氧化位和长期认知和肺功能在低血压呼吸衰竭中的目标
Elena Crescioli1,2, Thomas L Klitgaard1, Jens Ø Riis3
1Aalborg University Hospital, Anaesthesia and Intensive Care, Aalborg, North Denmark Region, Denmark.
American journal of respiratory and critical care medicine
|September 8, 2025
概括
在重症监护室 (ICU) 降低氧气目标可能会损害肺功能,但不会影响急性低血压呼吸衰竭幸存者的认知结果. 这项研究比较了60mmHg和90mmHg的氧化目标.
科学领域:
- 临界护理医学 临界护理医学
- 肺部病理学 肺部病理学
- 神经科学是一个神经科学.
背景情况:
- 在重症监护室 (ICU) 的氧化目标存在临床困境,平衡较低目标的认知功能受损的风险与较高目标的潜在肺损伤.
- 了解不同氧化策略的长期后续效应对于优化严重疾病后患者的治疗结果至关重要.
研究的目的:
- 评估针对急性低血压呼吸衰竭的幸存者的认知和肺功能60mmHg与90mmHg的动脉氧气 (PaO2) 部分压力的一年效应.
- 确定ICU中的特定氧化策略是否会影响长期的神经和呼吸系统健康.
主要方法:
- 对ICU中的处理氧化目标和COVID-19试验中的处理氧化目标的二次分析包括1244名符合条件的ICU幸存者.
- 认知功能被评估使用可重复电池用于评估神经心理状态 (RBANS) 全球得分.
- 肺功能通过测量一氧化碳 (DLCO) 的扩散能力作为预测值的百分比,在ICU退院一年后进行评估.
主要成果:
- 通过RBANS全球得分来衡量认知功能,在低氧化 (平均78) 和高氧化 (平均76) 组之间是相似的 (调整后的平均差异:2;95%CI-2至6).
- 肺扩散容量 (DLCO) 在较低氧度组 (平均68%) 与较高氧度组 (平均73%) 相比显著较低 (调整后的平均差异:-5个百分点;95% CI -9至-1个百分点).
结论:
- 在ICU中以60mmHg相比90mmHg的PaO2为目标,在缺血性呼吸衰竭的幸存者中,在一年的认知功能中没有显著差异.
- 较低的氧化度目标 (60 mmHg) 可能与肺扩散能力在一年的随访中减少有关.
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