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  • Title: [Circumferential pulmonary vein ostial isolation for atrial fibrillation guided by EnSite NavX three-dimensional electrophysiological mapping].
    Author: Tan HB, Yan XL, Wen XT.
    Journal: Nan Fang Yi Ke Da Xue Xue Bao; 2008 Jul; 28(7):1273-5. PubMed ID: 18676281.
    Abstract:
    OBJECTIVE: To investigate the efficacy and safety of circumferential pulmonary vein ostial isolation guided by EnSite NavX three-dimensional electrophysiological mapping in patients with atrial fibrillation (AF). METHODS: Thirty-eight patients with drug refractory paroxysmal or persistent AF underwent circumferential pulmonary vein ostial isolation and were followed up to investigate the efficacy and safety of the treatment. RESULTS: All cases reached the endpoint of the ablation, and both sides of the pulmonary vein were completely isolated, with an average procedure time of 200.4-/+37.0 min, X-ray exposure time of 54.7-/+9.7 min, and three-dimensional left atrial geometry reconstruction time of 27.5-/+7.5 min. During the follow-up for 9-/+3 months, the success rate of initial ablation was 89.5%, and the incidence of procedure-related complications were 7.9%. CONCLUSIONS: Circumferential pulmonary vein ostial isolation guided by EnSite NavX three-dimensional electrophysiological mapping can be effective and safe for AF treatment.
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