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  • Title: Late cure after radiofrequency catheter ablation in a pediatric patient.
    Author: Sarubbi B, D'Alto M, Calvanese R, Russo MG, Calabrò R.
    Journal: J Cardiovasc Med (Hagerstown); 2006 May; 7(5):356-61. PubMed ID: 16645415.
    Abstract:
    A 12-year-old female with the Wolff-Parkinson-White syndrome underwent an electrophysiologic study followed by radiofrequency catheter ablation of the left-lateral accessory pathway. After several unsuccessful attempts, the procedure was stopped because of early recurrence of accessory pathway conduction. Twenty-four hours after the procedure, the patient was found without ventricular pre-excitation pattern on the electrocardiogram. During a 12-month follow-up, the Wolff-Parkinson-White pattern was no longer present. A transesophageal electrophysiologic study showed no further tachycardia induction and the patient is still asymptomatic. This report raises the issue that ablation-induced lesions may evolve considerably during the first few days after ablation, leading to either recurrent accessory pathway conduction or long-lasting complete cure.
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