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Treatment of implant-related methicillin-resistant Staphylococcus aureus osteomyelitis with vancomycin-loaded VK100 silicone cement: An experimental study in rats
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10.11772309499017754093.pdf
Date
2018-1
Author
Neyisci, Cagri
Erdem, Yusuf
Bilekli, Ahmet Burak
Demiralp, Bahtiyar
Kose, Ozkan
Bek, Dogan
Korkusuz, Feza
Kankilic, Berna
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Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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Introduction: The purpose of this present study is to investigate the efficacy of vancomycin-loaded VK100 silicone cement drug delivery system in the treatment of implant-related methicillin-resistant Staphylococcus aureus (MRSA) osteomyelitis in rats. Materials and Methods: Thirty-six adult (18-20 weeks old) female Sprague-Dawley rats were included in the study. All rats underwent experimental osteomyelitis surgery via injecting 100 mu L bacterial suspension of MRSA into the medullary canal. After a 2-week duration for the formation of osteomyelitis model, rats were assigned Introduction: randomly into four groups: control (C), systemic vancomycin (V), local vancomycin-loaded VK100 silicone cement (vVK100), and systemic vancomycin and local vancomycin-loaded VK100 silicone cement (V+vVK100). The following treatment protocols were administered to each group for 4 weeks. For group C, 0.9% saline solution equivalent to the volume of vancomycin dose (approximately 1 ml/kg) was administered intraperitoneally twice daily (12-h intervals). For group V, 15 mg/kg of vancomycin was administered intraperitoneally twice daily (12-h intervals). For group vVK100, vVK100 polymer was included so that the intramedullary canal of the rats are affected. For group V+vVK100, vVK100 polymer was included so that the intramedullary canal of the rats are affected and 15 mg/kg of vancomycin was administered intraperitoneally twice daily (12-h intervals). After 4 weeks of treatment, clinical, radiologic, microbiologic, and histopathologic evaluations were performed for all groups. Results: Results of this study revealed that all scores of the evaluation criteria for the treatment groups (groups V, vVK100, and V+vVK100) decreased due to the treatment protocols when compared to group C. These results show the effectiveness of all treatment protocols for the implant-related chronic MRSA osteomyelitis. However, there were no statistical difference between these three protocols. Conclusions: vVK100 polymer, as a local antibiotic delivery system, seems to be an effective method for the treatment of implant-related chronic MRSA osteomyelitis.
Subject Keywords
Methicillin-resistant staphylococcus aureus
,
Osteomyelitis
,
Polymer
,
Vancomycin
,
VK100
URI
https://hdl.handle.net/11511/51720
Journal
Journal of Orthopaedic Surgery
DOI
https://doi.org/10.1177/2309499017754093
Collections
Graduate School of Natural and Applied Sciences, Article
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C. Neyisci et al., “Treatment of implant-related methicillin-resistant Staphylococcus aureus osteomyelitis with vancomycin-loaded VK100 silicone cement: An experimental study in rats,”
Journal of Orthopaedic Surgery
, 2018, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/51720.