Why the study?
Does right ventricular pacing at different sites (septal vs apical) affect left and right ventricular deformation in patients with dual-chamber pacemakers without structural heart disease?
Population
73 patients who had undergone dual-chamber permanent pacemaker implantation and did not have structural…
Comparison
Right ventricular pacing at the septal site or… vs Patients without pacing after pacemaker…
Design
Cohort
Authors
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Should not yet influence pacing site selection; leaves open whether differential strain effects warrant randomized trials.
Does right ventricular pacing at different sites (septal vs apical) affect left and right ventricular deformation in patients with dual-chamber pacemakers without structural heart disease?
In patients without structural heart disease, septal pacing preserves LV strain but reduces RV strain compared to apical pacing, suggesting it may not be universally preferable.
Chen et al. (2013) studied this question.
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