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    Ablação da fibrilação atrial no Brasil: resultados do registro da Sociedade Brasileira de Arritmias Cardíacas
    (Sociedade Brasileira de Cardiologia - SBC, 2007-11-01) Fenelon, Guilherme [UNIFESP]; Scanavacca, Maurício [UNIFESP]; Atié, Jacob [UNIFESP]; Zimerman, Leandro [UNIFESP]; Magalhães, Luiz Pereira De [UNIFESP]; Lorga Filho, Adalberto [UNIFESP]; Maia, Henrique [UNIFESP]; Martinelli Filho, Martino [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    BACKGROUND: Aiming to define the profile of curative atrial fibrillation (AF) ablation in Brazil, the Brazilian Cardiac Arrhythmia Society [Sociedade Brasileira de Arritmias Cardíacas] (SOBRAC) created the Brazilian Registry of AF Ablation [Registro Brasileiro de Ablação da FA]. OBJECTIVE: To describe the results of this registry. METHODS: A questionnaire was sent to SOBRAC members asking about data on patients submitted to AF ablation between September 2005 and November, 2006. RESULTS: A total of 29 groups from 13 states completed the forms. Of these, 22 (76%) had performed AF ablations. Between 1998 and 2001, 7 groups (32%) initiated AF ablations and between 2002 and 2006, 15 groups began to perform them (68%). From 1998 to 2006, 2,374 patients were submitted to ablation, 755 (32%) of them during the registry period. Most (70%) were males and 89% presented with paroxysmal or persistent AF. Ancillary imaging methods (intracardiac echocardiography and electroanatomic mapping) were used by 9 groups (41%). During an average five-month follow-up period, total success was 82% and success without use of antiarrhythmic agents was 57%. Nevertheless, 35% of the patients required two or more procedures. There were 111 complications (14.7%) and 2 deaths (0.26%). CONCLUSION: Curative AF ablation has been increasing significantly in our country, with success rates comparable to international indexes, but often more than one procedure is necessary. Despite promising results, AF ablation still results in significant morbidity. Supplementary imaging methods have been used more and more in an effort to increase efficacy and safety of the procedure. These findings should be considered by public and private funding agencies.