左心室合指数,通过心声回声计测量心力衰竭与保存的喷射分数的心脏衰竭
Hai Nguyen Ngoc Dang1, Thang Viet Luong2, Hung Khanh Tran2
1Faculty of Medicine, Duy Tan University, Da Nang, 550000, Vietnam.
Scientific reports
|July 2, 2025
概括
左心房合指数 (LACI) 显示出作为早期心力衰竭 (HF) 检测的可访问的心声回声学标志物具有前途. 这项研究发现HF患者的LACI显著升高,特别是那些HFpEF患者,表明其诊断潜力.
科学领域:
- 心脏病学 心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 心脏衰竭诊断 心脏衰竭的诊断
背景情况:
- 心力衰竭 (HF) 是一个重大的全球健康挑战,需要改进的诊断工具.
- 目前的非侵入性成像通常侧重于单个心室 (左心室/左心室),可能错过了关键的室间动态.
研究的目的:
- 评估左心室合指数 (LACI) 作为心力衰竭 (HF) 的早期诊断标志物.
- 评估LACI的诊断性能,从健康对照和HFrEF患者中区分HF患者,特别是那些HFpEF患者.
主要方法:
- 一项涉及越南160名参与者 (60名HF患者) 的横截面研究.
- 对心声回声评估来计算LACI.
- 统计分析,包括多变量分析,以确定LACI的预测值.
主要成果:
- 与对照组相比,HF患者的LACI水平显著更高 (59.16±17.94%与13.15±3.92%相比).
- 在LACI中,HFpEF的诊断性能很强 (AUC为0.951),最佳值为33.07.
- LACI被确定为HFpEF的独立预测因子.
结论:
- 左心房合指数 (LACI) 是一种有价值和可访问的心声学参数,用于诊断心力衰竭,特别是HFpEF.
- 由于LACI能够反映心室之间的生理联系,这为早期HF检测提供了有前途的方法.
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