ABSTRACT
Background: A Functional vascular access is the lifeline, for hemodialysis patients. Having an effective vascular access is a major supporter for dialysis adequacy and patient well-being; it is a vital determinant of dialysis ampleness and has critical implications for mortality rates and morbidity outcomes. A working arteriovenous fistula [AVF] is a significant determinant of adequacy of hemodialysis; yet nonfunctional AVF scontributing for hospitalization in hemodialysis patients. Learning about the probable complications of AVFs should add to their time detection and allow measures to be taken that may avoid harmful outcomes. This study was to assess AVF abnormalities by duplex U.S and to evaluate the impact of these abnormalities on dialysis adequacy
Patients and methods:78 patients with end stage renal disease [ESRD] on regular HD had their AVF assessed by duplex U.S and were studied as regard dialysis adequacy [Kt/v]and residual renal function [RRF] and also subjected to full history taking, clinical examination with focusing on AVF physical examination
Results: There was a significant positive correlation between access blood flow [Qa] and Kt/v, this confirms the importance of well-functioning non stenotic AVF in delivering adequate dialysis. Our data confirm a significant positive correlation between diabetes mellitus, hypertension, hyperlipidemia and hyperphosphatemia and AVF dysfunction.Thoug hour results showed no significant positive correlation between RRF decline and AVF dysfunction, the dual causal relationship between RRF decline and AVF stenosis might be existed