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目的:探讨慢性阻塞性肺疾病睡眠低氧血症的影响因素。方法:选取我院2011年3月至2013年3月收治的慢性阻塞性肺病43例病人为观察组,统计其平均血氧饱和度、夜间最低血氧饱和度、睡眠时动脉血氧饱和度<90%的时间占睡眠时间百分比,与以同期40例肺功能正常者组成的对照组。结果:43例病人平均血氧饱和度、夜间最低血氧饱和度均低于对照组,睡眠时动脉血氧饱和度<90%的时间占睡眠时间百分比明显高于对照组。结论:慢性阻塞性肺疾病氧饱和度、夜间最低血氧饱和度、睡眠时动脉血氧饱和度<90%的时间占睡眠时间百分比均低于正常值,有不同程度的睡眠低氧血症的发生,需要积极治疗,及时观察,防止睡眠低氧血症的发生。
Objective: To investigate the influencing factors of sleep hypoxemia in chronic obstructive pulmonary disease. Methods: Forty-three patients with chronic obstructive pulmonary disease admitted to our hospital from March 2011 to March 2013 were selected as the observation group. The average oxygen saturation, the lowest oxygen saturation at night, the arterial oxygen saturation during sleep < 90% of the time the percentage of sleep time, and 40 cases of normal lung function over the same period the control group. Results: The mean oxygen saturation and nighttime oxygen saturation of 43 patients were lower than that of control group. The percentage of sleep time with arterial oxygen saturation <90% of sleep time was significantly higher than that of control group. CONCLUSIONS: The oxygen saturation of chronic obstructive pulmonary disease, the lowest nocturnal oxygen saturation, the percentage of arterial oxygen saturation <90% of the total sleep time during sleep are lower than the normal values, with varying degrees of sleep hypoxemia Occurs, need active treatment, timely observation, to prevent the occurrence of sleep hypoxemia.