Why the study?
Does pacing at the true septal site compared to the anteroseptal site reduce paced QRS duration in patients with right ventricular septal leads?
Population
609 patients with leads implanted in the right ventricular septum
Comparison
Right ventricular pacing at the true septal site… vs Right ventricular pacing at the anteroseptal…
Design
Cohort
Authors
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True septal pacing was associated with shorter QRS duration; supports vector criteria for site optimization but remains hypothesis-generating.
Does pacing at the true septal site compared to the anteroseptal site reduce paced QRS duration in patients with right ventricular septal leads?
Fluoroscopic lateral view and QRS vectors in leads I and III can optimize right ventricular septal pacing by identifying true septal sites that significantly shorten paced QRS duration.
Kameník et al. (2011) studied this question.
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