“…The evidence from one randomized trial of catheters demonstrated that the addition of a silver-impregnated cuff to the standard central catheter did not identify a significant difference in catheter-related Type of catheter Johansson et al, 2004Cortelezzi, A. et al, 2003Biffi et al, 2001Minassian et al, 2000Bow et al, 1999Warner et al, 1996Mueller et al, 1992Eastridge & Lefor, 1995Carde et al, 1989Gleeson et al, 1993Kappers-Klunne et al 1989Raad et al, 1993Pegues et al, 1992Pasquale et al, 1992 infection. While there is evidence that catheters treated with chlorhexidine-silver sulfadiazine was effective, reducing blood stream infection rates in short-term non-tunnelled venous access devices, the benefit is restricted to the first eight days, and does not continue when the average insertion time exceeds eight days (Walder, Pittet, & Tramer, 2002).…”