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Dogs
Inadvertent catheterisation of the auditory tube during myringotomy in a dog
  1. Sarah Long,
  2. Mark John Plested,
  3. Emma K Mapletoft,
  4. Anette Loeffler and
  5. Ross Bond
  1. Department of Clinical Science and Services, Royal Veterinary College, Hatfield, Hertfordshire, UK
  1. Correspondence to Sarah Long; slong{at}rvc.ac.uk

Abstract

A four-year-old female neutered Cocker Spaniel with a two-year history of relapsing bilateral otitis underwent general anaesthesia and myringotomy for the management of otitis media. This had been previously diagnosed using CT and video-otoscopy six weeks earlier. Due to the thickened and convex nature of the tympanum, the myringotomy incision was made in the caudodorsal quadrant of the tympanum and not the caudoventral quadrant as intended. The catheter advanced freely for several centimetres and air was aspirated. CT confirmed that the catheter had passed through the auditory tube and into the nasopharynx. To the authors’ knowledge, this is the first report of inadvertent auditory tube catheterisation during myringotomy in the dog. It highlights the importance of accurate catheter placement and the difficulties associated with this in thickened or bulging tympanic membranes.

  • myringotomy
  • auditory tube
  • dogs
  • otitis media
  • otoscopy
  • ear, nose and throat (ENT)
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Footnotes

  • Contributors All authors were involved in the assessment, clinical decision-making and management of the case. SL and RB wrote the clinical descriptions, and MJP and EKM described the radiological features in the manuscript. All authors read, edited and approved the final 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 All data relevant to the study are included in the article.

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