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Avaliaram-se os aspectos clínicos e radiográficos do enxerto de pericárdio bovino, preservado em glicerina, como substituto do ligamento cruzado cranial. Quinze cães machos, sem raça definida, pesando entre 17,4 e 31,6 kg, foram submetidos à ruptura experimental do ligamento cruzado cranial e à substituição por pericárdio, via videoartroscopia. Os cães foram divididos em três grupos de cinco e avaliados aos 30, 90 e 120 dias. O membro operado foi imobilizado por duas semanas e procederam-se avaliações clínicas semanais. Radiografias foram feitas mensalmente e foram realizadas colheita de líquido sinovial nos tempos descritos. Clinicamente, os cães mostraram claudicação acentuada a moderada, hipotrofia muscular no membro operado e acentuado deslocamento cranial da tíbia em relação ao fêmur. As alterações degenerativas foram observadas nas radiografias. Observou-se instabilidade acentuada em todos os animais. O líquido sinovial tinha características de inflamação. Concluiu-se que o enxerto rompeu precocemente, provocou reação inflamatória persistente e fenômenos de rejeição, não sendo, portanto, recomendado para substituição do ligamento cruzado cranial de cães. The clinical and radiographic aspects of the bovine pericardium preserved in glicerin, were evaluated as a substitute for canine cranial cruciate ligament. Fifteen male mongrel dogs weighing between 17.4 and 31.6kg had the ligament experimentally ruptured and the stifle joint stabilized by an arthroscopical technique with bovine pericardium as a graft. The dogs were divided into three groups of five animals each. They were evaluated at 30, 90 and 120 days. The operated limb was imobillized for two weeks and clinical examination was performed weekly. Radiographs were taken monthly and the sinovial fluid was collect at 30, 90 and 120 days. Clinically, dogs presented high to moderate lameness, muscle hipotrophy in the operated limb and accentuated cranial drawer movement. Degenerative disease was detected in radiography. All dogs showed total rupture of the graft. Sinovial fluid analysis showed characteristics of inflammation. It can be concluded that pericardium graft failed prematurely, incited persistent inflammatory reaction and rejection phenomena. Thus, it cannot be recommended as a xenograft for cranial cruciate ligament replacement

Aspectos clínicos e radiográficos do pericárdio bovino como substituto do ligamento cruzado cranial de cães