Potential interest of alcoholic Chlorhexidine 2% to reduce the colonization of implanted catheters More recently, it is the antiseptic solution that has been the subject of several studies, including the latest on laying intravascular central catheters, highlights the superiority of alcoholic chlorhexidine 2% compared to povidone iodine alcohol [ 5]. Indeed, it was observed a reduction in the risk of bacterial infection 6 (RR 0 • 15, 95% CI 0 • 05-0 • 41) and of colonization by 5 (RR: 0.18 (95% Cl 0.13-0.24) through the use of alcoholic chlorhexidine with 2% applicator.