功能障碍是心力衰竭中突然心脏死亡的时间变化的风险预测因素
Yoshihiro Sobue1, Eiichi Watanabe1, Yusuke Funato2
1Department of Cardiology, Fujita Health University Bantane Hospital, Nagoya, Japan.
ESC heart failure
|June 10, 2024
概括
心力衰竭患者的突然心脏死亡风险可以通过将估计的膜过率 (eGFR) 添加到左心室喷射率 (LVEF) 标准来更好地预测. 这改善了充血性心力衰竭 (CHF) 患者突然心脏死亡 (SCD) 的风险分层.
科学领域:
- 心脏病学 心脏病学
- 腎臟病學 (nephrology) 是一種醫學.
- 公共卫生 公共卫生
背景情况:
- 心脏突然死亡 (SCD) 是患有充血性心力衰竭 (CHF) 的患者死亡的重要原因.
- 目前植入式心脏转移器除器 (ICD) 资格标准主要基于左心室喷射率 (LVEF) 和纽约心脏协会 (NYHA) 功能类别,可能需要重新评估,因为药理疗法的进步.
- 在有症状的CHF患者中,SCD的风险分层需要改进.
研究的目的:
- 重新评估和改善诊断为有症状的充血性心力衰竭 (CHF) 的患者突然心脏死亡 (SCD) 的风险分层.
- 为了研究估计膜过率 (eGFR) 与SCD风险的LVEF结合的预测值.
主要方法:
- 这是一项前性研究,涉及1676名连续患有NYHAII或III级心脏衰竭的患者.
- 2008年至2015年间收集的数据,主要终点是SCD.
- 统计分析包括调整的模型,以确定独立的风险预测因素,并评估eGFR的增量预测值.
主要成果:
- 在25个月的中位数随访期间,11.8%的患者患有SCD.
- SCD的独立预测因素包括eGFR<30毫升/分钟/1.73平方米 (HR 1.73) 和LVEF≤35% (HR 2.31).
- 将eGFR添加到LVEF显著改善了SCD预测,如C指数所示,净重新分类改进和综合歧视改进.
结论:
- 估计的淋巴细胞过率 (eGFR) 可以增强目前在CHF患者中SCD风险评估的资格标准.
- 对SCD的eGFR的预测能力随着时间的推移而减弱,在2年内显示出时间依赖的下降.
- 显著比例 (23%) 的SCD事件发生在出院后3个月内,突出显示监测的关键时期.
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