Surveillance and monitoring of early failing arteriovenous fistula using Doppler assessment in children on regular hemodialysis

Egyptian Journal of Radiology and Nuclear Medicine

Table 5 Association between the clinical examination results and CDU measurements

	Fistula diameter	Fistula PSV	Outflow diameter	Outflow PSV	Ratio of PSV
Aneurysm	0.502	0.120	0.003	0.422	0.055
Thrill	0.917	0.787	0.662	0.819	0.950
Bruit	0.713	0.650	0.914	0.746	0.650
Arm elevation test	0.138	0.777	0.041	0.028	0.018
Arm edema	0.791	0.245	0.837	0.220	0.536
Ischemic manifestations	0.600	0.400	0.133	0.933	0.533
Difficult needling	0.271	0.702	0.328	0.576	0.976
Prolonged bleeding	0.966	0.074	0.460	0.717	0.506
Dilated veins	0.600	0.897	0.226	1.000	0.897