A Prospective Randomized Trial Comparing the Silver‐Impregnated Collagen Cuff With the Bedside Tunneled Subclavian Catheter

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Abstract
A prospective study was undertaken to compare the silver-impregnated collagen cuff (Vitacuff) with the bedside tunneled catheter. Fifty patients were randomly assigned to three groups: group I received triple-lumen catheters with Vitacuff application and a semiocclusive dressing material; group II received triple-lumen tunneled catheters with a semiocclusive dressing; and group III received triple-lumen tunneled catheters with collodion as a dressing material. In patients suspected of having central venous catheter sepsis, blood cultures were obtained through the catheter, the catheter was removed, and the tip was cultured semiquantitatively. Central venous catheter sepsis was defined as a positive catheter-tip culture and blood culture for the same organism. No catheter-related sepsis was seen in either the Vitacuff or the tunneled catheters with collodion dressing. In the tunneled catheters with semiocclusive dressing, there was one case of catheter-related sepsis and one case of insertion-site infection. There was also one insertion-site infection in the Vitacuff group, but there was no statistical difference in infection rates between the three groups. (Journal of Parenteral and Enteral Nutrition 17:61-63, 1993)