在患有多变性心肌病的患者中,通过层特异的斑点跟踪回声心脏学评估右心室缩功能
Yuzhu Zhang1,2, Yupeng Wu3, Anxiang Sha1,2
1Department of Ultrasound, The People's Hospital of China Medical University, The People's Hospital of Liaoning Province, Shenyang, China.
Quantitative imaging in medicine and surgery
|February 11, 2026
概括
右心室 (RV) 缩功能在缩性心肌病 (HCM) 患者显著受损,特别是那些患有RV缩 (RVH) 患者. 层特异性菌株分析显示RV功能降低,与临床症状和心律失常相关.
科学领域:
- 心脏病学 心脏病学
- 心声回声扫描 (Echocardiography) 是一种心声回声扫描.
- 心血管成像 - 心血管成像
背景情况:
- 右心室 (RV) 功能异常在缩性心肌病 (HCM) 中至关重要,影响患者的预后.
- 评估RV系统功能,特别是层特异性菌株 (LSS),对于理解HCM至关重要.
- RV缩 (RVH) 是影响HCM的RV功能的一个重要因素.
研究的目的:
- 通过2D斑点跟踪回声心脏学 (2D-STE) 和LSS.评估心肌层的RV缩功能.
- 为了比较RVH和没有RVH的HCM患者的RV功能.
- 调查RV LSS与HCM中的临床参数之间的关系.
主要方法:
- 对102名HCM患者和50名健康对照者的横截面研究.
- 心声学评估包括常规,TDI和2D-STE.
- 将HCM患者划分为基于RV缩 (RVH) 的组.
主要成果:
- 与对照组相比,HCM患者在所有层显示RV全球纵向应变 (RVGLS) 和RV自由壁应变 (RVFWS) 显著减少.
- 与没有RVH的患者相比,患有RVH的HCM患者的RVGLS和RVFWS进一步减少.
- RV壁厚度,LV末缩体积指数和LVGLS与RV菌株参数相关. RV菌株也与胸痛,NYHA等级和心律失常相关.
结论:
- 通过RVGLS和RVFWS对心肌层进行评估的RV缩功能在HCM患者,特别是RVH患者中显著降低.
- 对RV功能的层特异性菌株分析可以识别患有症状和心律失常的高风险的HCM患者.
- 2D-STE衍生的LSS提供了对HCM的RV功能障碍有价值的见解.
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