Aim: This study evaluates the impact of monitoring a primary quality indicator and the effect of training on improving the care and maintenance of vascular access devices.
Design: A prospective, quasi-experimental, multicentre study with 10 periodical cross-sections from 2017 and 2020.
Participants: Adult patients hospitalised over 24 h, with or without vascular access device, excluding those in emergency, psychiatry, outpatients or minor surgery units.