心脏骤停后的氧化代谢:与生存的模式和关联
Meredith G Shea1, Lakshman Balaji1, Anne V Grossestreuer1,2
1Center for Resuscitation Science, Department of Emergency Medicine, Beth Israel Deaconess Medical Center, 1 Deaconess Road, Rosenberg 2, Boston, MA 02215, USA.
Resuscitation plus
|June 3, 2024
概括
在自发循环恢复后的头12小时内,更高的呼吸交换比率 (RER) 与心脏骤停患者的更好的生存率有关. 这种代谢标志物可能为患者的治疗结果提供了洞察力.
科学领域:
- 关键护理医学 关键护理医学
- 心血管生理学心血管生理学
- 代谢监测 代谢监测
背景情况:
- 了解心脏骤停后的生存预测因素对于改善患者的治疗结果至关重要.
- 像VO2,VCO2和RER这样的氧化代谢标志物不是心脏骤停后生存的成熟预测因素.
- 早期的ROSC后代谢状态可能会影响患者的预后.
研究的目的:
- 调查氧气消耗 (VO2),二氧化碳产量 (VCO2) 和呼吸交换比率 (RER) 与医院出院后的生存率之间的关联.
- 为了确定自发循环 (ROSC) 恢复后早期代谢变化是否可以预测患者的存活率.
- 探索VO2,VCO2和RER在ROSC后的第一个12小时和24小时内和临床结果之间的关系.
主要方法:
- 一项前性观察性研究,包括患有ROSC的成人心脏骤停患者,需要机械呼吸和有针对性的温度管理.
- 在ROSC后的24小时内,对VO2和VCO2进行持续的非侵入性测量.
- 后勤回归分析以评估VO2,VCO2,RER和生存的计算AUC之间的关联,调整以温度,血管压缩剂和神经肌肉阻塞为准.
主要成果:
- 在VO2或VCO2的曲线下面积 (AUC) 和生存率之间没有发现显著的关联.
- 在ROSC后的最初12小时内,较高的RER显著与改善的生存率相关 (aOR = 3.97).
- 在前12小时中,中位数RER<0.7的患者的生存率明显较低 (25%),而RER≥0.7的患者 (67%).
结论:
- 在ROSC后的早期小时内RER升高与心脏骤停后更好的存活率有关.
- 在这种患者群体中异常低的RER值的临床意义需要进一步调查.
- 在心脏骤停后的患者中,RER可以作为预测存活率的潜在早期生物标志物.
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