Effect of intra-abdominal administration of ascites fluid on postoperative peritoneal adhesion in rat model: A randomized controlled trail

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IntroductionIntra-abdominal adhesions are typically found after the most surgical procedures. Normally, most adhesions are asymptomatic; however, few individuals experience postoperative adhesion-related problems such as small bowel obstruction, pelvic pain, infertility, or other complications. We aimed to evaluate the preventive effect of the ascites fluid for postoperative peritoneal adhesions in rat models. Material and methodsThis experimental trial was conducted in Sixty Syrian male rat randomly assigned to six groups of 10 animals each as follows: control (group 1&4); normal saline (group 2&5): 2 mL of normal saline was poured into the peritoneal cavity; and case (group 3&6): 2 mL ascites fluid was poured into the peritoneal cavity. All animals in the six groups underwent laparotomy and measurable serosal injury were created with a standard technique. 10 and 30 days after initial surgery, the rats underwent another laparotomy in groups 1, 2, 3 and 4, 5, 6, respectively to assess macroscopic and microscopic adhesions, which were scored by an examiner who was blind to the animals̕ group assignment. Data analyzed by SPSS version 18, using the kruskal Wallis and Bonferroni-corrected Mann-Whitney U tests. P-values of less than 0.05 were considered significant. ResultsThe mean scores of both microscopic and macroscopic adhesion were significantly different between all the groups (P < 0.05). Total macroscopic and microscopic adhesion scores were significantly lower in the ascites fluid treatment than in the control (P = 0.0001) or the normal saline (P < 0.001) group. There was no significant difference between adhesion intensity 10 and 30 days after laparotomy (P > 0.05). ConclusionsAscites fluid can decrease the possibility of post-operative intraperitoneal adhesion formation.