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In vitro study assessing the antibacterial activity of three silver-impregnated/coated mechanical valve needleless connectors after blood exposure

Abstract

This in vitro study’s purpose was to assess antibacterial activity of 3 different connectors: V-Link (Baxter, Deerfield, IL), Ultrasite Ag (B. Braun, Bethlehem, PA), and MaxGuard (CareFusion, Ontario, CA), impregnated with silver nanoparticles after blood exposure. All 3 silver-coated/impregnated connectors grew Staphylococcus aureus and Staphylococcus epidermidis. Log reduction of bacteria was not significant (range, +0.19 to -1.82). There was substantial bacterial recovery from all 3 connectors (mean ranges, 2.09 × 10 to 4.00 × 10) indicating that, once blood comes in contact with silver-coated/impregnated needleless connectors, their antibacterial activity is significantly reduced.

Chernecky CC, Waller JL, Jarvis WR

Am J Infect Control 2013 Mar;41(3):278-80

2012-08-03

PMID: 22863121

In vitro study assessing the antibacterial activity of three silver-impregnated/coated mechanical valve needleless connectors after blood exposure was last modified: September 28th, 2015 by Chernecky CC, Waller JL, Jarvis WR