在儿科急性呼吸应急综合征中,机械功率和正常化机械功率
Farhan A R Shaikh1, Karthik N Ramaswamy2, Dinesh K Chirla1
1Department of Pediatric Intensive Care, Rainbow Children's Hospital, Hyderabad, India.
Frontiers in pediatrics
|February 1, 2024
概括
机械功率 (MP) 的正常化,特别是指数为呼吸顺应 (MPCRS) 的MP,对于预测儿科急性呼吸困扰综合征 (pARDS) 的结果至关重要. 营养不良严重影响这些关联.
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
- 机械通风机械通风机械通风
背景情况:
- 机械功率 (MP) 是呼吸机引起的肺损伤的一个关键因素.
- 对MP的正常化对于解释儿童发育变异至关重要.
- 了解MP在儿科急性呼吸窘迫综合征 (pARDS) 中的作用对于改善结果至关重要.
研究的目的:
- 为了研究机械能量 (MEBW),MP正常化为体重 (MPBW) 和MP正常化为呼吸合规性 (MPCRS) 与PARDS严重程度和结果之间的关联.
- 确定pARDS儿童死亡率和无呼吸器日的独立预测因素.
主要方法:
- 在压力控制通风上对185名患有pARDS的儿童 (1个月至18岁) 进行了回顾性研究.
- 使用贝切尔方程计算MP.
- 多变量后勤回归分析调整为年龄,儿科器官功能障碍得分,氧化指数和营养不良.
主要成果:
- 没有幸存者有更高的MEBW,MPBW和MP.
- MEBW最初与死亡率有关,但在调整为pARDS类型后,这并不独立.
- 1-4小时和24小时的MPCRS与没有呼吸机的日子有显著的相关性,与其他MP措施不同.
- 营养不良被确定为一个重要的混因素,MP在24小时后显示与调整后的死亡率有关.
结论:
- MP的正常化,特别是MPCRS,对pARDS结果更相关,而不是非正常化的MP.
- 营养不良是评估MP影响的关键混因素,特别是在资源有限的环境中.
- 需要进一步的研究来完善 MP 规范化策略用于儿科患者群体.
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