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Abstract
Cardiac resynchronization therapy (CRT) using biventricular pacing has been shown to be a beneficial therapy with left ventricular dysfunction and intraventricular conduction delay
It corrects dyssynchrony resulting from inter- and intraventricular conduction delay, thus counteracting its negative haemodynamic effect.
Tissue Doppler imaging (TDI) is used to assess mechanical dyssynchrony before attempting CRT and for post-therapy evaluation of the effectiveness of CRT.
Cardiac resynchronization through multisite ventricular pacing (MSVP) in the immediate postoperative period avoids some of the unwanted side effects of increasing doses of inotropic agents used to support cardiac function and reduces morbidity and mortality.