Abstract
Background- In India, a 2018 estimate put the number of patients on chronic dialysis at about 175,000,giving a prevalence of 129 per million population. About two thirds of all patients with kidney failuredie without receiving dialysis every year. For the other third, the majority (64.2%) undergo renalreplacement therapy via hemodialysis. AV fistulas are the preferred method for vascular access forhemodialysis. This study describes the outcome of 634 AV fistulas created in our institute betweenJanuary 2015 and December 2020.Methods- 634 patients who underwent AV fistula creation in 5 years were retrospectively studied.Evaluation criteria were patency of AV Fistula at 1 week, 1 month, 6 months, 1 year and 2 years aftercreation; suturing technique- continuous versus interrupted, 6-0 versus 8-0 suture; end-to-side versusside-to-side anastomosis, mean operating time; duration of hospital stay; and complications- minorbleeding episodes, major bleeding requiring intervention, serous discharge, hyperaemia, upper limbswelling, aneurysm of anastomosis and recipient vein, delayed rupture.Conclusions- Patency rate of AV Fistula at 1 week was 91.2%, at 1 month was 84.6%, at 6 months was83.8% and at 1 year was 82.9%, after creation. After 2 years 74.8% AVF’s were still useful for dialysis.Factors affecting patency were location of anastomosis, low-dose Aspirin and regular dialysis
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