简单的方法来确定性休克患者的液体反应能力:潮尾CO2 - 一项前性观察性研究
Hüseyin Özkarakaş1, Oğuz Uçar1, Zeki Tuncel Tekgül1
1Department of Anesthesiology and Reanimation, University of Health Sciences, İzmir Bozyaka Training and Research Hospital, İzmir-Türkiye.
概括
在被动腿抬高 (PLR) 测试期间的潮尾二氧化碳 (ETCO2) 变化有效地预测了败血症休克患者的液体反应. 这种非侵入性方法为指导流体管理提供了复杂的心脏输出监测的可靠替代方案.
科学领域:
- 关键护理医学 关键护理医学
- 血液动力学 血液动力学
- 心肺生理学 心肺生理学
背景情况:
- 败血性休克时的流体管理非常关键,但具有挑战性.
- 优化血管内体积是血液动力学稳定的关键.
- 被动腿部提升 (PLR) 评估液体反应能力,但通常需要复杂的心脏输出监测.
研究的目的:
- 调查端潮二氧化碳 (ETCO2) 在预测PLR机动期间的流体响应性的灵敏度.
- 评估ETCO2作为一种非侵入性替代品,用于评估重症患者的液体状况.
主要方法:
- 败血性休克患者接受了PLR测试,心脏输出通过心声回声测量.
- 流体反应者被定义为心脏输出量的≥15%增加.
- 在PLR之前和之后记录了ETCO2,脉冲压变化 (PPV) 和其他血液动力学参数.
主要成果:
- 与没有反应者相比,在流体反应者中观察到ETCO2 (ΔETCO2) 的显著增加 (5.71%对2.57%,p<0.001).
- 在4%的值下,ΔETCO2预测流体反应率为85%的灵敏度和86%的特异性.
- ROC分析显示,DETCO2的曲线下面面积 (AUC) 为0.89,预测流体响应.
结论:
- 在PLR测试期间的ETCO2监测是败血症患者流体反应的敏感和特定指标.
- 这种方法为指导流体治疗提供了直接心脏输出测量的实用,非侵入性的替代方案.
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