Crit Care:高频振荡通气对急性呼吸窘迫综合征儿童死亡率的影响

2020-02-03 xing.T MedSci原创

由此可见,采用HFOV与PARDS患者28天死亡率增加有关。

急性呼吸窘迫综合征(ARDS)成年患者使用高频振荡通气(HFOV)与较高的死亡率相关。尽管如此,HFOV仍经常被用作小儿急性呼吸窘迫综合征(PARDS)的抢救疗法。鉴于PARDS患者中使用HFOV的证据有限,近日,危重病医学领域权威杂志Critical Care上发表了一篇研究文章,研究人员假设与其他机械通气方式相比,HFOV与PARDS患者死亡率增加有关。

研究人员确定了2009年至2015年期间来自亚洲10个小儿重症监护室的PARDS患者,收集了有关流行病学和临床结局的数据。研究人员将HFOV患者与其他通气模式患者进行了比较。主要结局为28天死亡率,次要结局为28天无呼吸机天数(VFD)和不入住重症监护病房天数(IFD)。遗传匹配(GM)方法用于分析HFOV治疗与主要结局之间的关联。此外,研究人员进行了敏感性分析,包括倾向评分(PS)匹配、治疗权重的逆概率(IPTW)和边缘结构模型(MSM),以评估治疗效果。

该研究总共纳入了328名患者。在PARDS患者前7天,122/328(37.2%)名患者采用HFOV支持。HFOV组和非HFOV组之间的基线氧合指数(OI)有显著差异(分别为18.8 [12.0-30.2]和7.7[5.1-13.1];p<0.001)。GM方法共匹配了118对研究对象,发现HFOV与PARDS患者28天死亡率之间存在显著相关性[比值比为2.3、95%置信区间(CI)为1.3-4.4,p=0.01]。HFOV组和非HFOV组之间的VFD无关[均差为-1.3(95%CI为-3.4至0.9);p=0.29],但HFOV组的IFD明显降低[-2.5(95%CI为-4.9至-0.5);p=0.03]。从敏感性分析来看,PS匹配、IPTW和MSM均显示PARDS患者采用HFOV治疗效果一致。

由此可见,采用HFOV与PARDS患者28天死亡率增加有关。

原始出处:

Judith Ju-Ming Wong.et al.The impact of high frequency oscillatory ventilation on mortality in paediatric acute respiratory distress syndrome.Critical Care.2020.https://ccforum.biomedcentral.com/articles/10.1186/s13054-020-2741-x

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