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The value of non-invasive myocardial work indices derived from left ventricular pressure-strain loops in predicting the response to cardiac resynchronization therapy

机译:从左心室压力 - 应变环衍生的非侵入性心肌工作指数的价值在预测心脏再同步疗法的响应中

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摘要

Non-invasive left ventricular (LV) pressure-strain loops (PSLs), which are generated by combining LV longitudinal strain with brachial artery blood pressure, provide a novel method of quantifying global and segmental myocardial work (MW) indices with potential advantages over conventional echocardiographic strain data, which suffers from being load-dependent. This method has been recently introduced in echocardiographic software, enhancing the efficiency of MW calculations. This study aimed to evaluate the role of non-invasive MW indices derived from LV PSLs in predicting cardiac resynchronization therapy (CRT) response.
机译:通过将LV纵向应变与肱动脉血压组合产生的非侵袭性左心室(LV)压力 - 应变环(PSL)提供了一种量化全球和节段性心肌工作(MW)指数的新方法,其具有与常规的潜在优势超声心动图应变数据,其遭受负载依赖性。该方法最近在超声心动图软件中引入,提高了MW计算的效率。本研究旨在评估衍生自LV PSL的非侵入式MW指数在预测心脏重新同步治疗(CRT)响应中的作用。

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