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Do topical antibiotics provide improved prophylaxis against bacterial growth in the presence of polypropylene mesh?

M G Troy1, Q S Dong, P B Dobrin

  • 1Department of Surgery, Loyola University Medical Center, Maywood, Illinois, USA.

American Journal of Surgery
|April 1, 1996
PubMed
Abstract

Insights

Antibiotics significantly reduced bacterial growth in mesh-containing wounds. Preoperative intravenous, topical, or combination antibiotic treatments were equally effective in preventing bacterial proliferation in rabbit models.

Area of Science:

  • Surgical Infection Prevention
  • Microbiology
  • Veterinary Medicine

Background:

  • Mesh-based hernia repairs can lead to surgical site infections.
  • Bacterial contamination of surgical mesh poses a significant clinical challenge.

Purpose of the Study:

  • To compare the efficacy of different antibiotic administration methods in preventing bacterial growth in mesh-containing wounds.
  • To evaluate preoperative intravenous antibiotics, intraoperative topical antibiotics, and their combination.

Main Methods:

  • Rabbits received mesh implants inoculated with Staphylococcus aureus.
  • Three treatment groups were compared: intravenous cefazolin, topical bacitracin, and combination therapy.
  • Quantitative bacterial cultures were performed on mesh and surrounding tissues.

Main Results:

  • All antibiotic treatment groups demonstrated a statistically significant reduction in bacterial growth compared to controls.
  • No significant difference in bacterial reduction was observed among the three antibiotic treatment strategies.

Conclusions:

  • Antibiotics effectively reduce bacterial load in infected mesh-implanted wounds.
  • Preoperative intravenous, topical, and combination antibiotic approaches offer comparable efficacy in preventing bacterial growth.

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