This complaint is from a literature source.It was reported that one patient with symptomatic recurrent atrial fibrillation refractory to antiarrhythmic drugs in group b underwent radiofrequency ablation and developed a femoral artery tear requiring surgical repair, and an intramural oesophageal haematoma without evidence of atrio-oesophageal fistula at exploratory surgery, which resolved spontaneously without additional incidences.Navistar ablation catheters were used in this study, however catalog and lot number were unknown.Title: ¿cooled ablation reduces pulmonary vein isolation time: results of a prospective randomised trial.¿ the purpose of this study was to assess the efficiency of cooled ablation and standard 4 mm tip catheter ablation to achieve pv conduction block in patients with recurrent af.Thirty-six (36) patients were enrolled in this study.Study was conducted between october 2004 and june 2005.
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