在接受控制通风的急性脑损伤患者中逆触发
Xu-Ying Luo1, Yi-Min Zhou1, Jianfang Zhou1
1Department of Critical Care Medicine, Beijing Tiantan Hospital, Capital Medical University, Beijing, China.
Journal of thoracic disease
|November 18, 2024
概括
急性脑损伤患者的逆触发 (RT) 与深度镇静和对齐的呼吸速率有关. 在0.1秒 (P0.1) 的闭塞压力有效地预测了呼吸堆叠.
科学领域:
- 关键护理医学 关键护理医学
- 呼吸系统生理学 呼吸系统生理学
- 神经学 神经学
背景情况:
- 反向触发 (RT) 是一种呼吸异步,在被动机械灌气过程中呼吸道肌肉激活.
- RT可能会恶化肺损伤,但其在急性脑损伤 (ABI) 患者中的发生情况尚不清楚.
- 这项研究调查了ABI患者的RT发生率和相关因素.
研究的目的:
- 确定急性脑损伤 (ABI) 患者逆触发 (RT) 的发生率.
- 在这个特定的患者群体中确定与RT相关的因素.
- 探索RT表型的特定呼吸机械参数的预测价值.
主要方法:
- 从控制机械通风的ABI患者的波形数据的回顾性分析.
- 通过气道压力,流量和食道压力波形来识别RT.
- 计算RT发病率作为RT呼吸与总呼吸的比率.
主要成果:
- 在53名患者中,RT发生在17.7%的数据集 (8.4%的呼吸) 中.
- 中期循环RT (61.1%) 是最常见的表型,其次是呼吸堆叠 (16.6%).
- 独立的RT预测因素包括阿片类药物/镇静剂的联合使用,降低镇静激发量 (SAS) 评分,降低气道三角压力和最小的呼吸速率差异. P0.1 预测的呼吸时间 (AUC 0.72).
结论:
- 深度镇静,较低的气道三角压力和同步的呼吸器/患者呼吸率与ABI中的RT有关.
- P0.1是呼吸堆叠的可靠预测指标,是一种特定类型的RT.
- 了解这些因素可以帮助缓解RT,并改善机械通风ABI患者的结果.
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