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  • Title: The reduction of postoperative adhesions by two different barrier methods versus control in cynomolgus monkeys: a prospective, randomized, crossover study.
    Author: Grow DR, Seltman HJ, Coddington CC, Hodgen GD.
    Journal: Fertil Steril; 1994 Jun; 61(6):1141-6. PubMed ID: 8194631.
    Abstract:
    OBJECTIVES: To determine the effectiveness of two different surgical membranes in preventing postoperative adhesions as compared with control and to evaluate the benefit as compared with "second-look" adhesiolysis. DESIGN: A randomized, prospective, crossover study. SETTING: A colony of individually caged non-human primates, Department of Obstetrics and Gynecology, Eastern Virginia Medical School Norfolk, Virginia. INTERVENTIONS: Hysterotomy or adhesiolysis at the time of exploratory laparotomy, with subsequent scoring of adhesions based on area, vascularity, tenacity, and adhesion score. RESULTS: The combined crossover data reveal that both surgical barriers are superior in adhesion prevention to microsurgical technique alone. Expanded polytetrafluoroethylene (Gore-Tex Surgical Membrane; WL Gore and Associates, Flagstaff, AZ) was better than oxidized regenerated cellulose (Interceed; Johnson and Johnson Medical, Inc., Arlington, TX) with respect to adhesion area, tenacity, and vascularity, with a significant improvement in the total adhesion score. Second-look adhesiolysis resulted in significant adhesion reduction in the control group, making second-look adhesiolysis statistically similar to the use of either barrier alone (without subsequent adhesiolysis). Gore-Tex removal does not result in adhesion formation as determined by third-look surgery. CONCLUSIONS: Both Interceed and Gore-Tex show a reduction in the prevention of postsurgical adhesions after hysterotomy incisions, as compared with microsurgical technique alone. Second-look adhesiolysis is as effective as either barrier in the reduction of permanent pelvic adhesions.
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