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Pol Przegl Chir ; 95(4): 1-5, 2023 Feb 17.
Article in English | MEDLINE | ID: mdl-36808051

ABSTRACT

INTRODUCTION: Postoperative peritoneal adhesions formed after abdominal surgery still continue to exist as an unresolved health problem. AIM: The aim of the present study is to examine whether omega -3 fish oil has a preventive effect on postoperative peritoneal adhesions. METHODS: Twenty-one female Wistar-Albino rats were separated into 3 groups (sham, control, and experimental group), each consisting of 7 rats. In sham group, only laparotomy was performed. Both in control and experimental group rats; the right parietal peritoneum and cecum were traumatized to form petechiae. Following this procedure, unlike the control group, the abdomen was irrigated with omega-3 fish oil in the experimental group. Rats were re-explored on the 14th postoperative day and adhesions were scored. Tissue samples and blood samples were taken for histopathological and biochemical analysis. RESULTS: None of the omega-3 fish oil given rats developed macroscopically postoperative peritoneal adhesion (P=0.005). Omega-3 fish oil formed an anti-adhesive lipid barrier on injured tissue surfaces. Microscopic evaluation revealed diffuse inflammation with excessive connective tissue and fibroblastic activity in control group rats while foreign body reactions were common in omega-3 given rats. The mean amount of hydroxyproline in samples from injured tissues was significantly lower in omega-3 given rats than in control rats. (P=0.004). CONCLUSION: Intraperitoneal application of omega-3 fish oil prevents postoperative peritoneal adhesions by forming an anti-adhesive lipid barrier on injured tissue surfaces. However, further studies are needed to determine whether this adipose layer is permanent or will be resorbed over time.


Subject(s)
Peritoneal Diseases , Animals , Rats , Female , Humans , Rats, Wistar , Peritoneal Diseases/pathology , Peritoneal Diseases/prevention & control , Peritoneal Diseases/surgery , Peritoneum/surgery , Laparotomy , Fish Oils/pharmacology , Tissue Adhesions/pathology , Tissue Adhesions/prevention & control , Tissue Adhesions/surgery , Postoperative Complications/prevention & control
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