Abstract | AIMS: METHODS AND RESULTS: Seventy-one cryoablations of right AP were performed between July 2002 and October 2011 in our Institution in 66 patients (mean age 12 + 3 years, 56% males). Acute procedural success rate was 97%: 80% in patients with concealed AP and 100% in those with manifest AP (P < 0.05). Acute procedural success rate was not related to institutional experience. No permanent complication occurred. Sixteen patients had recurrences during the follow-up (18.6 ± 6.6 months; range 3-111), 13 within the first month of follow-up, 2 within the 6 months of follow-up, and 1 within 12 months of follow-up. Cox regression showed that sex, patient age, number of delivered cryo-bonus, and presence of manifest or concealed AP are not independent predictors of procedural success. Among the 16 patients with recurrences, in 10 a cryoablation redo was successful and with no further AP recurrences. The mean fluoroscopy time was 28.4 min (range 19.7-44.6) with a significant decrease (P = 0.033) in relation to the increase of the institutional experience. There were no permanent ablation-related complications. CONCLUSION:
Cryoablation of right-sided AP is effective and very safe in children. Better results are achieved in manifest AP. The learning curve has a real impact in the attempt to reduce the fluoroscopy time.
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Authors | Fabrizio Drago, Daniela Righi, Silvia Placidi, Mario Salvatore Russo, Corrado Di Mambro, Massimo Stefano Silvetti, Monica Prosperi |
Journal | Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology
(Europace)
Vol. 15
Issue 11
Pg. 1651-6
(Nov 2013)
ISSN: 1532-2092 [Electronic] England |
PMID | 23673973
(Publication Type: Journal Article)
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Topics |
- Accessory Atrioventricular Bundle
(physiopathology, surgery)
- Adolescent
- Child
- Child, Preschool
- Cryosurgery
(adverse effects, methods)
- Female
- Fluoroscopy
- Follow-Up Studies
- Humans
- Learning Curve
- Longitudinal Studies
- Male
- Recurrence
- Regression Analysis
- Retrospective Studies
- Tachycardia, Supraventricular
(physiopathology, surgery)
- Time Factors
- Treatment Outcome
- Young Adult
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