Why the study?
Does right ventricular apical pacing compared to right ventricular outflow tract pacing cause left ventricular rotational dyssynchrony in patients with complete atrioventricular block?
Population
31 patients with complete atrioventricular block who underwent dual-chamber pacemaker implantation, and 10…
Comparison
Right ventricular apical pacing or right… vs Healthy controls (n=10)
Design
Cohort
Follow-up
15 months (RVOT) and 7 years (RVA)
Authors
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RVA pacing may induce rotational dyssynchrony; hypothesis-generating for RVOT benefits, should not yet change practice.
Does right ventricular apical pacing compared to right ventricular outflow tract pacing cause left ventricular rotational dyssynchrony in patients with complete atrioventricular block?
Right ventricular apical pacing induces left ventricular rotational dyssynchrony chronically, whereas right ventricular outflow tract pacing preserves synchronous rotation.
Hara et al. (2010) studied this question.
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