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*Oesophagitis can occur secondary to persistent vomiting, secondary to reflux of gastric juice, secondary to hiatal hernia, and following ingestion of caustic substances.

*Oesophagitis can occur secondary to persistent vomiting, secondary to reflux of gastric juice, secondary to hiatal hernia, and following ingestion of caustic substances.

*Oesophageal motility disorders include primary megaoesophagus, myasthenia gravis, dysautonomia, and polymyopathy. Of these potential causes, acute onset regurgitation in a young cat would be most commonly due to oesophagitis, oesophageal stricture, foreign body, anterior mediastinal lymphoma, primary megaoesophagus, and persistent right aortic arch. The recent onset of signs would suggest the latter two are less likely.

*Oesophageal motility disorders include primary megaoesophagus, myasthenia gravis, dysautonomia, and polymyopathy. Of these potential causes, acute onset regurgitation in a young cat would be most commonly due to oesophagitis, oesophageal stricture, foreign body, anterior mediastinal lymphoma, primary megaoesophagus, and persistent right aortic arch. The recent onset of signs would suggest the latter two are less likely.

|l1=Oesophagus - Pathology

|l1=Regurgitation

|q2=What can be seen on the contrast oesophagram taken after the cat was offered food mixed with barium? Suggest a likely diagnosis.

|q2=What can be seen on the contrast oesophagram taken after the cat was offered food mixed with barium? Suggest a likely diagnosis.

|a2=

|a2=

The spot fluoroscopy film demonstrates accumulation of a barium bolus in the cervical and proximal thoracic oesophagus, cranial to a tapered area of barium typical of a stricture. The narrowed area is too far cranial to be due to a persistent right aortic arch. This cat had been anaesthetized for castration 2 weeks previously, and this was a post-anaesthetic (reflux) stricture.

The spot fluoroscopy film demonstrates accumulation of a barium bolus in the cervical and proximal thoracic oesophagus, cranial to a tapered area of barium typical of a stricture.  

 

The narrowed area is too far cranial to be due to a persistent right aortic arch.  

 

This cat had been anaesthetized for castration 2 weeks previously, and this was a post-anaesthetic (reflux) stricture.

|l2=Oesophageal Stricture

|l2=Oesophageal Stricture

|q3=What would be a suitable treatment regimen?

|q3=What would be a suitable treatment regimen?

|a3=

|a3=

Optimal treatment for this case would be repeat balloon dilation of the stricture (several dilations may be required initially at 2–3 day intervals but less frequently as the condition improves), combined with medical therapy. This comprises a mucosal protectant (e.g. sucralfate), an H2-blocker (e.g. famotidine), anti-inflammatory doses of prednisolone, possibly colchicine (to inhibit fibrosis and stricture reformation), and a low-fat diet to encourage gastric emptying.

Optimal treatment for this case would be repeat balloon dilation of the stricture (several dilations may be required initially at 2–3 day intervals but less frequently as the condition improves), combined with medical therapy.  

 

This comprises a mucosal protectant (e.g. sucralfate), an H2-blocker (e.g. famotidine), anti-inflammatory doses of prednisolone, possibly colchicine (to inhibit fibrosis and stricture reformation), and a low-fat diet to encourage gastric emptying.

|l3=Oesophageal Stricture

|l3=Oesophageal Stricture

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