In vitro and in vivo assessment of silver-coated polypropylene mesh to prevent infection in a rat model.

Abstract:

INTRODUCTION AND HYPOTHESIS:The purpose of this study is to determine the effect of silver coating of polypropylene implants on infection in hernia surgery. METHODS:Silver-coated and non-silver-coated large pore monofilament polypropylene mesh implants were compared with and without infection (four groups). The implants were inserted in the abdominal wall of female Wistar rats. An Escherichia coli strain was inoculated intraoperatively in the two infected groups. The implants were removed, and clinical, bacteriological, and histological analyses were performed at 2, 15, and 30 days postoperatively. RESULTS:Eighty-four rats were studied. All inoculated rats (n = 21) in the non-silver-coated polypropylene group presented periprosthetic E. coli infection, compared with only five inoculated rats in the silver-coated polypropylene group (p < 0.0001). Erosion was significantly higher in the infected than in the non-infected silver-coated polypropylene groups (p < 0.01). There was no histological difference between the four groups. CONCLUSIONS:Silver-coated implants appear effective against bacterial infection in our rat model, with good histological tolerance but delayed healing.

journal_name

Int Urogynecol J

authors

Badiou W,Lavigne JP,Bousquet PJ,O'Callaghan D,Marès P,de Tayrac R

doi

10.1007/s00192-010-1330-y

subject

Has Abstract

pub_date

2011-03-01 00:00:00

pages

265-72

issue

3

eissn

0937-3462

issn

1433-3023

journal_volume

22

pub_type

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