患有左心室过度曲解与垂直超性心肌病的患者的心脏形态和功能特征
Rachel Shatanof1, Sahil Ghay1, Rafle Fernandez2
1Department of Internal Medicine, Mount Sinai Medical Center, 4300 Alton Road, Miami Beach, FL, United States of America.
International journal of cardiology
|July 23, 2025
概括
左心室过度曲解 (LVET) 患者与阿皮卡高性心肌病 (ApHCM) 相比,表现出不同的心脏机制. LVET与左上心室纵向功能独立相关,即使保留了喷射分数.
科学领域:
- 心脏病学 心脏病学
- 心血管成像 - 心血管成像
- 心脏机械学 心脏机械学
背景情况:
- 左心室过度曲解 (LVET) 和阿皮卡高性心肌病 (ApHCM) 具有共同的遗传联系和左心室 (LV) 偏好.
- 在LVET和ApHCM之间的比较数据是有限的.
研究的目的:
- 为了比较 LVET 和 ApHCM 患者之间的心脏形态和功能特征.
- 在这些患者群体中确定与LV全球纵向应变 (GLS) 相关的因素.
主要方法:
- 对16名LVET和93名APHCM患者的回顾性分析,这些患者具有保存的LV射出分数 (LVEF).
- 使用2D和斑点跟踪回声心脏学来评估LV和右心室 (RV) 机制,包括GLS和峰值扭曲.
- 多变量线性回归确定了LV GLS的预测因素.
主要成果:
- 与ApHCM相比,LVET患者更年轻,主要是非洲裔美国人,患高血压和心房率较低.
- 与ApHCM相比,LVET显示出明显更好的LV GLS和较低的峰值LV扭曲.
- LVET独立地与更好的LV GLS有关,不管是肠隔膜厚度还是RV GLS.
结论:
- 在 LVET 和 ApHCM 患者之间存在心脏形态和功能的显著差异,这些患者具有保存的 LVEF.
- LVET独立地与增强的LV纵向力学有关,这表明了不同的病理生理机制.
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