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  • Title: [Anatomical repair in transposition of great vessels].
    Author: Planché C, Lacour-Gayet F, Serraf A, Bruniaux J, Touchot A, Piot D, Losay J.
    Journal: Bull Acad Natl Med; 1998; 182(8):1739-53; discussion 1753-5. PubMed ID: 10188319.
    Abstract:
    Transposition of the great arteries (TGA) covers a wide range of anatomic variants involving not only the origin of the great arteries, but the intracardiac structures and the aortic arch. TGA can now benefit from complete anatomic repair, namely switch operation, performed in simple forms during the neonatal period. Accurate pre and intraoperative assessment must take into account the main anatomic features: relationship between the aorta and the pulmonary artery and coronary arteries distribution. Over the last sixteen years, 1,063 patients with TGA underwent anatomic repair in our institution. Among 728 patients with simple TGA, 92% were operated on within the first 2 weeks of life. Among 335 patients with complex TGA, all had a large VSD and 154 had additional anomalies. Among these 335 patients, 264 had one-stage complete repair and 71 had two-stage repair, at the beginning of our experience. In complex forms the main associated anomalies involved the ventricles (right ventricle hypoplasia (11), malaligned VSD (90), restrictive VSD (3), multiple VSD (43), the atrioventricular valves (straddling of the mitral or tricuspid valve (15), mitral valve anomalies (cleft or tissue tag, 4) and the aortic arch (coarctation [88], interrupted aortic arch (8)). The hospital mortality was 6.9% for simple TGA, 14.6% for complex TGA. Main causes of early death were failure in coronary artery relocation and pulmonary hypertensive crisis. Mean follow-up (95.5% of patients) was 49 months. Overall 16-year survival was 87.9%, 91.5% for simple forms and 80.4% for complex forms. Anatomic repair is nowadays the treatment of choice for TGA. Long-term results will depend on the evolution of the relocated coronary arteries and of the neo-aortic valve.
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