Lapis ISSN 2398-2969

Bulla osteotomy

Contributor(s): Ron Rees Davies, Livia Benato, Anna Meredith

Introduction

  • Surgical access to the tympanic bulla via a ventral approach osteotomy.

Uses

  • Investigation and treatment of otitis media when medical therapy fails.
  • For middle ear bacterial and fungal infections.
  • Where there is extension of the infection into the bone of the tympanum or external bony meatus, or where the tympanum has ruptured extending the disease to an otitis externa.
  • Investigation and treatment of neoplasia of the middle ear.

Advantages

  • Allows full exposure of the contents of the tympanic bulla.
  • Facilitates sampling for bacterial or fungal culture and histopathology.
  • Facilitates curettage, drainage and flushing of purulent debris.
  • Provides a route for administration of topical treatment.
  • Allows placement of antibiotic impregnated polymethylmethacrylate PMMA beads.

Disadvantages

  • Post-operative complications.
  • Advanced surgical skills and specialized instrumentation are necessary.

Requirements

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Preparation

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Procedure

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Aftercare

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Outcomes

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Prognosis

  • Guarded.

Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Chow E P, Bennett R A & Dustin L (2009) Ventral bulla osteotomy for treatment of otitis media in a rabbit. J Exotic Pet Med 18 (4), 299-305 VetMedResource
  • Capello V (2004) Surgical treatment of otitis externa and media in pet rabbits. Exotic DVM 6 (3) 15-21 VetMedResource.

Other sources of information

  • Redrobe S (2006) Surgical Procedures and Dental Disorders. In: Manual of Rabbit Medicine and Surgery. Ed: Flecknell P. BSAVA, UK. pp 117-134.
  • Swindle M M & Shealy P M (1996) Common Surgical Procedures in Rodents and Rabbits. In:Handbook of Rodent and Rabbit Medicine. Eds: Laber-Laird K, Swindle M M & Flecknell P. Pergamon, UK.
  • Barone R, Pavaux C, Blin PC & Cuq P (1976) Atlas dAnatomie du Lapin. Masson et cie, Paris.


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