Radiofrequency catheter ablation for paroxysmal supraventricular tachycardia: a report of 135 procedures

Abstract

Using RF ablation cure of PSVT was achieved in 90% of patients. Cure of AVJRT was achieved in 95% (55/58) of patients using either fast or slow pathway ablation. Only one patient required permanent pacemaker implantation for Mobitz type I AV block following fast pathway ablation. The overall success rate for ablation of accessory pathways was 85%. There is an operator learning curve for this procedure suggested by the fact that the success rate for accessory pathway ablation at first attempt was 63% in the first 29 patients and 93% in the remaining 29. There was no significant morbidity or mortality during or after the procedure. In a mean follow-up of nine months in the patients with successful ablation only two patients with AVJRT had a recurrence of documented PSVT. Both these patients had successful repeat RF ablation. Catheter ablation using radiofrequency energy is an effective and safe therapeutic option for patients with symptomatic PSVT.

Management of Paroxysmal Supraventricular Tachycardia with Electrophysiology Study and Radiofrequency Ablation

“…[8] Toward its excellent prognosis, RFA has shown nearly zero incidences of PSVT episodes in the 1 st year of treatment. [9] The rare reoccurrence may be due to triggers like poor prognostic heart failure. Furthermore, the use of RFA leads to reduction of mortality rate due to arrhythmias by four to six folds AVNRT.…”

“…Furthermore, the use of RFA leads to reduction of mortality rate due to arrhythmias by four to six folds AVNRT. [9]…”