使用全球组织运动年位位移评估左心室纵向静脉功能,用于慢性严重大动脉吐患者
Alternative therapies in health and medicine
|April 6, 2024
概括
组织运动环状移位 (TMAD) 提供了一种更简单,更一致的方法来评估慢性大动脉吐患者的左心室缩功能. TMAD全球Midpt%与GLS和LVEF有很强的相关性,可能会在临床实践中取代GLS.
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.
- 心脏机械学 心脏机械学
背景情况:
- 慢性大动脉反 (AR) 触发了左心室 (LV) 的补偿性适应.
- 全球纵向LV菌株 (GLS) 检测到亚临床LV功能障碍,即使具有正常的LV射出分数 (LVEF).
- 组织运动环状移位 (TMAD) 是一种更简单的基于应变的方法,用于评估 LV 缩功能.
研究的目的:
- 研究TMAD参数,LVEF和GLS之间的相关性.
- 确定TMAD的诊断值和最佳值,以检测LV缩功能障碍.
主要方法:
- 前性单中心研究,将96名严重慢性AR患者与45名健康对照进行比较.
- 斑点跟踪回声心脏学 (STE) 评估了GLS和TMAD参数.
- 相关性分析和接收器运行特征 (ROC) 曲线评估了TMAD对LVEF<50%和GLS>-18%的预测值.
主要成果:
- 与GLS相比,TMAD表现出优越的观察者内部和观察者间一致性和较短的分析时间.
- 双飞机全球Midpt%显示与GLS (r=0.81) 和LVEF (r=0.74) 的相关性最高.
- 全球Midpt%实现AUC为0.89预测LVEF<50%和0.92的GLS>-18%. 在预测LVEF<50%和0.92的GLS>-18%.
结论:
- TMAD全球Midpt%显示出作为临床工具评估慢性AR的LV缩功能显著的潜力.
- 这一参数可能在例行心声学评估中为GLS提供更实用和可靠的替代方案.
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