Long term electrophysiological changes after partial atrioventricular nodal ablation in the dog

Long-Term Follow-Up After Catheter Ablation of Atrioventricular Nodal Reentrant Tachycardia in Children.

BACKGROUND Catheter ablation of the slow conducting pathway (SP) is treatment of choice for atrioventricular nodal reentrant tachycardia (AVNRT). Although there are abundant data on AVNRT ablation in adult patients, little is known about the long-term results ≥3 years after AVNRT ablation in pediatric patients. METHODS AND RESULTS Follow-up data from 241 patients aged ≤18 years who had underg...

Atrioventricular Nodal Gap in the Dog

This study confirms the facility with which the so-called 1, 2, 3, 4 phenomenon can be reproduced in intact dog hearts. When a series of three atrial premature beats (An A,, A4) were delivered following a constant A^A, drive, we demonstrated a narrow zone of A,-A, and A,-A, intervals in which A, conducted to the ventricles in the presence of A, bat not in its absence. We used His bundle and mul...

Atrioventricular nodal block with atrioventricular nodal reentrant tachycardia ablation.

Long term results of fast pathway ablation in atrioventricular nodal reentry tachycardia using a modified technique.

OBJECTIVE To assess immediate and long term success of "fast" pathway catheter ablation with graded use of radiofrequency energy in patients with classic atrioventricular nodal reentrant tachycardia (AVNRT) and evaluate clinical, procedure related, and electrophysiological features affecting long term results. DESIGN 31 consecutive patients with classic AVNRT at electrophysiological study, wh...

Cryoablation versus radiofrequency ablation for atrioventricular nodal reentrant tachycardia in children: long-term results.

INTRODUCTION Cryoablation is used increasingly for the treatment of atrioventricular nodal reentrant tachycardia (AVNRT). We sought to compare the long-term outcomes of cryoablation (Cryo) vs. radiofrequency (RF) ablation for the treatment of AVNRT in children. METHODS Two groups of consecutive patients were analyzed retrospectively: the RF group, 20 patients (60% males, mean age 13.25 +/- 2....