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Dogs
Accidental arterial catheterisation during a maxillary nerve block using a modified infraorbital approach in a dog
  1. Paul Massimo Giannoni McCarthy1 and
  2. Arthur Yuk Kong Chau1,2
  1. 1School of Veterinary Science, The University of Sydney, Camperdown, New South Wales, Australia
  2. 2Research Ethics & Compliance Support, University of New South Wales, Kensington, New South Wales, Australia
  1. Correspondence to Dr Paul Massimo Giannoni McCarthy; paul.m.giannoni{at}gmail.com

Abstract

The maxillary nerve block (MNB) is a local anaesthetic technique used in dentistry and oromaxillofacial surgery, with recent popular use for minimising adverse reactions during rhinoscopy. A modified approach via the infraorbital foramen using an intravenous catheter has been recently described in the veterinary literature to minimise potential nerve block associated complications. This case report describes inadvertent arterial catheterisation using the aforementioned technique in a 5.4-kg, 9-year-old male neutered Maltese terrier cross that was presented for diagnostic workup of a chronic cough that had recently worsened. To the authors’ knowledge, this is the first case report of such a complication. It is recommended for veterinary practitioners to be aware of accidental arterial puncture and catheterisation whenever a modified infraorbital approach to the MNB is performed in order to facilitate rapid intervention and management.

  • analgesia
  • maxillary nerve block
  • arterial catheterisation
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Footnotes

  • Contributors Both authors contributed equally to both the clinical work involved in this case and production of the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data availability statement There are no data in this work.

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