The patients were divided into non-SAS group and mild, moderate and severe SAS group according to AHI and minimum oxygen saturation index. At the same time, multi-channel physiology recorder and oxygen saturation monitoring were performed. Results The correlation between AHI and oxygen desaturation index (DI4) was good. The sensitivity and specificity of AHI were 91.8% and 81.3% respectively when DI4≥5. The sensitivity and specificity of AHI were 98% and 61%, respectively. 4%. Conclusion The use of oximetry DI4 and SIT90 indicators of screening or to determine the night of SAS patients with hypoxia and severity of the disease has a certain value.