Cardiac resynchronization therapy (CRT) improves functional capacity and survival in heart failure. However, one-third of patients fail to respond to CRT. Resting left ventricular (LV) dyssynchrony assessed by echocardiography (ECHO) showed discordant results in identifying CRT responders. LV dyssynchrony can totally change during exercise. Aim of this study was to evaluate whether exercise dyssynchrony could select responders to CRT.
Exercise stress echocardiography is superior to rest echocardiography in predicting left ventricular reverse remodelling and functional improvement after cardiac resynchronization therapy / Rocchi, G; Bertini, M; Biffi, M; Ziacchi, M; Biagini, E; Gallelli, I; Martignani, C; Cervi, E; Ferlito, M; Rapezzi, C; Branzi, A; Boriani, Giuseppe. - In: EUROPEAN HEART JOURNAL. - ISSN 0195-668X. - 30:1(2009), pp. 89-97. [10.1093/eurheartj/ehn483]
Exercise stress echocardiography is superior to rest echocardiography in predicting left ventricular reverse remodelling and functional improvement after cardiac resynchronization therapy.
BORIANI, Giuseppe
2009
Abstract
Cardiac resynchronization therapy (CRT) improves functional capacity and survival in heart failure. However, one-third of patients fail to respond to CRT. Resting left ventricular (LV) dyssynchrony assessed by echocardiography (ECHO) showed discordant results in identifying CRT responders. LV dyssynchrony can totally change during exercise. Aim of this study was to evaluate whether exercise dyssynchrony could select responders to CRT.
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