Patency and Complications of Arterio-venous Fistula Created in Pre- and Post-dialysis Settings.

Objectives: To determine the difference in patency and complication rates of arterio-venous fistula (AVF) constructed in pre-dialysis versus post-dialysis settings.

Study Design: Descriptive study.

Place And Duration Of Study: The Department of Vascular Surgery, Shifa International Hospital, Islamabad from January 2014 to August 2020.