在腹腔镜外科手术期间评估机械通风模式,使用电阻断层扫描
1College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, China.
PloS one
|September 8, 2025
概括
在腹腔镜手术期间,压力控制通风-保证体积 (PCV-VG) 与体积控制通风 (VCV) 相比,提供了优越的肺部保护. PCV-VG改善了通风分布,减少了不均性,优化了患者的治疗结果.
科学领域:
- 麻醉学 麻醉学
- 呼吸系统生理学 呼吸系统生理学
- 医疗工程 医学工程
背景情况:
- 在腹腔镜手术期间最佳的机械通风策略尚不清楚.
- 电阻断层扫描 (EIT) 是监测肺机械的一个有价值的工具.
- 本研究解决了在这种情况下对通风模式进行比较分析的需要.
研究的目的:
- 为了比较压力控制通风-保证体积 (PCV-VG) 和体积控制通风 (VCV) 对肺通风的影响.
- 在腹腔镜手术期间使用EIT评估通风分布和不均性.
- 为了确定在手术期间肺部保护的更有效的通风模式.
主要方法:
- 采用了一个随机交叉研究设计.
- laparoscopic 周围手术期间被分为五个不同的阶段.
- 收集电阻断层扫描 (EIT) 数据并分析通风参数.
主要成果:
- PCV-VG导致平原和驱动压力较低,氧化指数高于VCV.
- PCV-VG显示了改善的通风中心,减少了全球不均性,并减少了区域通风延迟.
- 这些改善在PCV-VG手术阶段更为显著.
结论:
- 根据EIT的参数,PCV-VG和VCV之间存在显著的通风差异.
- PCV-VG有效地减轻了通风不均性和与腹腔镜手术相关的延迟.
- 在优化手术期间肺透气方面,PCV-VG证明比VCV更有利.
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