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为了评价双水平正压（BiPAP）及高频通气对慢性阻塞性肺病（COPD）夜间低氧血症的作用及其效果，我们对1997年～1998年收治的26例COPD患者作夜间睡眠动态血氧饱和度（SaO2）测定，现报告如下。临床资料一、一般资料26例COPD急性发作期住院患者，男16例，女10例，平均年龄64．6
In order to evaluate the effect of double-level positive pressure (BiPAP) and high-frequency ventilation on nocturnal hypoxemia in patients with chronic obstructive pulmonary disease (COPD) and its effects, we studied nocturnal nocturnal perfusion in 26 COPD patients from 1997 to 1998 Oxygen saturation (SaO2) determination, are as follows. Clinical data First, the general information 26 cases of acute exacerbation COPD hospitalized patients, 16 males and 10 females, with an average age of 64.6