在心脏重症监护病房的最低平均动脉压和相关死亡结果
Parth S Patel1, Garima Dahiya2, Benjamin Hibbert2
1Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota, USA.
JACC. Advances
|January 22, 2026
概括
心脏重症监护病房中较低的最低平均动脉压 (minMAP) 与较高的死亡率有关. 这项研究强调严重的低血压是患者脆弱性的关键指标.
科学领域:
- 心脏病学 心脏病学
- 临界护理医学 临界护理医学
- 临床生理学 临床生理学
背景情况:
- 低血压是已知的死亡危险因素在重症监护.
- 关于最低平均动脉压 (minMAP) 预后值的数据有限,特别是在心脏严重疾病中.
研究的目的:
- 评估minMAP在心脏重症监护室 (CICU) 住院的最初24小时内预后意义.
- 确定不同级别的minMAP与患者死亡结果之间的关联.
主要方法:
- 从2007年至2018年,对成年ICU患者的回顾性分析.
- 用于定义minMAP组的分类和回归树模型.
- 多变量后勤和考克斯回归模型调整了混因子,以评估死亡风险.
主要成果:
- 在较低的minMAP和增加的死亡率之间观察到一个分级的,反向的J形关联.
- 患有minMAP <48 mm Hg的患者在住院和30天死亡率显著增加.
- 当minMAP在71至75毫米升之间时,观察到的死亡率最低.
结论:
- 较低的minMAP与急症监护室患者的较高死亡率逐渐相关.
- 严重的低血压,以低的minMAP表示,是患者脆弱性的关键生理标志物.
- 这些发现强调了在心脏重症监护机构监测minMAP的重要性.
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