Abstract
Purpose
The aim of this study was to determine whether polytetrafluoroethylene grafts or Omniflow II biosynthetic grafts are more resistant to infection caused by Staphylococcus aureus.
Methods
Sixty rats were divided into six groups. In Groups 1A, 1B and 1C, a polytetrafluoroethylene graft was implanted in each rat, and, in Groups 2A, 2B and 2C, a biosynthetic graft was implanted in each rat. Staphylococcus aureus was inoculated into Groups 1B, 1C, 2B and 2C, and the rats in Groups 1C and 2C were treated with teicoplanin. One week later, the rats were euthanized, the grafts were removed and a microbiological count was performed. A histopathological examination was subsequently carried out, and the C-reactive protein, prealbumin and leukocyte levels were investigated.
Results
There were no significant differences in the C-reactive protein, prealbumin and leukocyte levels. The differences in the results of the microbiological evaluations between the groups were significant. The quantitative culture results showed no bacterial growth in Groups 1A, 1C and 2A. The number of bacteria in Group 1B was statistically lower than that in Group 2B. When the groups receiving treatment were compared, Group 2C had bacterial growth, whereas Group 1C did not. The histopathological examinations showed similar results.
Conclusions
Omniflow II grafts are more susceptible to infection than polytetrafluoroethylene grafts.
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Conflict of interest
Orhan Bozoglan and other co-authors have no conflicts of interest to disclose. This research was funded by the Kahramanmaras Sutcu Imam University Scientific Research Fund.
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Bozoglan, O., Mese, B., Eroglu, E. et al. Which prosthesis is more resistant to vascular graft infection: polytetrafluoroethylene or Omniflow II biosynthetic grafts?. Surg Today 46, 363–370 (2016). https://doi.org/10.1007/s00595-015-1141-3
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DOI: https://doi.org/10.1007/s00595-015-1141-3