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Resumo(s)
A ovariectomia e a ovariohisterectomia laparoscópicas são cada vez mais uma alternativa viável às abordagens convencionais de esterilização em Medicina Veterinária, estando estas técnicas de cirurgia de mínima invasão associadas a períodos de recuperação mais curtos e com menos dor. Com este trabalho pretendeu-se realizar um estudo comparativo entre as técnicas de OVE e OVH laparoscópicas utilizando três acessos paramedianos e recorrendo a uma agulha de Veress para entrada na cavidade abdominal. Procedeu-se depois à comparação dos dois procedimentos e à comprovação da sua eficácia através da análise dos resultados obtidos durante a sua execução, tendo em conta a ocorrência de complicações observadas.
O estudo abrangeu trinta cadelas divididas em dois grupos, de acordo com a técnica laparoscópica utilizada: Grupo I- OVE laparoscópica (20 animais); Grupo II- OVH laparoscópica (10 animais). No decorrer dos procedimentos cirúrgicos registou-se o tempo cirúrgico, a duração de cada uma das etapas cirúrgicas (insuflação, instrumentação e sutura) e a ocorrência de lesões iatrogénicas e outras complicações.
O tempo cirúrgico médio do Grupo I (35,35 ± 10,88 minutos) foi inferior ao do Grupo II (69,8 ± 29,09 minutos), tendo sido observada uma relação significativa entre o tempo cirúrgico e cada uma das técnicas cirúrgicas utilizadas. Foram observadas complicações perioperatórias em 23,33% (n=7) dos animais, nomeadamente laceração esplénica (3), dificuldade na inserção do 1º trocarte (1), dificuldade na punção inicial (1), aprisionamento do omento na sutura (1) e conversão para laparotomia (1), não havendo diferença significativa entre grupos. Todos os animais tiveram um período de recuperação pós-cirúrgica bastante rápido e sem problemas, para além de uma deiscência de sutura que ocorreu num animal do Grupo II.
Os dados recolhidos sugerem a cirurgia de mínima invasão como alternativa viável e segura para a esterilização eletiva de cadelas. No entanto, as limitações deste estudo tornam necessária a recolha adicional de dados que permitam a obtenção de conclusões mais significativas.
ABSTRACT - Comparison between laparoscopic ovariectomy and ovariohysterectomy in female dogs using a three paramedian access technique - Laparoscopic ovariectomy and ovariohysterectomy are becoming more and more a viable alternative to the conventional neutering approaches in veterinary medicine, and these minimal invasive techniques are associated with shorter recovery times and less pain. This work intended to carry out a comparison study between the laparoscopic OVE and OVH techniques using a three paramedian access approach and using a Veress needle to enter the abdominal cavity. Thereafter, the comparison of both procedures and the verification of its efficiency were performed based on the analysis of the results obtained during its execution, considering the existence of observed complications. This study included 30 female dogs, divided into two groups, according to the laparoscopic technique used: Group I- laparoscopic OVE (20 animals); Group II- laparoscopic OVH (10 animals). Surgical time, duration of each step (insufflation, instrumentation and suture) and the existence of iatrogenic injuries were recorded. Group I (35,35 ± 10,88 minutes) had a lower mean surgical time than Group II (69,8 ± 29,09 minutes), with a significant association being identified between surgical time and each of the techniques used. Intraoperative complications were reported in 23,33% (n=7) of the animals, specifically splenic laceration (3), complications in the 1st trocar insertion (1), complications in the catheter insertion (1), intertwinement of the omentum in the suture (1) and conversion to laparotomy (1), with no significant differences observed between groups. All dogs had a fast and uneventful recovery period, apart from a specific case in Group II which returned with a suture dehiscence. The gathered data seems to back minimal invasion surgery as a viable and safe alternative for elective sterilization in female dogs. However, the limitations this study comprises require additional assortment of data to be carried out, with the purpose of obtaining more significant conclusions.
ABSTRACT - Comparison between laparoscopic ovariectomy and ovariohysterectomy in female dogs using a three paramedian access technique - Laparoscopic ovariectomy and ovariohysterectomy are becoming more and more a viable alternative to the conventional neutering approaches in veterinary medicine, and these minimal invasive techniques are associated with shorter recovery times and less pain. This work intended to carry out a comparison study between the laparoscopic OVE and OVH techniques using a three paramedian access approach and using a Veress needle to enter the abdominal cavity. Thereafter, the comparison of both procedures and the verification of its efficiency were performed based on the analysis of the results obtained during its execution, considering the existence of observed complications. This study included 30 female dogs, divided into two groups, according to the laparoscopic technique used: Group I- laparoscopic OVE (20 animals); Group II- laparoscopic OVH (10 animals). Surgical time, duration of each step (insufflation, instrumentation and suture) and the existence of iatrogenic injuries were recorded. Group I (35,35 ± 10,88 minutes) had a lower mean surgical time than Group II (69,8 ± 29,09 minutes), with a significant association being identified between surgical time and each of the techniques used. Intraoperative complications were reported in 23,33% (n=7) of the animals, specifically splenic laceration (3), complications in the 1st trocar insertion (1), complications in the catheter insertion (1), intertwinement of the omentum in the suture (1) and conversion to laparotomy (1), with no significant differences observed between groups. All dogs had a fast and uneventful recovery period, apart from a specific case in Group II which returned with a suture dehiscence. The gathered data seems to back minimal invasion surgery as a viable and safe alternative for elective sterilization in female dogs. However, the limitations this study comprises require additional assortment of data to be carried out, with the purpose of obtaining more significant conclusions.
Descrição
Dissertação de Mestrado Integrado em Medicina Veterinária
Palavras-chave
Ovariectomia ovariohisterectomia laparoscopia agulha Veress canídeo ovariectomy ovariohysterectomy laparoscopy Veress needle canine
Contexto Educativo
Citação
Poupado DF 2020. Comparação dos procedimentos cirúrgicos de ovariectomia e ovariohisterectomia laparoscópicas em cadelas utilizando uma técnica de três acessos paramedianos [dissertação de mestrado]. Lisboa: FMV-Universidade de Lisboa.
Editora
Universidade de Lisboa, Faculdade de Medicina Veterinária
