Alper BAĞRIYANIK, Sermin ÖZKAL, Serkan GÜLER, Erdem KUMTEPE, M Ali ÖZCAN, Namık ŞANLI, Hayri ÖZSAN, Baran ŞEN, M Hasan TATARİ, Berivan ÇEÇEN

The Effect of Autologous Platelet Rich Plasma in the Treatment of Achilles Tendon Ruptures: An Experimental Study on Rabbits

Background: Achilles tendon ruptures are character-ized by a long recovery period, high re-rupture rate and late return to work. To overcome these difficulties and augment tendon repair, many agents have been used. Aims: To determine the effect of autologous platelet rich plasma (PRP) in the treatment of Achilles ten-don ruptures in rabbits. Study Design: Animal experimentation.Methods: The study included 14 New Zealand albi-no rabbits that were divided randomly into 2 groups, A and B, each containing seven rabbits. On day zero, all 28 Achilles tendons were tenotomized and re-paired. In group A, the tendons were injected with PRP post-surgery, whereas those in group B were left untreated. On day 28, the right tendons in both groups were examined histopathologically via both light and electron microscopy, and the left tendons were subjected to biomechanical testing. Results: The histological and biomechanical findings in both light and electron microscopy in group A were better than those in group B, but the difference was not significant. According to Tang's scale, the mean value in Group A was 3.57, while it was 3.0 in Group B. The mean value of Group A for the length of col-lagen bands was 48.09 nm while the mean value of Group B was 46.58 nm (p=0.406). In biomechanical tests, although stiffness values were higher in group A, the difference between groups was not significant. In addition, maximum load values did not differ be-tween groups A and B.Conclusion: PRP had no effect on the healing process 28 days post-Achilles tendon rupture

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