Arteriovenous fistula outcomes in terms of one year patency rate and complications.

Abstract

Objective: To determine functional outcomes of arteriovenous fistula, its complications and patency rate for one year. Study design: Cross Sectional study. Setting: Department of Urology and Kidney Transplantation Pir Abdul Qadir Institute of Medical Sciences Gambat. Period: January 2020 to December 2020. Material & Methods: Patients with Chronic renal failure were selected using non-probability consecutive sampling technique. Patients candidate for CBRC arteriovenous fistula at wrist were selected and those requiring other vascular access were excluded from the study. Arteriovenous fistula were made by standard method and its function and patency rate was assessed for one year duration. Patients of both gender and any age were included. Results: Total 220 cases were enrolled into the study comprising on 57.3% male and 42.7% female cases. Mean age of patients was 59.4 ± 9.7 years. Most common arteriovenous fistula were radio cephalic in 61.8% cases. Fistula failure in first month was seen in 12.7% cases. Fistula patency rate was 79.1% after three months, 69% after six months and one year patency rate was 61.3%.  Most common cause of chronic renal failure was diabetes mellitus in cases. Most common fistula related complication was infection and burst fistula in cases. Conclusion: First six months after fistula formation are critical as one third fistula fail during this period. Most common risk factor of fistula failure is diabetes mellitus. Fistula failure was more common among women than men.