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Related Experiment Videos

A new brachial plexus block technique in dogs.

Fábio Futema1, Denise Tabacchi Fantoni1, José Otávio Costa Auler2

  • 1Department of Surgery, School of Veterinary Medicine, Universidade de São Paulo, São Paulo, Brazil.

Veterinary Anaesthesia and Analgesia
|April 14, 2017
PubMed
Summary

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This study shows a new brachial plexus anesthesia technique is effective for canine forelimb surgery, providing long-lasting pain relief. This regional anesthesia offers an alternative to general anesthesia, reducing associated risks in dogs.

Area of Science:

  • Veterinary Anesthesiology
  • Regional Anesthesia in Animals

Background:

  • General anesthesia in dogs carries inherent risks.
  • Regional anesthesia techniques offer potential benefits for pain management and reduced anesthetic complications.

Purpose of the Study:

  • To assess the feasibility and efficacy of a novel brachial plexus anesthesia technique in dogs.
  • To provide surgical analgesia for the canine forelimb distal to the shoulder.

Main Methods:

  • A prospective experimental study involving twelve adult mongrel dogs.
  • Brachial plexus block performed using the brachial artery as a landmark, guided by a nerve stimulator.
  • Bupivacaine (0.375% with epinephrine) administered at 4 mg kg-1 for surgical procedures like humeral osteotomy.
Keywords:
brachial plexusbupivacainecaninelocal anestheticorthopedic surgery

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Main Results:

  • Successful motor and sensory block onset times of 9.70 ± 5.52 and 26.20 ± 8.86 minutes, respectively.
  • Analgesia duration averaged 11.11 ± 0.47 hours, with 91.6% effectiveness.
  • No significant alterations in vital signs or blood gas parameters were observed in most animals.

Conclusions:

  • The described brachial plexus block technique is a feasible and effective method for providing surgical analgesia in the canine forelimb.
  • This regional anesthetic approach can be a valuable alternative to general anesthesia, potentially improving pain management and reducing anesthetic-related risks.