ArticleActa cirurgica brasileira2026
Evaluation of polymeric films and streptokinase for prevention of postoperative intra-abdominal adhesion in rabbits.
Article in Acta cirurgica brasileira, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
purposeTo evaluate the effectiveness of polymer-based strategies for preventing intra-abdominal adhesions after small colon enterotomy and enterorrhaphy in a rabbit experimental model.
methodsTwenty-four female New Zealand White rabbits were randomly allocated into four groups (n = 6): film composed of a blend of sodium carboxymethylcellulose and polyvinyl alcohol (NaCMC-PVA); NaCMC-PVA-streptokinase (STP) film; intra-abdominal STP infusion; and no treatment. Hematological parameters were assessed preoperatively and at three and seven days postoperatively. Macroscopic evaluation of intra-abdominal adhesions and histopathological analysis of the enterorrhaphy site were performed on postoperative day 7. Results were compared within and between experimental groups.
resultsTreated groups exhibited fewer hematological alterations compared with the control group. No statistically significant differences were observed among groups regarding adhesion severity or histopathological scores (p> 0.05). The NaCMC-PVA film showed the lowest absolute incidence of adhesions and did not impair intestinal remesothelialization.
conclusionBased on the biological findings from this study, the NaCMC-PVA film exhibited acceptable handling characteristics and biological compatibility. These findings suggest its potential as a mechanical barrier for preventing abdominal adhesion. However, further studies with larger sample sizes and longer follow-up periods are required to confirm its effectiveness.
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