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Abstract
Background: to evaluate the role and usefulness of Multislice CT angiography and color Doppler US in assessment of vascular tree of AVFs and comprehensive evaluation of possible shunt complications in ESRD patients on hemodialysis. Methods: Prospective analysis of vascular access related data were obtained from 30 patients (10 Male, 20 Female and age range 18-80 years) referred from hemodialysis unit in Cairo University hospitals for CTA and CDUS examination in upper limbs. All patients were examined to identify the different types of fistula shunt complications with Doppler indices (PSV, EDV and RI) and different 2D image reconstruction & 3D volume rendering techniques of CTA. Results: The majority of patients were female (66.7%) with male (33.3%). The majority of patients (16 patients) had brachio-cephalic fistulae (53.3%), 12 patients had a radio-cephalic fistula (40%), 1 patient had brachio-basilic fistula (3.3%) and 1 patient had a brachio-axillary synthetic graft (3.3%). The study showed 15 patients with shunt related complications; aneurysm 33.3% (10 patients) followed by venous thrombosis 23.3% (7 patients), and arterial steal syndrome 13.3% (4 patients), and finally venous hypertension 6.6% (2 patients)