Thermographic and histological analysis of rabbit different tenorrhaphies techniques (4 and 6 strands) after early active mobilization

Rodrigo Arenhart, Antônio Lourenço Severo, Philipe Eduardo Carvalho Maia, Daniela Augustin Silveira, Rodrigo Roca Lopez, Darian Bocaccio

Resumo


Introduction: This research is based on the results of the surgeries of tenorraphy, which have been improved due to the association between strong and not voluminous sutures and physiotherapic protocols, which preconize the early active motion to the postoperative period. Objective: To evaluate the healing process in vivo in different types of tenorraphies. Methods: Thirty-six rabbits that underwent early active motion after tenorraphy. The sample was constituted of 3 groups of 12, in accordance with the 3 different types of suture (Brasil, Indiana and Tsai). Results: On the 15th and 30th days after the surgery, thermographic and histological analyses revealed similar results that all groups showed similar behaviors in the same time of surgical repair, just differentiating between the periods. On the 30th day analysis were observed that collagen fibers being more exuberant thickening, thus being able to offer higher tensile strength to the tendon. Conclusion: That suggests early active motion may be increased gradually to around the 30th day taking this as clinical relevance.

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DOI: http://dx.doi.org/10.1590/0103-5150.027.004.AO13

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