ISSN 2398-2942      

Laryngoscopy

icanis

Introduction

Uses

  • Evaluation of laryngeal structure and function.
  • Investigation of:
    • Phonation changes (loss of bark or purr).
    • Gagging or coughing during eating or drinking.
    • Stridor.
    • Increased respiratory effort, noisy breathing or cough.
    • Exercise intolerance.
    • Elongated soft palate Soft palate: elongated : should be anticipated and treated at the time of scoping if possible (resection Soft palate: resection ).
    • Laryngeal mucosal edema.
    • Edematous/everted laryngeal saccules (lateral ventricles).
    • Laryngeal paralysis Larynx: paralysis : may be unilateral or bilateral.
    • Laryngeal collapse Larynx: disease overview : a life threatening complication of chronic upper airway obstruction.
    • Laryngeal neoplasia Larynx: neoplasia : lymphoma, squamous cell carcinoma, other carcinomas are the common types.
    • Epiglottic entrapment: secondary to other inspiratory problems, typically very intermittent.

Advantages

  • Technically easy procedure.
  • Any combination of instruments can be used as long as adequate illumination of larynx is generated.

Disadvantages

Requirements

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Preparation

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Procedure

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Aftercare

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Creevy K (2009) Airway Evaluation and Flexible Endoscopic Procedures in Dogs and Cats: Laryngoscopy, Transtracheal Wash, Tracheobronchoscopy, and Bronchoalveolar Lavage. Vet Clin North Am Small Anim Pract 39 (5), 869-880 PubMed.
  • Noone K E (2001) Rhinoscopy, Pharyngoscopy, and Laryngoscopy. Vet Clin North Amer Small Anim Pract, 31 (4), 671-689 PubMed.

Other sources of information

  • Padrid P A (2011)Laryngoscopy and Tracheobronchoscopy of the Dog and Cat.In: Tams T R, Rawlings C A (eds)Small Animal Endoscopy, St Louis, Elsevier Mosby.
  • Levitan D, Kimmel S (2008)Flexible endoscopy: respiratory tract.In: Lhermette P, Sobel D (eds)BSAVA Manual of Canine and Feline Endoscopy and Endosurgery, Quedgeley, British Small AnimalVeterinary Association.

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