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Author: search.filters.author.Aykan, Hayrettin HakanSubject: search.filters.subject.ablation

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    Is transesophageal electrophysiologic study valuable in children with successful radiofrequency ablation of supraventricular tachycardia on follow-up for recurrence?
    (TURKISH SOC CARDIOLOGY, 2016-01-01) Gulgun, Mustafa; Ozer, Sema; Karagoz, Tevfik; Akin, Alper; Aykan, Hayrettin Hakan; Ozkutlu, Suheyla; Alehan, Dursun; Celiker, Alpay
    Objective: The aim of this study was to evaluate the efficacy of transesophageal electrophysiologic study (TEEPS) for the determination of supraventricular tachycardia (SVT) recurrences in symptomatic and asymptomatic children after successful radiofrequency ablation (RFA) for SVT. Methods: A total of 66 patients who underwent TEEPS after successful RFA were included. The demographic features, symptoms of the patients, and the characteristics of the recurrences induced by TEEPS were evaluated. The arrhythmia types induced during RFA were compared with those induced by TEEPS in terms of the compatibility of the diagnosis. Results: Forty-two (63.6\%) girls and 24 (36.4\%) boys with a mean age of 11.8 +/- 3.4 years were followed-up for 44.1 +/- 15.7 months. The average time between RFA and TEEPS was 5.2 +/- 5.9 months. The diagnoses during RFA were atrioventricular nodal reentrant tachycardia (AVNRT) in 47 of 66 patients, atrioventricular reentrant tachycardia (AVRT) in 18 of 66 patients, and ectopic atrial tachycardia in 1 of 66 patients. SVT was induced by TEEPS in 2 of 25 symptomatic and 5 of 41 asymptomatic patients. The SVT inducibility rate was 5.5\% (1/18) and 12.7\% (6/47) in patients with AVRT and AVNRT, respectively. In addition, 85.7\% (6/7) of all recurrences occurred within 3.5 months. The recurrences as AVNRT in 2 of 25 symptomatic patients occurred in the first month after RFA. AVNRT in 4 of 41 and AVRT in 1 of 41 asymptomatic patients were induced within 3.5 months and 15 months, respectively. Conclusion: TEEPS seems to be a valuable screening and diagnostic method for the determination of recurrence in symptomatic and asymptomatic children who underwent successful RFA.