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  • Title: Proximal radial artery as inflow site for native arteriovenous fistula.
    Author: Bruns SD, Jennings WC.
    Journal: J Am Coll Surg; 2003 Jul; 197(1):58-63. PubMed ID: 12831925.
    Abstract:
    BACKGROUND: Most vascular surgeons favor an initial radial-cephalic anastomosis at the wrist for dialysis access when possible. As populations age and more chronically ill patients are offered dialysis, this native arteriovenous fistula (NAVF) is less frequently available. A brachial-cephalic anastomosis is generally considered to be the second choice for NAVF site. We report our experience in a series of patients where the proximal radial artery (PRA) serves as the primary inflow vessel. STUDY DESIGN: We reviewed 139 consecutive dialysis access operations performed by the senior author. One hundred fourteen had an NAVF constructed. Seventy-three of these procedures in 71 patients involved the PRA as arterial inflow and are the subject of this report. RESULTS: Mean age was 57 years. Thirty-six of the 71 were men. Seventy-one percent of the patients were diabetic and more than half had previous access surgery. Twenty-nine patients underwent preoperative ultrasonographic evaluation for feasibility and planning of the NAVF fistula. The 1-month patency rate for patients undergoing PRA fistula was 98%. Cumulative patency was 80% during the followup period of up to 42 months. No infectious or ischemic complications were noted during the study period. CONCLUSIONS: We find the anterior position and mobility of the PRA offers a simple and tension-free anastomosis to the median antebrachial vein or one of its tributaries. This anastomotic site frequently allows dialysis in both the forearm and upper arm. The PRA allows for adequate arterial inflow while avoiding the risk of steal syndrome found with brachial artery fistulas. More extensive procedures or use of prosthetic grafts can be avoided.
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