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冠状动脉微血管功能障碍对功能性左心室重塑和扩张功能障碍的影响

Ali Aldujeli¹, Tsung-Ying Tsai^2,3, Ayman Haq⁴

¹Lithuanian University of Health Sciences Kaunas Lithuania.

Journal of the American Heart Association

|April 30, 2024

概括

冠状动脉微血管功能障碍 (CMD) 影响近30%的STEMI患者,导致心脏功能恶化和不良事件增加. 这项研究将CMD与腹功能障碍和STEMI后的左心室逆向重塑联系起来.

科学领域:

心脏病学心脏病学
心血管研究研究心血管研究
干预心脏病学干预心脏病学

背景情况:

冠状动脉微血管功能障碍 (CMD) 是ST段升高心肌梗塞 (STEMI) 后的一个已知的并发症.
在STEMI后,CMD与随后的功能性左心室重塑 (FLVR) 和腹功能障碍之间的关联仍未得到充分研究.

研究的目的:

为了研究CMD,左心室 (LV) 扩张功能障碍和STEMI患者的FLVR之间的关系.
在12个月的随访中评估CMD对主要不良心脏事件 (MACE) 的影响.

主要方法:

一项前性观察性研究,涉及210名STEMI和多血管疾病患者.
冠状动脉微血管功能在STEMI后3个月被评估,使用冠状动脉流量储备和微循环阻力指数.
根据这些微血管参数的具体值来定义CMD.

主要成果:

大约27%的患者在STEMI后3个月内发展出CMD.
患有心血管疾病的患者在12个月后与没有心血管疾病的患者相比,表现出明显较差的LV静脉缩功能恢复,较高的LV静脉缩功能障碍率 (73%对1%) 和不良FLVR.
肌痛性心血管疾病与 LV 扩张功能障碍和不良 FLVR 独立相关,并且与 MACE 发生率大幅增加相关 (50.9% vs 9.8%).

结论:

冠状动脉微血管功能障碍是STEMI后的一个普遍并发症,大约影响四分之一的患者.
肌痛性心脏病与不良的LV重塑,腹功能障碍以及在STEMI后12个月内发生重大心脏不良事件的风险增加显著相关.

关键词:

ST细分升心肌梗塞的心脏病发作心脏扩张性功能障碍心脏扩张性功能障碍冠状动脉的流量储备.冠状动脉微血管功能障碍微血管阻力指数微血管阻力指数左心室功能改造的功能改造通过皮肤进行冠状动脉干预.

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