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氧气吸入治疗COPD简单夜间低氧症的预后价值:一个元分析
Ling Sun1, Ya-Fei Chang2, Yun-Fei Wang3
1Department of Respiratory and Critical Care Medicine, Fuyang Tumor Hospital, Fuyang, China.
氧气疗法可以改善慢性阻塞性肺病 (COPD) 患者的血液氧气水平,这些患者有夜间低氧症 (NOD). 然而,它并没有显著影响生存率或疾病进展.
科学领域:
- 肺部医学 肺部医学
- 呼吸系统护理 呼吸系统护理
- 临床研究 临床研究
背景情况:
- 氧气治疗对慢性阻塞性肺病 (COPD) 在患有夜间缺氧症 (NOD) 患者的预后的影响仍在争论中.
- 之前的研究已经产生了关于氧气治疗对这个患者群体的益处的有争议的结果.
研究的目的:
- 系统地评估现有文献,并对随机对照试验进行元分析.
- 评估氧气治疗对COPD患者的疗效和预后影响,COPD患者经历了简单的夜间低氧症.
主要方法:
- 在主要数据库 (PubMed,EMBASE,Web of Science,Cochrane,China HowNet,Wanfang) 进行了全面的文献搜索,截至2022年6月30日.
- 包括的研究集中在COPD患者简单的NOD,结果包括死亡率,疾病进展,肺功能和动脉血液气体结果.
- 使用元分析来评估聚合数据,评估出版偏见和异质性.
主要成果:
- 分析包括5项涉及621名患者的研究,没有显示显著的出版偏差.
- 氧气治疗没有显著影响整体死亡率 (RR = 0.87;95% CI: 0.58-1.31) 或进展到长期氧气治疗 (LTOT) 事件的风险 (RR = 1.07;95% CI: 0.76-1.51).
- 虽然氧气治疗显著改善了氧气 (PaO2) 的部分压力 (MD = 13.47; 95% CI: 3.49-23.46),但二氧化碳 (PaCO2) 的部分压力下降没有统计学意义 (MD = -10.05; 95% CI: -26.36-6.27).
结论:
- 氧气疗法有效地改善了COPD患者的血液氧化 (PaO2) 简单的NOD.
- 目前的证据表明,氧气治疗不会显著改变生存率或减缓疾病进展到LTOT.
- 对PaCO2水平的影响在统计学上并不显著,这表明对这个参数的影响有限.
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