Wobbler Syndrome
Wobbler Syndrome (Cervical Spondylomyelopathy) is a condition affecting the cervical spine where spinal cord compression causes a characteristic wobbly gait. Two forms exist: disc-associated (middle-aged large breeds like Dobermans) and osseous-associated (young giant breeds like Great Danes). Both result in progressive neurological deficits.
Symptoms & Signs
- Wobbly, uncoordinated gait (ataxia) - worse in hind limbs
- Wide-based stance
- Scuffing of toenails
- Neck pain and stiffness
- Short, choppy forelimb gait
- Difficulty rising
- Progressive weakness
Causes & Risk Factors
Disc-associated: chronic disc protrusion causing ventral spinal cord compression in Dobermans. Osseous-associated: vertebral malformation, stenosis, and ligamentous hypertrophy in Great Danes and other giant breeds. Genetic predisposition, rapid growth, and nutritional factors (excess calcium/protein) implicated.
Diagnosis
Neurological examination localizing to cervical spinal cord. MRI (gold standard) showing spinal cord compression. Dynamic studies (flexion/extension) to assess instability. CT for bony detail. Myelography as alternative to MRI.
Treatment
Conservative: activity restriction, anti-inflammatory medications, neck brace. Surgical: ventral slot decompression, dorsal laminectomy, vertebral stabilization (fusion). Choice depends on lesion type and number of sites affected. Physical rehabilitation post-surgery.
Prevention
Controlled growth rates in giant breed puppies. Appropriate nutrition (avoid excess calcium and protein). Genetic awareness in breeding programs. No proven prevention for disc-associated form.
Prognosis
Medical management: 50% stable or improve. Surgical: 80% improve, but adjacent segment disease may develop. Disc-associated (Doberman): better surgical outcomes. Osseous (Great Dane): more variable response.