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  • Title: Autogenous side-to-side brachial-basilic fistulas without vein transposition: a valuable option?
    Author: Lomonte C, Casucci F, Antonelli M, Losurdo N, Marchio G, Teutonico A, Libutti P, Basile C.
    Journal: Semin Dial; 2009; 22(2):194-8. PubMed ID: 19426428.
    Abstract:
    An autogenous brachial-basilic arteriovenous fistula (BBAVF) in the upper arm must be considered before placing prosthetic grafts in hemodialysis patients with multiple failures of forearm AVFs. The aim of this observational study was to compare technical and clinical outcomes of a new construction technique for BBAVF (n-BBAVF) with that of the standard one-stage side-artery to end-vein transposed BBAVF (t-BBAVF). A n-BBAVF is constructed in the following way: basilic vein and brachial artery are isolated. Patency of the proximal and distal vein is verified by injecting warmed (37 degrees C) saline solution. A venotomy and an arterotomy of 4-5 mm are performed. The two vessels are prepared for a side-to-side anastomosis without transposition of the vein. The latter allows both an antegrade and retrograde flow along the basilic vein, both proximally and distally to the anastomosis with more sites available for the venipunctures of the dialysis. Thirty BBAVFs were constructed as the secondary or tertiary vascular access in 30 patients over a 4-year period: 17 patients with adequate forearm basilic vein underwent the construction of a n-BBAVF; 13 underwent the construction of a t-BBAVF. The construction of a n-BBAVF requires a significantly lesser surgical time (55.0 +/- 9.0 minutes vs. 115.0 +/- 18.0, p < 0.0001), has fewer surgical complications (5.9% vs. 46.2%, p < 0.0001), and a reduced time to first use (24.5 +/- 6.3 vs. 37.7 +/- 9.1 days, p < 0.0001) than that of a t-BBAVF. n-BBAVFs showed a relatively low rate of thrombosis per patient-year at risk (0.067 at 1 year and 0.099 at 2 years). The latter was significantly lower at 1 year when compared with t-BBAVFs (0.067 vs. 0.285; p < 0.004). Our policy of "all AVFs should be autogenous" led us to the construction of a vascular access which is based on a side-to-side anastomosis between the brachial artery and the basilic vein without transposition of the vein allowing both antegrade and retrograde flow into the basilic vein. The results of this surgical technique appear satisfactory.
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