Abstract:BackgroundCardiac resynchronization therapy (CRT) is the recommended treatment by leading
global guidelines. However, 30%-40% of selected patients are non-responders.ObjectiveTo develop an echocardiographic model to predict cardiac death or transplantation
(Tx) 1 year after CRT.MethodObservational, prospective study, with the inclusion of 116 patients, aged 64.89
± 11.18 years, 69.8% male, 68,1% in NYHA FC III and 31,9% in FC IV, 71.55%
with left bundle-branch block, and median ejection fraction (EF) of 29%.
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