在高血压中,心室 - 动脉合是从动脉速度脉冲指数与全球纵向应变比得出的
Lan Yang1,2, Xinyi Li1,3, Zhenyi Li4
1Department of Ultrasound, Jiading Branch of Shanghai General Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 201803, P.R. China.
American journal of hypertension
|June 30, 2025
概括
高血压会恶化心室动脉合 (VAC),这可以通过动脉速度脉冲指数/全球纵向应变 (AVI/GLS) 的比率来证明. 这种新的比率比传统的测量方法更敏感,用于检测高血压患者的早期心血管变化.
科学领域:
- 心血管生理学心血管生理学
- 生物医学工程 生物医学工程
- 临床高血压研究 临床高血压研究
背景情况:
- 室腔动脉合 (VAC) 对于评估心脏动脉关系至关重要.
- 高血压显著影响心血管功能和结构.
- 现有的VAC指数可能无法完全捕捉高血压的早期功能变化.
研究的目的:
- 用新的AVI/GLS比率来评估高血压中的VAC.
- 为了比较AVI/GLS比率与常规Ea/Ees指数在检测心血管损伤方面的灵敏度.
- 探索AVI/GLS比率与临床和心声学参数的关联.
主要方法:
- 心声学用于测量AVI,GLS,Ea,Ees,LVEF,E/A和E'在141名高血压患者和141名对照患者中.
- 计算了动脉硬度 (AVI) 与心肌变形 (GLS) 的比率.
- 进行了接收器操作特征 (ROC) 分析,以评估预测准确性.
主要成果:
- 与对照组相比,高血压患者的AVI/GLS比率明显较低 (p=0.001).
- 较低的AVI/GLS比率与年龄较大和较低的LVEF相关.
- ROC分析表明,AVI/GLS比率具有更高的灵敏度 (AUC=0.645) 预测高血压的早期心血管变化.
结论:
- 高血压与VAC受损有关,有效地通过AVI/GLS比率来识别.
- 在高血压患者的心血管功能区分方面,AVI/GLS比率显示出比传统的Ea/Ees指数更高的疗效.
- 需要进一步的研究来确定AVI/GLS比率在不同患者群体中的临床实用性.
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