在患有高血压的患者中,心肌功能变化与渐进的左心室缩
Jiali Fan1, Heng Wang1, Yuzhen Zhang2
1Department of Echocardiography Cardiology, The First Affiliated Hospital of Soochow University, Suzhou, China.
Journal of clinical hypertension (Greenwich, Conn.)
|July 15, 2024
概括
在高血压中,左心室缩 (LVH) 最初增加,然后心肌工作 (MW) 减少. 左心室质量指数 (LVMI) 超过151.39g/m2预测全球工作指数 (GWI) 和全球建设性工作 (GCW) 减少.
科学领域:
- 心脏病学 心脏病学
- 心血管生理学心血管生理学
背景情况:
- 左心室缩 (LVH) 在高血压 (HTN) 中很常见.
- 心肌工作 (MW) 提供了对心变形与后负荷的非侵入性评估.
- 对于HTN管理来说,了解不同程度的LVH的MW至关重要.
研究的目的:
- 为了研究高血压患者不同程度的LVH的心肌功能特征.
- 探索左心室质量指数 (LVMI) 与心肌工作的测量,包括全球工作指数 (GWI) 和全球建设性工作 (GCW) 之间的关系.
主要方法:
- 在255名HTN患者和26名对照组中进行了跨胸腔心声扫描.
- 根据LVMI,HTN患者被分为五分之一.
- 限制立方线分析了LVMI和MW参数 (GWI,GCW) 之间的关系.
主要成果:
- 与对照组相比,GWI和GCW最初在较低的LVMI量度中较高,没有统计学意义.
- 在最高的LVMI量度中观察到GWI和GCW的显著下降.
- 在LVMI和GWI和GCW之间发现了一个反转的U形关系.
- LVMI>151.39g/m2准确预测了GWI和GCW的减少 (AUC为0.90-0.92).
结论:
- 在高血压患者中,肌动脉工作最初会增加,然后随着 LVH 的进展而降低.
- 兆瓦参数为HTN的心脏功能评估提供了有价值的见解.
- 特定的LVMI值可以预测心肌功能的有害变化,有助于临床评估.
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