Time course of esophageal lesions after catheter ablation with cryothermal and radiofrequency ablation: implication for atrio-esophageal fistula formation after catheter ablation for atrial fibrillation.
作者： Kenneth Lauren Ripley , Andrew A Gage , Don B Olsen , John F Van Vleet , CHU‐PAK LAU
DOI: 10.1111/J.1540-8167.2007.00790.X
关键词: Esophageal Fistula 、 Esophageal ulceration 、 Radiofrequency ablation 、 Atrial fibrillation 、 Catheter ablation 、 Cryoablation 、 Surgery 、 Ablation 、 Medicine 、 Radiology 、 Esophagus
摘要: Background: Atrio-esophageal fistulas have been described as a consequence of radiofrequency (RF) ablation for the treatment atrial fibrillation (AF). However, whether cryoablation can avoid this potential fatal complication remains unclear. Methods and Results: We studied effects direct application RF on cervical esophagus in 16 calves. Cryoablation was performed with 6.5-mm catheter probe using single 5-minute freeze at 0.05). lesion width volume were significantly larger than Day 7. Although acute (Day 1) chronic 14) lesions comparable size, histologic evidence partial- to full-wall esophageal ulceration observed 0 44 (0%) cryoablation, compared 9 41 (22%) (P = 0.0025). Conclusions: Direct created similar dimensions esophagus. associated lower risk ulceration, ablation.
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