Patients, mean age 70 years, with automatic implantable cardioverter-defibrillators treated with dual-chamber rate responsive pacing (DDDR-70) have a higher mortality than patients with backup ventricular pacing (VVI-40) at 3.7-year follow-up.

Abstract

BACKGROUND One study showed in 506 patients with automatic implantable cardioverter-defibrillators (AICDs) that the mortality at 1-year follow-up was 6.5% with ventricular backup pacing at 40/minute (VVI-40) versus 10.1% in patients with dual-chamber rate responsive pacing at 70/minute (DDDR-70). METHODS We performed a retrospective study to determine all… (More)

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