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在非心胸外科手术中,传统的充满变化指数 (PVI) 与彩虹PVI (RPVI) 的比较:一项回顾性研究
Chahyun Oh1, Chan Noh1, Sujin Baek1
1Department of Anesthesiology and Pain Medicine, Chungnam National University Hospital, College of Medicine, Chungnam National University, Daejeon, Korea.
彩虹变性指数 (RPVI) 显示出更好的相关性和精度比变性指数 (PVI) 评估流体状态. RPVI是一种有前途的非侵入性工具,用于在手术期间监测患者.
科学领域:
- 麻醉学和重症监护医学
- 心血管生理学心血管生理学
- 医疗器械和技术 医疗器械和技术
背景情况:
- 彩虹变性指数 (RPVI) 是变性指数 (PVI) 的新型多波长变体.
- 对于RPVI存在有限的临床数据,需要进一步调查其实用性.
- 这项研究旨在将RPVI和PVI与非心胸外科手术中的脉冲压变化 (PPV) 进行比较.
研究的目的:
- 评估RPVI和PVI在预测流体响应性的性能.
- 为了比较RPVI和PVI与侵入性PPV的相关性和一致性.
- 评估RPVI和PVI的诊断准确性,以识别高PPV.
主要方法:
- 在全身麻醉下进行非心胸外科手术的成年患者的回顾性分析.
- 同时监测RPVI,PVI和侵入性动脉压 (对于PPV).
- 统计分析包括重复测量相关性,布兰德-阿尔特曼分析和ROC曲线分析.
主要成果:
- 与PVI (r=0.243) 相比,RPVI与PPV (r=0.511) 的相关性更强.
- 布兰德-阿尔特曼分析表明RPVI的协议界限较窄,这表明精度更高.
- 在检测高PPV (>13%) 时,RPVI显示出优异的预测性能 (AUC=0.813) 与PVI (AUC=0.663) 相比.
结论:
- 在相关性,精度和高PPV的预测方面,RPVI比PVI表现优越.
- RPVI显示出作为在手术期间评估流体状况的非侵入性指数的潜力.
- 虽然不是PPV的替代品,但RPVI为血液动力学监测提供了一个有希望的替代方案.
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