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  • Title: Conversion to open repair after endovascular aneurysm repair: causes and results. A French multicentric study.
    Author: Millon A, Deelchand A, Feugier P, Chevalier JM, Favre JP, University Association for Research in Vascular Surgery (AURC).
    Journal: Eur J Vasc Endovasc Surg; 2009 Oct; 38(4):429-34. PubMed ID: 19589700.
    Abstract:
    OBJECTIVE: To evaluate the causes and results of conversion to open repair after aortic aneurysm endovascular treatment (EVAR). DESIGN: Retrospective study of open conversion after EVAR was performed in eight French academic centres. Primary conversion (PC) within 30 days after EVAR and secondary conversions (SC) were analysed separately. RESULT: Between 1997 and 2007, open conversions were performed in 34 patients (most often in high-risk patients): 14 PC and 20 SC. Two main causes of PC were unfavourable iliac artery anatomy and renal artery coverage. In hospital mortality was 21%. SC occurred at a median of 44 months after primary EVAR. Nine were urgent cases for rupture or infection and 11 elective for aneurysm growth, infection or thrombosis. Early mortality was similar after emergent or elective SC (25%). CONCLUSION: Open conversion, and, in particular, PC and urgent SC, was associated with a poor outcome. According to the literature, mortality after elective SC is low but remains high in high-risk patients.
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