Page 83 - BSAVA Guide to Pain Management in Small Animal Practice
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BSAVA Guide to Pain Management in Small Animal Practice



        VetBooks.ir  Example regimens
                                                  Analgesia for an elderly Cocker Spaniel with
           Lens luxation and glaucoma
           Analgesia for enucleation in a healthy young   chronic otitis externa for an ear  ush  outpatient
                                                  is detailed in  igure  .7.
           Jack Russell Terrier due to lens luxation and
           glaucoma is detailed in  igure  .6.    Exploratory laparotomy
                                                  Analgesia for an uncooperative cat with triaditis
                                                  undergoing exploratory laparotomy for liver and
                                                  intestinal biopsies (inpatient) is detailed in
                                                   igure  .8.


            Perioperative   Drugs and protocol          Comments
            period
            Pre-anaesthetic    ethadone  .  mg kg i.m., medetomidine    ood analgesia from methadone  possibly
            medication        g kg i.m., carprofen 4 mg kg s.c.  enhanced by the medetomidine) and
                                                        carprofen. Moderate sedation, anti-
                                                        in ammatory e ect
            Intraoperative    entanyl    g kg i.v. if there is reaction to   May cause transient apnoea and
            analgesia      surgical stimulation, repeat as necessary  bradycardia
            Local anaesthetic   Retrobulbar block or splash block using   Excellent analgesia for 6 8 hours but
            technique      bupivacaine                  possibility of failure of block or patchy block
            Postoperative   Consider methadone  .  mg kg i.m. at the   Additional opioid may not be required due
            analgesia      end of procedure if this is around 4 hours   to the retrobulbar block and carprofen.
                           after pre-anaesthetic medication. Pain   Retrobulbar block should wear o  after 6 8
                           checks every   hours initially, with   hours, pain checks should be scheduled for
                           methadone repeated every   4 hours if   this time
                           painful
            Analgesia at home  Carprofen   mg kg orally  1 h for   days
                  Recommended analgesic protocol for enucleation in a healthy young Jack Russell Terrier.




            Perioperative period  Drugs and protocol  Comments
            Pre-anaesthetic    ethadone  .  mg kg i.m.   ood analgesia from methadone, mild sedation
            medication
            Intraoperative analgesia   etamine  .  mg kg i.v. as    ood analgesia for chronic pain
                             co-induction or after induction  May cause transient change in ventilation pattern
            Local anaesthetic   Consider auriculotemporal and   Some dogs with otitis are very reactive during ear
            technique        great auricular nerve blocks   procedures due to severe chronic pain and may
                             using lidocaine or bupivacaine  shake their heads despite being deeply
                                                    anaestheti ed; nerve blocks will prevent this
            Postoperative analgesia/  Non steroidal anti in ammatory   Paracetamol can be used concurrently with
            analgesia at home  drugs or paracetamol 1  mg kg   steroids
                              8 1 h
                  Recommended analgesic protocol for an ear  ush in an elderly Cocker Spaniel with chronic otitis
                  externa.

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