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机械通风的最佳策略:我们可以避免或减少肺损伤吗?
1Department of Neonatology, Emma Children's Hospital Amsterdam UMC, Amsterdam, The Netherlands.
肺部保护性通风策略对于使用机械通风的早产婴儿至关重要,以防止呼吸器诱导的肺损伤 (VILI) 和支气管肺功能障碍 (BPD). 量定向通风 (VTV) 和高频通风 (HFV) 是关键策略.
科学领域:
- 新生儿的呼吸系统支持.
- 儿科重症监护 儿科重症监护
- 肺部医学 肺部医学
背景情况:
- 对于早产婴儿来说,侵入性机械通风通常是必要的,尽管有非侵入性的选择.
- 机械通风带来了呼吸器诱导的肺损伤 (VILI) 的风险,这是支气管肺功能失调 (BPD) 发展的主要因素.
- 了解肺部保护性通风对于减轻BPD风险至关重要.
研究的目的:
- 突出肺部保护性通风策略在新生儿机械通风中的重要性.
- 讨论VILI的机制以及如何防止它们.
- 审查目前关于早产婴儿有效通风策略的证据.
主要方法:
- 对新生儿机械通风和VILI.现有文献的审查.
- 对VILI的风险因素的分析,包括过度膨胀,食和氧气毒性.
- 评估体积向通风 (VTV) 和高频通风 (HFV) 在减少VILI和BPD方面的有效性.
主要成果:
- 风险因素需要优化肺部体积,限制潮体积和减少氧气暴露的策略.
- 针对体积的通风 (VTV) 证明了在稳定潮体积,减少VILI和降低早产婴儿的BPD率方面的有效性.
- 高频通风 (HFV) 在减少BPD方面显示出适度但不一致的好处.
结论:
- 对新生儿肺生理和VILI的基本理解对于有效的机械通风至关重要.
- 目前的证据支持VTV和HFV作为实施肺部防护通风原则的主要方法.
- 可能需要进一步的研究来澄清VTV和HFV在异质肺病的婴儿中的益处.
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