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Related Experiment Video

Updated: Jun 18, 2026

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

Dyspnea caused by epiglottic retroversion in two dogs.

James A Flanders¹, Margret S Thompson

¹Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14850, USA. jaf7@cornell.edu

Journal of the American Veterinary Medical Association

|December 3, 2009

Summary

Excessive epiglottic mobility in dogs can cause breathing difficulties. Surgical fixation of the epiglottis horizontally resolved this dyspnea in two canine patients.

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Published on: February 5, 2021

Area of Science:

Veterinary Medicine
Canine Respiratory Surgery

Background:

Elongated soft palate resection is a common treatment for canine dyspnea.
Dyspnea can persist in some dogs even after soft palate surgery.

Observation:

Two dogs, a Boxer and a Yorkshire Terrier, presented with persistent dyspnea post-elongated soft palate resection.
Laryngoscopy revealed caudal epiglottic displacement into the rima glottidis.
Fluoroscopy showed excessive epiglottic mobility causing episodic glottic obstruction.

Findings:

Surgical fixation of the epiglottis in a horizontal plane was performed.
The procedure involved resecting oral mucosa at the epiglottic base and suturing the defect.
Successful epiglottic fixation resolved dyspnea in both dogs.

Implications:

Excessive epiglottic mobility is a potential cause of glottic obstruction and dyspnea in dogs.
Epiglottic fixation offers a viable surgical solution for resolving dyspnea associated with epiglottic retroversion.