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KMID : 0364020130460020098
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Korean Journal of Thoracic and Cardiovascular Surgery
2013 Volume.46 No. 2 p.98 ~ p.103
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Efficacy of the Maze Procedure for Atrial Fibrillation Associated with Atrial Septal Defect
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Shim Hun-Bo
Yang Ji-Hyuk
Park Pyo-Won
Jeong Dong-Seop
Jun Tae-Gook
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Abstract
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Background: Atrial fibrillation (AF) is a common complication in elderly patients with atrial septal defect (ASD). The purpose of this study was to examine the efficacy of the maze procedure in these patients. Materials and Methods: Between February 2000 and May 2011, 46 patients underwent the maze procedure as a concomitant operation with ASD closure. Three patients who underwent a right-sided maze were excluded, and one patient was lost to follow-up. The mean follow-up duration was 3.2±2.5 years. Electrocardiography was performed 1 month, 3 months, 6 months, and 1 year after surgery, and checked annually after that. Results: AF persisted in 4 patients after surgery. One year after surgery, among 38 patients, 55.3% remained in sinus rhythm without antiarrhythmic drugs. However, when including the patients who took antiarrhythmic drugs, 92.1% were in sinus rhythm. Freedom from AF recurrence at 3 months, 6 months, 1 year, 2 years, 3 years, and 5 years after surgery were 97.4±2.6, 94.4±3.8, 91.2±4.9, 87.8±5.8, 79.5±7.6, and 68.2±12.4, respectively. There was no early mortality after operation. Conclusion: Concomitant treatment with the maze procedure and ASD closure is safe and effective for restoring the sinus rhythm.
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KEYWORD
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Arrhythmia surgery, Atrial fibrillation, Anti-arrhythmic agents, Congenital heart disease, Heart septal defects, Survival analysis
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