title: [High frequency catheter ablation in young patients with permanent junctional reentry tachycardia and ectopic atrial tachycardia].
abstract: Ten young patients with a median age of 10.5 (range: 6 to 31) years suffering from the permanent form of junctional reciprocating tachycardia (PJRT; n = 7) and ectopic atrial tachycardia (AET; n = 3) were treated by transcatheter radiofrequency current application. Indications for interventional therapy were failure of medical therapy after a median of 3 antiarrhythmic drugs in all patients, syncope in 1, and impaired left ventricular function in 4 patients (PJRT n = 3, AET n = 1). The intervention was primarily successful in all patients. Median fluoroscopy time during the ablation procedure was 17 (10 to 70) minutes. A median of 3 (1 to 14) radiofrequency (500 kHz) pulses was delivered at a target temperature of 70 degrees C or with 30 W for 30 s. One patient had a recurrence of PJRT and was successfully treated by a repeat ablation. After a median follow-up of 14 (2 to 61) months, all patients are free of drug treatment and in normal sinus rhythm. Left ventricular function has normalized in patients with follow-up > 6 months. Radiofrequency catheter ablation was a safe and effective therapy in young patients with drug-resistant forms of chronic-permanent supraventricular tachycardia.
authors.affiliation: Abteilung Pädiatrische Kardiologie, Medizinische Hochshule Hannover.
authors.forename: R
authors.initials: R
authors.lastname: Bökenkamp
authors.forename: H
authors.initials: H
authors.lastname: Bertram
authors.forename: H J
authors.initials: HJ
authors.lastname: Trappe
authors.forename: I
authors.initials: I
authors.lastname: Luhmer
authors.forename: T
authors.initials: T
authors.lastname: Paul
mesh_terms: D000293:Adolescent; D000328:Adult; D017115:Catheter Ablation; D002648:Child; D015716:Electrocardiography, Ambulatory; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D008297:Male; D012008:Recurrence; D012086:Reoperation; D013612:Tachycardia, Ectopic Atrial / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery*; D013613:Tachycardia, Ectopic Junctional / Q000175:diagnosis / Q000503:physiopathology / Q000601:surgery*; D016896:Treatment Outcome
vernacular_title: Hochfrequenzstrom-Katheterablation bei jungen Patienten mit permanenter junktionaler Reentry-Tachykardie und atrialer ektoper Tachykardie.