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Long-Term Results for Repair of Pulmonary Atresia with Intact Ventricular Septum  

Lee Chang-Ha (Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Sejong Heart Institute)
Hwang Seong Wook (Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Sejong Heart Institute)
Lim Hong Gook (Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Sejong Heart Institute)
Kim Woong-Han (Department of Thoracic and Cardiovascular Surgery, Seoul National University Hospital, Seoul National University College of Medicine)
Kim Chong Whan (Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Sejong Heart Institute)
Lee Cheul (Department of Thoracic and Cardiovascular Surgery, Sejong General Hospital, Sejong Heart Institute)
Publication Information
Journal of Chest Surgery / v.38, no.6, 2005 , pp. 403-409 More about this Journal
Abstract
Pulmonary atresia with intact ventricular septum is morphologically heterogeneous, and the surgical outcome remains suboptimal compared to other complex congenital heart defects. We evaluated the long-term results for repair of pulmonary atresia with intact ventricular septum, Material and Method: Between January 1992 and June 2004, 38 patients underwent repair of pulmonary atresia with intact ventricular septum. The average age was 18 days $(2\~382\;days)$. The average Z-value of the tricuspid annulus diameter was -3.1$(-5.6\~0.8)$. Thirteen $(36\%)$ patients had right ventricle-to-coronary artery fistulas, and $4(11\%)$ patients had right ventricle-dependent coronary circulation. Average follow-up was 55 months $(3\;months\~2.2\;years)$, Result: Twenty-four patients under-went initial right ventricle (RV) decompression and 14 patients underwent systemic-to-pulmonary arterial shunt only. The average size of the tricuspid annulus of the patients who underwent RV decompression was significantly larger than that of the patients who underwent systemic-to-pulmonary arierial shunt only (Z-value -2.2 vs. -4.8, p=0.000). There were $5(13\%)$ early and 1 late deaths. Early deaths occurred in 3 patients who had undergone RV decompression, and in 2 patients who had undergone systemic-to-pulmonary arterial shunt only (p=1.0). Biventricular repair was achieved in $12(32\%)$ patients, single ventricular repair in $8(21\%)$, and one and a half ventricular repair in $4(l1\%)$ patients. Nine $(24\%)$ patients are waiting for the definitive repair. Kaplan-Meier survival at 5 and 8 years was $83.2\%$, respectively. Conclusion: Most of the deaths occurred after the initial palliation. Overall long-term survival was satisfactory. Early mortality should be reduced with careful preoperative evaluation and proper surgical strategy.
Keywords
Pulmonary atresia; Coronary artery anomaly; Pulmonary arteries;
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