Pain evaluation post hemilaminectomy
Researchers evaluated mechanical sensory thresholds (MSTs) in dogs after hemilaminectomy over a 1-year period. Thirty-two healthy dogs and 40 dogs with spinal cord injury were examined. The dogs were divided into three groups, group 1 were healthy Dachshunds, group 2 were healthy dogs of various breeds, and group 3 were dogs with spinal cord injury.
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The results of the study showed that the mechanical sensory threshold of spinal cord injury dogs was significantly lower than healthy dogs for 42 days. Approximately 15% of dogs with injury had control site MST below the reference range 1 year after surgery.
The study suggests that mechanical sensory thresholds normalize by 6 months post surgery. Approximately 15% of spinal cord injury dogs may develop chronic neuropathic pain.
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