Why the study?
Does biventricular pacing or restoration of narrow QRS rhythm improve left ventricular function in infants with pacing-induced dilated cardiomyopathy?
Population
2 infants with AV block who developed dilated cardiomyopathy with severe septal to left ventricular…
Comparison
Biventricular pacing and spontaneous junctional… vs Baseline state.
Design
Case_series
Follow-up
4 weeks
Authors
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Should not yet change practice in infants with pacing-induced cardiomyopathy; hypothesis-generating for biventricular pacing or narrow QRS restoration.
Does biventricular pacing or restoration of narrow QRS rhythm improve left ventricular function in infants with pacing-induced dilated cardiomyopathy?
Electromechanical dyssynchrony from conventional right-ventricular-based DDD pacing can cause dilated cardiomyopathy in infants, which may be reversed by biventricular pacing or restoration of narrow QRS rhythm.
Janoušek et al. (2004) studied this question.
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