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KMID : 0364020070400120811
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Korean Journal of Thoracic and Cardiovascular Surgery
2007 Volume.40 No. 12 p.811 ~ p.816
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Surgical Treatment of Arrhythmias Associated with Congenital Heart Disease
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Hwang Ui-Dong
Seo Dong-Man
Yun Tae-Jin
Park Jeong-Jun
Lee Jae-Won
Im Yu-Mi
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Abstract
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Background: We analyzed our experience of arrhythmia surgery in patients with congenital heart disease.
Material and Method: A retrospective review was performed on 43 consecutive patients with congenital heart disease, who underwent arrhythmia surgery between June 1998 and June 2006.
Result: The median age at surgery was 52 years (4∼75 years). The most frequent cardiac anomaly was an atrial septal defect (23/43, 53.5%). The types of arrhythmias were atrial flutter-fibrillation, intermittent non-sustainable ventricular tachycardia and others in 37, 2 and 4, respectively. Arrhythmia surgery consisted of a bi-atrial maze operation in 18 patients (modified cox maze III procedure in 5 patients, and a right side maze plus pulmonary vein cryo-isolation in 13), right side maze operation in 18 patients, cavo-tricuspid isthmus cryoablation for benign atrial flutter in 4 patients, right ventricular endocardial cryoablation in 2 patients and extranodal cryoablation for atrioventricular node re-entry tachycardia in 1 patient. The median follow-up was 23.8 months (1∼95.2 months). There was no early mortality, and one late non-cardiac related death. The overall rates of restored sinus rhythm before discharge and 3∼6 months after surgery were 79% and 81%, respectively (bi-atrial maze group: 72% and 83%, right-side maze group: 77%, 77%).
Conclusion: Arrhythmias associated with congenital heart disease can be safely treated surgically with an excellent intermediate-term outcome.
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KEYWORD
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Arrhythmia surgery, Congenital heart disease, Ablation, Atrial fibrillation, Maze procedure
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