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  • Title: [Arterial reoperation of the aorto-femoral segment].
    Author: Zakhariev T, Grozdinsky L, Stankev M, Kirilova K, Chirkov A.
    Journal: Khirurgiia (Sofiia); 2000; 56(2):10-3. PubMed ID: 11484278.
    Abstract:
    Late rethromboses of aortofemoral prostheses following arterial reconstructions for aortoiliac occlusive disease (AIOD) are among the serious challenges faced by vascular surgeons. Hyperplasia of the intima, progressive atherosclerotic process, as well as regional hemodynamics impairment are taken to be the major factors promoting late rethrombosis development after arterial bypass for AIOD. It is the purpose of the study to assay the underlying causes and terms of rethrombosis in aortofemoral bypasses for AIOD, and analyze the results of the arterial reoperation procedures used. Over the period 1990-1997, 408 aortofemoral bypass procedures are performed in the University Hospital "St Catherine", with rethrombosis of the prostheses occurring in 19.45 per cent of the branches within 5 years of the initial intervention. Five methods of reoperation are used, with optimal results--100 per cent patency of prostheses--attained in aortobifemoral re-bypasses. Nevertheless, this particular operative procedure is considered as practicable in isolated, properly selected, relatively young patients free of associated diseases. In adults or patients with health problems preference is given to rather simple procedures, if possible performed under regional anesthesia, such as thrombectomy of the prosthesis (TE) using a deep femoral artery patch and/or sequence distal bypass towards arteria poplitea. The latter method accounts for limb salvage in 97.14 per cent of cases. A satisfactory outcome (88.58% preserved limbs) is likewise secured by resection of the failing distal anastomosis, and its substitution for neobifurcation towards the unobstructed AFS and APF. In elder and/or poor health patients the application of cross-over and axillofemoral bypasses are also advisable.
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