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26.04.2018 | Original Article | Ausgabe 3/2019

European Journal of Trauma and Emergency Surgery 3/2019

Platelet-rich plasma as an additional therapeutic option for infected wounds with multi-drug resistant bacteria: in vitro antibacterial activity study

Zeitschrift:
European Journal of Trauma and Emergency Surgery > Ausgabe 3/2019
Autoren:
Rıza Aytaç Çetinkaya, Ercan Yenilmez, Patrizio Petrone, Soner Yılmaz, Bayhan Bektöre, Berksan Şimsek, Tuğba Kula Atik, Mustafa Özyurt, Aytekin Ünlü

Abstract

Purpose

Infected wounds, such as diabetic foot infections, are mostly polymicrobial and microorganisms have high resistance rates to antimicrobials. Infected wounds in diabetic patients have high cost, morbidity, and mortality rates. Based on these facts, there is a need for supportive localized treatment options such as platelet-rich plasma (PRP) implementations. Demonstrating the in vitro antimicrobial effect, our aim was to lead up to clinical trials of localized PRP implementations in infected wounds such as diabetic foot infections. In this study, we aimed to demonstrate the in vitro antibacterial activity of PRP against methicilin-resistant Staphylococcus aureus (MRSA) and three more multi-drug resistant bacteria species that are important and hard-to-treat in wound infections.

Materials and methods

In vitro antimicrobial activity of autologous PRP, platelet-poor plasma (PPP), and phosphate-buffered saline (PBS) on methicillin-resistant Staphylococcus aureus, vancomycin-resistant Enterococcus spp., extended spectrum beta lactamase producing Klebsiella pneumoniae, and carbapenem-resistant Pseudomonas aeruginosa was compared by assessment of bacterial growth on agar plates and antimicrobial susceptibility test results.

Results

When compared to control group, PRP and PPP significantly suppressed bacterial growth of MRSA, K. pneumoniae, and P. aeruginosa at 1st, 2nd, 5th, and 10th hours of incubation (p < 0.05). VRE was the only bacteria that PRP and PPP showed limited activity against. When compared to PPP, PRP showed higher activity against MRSA, K. pneumoniae, and P. aeruginosa. However, the differences between PRP and PPP were statistically significant only against MRSA and P. aeruginosa at the first hour of incubation.

Conclusions

Emerging PRP and other platelet-derived products seem to be promising alternative tools besides antibiotic treatment, debridement, negative pressure wound therapy, hyperbaric oxygen therapy, and other treatment options for treating diabetic foot infections.

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