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Detailed initial consultation and full work up. |
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Hair and skin scrape microscopy |
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Intradermal skin testing for atopic patients |
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Immunotherapy |
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Skin biopsy |
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Routine 'allergy clinic' appointments |
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Internal medicine back-up |
Our referral veterinary surgeons for dermatology are
David and Alison Shearer, and they visit the practice approximately every two weeks to see
cases.
David Shearer BVetMed CertSAD PhD CBiol MIBiol
MRCVS
David (right)
qualified from the RVC in 1984, than became a Junior Fellow in
Veterinary Dermatology at the University of Bristol.
He obtained the CertSAD in 1990 and a PhD in 1995 for a thesis titled
Immunological Studies of Canine Staphylococcal Pyoderma. Dr Shearer was a
Lecturer in Veterinary Pathology at Bristol for nearly 5 years, during which he had a
particular interest in cutaneous immunology, dermatohistopathology, ectoparasites and
information technology. He has co-authored a textbook of veterinary entomology and
published papers on skin immunology and dermatology.
He is also a diagnostic histopathologist with Finn Pathologists, specialising in
dermatohistopathology.
Alison
Shearer BVetMed CertSAD MRCVS
Alison
qualified from the Royal Veterinary College in 1988 and after periods in mixed and small
animal practice, she completed a three year veterinary dermatology residency programme at
The University of Bristol Veterinary School obtaining her CertSAD in 1994. Alison has
lectured and presented papers at veterinary conferences in the UK and in Europe.
The bulk of referred cases are dogs with atopic dermatitis,
with a smaller proportion of idiopathic recurrent pyodermas. In cats, flea bite dermatitis
is the most frequent diagnosis. However cases of cheyletiellosis and sarcoptic mange are
still being seen.
The preferred mode of the therapy for uncomplicated atopic dermatitis remains
immunotherapy (desensitisation) based on the results of intradermal skin testing. A
significant number of dogs with atopic dermatitis are successfully treated by
immunotherapy and, although this is a long-term control method and not a cure, the
majority of clients prefer this type of therapy when compared to the alternatives. The
most suitable cases for immunotherapy are young dogs with little secondary pyoderma or
associated flea allergy. The key to success with immunotherapy is an early diagnosis and
early therapy once.
Dogs have a chronic recurrent secondary pyoderma or have had chronic glucocorticoid
therapy (even if only intermittently) they do not appear to be as good candidates for
immunotherapy.
Although there are no significant developments in the treatment of atopic
dermatitis in dogs some successes using oral cyclosporin have been reported. However this
is a very expensive form of treatment. In man there are a variety of developments in the
treatment of atopic dermatitis, in particular, topical phosphodiesterase inhibitors show
particular promise. It is likely to be a number of years before this type of therapy
becomes available for treatment of canine atopy.
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