8 de out de 2014

Total vertebrectomy for stabilisation of chronic spinal lumbar luxation in a paraplegic dog without nociception

 

Journal of Small Animal Practice,Volume 55, Issue 10, Pages 485–541, October 2014

P. V. Tertuliano Marinho,C. C. Zani, F. De Biasi and M. V. Bahr Arias

 http://onlinelibrary.wiley.com/doi/10.1111/jsap.12246/abstract

         An adult male crossbred dog was referred with a history of a road traffic accident that took place 1 month earlier. Neurological examination revealed paraplegia with absent nociception in the pelvic limbs. On epaxial palpation, significant curvature of the anatomical axis of the spine between the third and fourth lumbar vertebrae was observed, with the presence of a bone end almost piercing the dog's skin. Survey radiographs of the lumbar spine revealed severe dislocation between L3 and L4 vertebrae. During surgery, the spinal cord was not visible between the dislocated segments. Because of difficulties in reducing the lumbar luxation during surgery, vertebrectomy and vertebral shortening were performed. After alignment between vertebrae L3 and L5, eight cortical orthopaedic screws and bone cement were used for fixation. After 30 days, the dog started to use a wheelchair and was considered by its owner to have a good quality of life with no evidence of pain. To the authors’ knowledge, this is the first case of severe luxation treated by total vertebrectomy and spine shortening in a dog. This surgery can be considered as an option in the management of severe spine luxation when the spinal cord is physically transected.

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