التفاصيل البيبلوغرافية
| العنوان: |
Pulmonary root translocation in malposition of great arteries repair allows right ventricular outflow tract growth. |
| المؤلفون: |
da Silva, José Pedro, da Silva, Luciana da Fonseca, Lopes, Lilian Maria, Moreira, Luiz Felipe, Caneo, Luiz Fernando, Franchi, Sonia Meiken, Lianza, Alessandro Cavalcanti, Baumgratz, José Francisco, Duarte Flavio Magalhaes, Jefferson |
| المصدر: |
Journal of Thoracic & Cardiovascular Surgery; Jun2012, Vol. 143 Issue 6, p1292-1298, 7p |
| مصطلحات موضوعية: |
TRANSPOSITION of great vessels, PULMONARY artery, VENTRICULAR septal defects, PULMONARY stenosis, STRESS echocardiography, RIGHT heart ventricle |
| مستخلص: |
Objective: Optimal surgical treatment of patients with transposition of the great arteries (TGA), ventricular septal defect (VSD), and pulmonary stenosis (PS) remains a matter of debate. This study evaluated the clinical outcome and right ventricle outflow tract performance in the long-term follow-up of patients subjected to pulmonary root translocation (PRT) as part of their surgical repair. Methods: From April 1994 to December 2010, we operated on 44 consecutive patients (median age, 11 months). All had malposition of the great arteries as follows: TGA with VSD and PS (n = 33); double-outlet right ventricle with subpulmonary VSD (n = 7); double-outlet right ventricle with atrioventricular septal defect (n = 1); and congenitally corrected TGA with VSD and PS (n = 3). The surgical technique consisted of PRT from the left ventricle to the right ventricle after construction of an intraventricular tunnel that diverted blood flow from the left ventricle to the aorta. Results: The mean follow-up time was 72 ± 52.1 months. There were 3 (6.8%) early deaths and 1 (2.3%) late death. Kaplan-Meier survival was 92.8% and reintervention-free survival was 82.9% at 12 years. Repeat echocardiographic data showed nonlinear growth of the pulmonary root and good performance of the valve at 10 years. Only 4 patients required reinterventions owing to right ventricular outflow tract problems. Conclusions: PRT is a good surgical alternative for treatment of patients with TGA complexes, VSD, and PS, with acceptable operative risk, high long-term survivals, and few reinterventions. Most patients had adequate pulmonary root growth and performance. [ABSTRACT FROM AUTHOR] |
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