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Effects of progesterone on postoperative adhesion formation in hysterectomized rabbits
E Confino1, J Friberg, M Vermesh
1Department of Obstetrics and Gynecology, Mount Sinai Hospital Medical Center, Chicago, Illinois.
Abstract:
Progesterone has been reported to have an antiinflammatory as well as immunosuppressive effect, and may prevent adhesion formation. In this study, nine treated and seven control rabbits were randomly selected for either pre- and postoperative progesterone treatment or no treatment. All rabbits underwent hysterectomy, focal peritoneal denudation, and intraabdominal instillation of suspended talc. Adhesion formation was evaluated 1 month postoperatively during repeat exploratory laparotomy. Progesterone-treated and control rabbits did not show any significant difference overall in the incidence of adhesion formation. Subgrouping of adhesion formation into adhesions formed by major surgical tissue trauma or minor peritoneal damage revealed a beneficial effect of progesterone in the reduction of only minor adhesion formation.