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  • Title: [Intermediate-term complications and problems after endovascular aortic stent prostheses].
    Author: Umscheid T, Stelter WJ, Ziegler P.
    Journal: Zentralbl Chir; 2000; 125(1):7-14. PubMed ID: 10703161.
    Abstract:
    From August 1994 to December 1998 321 patients were treated with endovascular stentgrafts for aortic aneurysm exclusion in our hospital. Primary exclusion rate was 91% (primary leakage 8.7%) and hospital mortality was 3.7%. 6 different types of grafts were used, 5 of them commercially available. Midterm complications are due to configuration changes of the grafts, material deterioration, side branch reperfusion and changes in aortic morphology. The common pattern of clinical expression of these complications is secondary leakage (60 cases) and graft limb occlusion (37 occurrences in 30 patients). 50% of the secondary endoleaks have been treated up to now leaving the remaining patients under a thorough follow-up. Graft limb thrombosis was treated in all but three, well compensated, patients. Midterm results of the first commercially available endografts are not yet satisfying in contrast to conventional aortic repair. The recently available grafts are promising as they have a better kink resistance, no graft sutures and fewer modular components.
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