This is the take-away message from the Echocardiography Guided Cardiac Resynchronization Therapy (EchoCRT) study published in the New England Journal of Medicine. The findings all but shut down hopes that the usefulness of CRT might be extended to HF patients without significant QRS prolongation who have echo evidence of ventricular dyssynchrony. The results reinforce the notion that, at least until new methods of assessment are developed, QRS width (with or without mechanical dyssynchrony) remains the primary determinant of response to CRT.
Friday 13 September 2013
This is the take-away message from the Echocardiography Guided Cardiac Resynchronization Therapy (EchoCRT) study published in the New England Journal of Medicine. The findings all but shut down hopes that the usefulness of CRT might be extended to HF patients without significant QRS prolongation who have echo evidence of ventricular dyssynchrony. The results reinforce the notion that, at least until new methods of assessment are developed, QRS width (with or without mechanical dyssynchrony) remains the primary determinant of response to CRT.
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