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  • Title: Endovascular management of pseudo-aneurysms after previous surgical repair of congenital aortic coarctation.
    Author: Marcheix B, Lamarche Y, Perrault P, Cartier R, Bouchard D, Carrier M, Perrault LP, Demers P.
    Journal: Eur J Cardiothorac Surg; 2007 Jun; 31(6):1004-7. PubMed ID: 17449268.
    Abstract:
    OBJECTIVE: Whatever the surgical technique used, false aneurysm formation is one of the long-term complications of repair of aortic coarctation. Conservative management is associated with a 100% rate of rupture. The conventional surgical approach is complex and associated with high morbidity and mortality rates. We report our experience of endovascular management of pseudo-aneurysms after previous surgical repair of congenital aortic coarctation. METHODS: Between October 2005 and 2006, stent-grafting of pseudo-aneurysms after previous surgical repair of congenital aortic coarctation was performed in four patients. Median age was 31.5 years (range: 24-38). Two patients had undergone two previous interventions. The last previous surgery consisted of graft interposition (N=2), subclavian flap aortoplasty (N=1) and aorto-aortic bypass (N=1). Median size of the pseudo-aneurysm was 31.5mm (range: 20-58). Mean time between the last surgery and endovascular treatment was 24 years (range: 3-32). One patient was treated emergently because of hemoptysis in relation with an aorto-bronchial fistula, the three other patients were treated electively. A transfemoral approach was used in all patients. The Zenith TX2 (Cook) thoracic stent-graft was used in all the patients, one patient underwent previous dilatation at the coarctation level. When present, the ostium of the left subclavian artery was always covered (N=3). RESULTS: No major complication occurred during the procedure and no patient died during the follow-up. One patient presented a type II endoleak which spontaneously healed during the first month. Another patient with his left subclavian artery covered presented claudication of the left arm requiring a carotid-subclavian bypass. After a median follow-up of 7.5 months (range: 1-12.9), the patients were asymptomatic and CT scans demonstrated complete exclusion of all treated postcoarctation aneurysms without recoarctation and without any stent-graft-related complication. CONCLUSIONS: The endovascular management of pseudo-aneurysms after previous surgical repair of congenital aortic coarctation is feasible. This approach was safe and effective. Long-term clinic and imaging follow-up is mandatory.
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