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[Rabbit Model for Evaluation of Anti-adhesive Materials after Open Heart Surgery].

Surgical trauma to the pericardial mesothelium during open heart procedures has formation of fibrovascular adhesions. Surgeons are confronted with cardiac adhesions, leading to an increased surgical risk such as intractable bleeding and possible catastrophic hemorrhage. In order to solve the problem, the anti-adhesion membrane has been developed and used. However, their performances are far from perfect, so it has been expected to develop a novel anti-adhesive material. For preparing an anti-adhesive material, there is 1 serious problem, a lack of golden standard of animal model for evaluation of anti-adhesivity. In this study, we tried to establish a standard system for evaluation of the performance of anti-adhesive materials for the chest-area surgery using rabbit. Setting the condition of the damage to heart, the objective evaluation system was established. And we performed experimental study to evaluate prevention of adhesions with pericardial substitutes and our product under development based on this model.