评估右和左心室变形分析在伊迪奥巴斯的右子分支区块由斑点跟踪心电回声学
Özden Seçkin Göbüt1, Burak Sezenöz1, Muhammet Küçükbardaslı1
1Cardiology Department, Gazi University Hospital, Yenimahalle, Ankara, Turkey.
Echocardiography (Mount Kisco, N.Y.)
|January 28, 2025
概括
异常性右束分支阻塞 (RBBB) 损害了心室功能,减少了心肌缩短和同步. 这项研究揭示了对左心室和右心室的微妙但显著的影响,挑战了RBBB无害的概念.
科学领域:
- 心脏病学 心脏病学
- 心脏电生理学 心脏电生理学
- 心血管成像 - 心血管成像
背景情况:
- 异常性右捆支部阻塞 (RBBB),通常被认为是良性的,越来越多地与不良的健康结果有关.
- 了解RBBB对心室功能的影响对于患者管理至关重要.
研究的目的:
- 为了评估和比较与健康对照对象相比,在患有异常性RBBB的患者中,右心室和左心室的缩功能.
- 研究RBBB对心肌变形和同步性的影响.
主要方法:
- 使用心声回声和2D斑点跟踪应变分析.
- 评估了传统的心声回声学参数和高级变形指数.
- 包括39名患有异常性RBBB的患者和35名健康参与者.
主要成果:
- 没有观察到LV和RV腔体尺寸或常规缩功能 (EF,FAC,TAPSE) 的显著差异.
- 患有异常性RBBB的患者显著减少了LV全球纵向应变 (GLS),RV GLS和肠隔膜纵向应变 (IVS LS).
- 在RBBB组中注意到LV和RV机械分散的损伤和LV扭矩的减少.
结论:
- 异常性RBBB显著影响心肌收缩性,这可以通过减少两个心室的纵向应变来证明.
- RBBB影响心室同步性,由增加的机械分散表明.
- 这些发现突出了与异常性RBBB相关的亚临床腹腔功能障碍.
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