Abstract

BackgroundThe use of autologous platelet-rich plasma (PRP) and plasma rich in growth factors (PRGF) has been proposed for the treatment of several acute and chronic syndromes, such as corneal epithelial defects and dry eye syndrome, gum bleeding during oral surgery, and in orthopaedic surgery. We hypothesized that PRGF, rather than PRP, could be more effective because of its intrinsic characteristics in promoting the healing of intestinal anastomosis. The purpose of the present study was to evaluate and compare the effects of PRP and PRGF on various parameters of anastomotic healing in a swine model.MethodsEight female pigs were randomly assigned to two groups and subjected to hand sewn jeujuno-jejunal appositional extramucosal anastomoses. For each animal, a total of six anastomoses were performed: two were considered controls and received no treatment, while the remaining four anastomoses were treated with PRP or PRGF of which both were prepared at a platelet concentration that was respectively 3.4-fold and 2.81-fold higher than the original platelet count. In each animal, either PRP or PRGF was used as a treatment, to avoid interference among products. Animals were euthanized after 8 days and the anastomoses were evaluated and compared for the presence of adhesions, anastomotic leakage, bursting pressure, and histological appearance.ResultsThe concentration of platelets in PRP was 3.41-fold higher (range, 3.20–4.24) that the concentration in whole blood, while the concentration in PRGF was 2.81-fold higher (range, 2.89–4.88).The results obtained from the present study highlighted that there are no differences between anastomotic samples treated with either PRP or PRGF preparations, except for a significant increase in epithelization of the intestinal mucosa at the anastomotic site in the PRGF group.ConclusionsBoth PRP and PRGF suspensions should be considered a safe strategy and represent a relatively low-cost technology that is flexible enough to be applied in several therapeutic fields. No true benefit could be proven in our study compared to the no treatment following anastomoses formation, with the exception of enhanced epithelization of the mucosa in the PRGF group.

Highlights

  • The use of autologous platelet-rich plasma (PRP) and plasma rich in growth factors (PRGF) has been proposed for the treatment of several acute and chronic syndromes, such as corneal epithelial defects and dry eye syndrome, gum bleeding during oral surgery, and in orthopaedic surgery

  • The use of autologous PRP and PRGF has been proposed for the treatment of several acute and chronic syndromes, such as for corneal epithelial defects and dry eye syndrome, avoiding gum bleeding during oral surgery, and in orthopaedic surgery [4, 9,10,11,12]

  • The concentration of platelets and leukocytes of freshly collected whole blood for both groups were within the normal range of values for Landrace pigs

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Summary

Introduction

The use of autologous platelet-rich plasma (PRP) and plasma rich in growth factors (PRGF) has been proposed for the treatment of several acute and chronic syndromes, such as corneal epithelial defects and dry eye syndrome, gum bleeding during oral surgery, and in orthopaedic surgery. Several studies have focused on identifying a strategy to reduce this complication, which represents a failure in the surgical procedure that can be potentially fatal [2] Some of these investigations have suggested using substances that are able to accelerate the wound healing process. Several methods to produce a biologically active product have been developed and they differ in the concentration of growth factors, white blood cells, and characteristics of the fibrin scaffold [5, 6]. The lower number of leucocytes in the PRGF may improve healing because of the absence of inflammatory cells [13]

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