Elderly patients with end stage kidney disease represent a challenge for surgeons to create a vascular access. Determine predictive parameters functionality of the arteriovenous fi stulas for hemodialysis in the elderly. Th e study was organized as a retrospective study at the Center for Dialysis, Clinic for Urology and Nephrology, Clinical Center Kragujevac. Th e study included patients older than 65 years with arteriovenous fi stula thrombosis, in the period of four years, in which there is information on the length of the functioning fi stula. Th e study included 48 patients, mean age 71.3 ± 5.2 years, 29 (60%) men and 19 (40%) women. Th e data were analyzed according to gender and demographic structure, type of anastomosis, positioning, length of functioning fi stulas, and the lumen diameter of the arteries and veins that are used to create a fi stula. Th e median length of functioning arteriovenous fi stula, based on Kaplan-Meier model, is 16 months (95% CI 6.9- 25.1). Median functioning for proximaly located fi stulas was 24 months (range, 1-259), while median functioning in patient with distally located fi stulas was 8 months (range, 1-96). Th e diff erence in relation to the positioning of the fi stula was statistically signifi cant (p= 0.006). In univariate Cox regression model, a statistically signifi cant predictor of the functioning of arteriovenous fi stulae is fi stula positioning (B = 0.700; p = 0.022). Th e predictive parameter of survival of arteriovenous fi stulas in elderly is proximally located fi stula.
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