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The Influence of Simplified Surgical Procedures on the Surgical Treatment for Atrial Fibrillation with using the Cut-and-Sew Technique  

Choi, Jong-Bum (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School)
Kim, Jong-Hun (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School)
Lee, Mi-Kyung (Department of Thoracic and Cardiovascular Surgery, Wonkwang University School of Medicine)
Lee, Sam-Youn (Department of Thoracic and Cardiovascular Surgery, Wonkwang University School of Medicine)
Kim, Min-Ho (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School)
Kim, Kong-Su (Department of Thoracic and Cardiovascular Surgery, Chonbuk National University Medical School)
Publication Information
Journal of Chest Surgery / v.41, no.3, 2008 , pp. 313-319 More about this Journal
Abstract
Background: The Cox maze-III procedure is considered as the most effective surgical treatment for atrial fibrillation. Because this procedure takes a long time and it complicates the concomitant cardiac surgery, some surgeons perform a left atrial maze procedure or pulmonary vein isolation only to reduce the operation time. This study was performed to evaluate how the modified procedures, with using cut-and-sew techniques, can influence the treatment of atrial fibrillation. Material and Method: Between Feb 1999 and June 2005, 40 patients (17 males and 23 females) with organic heart disease and atrial fibrillation underwent the Cox maze-III procedure (23), the left atrial maze procedure (10) or pulmonary vein isolation (7). The cut-an-sew technique was used to ablate the atrial wall, but cryoablation was used instead of the cut-and-sew technique for the coronary sinus and the inferior wall between the pulmonary vein and the mitral annulus. Result: After a mean follow-up period of $50.0{\pm}21.6$ months, all (100%) of the 23 patients who underwent the Cox maze-III procedure had regular sinus or atrial rhythm conversion, and 7(70%) of 10 with a left atrial maze procedure and 4(57.1%) of 7 with pulmonary vein isolation had regular sinus or atrial rhythm conversion (p=0.002). Conclusion: To obtain a high conversion rate from atrial fibrillation to a regular sinus rhythm or a regular atrial rhythm, the standard Cox maze-III procedure should be performed in both atria. The limited modified procedures like the left atrial maze procedure or pulmonary vein isolation may reduce the cure rate of atrial fibrillation.
Keywords
Arrhythmia surgery; Surgical procedures; Treatment outcome;
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