在高血压患者中,细分和全球心肌工作具有不同的左心室几何形状
Huimei Huang1,2, Liyun Fu1,2, Qinyun Ruan3,4
1Department of Ultrasound, the First Affiliated Hospital of Fujian Medical University, No.20 Chazhong Road, Fuzhou, 350005, China.
Cardiovascular ultrasound
|June 27, 2023
概括
在高血压中,心肌的工作最初会增加,以补偿早期的左心室重塑. 分段分析揭示了这种损伤如何分布,有助于理解高血压心脏病.
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.
- 心血管生理学心血管生理学
背景情况:
- 通过心声回声学评估的心肌功能是评估心脏功能的一种新方法.
- 高血压 (HT) 可以导致左心室 (LV) 几何和功能的改变.
研究的目的:
- 为了研究高血压患者的全球和细分心肌功能,具有不同的LV几何形状.
- 分析细分心肌工作对全球心肌工作的贡献.
主要方法:
- 心声图被用来获得纵向应变 (LS) 和心肌工作指数 (MWI,MCW,MWW,MWE).
- 125名高血压患者被分为正常几何 (NG),集中重塑 (CR),集中缩 (CH) 和异常缩 (EH) 组.
- 进行了后勤回归和ROC分析,以确定LV缩的预测因素.
主要成果:
- 全球纵向应变 (GLS) 在NG,CR,CH和EH组下降.
- 在CH和EH组中,全球浪费工作 (GWW) 增加,全球工作效率 (GWE) 减少.
- 在早期重塑 (NG,CR) 时,心肌垂体工作指数增加,但在缩 (CH,EH) 时降低,这表明它起到了补偿作用.
结论:
- 作为一种补偿机制,在早期的LV重塑中,心肌垂体工作可能会增加.
- 分段性心肌工作分析对于评估高血压患者的心肌功能障碍分布有价值,这些患者有不同的LV重塑阶段.
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