Why the study?
Does cardiac resynchronization therapy upgrading improve clinical outcomes and left ventricular function in heart failure patients with prior right ventricular pacing?
Population
38 consecutive patients with heart failure, prior continuous right ventricular pacing, absence of atrial…
Design
Cohort
Follow-up
6 months
Authors
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May aid dyssynchrony-guided selection for CRT upgrade; hypothesis-generating pending randomized outcome trials.
Does cardiac resynchronization therapy upgrading improve clinical outcomes and left ventricular function in heart failure patients with prior right ventricular pacing?
Upgrading to cardiac resynchronization therapy improves clinical and functional outcomes in heart failure patients with prior right ventricular pacing, with echocardiographic dyssynchrony serving as a strong predictor of response.
Laurenzi et al. (2007) studied this question.
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