心脏冲击患者的血压反应指数和死亡率:多中心回顾性队列研究
Xiaodong You1, Yi Zhu1, Zhongman Zhang1
1Department of Emergency Medicine The First Affiliated Hospital with Nanjing Medical University Nanjing China.
Journal of the American Heart Association
|August 29, 2025
概括
血压响应指数 (BPRI) 有效预测心脏性休克患者的死亡率. 这一指数有助于早期发现风险和临床决策,以改善患者的治疗结果.
科学领域:
- 危急护理医学
- 心血管研究
- 医疗信息学
背景情况:
- 血压响应指数 (BPRI) 是一种验证的工具,用于评估性休克时的心血管响应.
- 它在心脏性休克 (CS) 结果中的有用性和预测价值仍未得到充分研究.
研究的目的:
- 研究BPRI与CS患者住院死亡率之间的关联.
- 与现有的风险评分相比,评估BPRI的预测性能.
- 使用BPRI开发和验证一种新的CS死亡率预测模型.
主要方法:
- 来自MIMIC- IV和eICU- CRD数据库的CS患者数据的回顾性分析.
- 接收器操作特征 (ROC) 曲线分析,以评估住院死亡率的预测能力.
- 限制立方线和细分后勤回归来探索BPRI死亡率的关系.
- 开发和验证一个新的CS预测模型.
主要成果:
- 与SOFA,BOS和MA2分数相比,BPRI对住院死亡率的预测准确性更高.
- 在BPRI和住院死亡率之间观察到L型关联,截止值为2. 4.
- 基于BPRI的新型模型显示出强大的预测性能 (AUC=0. 799).
结论:
- 在CS的ICU患者中,BPRI是住院死亡的强有力的预测因素.
- 早期应用BPRI可以促进死亡风险预警,指导临床决策,并有助于风险分层.
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