April 12, 2005Journal of Cardiovascular Electrophysiology
Simultaneous Dual Fast and Slow Pathway Conduction upon Induction of Typical Atrioventricular Nodal Reentrant Tachycardia: Electrophysiologic Characteristics in a Series of Patients
Population
125 patients selected from 461 consecutive patients with typical AVNRT submitted to radiofrequency catheter…
Design
Case-control
Authors
Discussion
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Implication
SDNC links to slower AV nodal conduction in AVNRT; hypothesis-generating for mechanisms and requires prospective validation.
Structured PICO
P
Population
125 patients (7 with simultaneous dual atrioventricular nodal conduction [SDNC] and 118 age-matched controls) selected from 461 consecutive patients with typical AVNRT submitted to radiofrequency catheter ablation.
C
Comparator
Age-matched controls without SDNC upon AVNRT induction
O
Outcome
Electrophysiological parameters including A-H interval, ventriculoatrial conduction effective refractory period, slow pathway conduction time, AVNRT cycle length, and rate of AVNRT induction from ventriclesurrogate
Simultaneous dual atrioventricular nodal conduction at AVNRT induction is a rare phenomenon associated with specific AV node conduction features resembling age-related modifications.
Cite This Study
Tomasi et al. (2005) studied this question.