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Date:   15 March, 2010  

Focus: Small animals - dogs, cats, hamsters, guinea pig & rabbits.

Toa Payoh Vets Clinical Research
Making veterinary surgery alive
to a veterinary student studying in Australia
using real case studies and pictures

LATERAL EAR RESECTION IN A COCKER SPANIEL
Dr Sing Kong Yuen, BVMS (Glasgow), MRCVS
Date: 15 March, 2010  

CASE 2. Pictures of a lateral ear resection surgery performed by Dr Sing Kong Yuen

Chronic Otitis externa 2 ears Cocker Spaniel. Toa Payoh Vets, Singapore Chronic Otitis externa 2 ears Cocker Spaniel. Toa Payoh Vets, Singapore
Left ear before surgery.  Every day for many years, a yellow white ear discharge oozes out of the right and left ear canals. Head shaking, ear scratching.  Seen a few vets. A very busy owner. This uncle had no time to clean and check the ears daily or weekly. He decided. Get the dog put to sleep as the ear stench was persistent and unbearable even after bathing. The niece was against the action and took the dog to consult me. I recommended a lateral ear resection as a long-term inexpensive solution rather than ear drops and cleaning every week for the life span of this dog. Left ear prepared for surgery. General anaesthesia gas. The side wall of the vertical canal is the rectangular area to be cut away. It is best to mark the surgical site before surgery.  A hole will be seen at the completion of the surgery. This is the opening of the horizontal canal after the removal of the side wall (cartilage and skin).
Chronic Otitis externa 2 ears Cocker Spaniel. Toa Payoh Vets, Singapore Chronic Otitis externa 2 ears Cocker Spaniel. Toa Payoh Vets, Singapore
Left ear after surgery.  7 days after surgery and more drug treatment, cleaning and washing.  The owner may not be able to nurse the dog if sent home immediately. This would be one reason for "unsuccessful" ear operation. Therefore it is mandatory that the dog be retained for observation for 7-14 days. Cleaning and nursing at the Surgery rather than permit the dog to go home after surgery will lead to more satisfactory outcome for the dog and the owner. Right ear before surgery.  Cocker Spaniel warded for 2 weeks of treatment before the ear surgery can be done. The skin was intensely red, wet and soft, unlike what you see now. Full of yellowish white raw skin of infection. Not advisable to operate immediately. 2 weeks' antibiotic and cleaning treatment is the minimum.
Chronic Otitis externa 2 ears Cocker Spaniel. Toa Payoh Vets, Singapore Follow-up. The Cocker Spaniel led a ear pain-free life to old age. Some 2 years later, the young lady who rescued this dog from death by lethal injection brought the dog in for some horizontal canal cleaning.

Other than that, this dog had no more ear pain, itchiness and scratching of the neck, face and ears and was no more in pain when his ears were touched. Nor was he having bad body odour - I mean ear odour.   He lived to an old age with no painful ear shaking and scratching. Of course, no more business for the veterinarian too. 
Right ear after surgery.  Yellowish white raw skin areas finally gone away.  More normal skin grows to replace ulcerated skin. At least 4 weeks of stay at Toa Payoh Vets before the dog can be sent home in this case. The owner does not know how to take care of the ears post-operation.
 

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 Clinical Research

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