FP562ARTERIOVENOUS FISTULA USE AND PATENCY IN A CONTEMPORARY HAEMODIALYSIS POPULATION: A NATIONAL OBSERVATIONAL STUDY. (18th May 2018) - Stoumpos, Sokratis; Traynor, Jamie; Metcalfe, Wendy; Kasthuri, Ram; Stevenson, Karen; Mark, Patrick; Kingsmore, David; Thomson, Peter