Control arm (TT)
This group of nurses will benefit from a theoretical distance learning program that is based on the following:Rules of hygiene, asepsis, and operator protection, in accordance with good practice [27, 28]Optimal approach to the AVF: spotting, palpation, examinationEffective fixation of the catheterBasic principles of therapeutic communicationBasic principles of ultrasound and operation of the ultrasound machineUltrasound identification/guidance of the AVFAt the end of the training program, nurses will be evaluated with a minimum passing score of 90%. Otherwise, nurses have to repeat the program until they achieve a satisfactory score, according to the principle of “mastery learning”, within the time limit of 1 month after the start of the training. Immediate feedback will be provided.