Page 84 - BSAVA Guide to Pain Management in Small Animal Practice

5 | Pharmacological treatment of pain

VetBooks.ir Perioperative period Drugs and protocol Comments

ethadone . mg kg i.m., ketamine
Pre-anaesthetic
ood analgesia and profound sedation from
medication mg kg i.m., medetomidine 1 g kg i.m. this drug combination enabling i.v. catheter
placement and reduction of anaesthetic
agent requirements
Intraoperative entanyl g kg i.v. if there is reaction to May cause transient apnoea and bradycardia
analgesia surgical stimulation, repeat as necessary
or convert to infusion at 1 g kg
minute
etamine infusion 1 g kg minute
Local anaesthetic/ Consider an epidural in ection of .1 mg Epidural morphine provides good analgesia
regional analgesia kg preservative-free morphine. for up to 4 hours, but there is possibility of
technique In ltration of laparotomy incision with failure of administration
bupivacaine
Postoperative Consider methadone . mg kg i.m. at Consider changing to buprenorphine after 4
analgesia the end of procedure if this is around 4 hours (to avoid interaction with morphine
hours after pre-anaesthetic medication. epidural)
Pain checks every hours initially, then A single dose of NSAID is unlikely to cause a
every 4 hours as the patient improves, problem even if liver function is decreased,
with methadone repeated every 4 but avoid if the patient has a coagulopathy
hours if painful. Ketamine infusion at
g kg min. Non steroidal anti
in ammatories if still painful
Recommended analgesic protocol for an uncooperative cat with triaditis undergoing exploratory
laparotomy for liver and intestinal biopsies.

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