Page 152 - BSAVA Guide to Pain Management in Small Animal Practice

7 | Ophthalmic pain

VetBooks.ir e ex p e Enucleation

HISTORY AND PRESENTATION ANALGESIC PLAN
A 1 year old female neutered Labrador ■ pioid methadone . mg kg i.m.
Retriever was presented for enucleation due ■ NSAI administered following
to chronic glaucoma. he dog had a 6 month assessment of minimal risk of further
history of medically managed glaucoma of haemorrhage.
the right eye, which was now intractable to ■ Local anaesthesia techni ue retrobulbar
medical treatment. block; bupivacaine maximum dose
1 mg kg see igure 7.1 ; volume
CLINICAL SIGNS re uired ml.
Exophthalmos, head shyness, con unctival POSTOPERATIVE CARE
hyperaemia, uveitis and raised intraocular
pressure. Assess for pain taking into consideration
bupivacaine duration of action 6 8 hours .
SIGNS OF PAIN ethadone . mg kg i.m. every 4 hours
starting at maximum of 6 hours post
Photophobia, reluctance to allow clinical retrobulbar block.
examination and uncharacteristic aggression.

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