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Abstract
Abdominal wall defects created in Sprague-Dawley rats were repaired with either polypropylene
mesh (PPM) or expanded polytetrafluoroethylene patch (PTFE). Tensiometric studies
of abdominal wall strength showed that PPM and expanded PTFE provided a strong repair
in uninfected wounds. Wounds reconstructed with expanded PTFE and contaminated with
Staphylococcus aureus had a weak interface between the patch and the abdominal wall
fascia. The strength of the interface was inadequate because collagen ingrowth in
the material was inhibited. In contrast, the wound strength of PPM was unaffected
by the presence of bacterial contamination.
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Article info
Publication history
Accepted:
June 2,
1990
Identification
Copyright
© 1991 Published by Elsevier Inc.
