Key result
Fast-slow AVNRT induced only by ventricular stimulation was associated with a lower incidence of antegrade dual AVN physiology compared to other induction methods (0% vs 71.1% and 92%, P<0.001).
Why the study?
What are the specific electrophysiological characteristics of patients with the fast-slow form of AVNRT that can be induced with only ventricular stimulation?
Population
1,497 patients with atrioventricular nodal reentrant tachycardia, including 106 with the fast-slow form and…
Comparison
Fast-slow form of AVNRT induced with only… vs Fast-slow form of AVNRT induced with atrial…
Design
Cohort
Authors
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Ventricular-only fast-slow AVNRT induction may signal absent antegrade dual physiology; leaves open distinct retrograde mechanisms pending prospective studies.
Observational (n=1,497)
What are the specific electrophysiological characteristics of patients with the fast-slow form of AVNRT that can be induced with only ventricular stimulation?
Absolute Event Rate: 0% vs 71.1%
p-value: p=<0.001
The mechanism of AVNRT stimulated only with ventricular stimulation differs between the slow-fast and fast-slow forms, characterized by distinct antegrade and retrograde dual AVN physiology.
Lee et al. (2006) conducted an observational in Atrioventricular nodal reentrant tachycardia (AVNRT) (n=1,497). Ventricular stimulation only vs. Atrial stimulation only or both atrial and ventricular stimulation was evaluated on Incidence of antegrade dual AVN physiology (p=<0.001). Fast-slow AVNRT induced only by ventricular stimulation was associated with a lower incidence of antegrade dual AVN physiology compared to other induction methods (0% vs 71.1% and 92%, P<0.001).
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