机械通风对重症儿童呼吸道肌肉回声性的影响:一项观察性队列研究
Marloes M Ijland1, Jeroen L M van Doorn2, Axel Beukman3
1Department of Intensive Care Medicine, Radboud University Medical Center, Postbox 9000, Nijmegen, 6500 HB, The Netherlands. Marloes.ijland@radboudumc.nl.
BMC pediatrics
|July 3, 2025
概括
在重症儿童中,机械通风并没有增加呼吸道肌肉的回声性. 低设置的短期通风似乎不会导致呼吸肌肉的显著结构变化.
科学领域:
- 儿科重症监护医学 儿科重症监护医学
- 呼吸系统生理学 呼吸系统生理学
- 医学超声波成像医学超声波成像
背景情况:
- 呼吸道肌肉衰弱在重症儿童中很普遍,通常与结构性肌肉变化有关.
- 通过超声波评估的肌肉回声性作为骨肌肉结构变化的非侵入性指标.
- 了解这些变化对于在儿科重症监护中管理呼吸系统损害至关重要.
研究的目的:
- 与对照组相比,评估在儿童重症监护病房 (PICU) 住院的机械通风儿童的呼吸道肌肉回声性.
- 在机械通风过程中,评估呼吸道肌肉回声性随时间变化的情况.
- 探索呼吸道肌肉回声性与临床参数或结果之间的关联.
主要方法:
- 对机械通风儿童 (n=32) 和对照组 (n=13) 的前性纵向观察研究.
- 对隔膜和呼吸肌肉进行超声波分析,以检测回声效应,厚度和加厚分数.
- 收集临床数据,包括炎症标志物,液体平衡,蛋白质摄入量以及无通风日和死亡率等结果.
主要成果:
- 在PICU入院和对照中接受通风的儿童之间,呼吸道肌肉回声性没有显著差异.
- 经过四天的机械通风后,尽管个体之间存在差异,但没有观察到呼吸道肌肉回声性增加.
- 在回声性变化与肌肉厚度,加厚分数或临床结果之间没有发现相关性. 极好的观察者内部可重复性用于回声性测量.
结论:
- 在重症儿童中,四天的机械通风并没有导致呼吸道肌肉回声性增加.
- 研究结果表明,短期的机械通风,特别是中度病症儿童的较低设置,不会引起呼吸道肌肉的实质性结构变化.
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