充血图变化指数和静脉压变化之间的相关系数作为ICU/OT中低血压患者的液体反应指标
Rashmi Datta1, Mridul Dhar2, Rangraj Setlur3
1MG (Med), HQ Delhi Area, India.
Medical journal, Armed Forces India
|January 23, 2024
概括
普莱斯变化指数 (PVI) 与静脉压变化 (SPV) 相对应,用于预测低血压患者的液体反应. 这种非侵入性PVI为管理低血压提供了可行的临床工具.
科学领域:
- 关键护理医学 关键护理医学
- 心血管生理学心血管生理学
- 医疗技术 医疗技术 医学技术
背景情况:
- 在低血压患者中预测液体反应是临床上具有挑战性的.
- 非侵入性的Pleth变性指数 (PVI) 是一种新的动态指标.
- 评估了其与流体响应性评估的黄金标准静脉压变化 (SPV) 的相关性.
研究的目的:
- 在机械通风的低血压患者中评估PVI和SPV之间的相关性.
- 确定PVI是否可以作为流体响应的可靠的非侵入性指标.
主要方法:
- 一项前性研究涉及100名机械通风的低血压患者.
- 在流体膨胀前后记录重要参数,SPV和PVI.
- 使用10%的SPV值来定义流体响应者和不响应者.
主要成果:
- 在基线PVI和SPV之间观察到显著的正相关性 (r=0.59,p<0.001).
- PVI与SPV有很好的一致性 (Bland Altman分析,平均偏差9.05).
- 一个PVI值>18%预测流体响应者与75%的灵敏度和67%的特异性 (AUC=0.78).
结论:
- 在PVI和SPV之间存在正相关性,支持PVI的实用性.
- 非侵入性PVI在临床使用中是合理的,用于控制低血压和指导流体治疗.
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