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目的 :了解氧疗持续时间与慢性阻塞性肺疾病 (慢阻肺 )Ⅱ型呼吸衰竭 (Ⅱ型呼衰 )患者动脉血氧分压 (PaO2 )的关系。方法 :选择慢阻肺Ⅱ型呼哀患者 30例 ,每组 10例分别给予鼻导管吸氧 3天、一周、两周 ,并在氧疗前及氧疗后 2 4小时分别测动脉血气。结果 :三天组氧疗后PaO2 与氧疗前无显著差异 ;一周组氧疗后PaO2 较氧疗前提高 ;二周组氧疗后PaO2 较氧疗前明显提高。结论 :慢阻肺Ⅱ型呼吸衰竭患者以持续二周以上吸氧为宜 ,至少不应少于一周。
Objective: To investigate the relationship between duration of oxygen therapy and arterial partial pressure of oxygen (PaO2) in patients with chronic obstructive pulmonary disease (COPD) type Ⅱ respiratory failure (type Ⅱ respiratory failure). Methods: Thirty patients with chronic obstructive pulmonary disease Ⅱ were selected. Ten patients in each group were given nasal oxygen for 3 days, one week and two weeks respectively. Arterial blood gas was measured before oxygen therapy and 24 hours after oxygen therapy respectively. Results: There was no significant difference between PaO2 and oxygen therapy in the three-day oxygen therapy group. PaO2 in the first oxygen therapy group was higher than that in the second oxygen therapy group. PaO2 in the second oxygen therapy group was significantly higher than that in the second oxygen therapy group. Conclusion: COPD patients with respiratory failure for more than two weeks oxygen is appropriate, at least not less than a week.