Myocardial function reclassification: Echocardiographic strain patterns in patients with chronic Chagas cardiomyopathy and intraventricular dyssynchrony

Guilherme A T Athayde,Bruno C C Borges, Andreia O Pinheiro, Aline L Souza, Camila P Oliveira,Sérgio A M Martins,Ricardo A Teixeira,Sérgio F de Siqueira,Thomas Richard Porter,Wilson Mathias Júnior,Martino Martinelli Filho

International Journal of Cardiology（2022）

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摘要

•Myocardial mechanics behavior at exercise differentiate four groups of Chagas cardiomyopathy patients•Evaluation of IVD on exercise refines findings of baseline ventricular dyssynchrony•Evaluation of GLS (rest and exercise) can reclassify myocardial function identifying subgroups with contractile reserve•Even among patients with severe left ventricular dysfunction, there was a subgroup with contractile reserve

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关键词

Chagas cardiomyopathy,Ventricular dysfunction,Intraventricular dyssynchrony,Stress echocardiography

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