抽象的
我们研究的目的是评估鼻连续正气道压力(NCPAP)在睡眠呼吸暂停综合征(SAHS)和严重的慢性阻塞性肺部睡眠期间对睡眠期间的饮气道阻塞性发作和低血量症进行舒张疾病(COPD)。连续三个夜晚研究了10名患有症状患者和严重的COPD(预测的强迫呼气量<50%)。诊断多核桃摄影是第一个夜间进行,并在第二和第三个夜晚分别随着NCPAP水平的增加而没有补充氧气。诊断多重创新显示:平均值(SD)呼吸暂停症症索引41(22)赛事.H-1;平均动脉氧饱和度(SA,O 2)为86(2)%,并且平均去饱和Nadir在非快速眼运动(NREM)睡眠期间为81(4)%,分别期间分别为80(7)%和73(9)%REM睡眠。NCPAP在第二夜矫正Apnoeas和低钠癌症期间的应用,但平均SA,O2在所有患者中保持<90%。随着在次优NCPAP水平的1.5L.min-1的流动下添加氧气,我们观察到呼吸暂停频率的增加,在NCPAP水平下持续存在呼吸暂停,当没有施用补充氧气时消除它们,并且持续时间暂停低钾。 However, when the effective nCPAP level of the second night was reached with supplemental oxygen during the third night, its efficacy in eliminating apnoeas and hypopnoeas was maintained and, furthermore, all patients presented Sa,O2 > 90%, with no greater hypercapnia cardiac arrhythmias. We conclude that nasal continuous positive airway pressure with supplemental oxygen constitutes a practical therapeutic alternative for hypoxic patients with sleep apnoea-hypopnoea syndrome and chronic obstructive pulmonary disease.