Why the study?
Does surgery provide long-term relief of lameness in dogs with fibrotic myopathy of the semitendinosus muscle?
Does surgery provide long-term relief of lameness in dogs with fibrotic myopathy of the semitendinosus muscle?
Surgery to relieve fibrotic myopathy of the semitendinosus muscle in dogs is ineffective long-term, as lameness and fibrosis recur within six months.
Challenges assumptions of durable surgical benefit; leaves open whether alternatives are needed for canine semitendinosus fibrotic myopathy.
Fibrosis of the semitendinosus muscle resulted in a characteristic gait abnormality in four male German shepherd dogs. Blood chemistry, electrophoresis, and electromyographic studies were performed. Surgery was undertaken in each case to relieve the restricting fibrous tissue. The lameness returned with reappearance of the fibrous band within six months. The etiology of fibrotic myopathy is unknown, but electromyographic studies and electrophoresis results suggest a myopathy due to chronic inflammation. Histopathologic exam reveals replacement of degenerating muscle fibers with connective tissue.
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Moore et al. (1981) studied this question.
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