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Revista Uruguaya de Cardiología

versión impresa ISSN 0797-0048versión On-line ISSN 1688-0420


KEEGAN, Roberto et al. Catheter ablation of atrial fibrillation in Latin America: results of the first registry of the Latin American Society of Pacing and Electrophysiology Cardiac (SOLAECE). Rev.Urug.Cardiol. [online]. 2016, vol.31, n.1, pp.165-175. ISSN 0797-0048.

Summary  Objective: to evaluate the results of catheter ablation of atrial fibrillation (AF) in Latin America. Material and methods: the results (acute success, total complications and major complications) of ablation procedures of paroxysmal-AF (AF-P), Non-paroxysmal (AF-NP), and total FA (AF-P + AF-NP) included in the First Latin American Catheter Ablation Registry coordinated by SOLAECE were analyzed and the relationship of these results with the characteristics of the centers were established. Categorical variables were expressed as proportions and compared using the chi2 test. A P value of <0,05 was considered statistically significant. Results: AF was the fourth most frequently substrate treated with 1,649 procedures (11%). Of these, 1,161 were AF-P (70.4%) and 488 AF-NP (29.6%). The number of AF ablations per year was 30 or less in 46 centers (81%), 50 or more in 7 (12%) and 100 or more in five (9%). The per center procedures average was 26. The acute ablation success of total AF was 90%. No difference between acute ablation success of AF-P and AF-NP (88.9% vs 90.8%, P=NS) was observed. The total complications rate was 8.31%, and no difference between the two substrates was observed (AF-P 8.4% vs AF-NP 8.2%, P =NS). Major complications rate was 4.12%. The result of ablation (acute success and complications) was related mainly to the number of procedures performed by the center. Conclusions: the results of AF ablation in Latin America do not differ greatly from those observed in other places around the world. Features related to the characteristics of the centers, especially its experience, were directly related to the results, particularly complications. Those centers with high rates of major complications should re-examine its AF ablation programs to improve the safety of this treatment


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