Key result
Retrograde (VA) 1:1 conduction was present in 47% of patients requiring pacemaker implant, including 67% with sinus node dysfunction and 14% with complete antegrade block.
Why the study?
Does measurement of atrio-ventricular and ventriculo-atrial conduction times during pacemaker implant prevent pacemaker mediated reentrant tachycardias in patients requiring pacemakers?
Population
53 patients undergoing pacemaker implant
Design
Cohort
Authors
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VA assessment at implant may guide dual-chamber programming to limit PMT; extends prevalence data but leaves open prospective outcome trials.
Observational (n=53)
Does measurement of atrio-ventricular and ventriculo-atrial conduction times during pacemaker implant prevent pacemaker mediated reentrant tachycardias in patients requiring pacemakers?
Measuring ventriculo-atrial conduction during pacemaker implantation allows for optimal programming of dual-chamber devices to prevent pacemaker-mediated tachycardias.
Hayes et al. (1983) conducted an observational in Patients undergoing pacemaker implant (n=53). Measurement of antegrade and retrograde (VA) conduction times was evaluated on Presence of VA 1:1 conduction. Retrograde (VA) 1:1 conduction was present in 47% of patients requiring pacemaker implant, including 67% with sinus node dysfunction and 14% with complete antegrade block.