Volume 4, Issue 2 (7-2015)                   WJPS 2015, 4(2): 101-109 | Back to browse issues page

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Dietrich F, Lançanova Duré G, Peres Klein C, Faccin Bampi V, Vontobel Padoin A, Duval da Silva V et al . Platelet-Rich Fibrin Promotes an Accelerated Healing of Achilles Tendon When Compared to Platelet-Rich Plasma in Rat. WJPS. 2015; 4 (2) :101-109
URL: http://wjps.ir/article-1-152-en.html
Laboratory of Medical Abilities and Surgical Research, Pontifícia Universidade Católica do Rio Grande do Sul (PUCRS) , francidi05@gmail.com
Abstract:   (6187 Views)
BACKGROUND Autologous platelet concentrate has been used to improve the function and regeneration of injured tissues. Tendinopathies are common in clinical practice, although long-term treatment is required. On the basis of lead time, we compared the effect of using platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) in repairing rat Achilles tendon. METHODS The effectiveness of using PRP and PRF was evaluated after 14 and 28 postoperative days by histological analysis. The quantification of collagen types I and III was performed by Sirius red staining. Qualitatively, the data were verified with hematoxylin-eosin (H&E) staining. RESULTS In Sirius red staining, no significant treatment differences were found between groups. Statistical difference was observed only between PRP (37.2% collagen) and the control group (16.2%) 14 days after treatment. Intra-groups compared twice showed a difference for collagen I (27.8% and 47.7%) and III (66.9% and 46.0%) in the PRF group. The control group showed differences only in collagen I (14.2% and 40.9%) and no other finding was observed in the PRP group. In H&E staining, PRF showed a better cellular organization when compared to the other groups at 28 days. CONCLUSION Our study suggests that PRF promotes accelerated regeneration of the Achilles tendon in rats, offering promising prospects for future clinical use.
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Type of Study: Original Article | Subject: General
Received: 2015/03/24 | Accepted: 2015/04/21 | Published: 2015/04/21

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