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在6台装备有波形导向选项的风扇中进行异步的基准模型
Isabella Maria Bianchi1, Eric Arisi2, Marco Pozzi2
1Dr Bianchi is affiliated with Department of Anesthesia and Intensive Care Medicine, Papa Giovanni XXXIII Hospital, Bergamo, Italy; and Department of Clinical-Surgical, Diagnostic and Paediatric Sciences, Unit of Anaesthesia and Intensive Care, University of Pavia, Pavia, Italy.
Respiratory care
|February 19, 2025
概括
使用波形分析的新型呼吸器软件可以改善患者-呼吸器同步,特别是在阻塞性呼吸道疾病中. 然而,对于限制性呼吸形状,建议谨慎使用,因为一些呼吸机显示同步恶化.
科学领域:
- 机械通风机械通风机械通风机
- 呼吸系统的机械学
- 患者与呼吸机的相互作用
背景情况:
- 患者-通风器异步是压力支通风中的一个常见问题.
- 波形引导算法旨在通过检测呼吸活动来改善触发和循环.
- 这项研究评估了六台机械呼吸机上的波形引导软件.
研究的目的:
- 用波形引导软件评估六台机械通风机的同步性能.
- 将自动触发和循环与标准设置进行比较.
- 为了评估不同模拟的呼吸机制和努力的表现.
主要方法:
- 在六台呼吸机 (汉密尔顿G5,C6;IMT bellavista1000;Mindray SV300;Philips Respironics V200,V60) 上进行标准和波形导向设置的比较.
- 模拟了各种呼吸机制,辅助水平和患者的努力.
- 经过测试的通风机具有默认设置和波形引导自动化 (V60除外).
主要成果:
- 自动设置改善了B1000,G5,C6,V200的阻塞型的触发.
- 自动设置减少了B1000,G5,C6,V200的阻塞型的延迟循环.
- 异步指数 (AI) 随着B1000,G5,C6,V200的阻塞型的自动设置而下降.
- 在一些呼吸机 (B1000,V200) 的限制性配置中观察到恶化的循环和增加的AI.
结论:
- 基于波形的算法显示了增强患者-呼吸机同步的潜力.
- 自动化在模拟阻塞性呼吸道疾病中最有利.
- 由于同步的潜在恶化,需要对具有限制性呼吸谱的患者进行仔细考虑.
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