Abstract

Background: Cesarean delivery, one of the most common major surgical procedures performed worldwide used for 15% of births around the world and it continues to increase in frequency. It is an important contributor to surgical site complications such as infection, hematoma and dehiscence. Platelet Rich Plasma (PRP) is a volume fraction of blood having a high concentration of platelets above the baseline. This product is a rich source of growth factors. PRP can be activated by CaCl2 or medical Ozone. The induction of growth factors found in PRP by ozone can support and potentiate their action. Aim: The purpose of this study is to compare the effect of application of autologous Fibrin Gel and Platelet Rich Plasma (PRP) activated by medical Ozone (Ozonated PRP) versus those activated by CaCl2 on wound healing and prevention of infection in high risk cesarean sections. Design: 90 high risk pregnant females undergoing cesarean section were selected randomly according to inclusion criteria and divided into 3 groups each contains 30 patients. Group Ca received Autologous PRP and Fibrin gel activated by CaCl2 at the wound site. Group O received Autologous PRP and Fibrin gel activated by Medical Ozone at the wound site while group P (control) did not receive any of them. All patients were examined for wound complications and healing progress on day 1, day 7 and day 21 postoperative by visual analogue scale (VAS), REEDA scale and Vancouver Scar System (VSS). Results: the results revealed statistically significance decrease in pain by VAS in group Ozone compared to group P on day 7 and 21. For REEDA also group O showed significant decrease compared to group Calcl on day 1 and 7 while compared to group P was also decreased on day 1, 7 and 21. Group Cacl was significantly decreased compared to group P on day 7 and 21 only. Regarding VSS both group O and group Cacl were significantly decreased compared to group P on all days. Conclusion: this study gives evidence that applying autologous platelet rich plasma (PRP) promote wound healing and when activated by Ozone gives better results and helps prevention of infection in cesarean section of high risk patients.

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