左心室缩和心室外皮在中心的缩中
Andrew P Cesmat1, Abdul M Chaudry2, Suhani Gupta3
1University of North Carolina School of Medicine, Chapel Hill, NC, United States of America.
International journal of cardiology
|December 8, 2024
概括
左心室缩并不能独立地增加在中心脱落 (MVP) 中心室节律失常的风险. 密特拉结构和心力衰竭是MVP患者心律失常的关键驱动因素.
科学领域:
- 心脏病学 心脏病学
- 心脏电生理学 心脏电生理学
- 膜心脏疾病 膜心脏疾病
背景情况:
- 中心的缩 (MVP) 与心脏突然死亡有关,可能与心室质量增加有关.
- 左心室缩 (LVH) 作为MVP中心室失常的危险因素的作用尚不清楚.
研究的目的:
- 为了调查左心室缩 (LVH) 是否是一个独立的风险因素复杂或频繁的心室外 (cfVE) 在患有膜缩 (MVP) 的患者.
主要方法:
- 一项对629名MVP患者 (18-90岁) 的回顾性研究,这些患者接受了心声回声扫描.
- 声心图分析了LVH,心室尺寸,功能和中心病理.
- 室内节律失常被定义为通过心电图或门诊监测复杂或频繁的室内外皮 (cfVE). 进行了后勤和考克斯回归分析.
主要成果:
- 左心室缩 (LVH) 在22.4%的患者中存在.
- 患有LVH的患者表现出较高的cfVE流行率 (31.2%) 与没有 (17.8%) 相比.
- 对cfVE的独立预测因素包括:心肌环状断层,胆叶片脱落,心力衰竭,较低的射出分数,冠状动脉疾病和T波逆转. LVH不是一个独立的预测因素 (OR 1.22 [0.82-1.83],p=0.32).
结论:
- 左心室缩 (LVH) 不是一个独立的风险因素,心室节律失常在中心脱落 (MVP).
- MVP中的心律失常主要是由心心膜形态和心力衰竭的存在驱动的.
- 需要进一步研究,以阐明MVP患者心室质量增加的突然死亡风险背后的机制.
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