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Scapular notch resection for suprascapular nerve decompression in 12 horses
Journal of the American Veterinary Medical Association
|November 15, 1985
Summary
Partial osteotomy of the scapula corrected gait abnormalities in horses with supraspinatus and infraspinatus muscle paralysis. Muscle regeneration varied based on condition duration and pre-surgery atrophy severity.
Area of Science:
- Veterinary Surgery
- Equine Orthopedics
- Neuromuscular Conditions in Animals
Background:
- Supraspinatus and infraspinatus muscle paralysis in horses often leads to significant gait abnormalities.
- The suprascapular nerve is crucial for the function of these shoulder muscles.
Observation:
- A surgical approach involving partial osteotomy of the scapula, performed deep to the suprascapular nerve, was utilized.
- This procedure aimed to address the muscle paralysis and subsequent atrophy.
Findings:
- The surgical intervention successfully corrected various gait abnormalities observed in the affected horses.
- Muscle regeneration following the surgery showed variability, ranging from partial to complete recovery.
- The degree of muscle regeneration was directly correlated with the duration of the condition and the extent of pre-operative muscle atrophy.
Implications:
- Partial scapular osteotomy is a viable surgical option for correcting gait deficits associated with supraspinatus and infraspinatus muscle paralysis in horses.
- Early diagnosis and intervention are critical for optimizing muscle regeneration outcomes.
- Further research may explore techniques to enhance nerve recovery and muscle regrowth in chronic cases.