COPD急性加重住院患者的步行速度与不良预后相关

2021-12-05 小文子 MedSci原创

4MGS是AECOPD患者1年内全因再入院和死亡率的独立危险因素。

4m步行速度测试(4MGS)是一种简单的身体机能指标,是老年人不良结局相关虚弱的替代指标。European Respiratory Journal杂志的一项研究评估了4MGS独立预测COPD急性加重(AECOPD)住院患者预后的能力。

研究纳入213例因AECOPD住院的患者(52%为男性,平均年龄72岁,FEV1%预计值为35%)。出院时记录4MGS和基线人口统计学数据。出院后一年内收集全因再入院和死亡率,并进行多变量Cox比例风险回归分析。Kaplan-Meier和竞争风险分析比较4MGS四分位数之间的全因再入院时间和死亡率。

111例患者(52%)再次入院,35例(16%)在随访期间死亡。多变量Cox比例风险回归分析,最终模型纳入4MGS、年龄、过去一年急性加重次数和Charlson共病指数。4MGS是全因再入院的独立预测因子,步行速度每增加0.1m/s,校正的原因特异性危险比为0.868(95%CI:0.799-0.943;p=0.001),校正的亚分布风险比为0.868(95%CI, 0.797-0.945;p = 0.001)。

多变量分析最终模型纳入4MGS、年龄、性别、BMI、FEV1%预计值和前一年急性加重次数。4MGS是全因死亡率的独立预测因子,步行速度每增加0.1 m/s,校正后的原因特异性风险比为0.740(95%CI:0.623-0.880;p=0.001),校正的亚分布风险比为0.747(95%CI:0.622-0.898;p = 0.002)。纳入4MGS的再入院和死亡率模型比年龄或FEV1%预计值具有更高的区分度,ROC曲线下面积分别为0.73和0.80。Kaplan-Meier和竞争风险曲线表明,步态速度较慢的四分位数患者的再入院时间和死亡时间均缩短(log rank, p<0.001)。

结果表明,4MGS是AECOPD患者1年内全因再入院和死亡率的独立危险因素,为医务人员计划出院后护理提供有价值信息。

原文出处:

Walsh JA, Barker RE, Kon SSC, et al. Gait speed and adverse outcomes following hospitalised exacerbation of COPD. Eur Respir J 2021; https://doi.org/10.1183/13993003.04047-2020.

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    2021-12-05 355366180

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