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Year 2010 - Volume 30, Number 2
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Atlantoaxial subluxation in 14 dogs (2003-2008)), 30(2):172-178
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ABSTRACT.- Beckmann D.V., Mazzanti A., Santini G., Santos R.P., Festugatto R., Pelizzari C., Polidoro Neto D. & Baumhardt R. 2010. [Atlantoaxial subluxation in 14 dogs (2003-2008).] Subluxação atlantoaxial em 14 cães (2003-2008). Pesquisa Veterinária Brasileira 30(2):172-176. Departamento de Clínica de Pequenos Animais, Centro de Ciências Rurais, Universidade Federal de Santa Maria, Av. Roraima 1000, Camobi, Santa Maria, RS 97105-900, Brazil. E-mail: alexamazza@yahoo.com.br
A retrospective study on atlantoaxial subluxation in dogs was done by reviewing the cases filed from 2003 to 2008 in the neurological records of the Veterinary Hospital of the Universidade Federal de Santa Maria, at Santa Maria, Rio Grande do Sul, Brazil. The following data were identified: Breed, sex, age, etiology, clinical signs, duration of clinical course, assessment of the therapy employed and its efficacy, response to treatment and relapse. Fourteen dogs were diagnosed as affected by atlantoaxial subluxation and the condition was more frequent in dogs under twenty-four month old years and of toy breeds, such as Poodle (35.7%), Pinscher (21.4%) and Yorkshire terrier (21.4%). The main cause found for the instability was agenesis of the odontoid process. Clinical signs ranged from cranial cervical pain to non-ambulatory tetraparesis. The predominant treatment employed was surgical which demonstrated to be efficacious in 90% of the cases with minor risks of relapse when compared with clinical treatment. The predominant time of recovery was 30-60 days after surgery. No correlation was found between the duration of clinical signs before surgery and the time of recovery. |
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