Abstract
Objective: To evaluate the effects of two barriers, one solution, and two pharmacologic agents, in single or in combined use, for preventing postsurgical adhesion formation in the rat model. Design: A randomized, prospective study to evaluate the ability of leuprolide acetate, oxidized regenerated cellulose, medroxyprogesterone acetate, sodium hyaluronate, sodium hyaluronate/carboxymethyl cellulose, in single or in combined use, for preventing adhesion formation in a rat model. Animal(s): Wistar female rats. Setting: University animal laboratory. Intervention(s): Intramuscular injection of pharmacologic agents before surgery and intraperitoneal application of barriers and solution at the end of surgery. Main Outcome Measure(s): Two weeks after surgery, a second laparotomy was performed and the extent of adhesion formation was determined. Result(s): All the treatment groups had fewer, less severe adhesions when compared with controls. The combination of medroxyprogesterone acetate and oxidized regenerated cellulose did enhance the adhesion-reducing capacity of oxidized regenerated cellulose. The performance of sodium hyaluronate solution for adhesion prevention was statistically significant, when compared with oxidized regenerated cellulose alone, or sodium hyaluronate used with carboxymethyl cellulose film. Conclusion(s): Pharmacologic agents, barriers, or solutions result in significant reduction of postsurgical adhesions. The sodium hyaluronate solution alone and medroxyprogesterone acetate treatment alone had the least adhesion prevention scores. However, neither monotherapy nor combined therapy proved to be significantly more beneficial.
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