低血压预测指数:侵入性和非侵入性压力输入之间的比较
Kamron Sarhadi1, Justin Hamman2, Jorge Avila3
1Department of Anesthesia & Perioperative Care, University of California, San Francisco, San Francisco, CA, USA.
BMC anesthesiology
|April 29, 2025
概括
低血压预测指数 (HPI) 显示了可比值和预测性能,无论是从侵入性还是非侵入性血压监测中获得的. 这一发现支持使用非侵入性方法来增强临床医生的信心和患者的结果.
科学领域:
- 麻醉学 麻醉学
- 临界护理医学 临界护理医学
- 心血管监测 心血管监测
背景情况:
- 低血压预测指数 (HPI) 有助于减少手术内低血压和手术前并发症.
- HPI可以从侵入性 (AcumenTM) 和非侵入性 (ClearSightTM) 血压计中获得.
- 这两个来源的HPI值之间存在有限的并发比较.
研究的目的:
- 使用侵入性和非侵入性血压输入来比较HPI值和预测性能.
- 提高临床医生对非侵入性血液动力学监测的信心.
- 通过可靠的非侵入性监测,探索扩展应用和改善患者的治疗结果.
主要方法:
- 同时采集血液动力学数据,使用两个带有HPI软件的HemoSphere监视器.
- 非侵入性 (ClearSightTM) HPI数据与侵入性 (AcumenTM) 数据的比较.
- 统计分析包括布兰德-阿尔特曼,斯皮尔曼相关性,一致性,ROC分析和HPI警报协议.
主要成果:
- 分析了36名患者的6862个配对数据点.
- 侵入性和非侵入性HPI值之间存在强烈的相关性 (r=0.76) 和一致性 (74%).
- 降低血压的预测性能类似 (侵入性AUC:0.883,非侵入性:0.860) 和高度警戒协议 (86.3%).
结论:
- 来自侵入性和非侵入性压力输入的HPI值是可比的.
- 无论压力来源如何,HPI对低血压的预测性能都是相似的.
- 这些发现支持非侵入性HPI监测的临床实用性.
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