Biomechanical properties of the atlantoaxial joint with naturally-occurring instability in a toy breed dog
書誌事項
- タイトル別名
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- A comparative descriptive cadaveric study
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説明
<jats:title>Summary</jats:title><jats:p>The biomechanical properties of the atlanto-axial joint in a young Yorkshire Terrier dog with spontaneous atlantoaxial instability were compared to those of another young toy breed dog with a healthy atlantoaxial joint. The range-of-motion was increased in flexion and lateral bending in the unstable joint. In addition, lateral bending led to torsion and dorsal dislocation of the axis within the atlas. On gross examination, the dens ligaments were absent and a longitudinal tear of the tectorial membrane was observed. These findings suggest that both ventral and lateral flexion may lead to severe spinal cord compression, and that the tectorial membrane may play a protective role in some cases of atlantoaxial instability.</jats:p>
収録刊行物
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- Veterinary and Comparative Orthopaedics and Traumatology
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Veterinary and Comparative Orthopaedics and Traumatology 28 (05), 355-358, 2015
Georg Thieme Verlag KG