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Avaliou-se, de forma prospectiva, a ovário-histerectomia (OVH) nas abordagens laparoscópica e aberta, mediante a comparação de parâmetros intra-operatórios como tempo cirúrgico, complicações (hemorragia, lesões viscerais e vasculares), dificuldades técnicas e custos. Foram utilizadas 30 cadelas, sem raça definida, com peso entre 6,5 e 19,0kg, aleatoriamente distribuídas em dois grupos de 15 animais. Os animais do grupo I foram submetidos à OVH laparoscópica enquanto os do grupo II à OVH aberta. O tempo cirúrgico médio na abordagem laparoscópica foi significativamente maior (61,6± 14,15 minutos) quando comparada com a aberta (21,13±4,3 minutos), enquanto que o grau de sangramento foi menor na laparoscopia. Foram observadas lesão no baço com agulha de Veress ou trocarte em três animais. Houve ampliação da incisão para retirada do útero e ovários em dois animais do grupo I e em um animal do grupo II. Não houve indicação para conversão da técnica laparoscópica. Concluiu-se que ambas as abordagens mostraram-se seguras e eficientes para realização do procedimento. O tempo cirúrgico foi maior na laparoscópica enquanto que a ocorrência de hemorragia foi menor. A OVH laparoscópica mostrou-se mais onerosa. The goal of this study was to compare the laparoscopic procedure for ovariohysterectomy (OVH) with the conventional approach. Parameters such as duration of the surgery, complications (hemorrhages, visceral and vascular lesions), technical difficulties and the extending incision required for removing internal organs were evaluated during the intra-operative phase. The costs of both approaches were compared as well. A total of thirty non-defined breed bitches weighting between 6,5 and 19,0kg were randomly distributed into two groups of 15 animals each. Group I was subjected to laparoscopic OVH and group II to the conventional approach. The duration of the surgery was longer and the degree of bleeding was lesser in the laparoscopy than in the conventional approach. Splenic lesions were observed in three animals due to the use of Veress needle or trocar. Extension of the original incision was required in both groups to remove uterus and ovaries. Conversion of the technique was not indicated. In conclusion, both approaches are safe and efficient for OVH in bitches. The surgical time was larger and the occurrence of hemorrhage was less intense with the laparoscopic procedure. Surgical costs were higher with the laparoscopy

Ovário-histerectomia: estudo experimental comparativo entre as abordagens laparoscópica e aberta na espécie canina. Intra-operatório-I