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  • Title: Approach to vascular access for hemodialysis: experiences from the Republic of Macedonia.
    Author: Oncevski A, Dejanov P, Gerasimovska V, Polenakovic MH.
    Journal: Int J Artif Organs; 2002 May; 25(5):354-64. PubMed ID: 12074331.
    Abstract:
    Eight thousand eight hundred and forty nine different vascular hemodialysis accesses were performed in the period from 1976 until 1999 at the Department of Nephrology, Skopje: 3,114 native arterial-venous fistula (AVF), 715 arterial-venous shunts (AVS), 4,964 temporary or permanent catheters (4,411/88.86% femoral, 410/8.26% subclavian, 143/2.88% jugular) and 56 PTFE vascular grafts. Femoral catheterization (4,312/86.86%) is the favoured solution if a temporary vascular dialysis access is taken into consideration. The most popular chronic dialysis angio-access in our country is native AVF (90.5% of 3,440 permanent dialytic vascular accesses). The tunneled subcutaneously positioned catheters as a permanent dialytic angio-access were present in 270 cases (7.9%): 99 in femoral veins (our original method), 123 in subclavian veins and 48 catheters in jugular veins. The synthetic vascular grafts-PTFE (polytetrafluoro-ethylene) represent only 1.6% of all dialysis angio-accesses. The number of preventive AVFs created in patients with preterminal end-stage renal disease eventually increased; from 14% in the eighties, 20.8% after 10 years and 31.50% in 1999. Most of the preventive AVFs are done in outpatients 71.8% in 1999. This year 44.4% of all chronic vascular access were created in the same way. We prefer femoral catheters for both temporary and permanent access because our results show that femoral catheterization has a lower rate of early complications when compared to the subclavian catheterization group; the rate of late complications (thrombosis, stenosis, infections) is lower or the same; infections in femoral catheterizations are less frequent, compared to subclavian and jugular ones. Our contributions in the field of vascular access surgery are the three original methods which are constantly used at the Department: 1. Combination of temporary (AVS) and permanent vascular access (AVF) using the same blood vessels, performed in one surgical act; 2. Tunneled femoral catheter as a permanent vascular access for hemodialysis (2 types: on the abdominal wall and on the infrainguinal region - thigh); 3. Reduction of hyper-flow in AVF without the operation of "banding", with ligation of the artery before arteriovenous anastomosis.
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