Cryoablation of right-sided accessory pathways in children: report of efficacy and safety after 10-year experience and follow-up.
Europace
; 15(11): 1651-6, 2013 Nov.
Article
en En
| MEDLINE
| ID: mdl-23673973
ABSTRACT
AIMS:
The aim of this study was to report the 10-year experience of our Institution in cryoablation of supraventricular tachycardia due to a right accessory pathway (AP). METHODS ANDRESULTS:
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.Palabras clave
Texto completo:
1
Bases de datos:
MEDLINE
Asunto principal:
Taquicardia Supraventricular
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Criocirugía
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Fascículo Atrioventricular Accesorio
Tipo de estudio:
Diagnostic_studies
/
Observational_studies
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Prognostic_studies
/
Risk_factors_studies
Límite:
Adolescent
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Adult
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Child
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Child, preschool
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Female
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Humans
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Male
Idioma:
En
Revista:
Europace
Asunto de la revista:
CARDIOLOGIA
/
FISIOLOGIA
Año:
2013
Tipo del documento:
Article
País de afiliación:
Italia