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目的 :探讨阻塞性睡眠呼吸暂停综合征 (OSAS)患者的左心功能与呼吸功能变化、肥胖的关系。方法 :选择 30例男性OSAS患者 ,行呼吸和左心功能、血气检查 ,之后用多导睡眠呼吸监测仪进行监测。结果 :OSAS患者呼吸和左心功能的相关分析提示PaO2 与左心室收缩末期内径相关 (r =0 .4 72 ,P<0 .0 1)。将患者按BMI <2 8和 >32分为两组 ,发现BMI高者低通气指数 (HI)和Dd明显升高 ,而PaO2 和睡眠时最低血氧饱和度 (minSaO2 )则显著降低 (P均 <0 .0 5 )。结论 :OSAS患者的HI、Dd、minSaO2 随BMI变化而变化 ,疾病程度越重 ,PaO2 、Dd、min SaO2 越低目的 :探讨阻塞性睡眠呼吸暂停综合征 (OSAS)患者的左心功能与呼吸功能变化、肥胖的关系。方法 :选择 30例男性OSAS患者 ,行呼吸和左心功能、血气检查 ,之后用多导睡眠呼吸监测仪进行监测。结果 :OSAS患者呼吸和左心功能的相关分析提示PaO2 与左心室收缩末期内径相关 (r =0 .4 72 ,P<0 .0 1)。将患者按BMI <2 8和 >32分为两组 ,发现BMI高者低通气指数 (HI)和Dd明显升高 ,而PaO2 和睡眠时最低血氧饱和度 (minSaO2 )则显著降低 (P均 <0 .0 5 )。结论 :OSAS患者的HI、Dd、minSaO2 随BMI变化而变化 ,疾病程度越重 ,PaO2 、Dd、min SaO2 越低
Objective: To investigate the relationship between left ventricular function and respiratory function and obesity in patients with obstructive sleep apnea syndrome (OSAS). Methods: Thirty male OSAS patients were selected for breath and left ventricular function and blood gas examination, and then monitored by polysomnography. Results: Correlation analysis of respiration and left ventricular function in patients with OSAS suggested that PaO2 was correlated with the end-systolic diameter of left ventricle (r = 0.42 2, P <0.01). The patients were divided into two groups according to BMI <2 8 and> 32, found that BMI and Dd were significantly increased, while PaO2 and sleep minimal oxygen saturation (minSaO2) were significantly lower (P <0 .0 5). Conclusion: The HI, Dd and minSaO2 of OSAS patients vary with the change of BMI, the more severe the disease is, the lower of PaO2, Dd and min SaO2. Objective: To investigate the relationship between left ventricular function and respiratory function in patients with obstructive sleep apnea syndrome Change, obesity relationship. Methods: Thirty male OSAS patients were selected for breath and left ventricular function and blood gas examination, and then monitored by polysomnography. Results: Correlation analysis of respiration and left ventricular function in patients with OSAS suggested that PaO2 was correlated with the end-systolic diameter of left ventricle (r = 0.42 2, P <0.01). The patients were divided into two groups according to BMI <2 8 and> 32, found that BMI and Dd were significantly increased, while PaO2 and sleep minimal oxygen saturation (minSaO2) were significantly lower (P <0 .0 5). Conclusion: The HI, Dd and minSaO2 of OSAS patients vary with the change of BMI. The more severe the disease, the lower the PaO2, Dd and min SaO2