最终的潮CO2变化作为预测在全身麻醉期间显著的血压变化
Amorn Vijitpavan1, Kochakarn Luengwattanakit2, Kakanand Srungboonmee3
1Department of Anesthesiology, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Bangkok, Thailand. amorn.vii@mahidol.ac.th.
BMC anesthesiology
|November 11, 2025
概括
潮尾CO2 (EtCO2) 的变化可以可靠地预测麻醉患者的显著血压变化. 对EtCO2的±2 mmHg值有效地表明手术期间的血液动力学变化.
科学领域:
- 麻醉学 麻醉学
- 关键护理医学 关键护理医学
- 生理学 生理学 生理学
背景情况:
- 终潮CO2 (EtCO2) 当系统血管抵抗稳定时,可以反映心脏输出.
- 在手术期间,非侵入性血压监测通常是间歇性的.
- 需要持续的血液动力学替代体进行手术期间的监测.
研究的目的:
- 建立终潮CO2 (EtCO2) 变化值,以检测血压测量之间的血液动力学变化.
- 在间歇性非侵入性血压监测期间,评估EtCO2作为连续的血液动力学替代品.
主要方法:
- 120名患者 (ASA I-IV) 在全身麻醉和受控通风下进行的前性观察研究.
- 同时记录EtCO2和血压每3分钟.
- 对EtCO2 (ΔEtCO2) 的变化与静脉血压 (%SBP) 的百分比变化进行分析.
主要成果:
- 77.1%的测量表明血液动力稳定 (±10%的SBP变化).
- ΔEtCO2 ≥ 2 mmHg 准确预测的%SBP ≥ 20% (95.9%的灵敏度,97.7%的特异性).
- ΔEtCO2 ≤ -2 mmHg 准确预测的 %SBP ≤ -20% (94.7%的灵敏度, 97.3%的特异性).
结论:
- ±2 mmHg的ΔEtCO2值显示了对于显著的缩血压变化的诊断性能非常出色.
- EtCO2的变化可以作为麻醉期间血液动力学监测的宝贵工具.
- 未来的研究应该研究AI模型,将ΔEtCO2与其他参数集成,以加强血液动力学监测.
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