左心房扩张指数用于预测心房的患者的缺血性中风
Jau-Wen Shiau1, Chao-Sheng Hsiao2,3, Shih-Hung Hsiao3
1Department of Mechanical Engineering, National Chung Hsing University, Taichung.
Acta Cardiologica Sinica
|January 24, 2024
概括
左心房扩张指数 (LAEI) 可以预测心房动 (AF) 患者的缺血性中风. 较低的LAEI值表明中风风险较高,使其成为一种有价值的诊断工具.
科学领域:
- 心脏病学 心脏病学
- 神经学 神经学
- 医疗成像医学成像
背景情况:
- 心房动 (AF) 是一种常见的心律失常,与缺血性中风的风险增加有关.
- 在AF患者中,中风的预测标记对于风险分层和管理至关重要.
- 左心房扩张指数 (LAEI) 在预测这些事件中的实用性仍然不清楚.
研究的目的:
- 研究左心房扩张指数 (LAEI) 在预测心房患者大脑缺血事件中的有效性.
- 在一组AF患者中确定LAEI和中风发病率之间的关联.
主要方法:
- 177名患有AF的患者接受了综合心声扫描来计算LAEI.
- 患者的平均随访时间为9.9年,以确定中风的发生 (缺血性中风,TIA).
- 进行了统计分析,包括多变量分析,以评估LAEI的预测值.
主要成果:
- 44名患者 (24.9%) 在随访期间发生中风.
- 较低的LAEI值与较高的中风发病率显著相关.
- 一个LAEI<35%表明77%的灵敏度和78%的特异性预测中风.
- LAEI是缺血性中风的独立预测因子 (HR 0.952每1%的增加,p < 0.0001).
结论:
- 左心房扩张指数 (LAEI) 是心房动患者缺血性中风的有价值和独立的预测指标.
- 通过心声学测量LAEI可以帮助识别高风险AF患者,这些患者可能会从更密切的监测或干预中受益.
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