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  • Title: Extended end-to-end repair and enlargement of the entire arch in complex coarctation.
    Author: Vitullo DA, DeLeon SY, Graham LC, Eidem BW, Roughneen PT, Javorski JJ, Cetta F.
    Journal: Ann Thorac Surg; 1999 Feb; 67(2):528-31. PubMed ID: 10197683.
    Abstract:
    BACKGROUND: Treatment of hypoplasia of the entire arch in coarctation is a surgical challenge. The current approaches have technical difficulties, high recurrence rates, and increased morbidity and mortality. METHODS: Over a 14-month period, a combined extended end-to-end repair with patch enlargement of the concavity of the entire arch was performed in 6 neonates and 1 infant. Through a midsternotomy and using cardiopulmonary bypass and hypothermia, extended end-to-end repair was performed initially leaving the proximal anastomosis open. The enlarging polytetrafluoroethylene patch was then sutured starting at the incised descending aorta distal to the extended end-to-end repair and continued retrogradely through the transverse arch to the ascending aorta proximal to the aortic cannulation site. One neonate had a patent ductus arteriosus and another had ventricular septal defect closure. One neonate had arterial switch and 3 had Norwood-type procedures performed with the enlarging patch extended to the pulmonary artery anastomosis. The remaining infant had arch enlargement performed after an arterial switch procedure and extended end-to-end repair. RESULTS: All patients did well and showed no residual gradient up to 1 year follow-up. Two patients successfully had bidirectional Glenn shunt at 9 months of age, and one had closure of residual arterial septal defect at 8 months of age. CONCLUSION: The combined extended end-to-end repair and arch enlargement procedure should minimize recurrence rates because of a tension-free enlargement of the entire aortic arch and elimination of the coarctation ridge and ductile tissues. Combined with the arterial switch and Norwood-type procedures, the approach results in a large neoaorta.
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