Maximizing native arteriovenous fistulae rates in patients with diabetes mellitus. Is routine color Doppler vascular mapping in preoperative planning of value? Posted on February 28, 2019July 22, 2022 by admin LETTER Hippokratia 2016, 20(3):252 Giannikouris IE, Bacchini GM Department of Nephrology, Dialysis and Transplantation, Alessandro Manzoni Hospital, Lecco, Italy, Medifil AE, Hemodialysis Center, Peristeri, Attiki, Greece