Efficacy of a Modified Oxidized Cellulose Fabric in the Prevention of Adhesion Formation

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Abstract
A new fabric of regenerated oxidized cellulose (TC-7) was evaluated for the prevention of postoperative adhesions. Standardized injuries were performed on the uterine fundal serosa, the unilateral uterine cornu, and the contralateral ovary in 24 New Zealand rabbits. TC-7 was applied to the injured surfaces in 12 rabbits utilizing a randomized study design. At second-look laparotomy 3 weeks later, adhesions were graded without knowledge of the treatment category in the 22 rabbits surviving the study. There were no statistically significant differences in adhesion formation between treated and control animals at any of the injury sites. No gross or histologic residua of the TC-7 were evident 3 weeks after intraperitoneal application. Further studies will be needed to clarify the clinical role of this new fabric.