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Radiofrequency Catheter Ablation for Wolff Parkinson White Syndrome: A Single Center Retrospective Study

Backround: The purpose of the study was to report our experience with radiofrequency catheter ablation of accessory pathway in a military hospital of Rabat and to evaluate their short and middle-term clinical outcomes. Materials and Methods: This descriptive study was carried out in the Cardiac Electrophysiology Laboratory of our department, from January 2017 to June 2019. Radiofrequency catheter ablation was performed in 366 consecutive patients to interrupt the accessory pathway. Results: Most patients are symptomatic (93%). On ECG findings, 331 accessory pathways were overt (90%). The most frequent location of the accessory pathway was in the septum. Radiofrequency catheter ablation was used with an overall success of 89, 07% and a complication risk of complete Atrioventricular block in 3 patients and recurrence of preexcitation in 6,3% during 3 months of follow up. No death occurred. Encouraging results of publication of RF catheter ablation of AP should lead us to recruit more patients and extend our experience to other new techniques of ablation.