Biomechanical evaluation of three ventral fixation methods for canine atlantoaxial instability: a cadaveric study

We evaluated comparatively the mechanical strength in three kinds of surgical fixation techniques for canine atlantoaxial joint. Atlantoaxial plate fixation (APF), polymethylmethacrylate (PMMA) fixation (PMF) and transarticular fixation (TAF) were applied to the atlas and axis harvested from healthy...

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Detalles Bibliográficos
Autores principales: TAKAHASHI, Fumitaka, HAKOZAKI, Takaharu, KANNO, Nobuo, HARADA, Yasuji, YAMAGUCHI, Shinya, HARA, Yasushi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Japanese Society of Veterinary Science 2016
Materias:
Surgery
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5240772/
https://www.ncbi.nlm.nih.gov/pubmed/27593982
http://dx.doi.org/10.1292/jvms.16-0160
Descripción
Sumario:We evaluated comparatively the mechanical strength in three kinds of surgical fixation techniques for canine atlantoaxial joint. Atlantoaxial plate fixation (APF), polymethylmethacrylate (PMMA) fixation (PMF) and transarticular fixation (TAF) were applied to the atlas and axis harvested from healthy beagle dogs, and then, the specimens were tested. The PMF group had significantly higher resistance to flexion than the APF group (P=0.030) and the TAF group (P=0.004). There were no significant differences in resistance to torsion between the APF group and the PMF group, while the APF group had significantly higher resistance to torsion than the TAF group (P=0.037). Considering the possible drawbacks of using PMMA, the APF method is proposed as an alternative to the PMF method.

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