Resolution of dysphagia following cricopharyngeal myectomy in six young dogs |
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Authors: | Niles J D Williams J M Sullivan M Crowsley F E |
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Institution: | Small Animal Teaching Hospital, The University of Liverpool. |
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Abstract: | Six young dogs were presented with a history of dysphagia and nasal regurgitation since birth. Following cranial nerve examination and assessment of swallowing with fluoroscopy, a diagnosis of cricopharyngeal achalasia was made in each case. In four dogs, concomitant aspiration pneumonia was present. Sectioning and removal of part of the cricopharyngeal muscle resulted in immediate and continued resolution of all signs of dysphagia and nasal regurgitation over follow-up periods of two to eight years. Postoperative complications were not seen in any case. In five of the six dogs, the cricopharyngeal muscle was approached laterally, a technique not previously described. |
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