Surgical respiratory diseases

Question 1

What breeds are predisposed to laryngeal paralysis?

Answer 1

Irish Red Setter
Poodle
Labs and Retrievers

Question 2

An Irish red setter presents with inspiratory stridor, reduced exercise tolerance, syncope when stressed, altered phonation and gagging with eating or drinking. What is your most likely diagnosis?

Answer 2

Laryngeal paralysis
(Altered innervation/function of cricoarytenoideus dorsalis muscle)

Question 3

Laryngoscopy can be used to diagnose laryngeal paralysis. What hormones should be checked in cases of laryngeal paralysis?

Answer 3

Thyroid levels

can get facial nerve or laryngeal paralysis

Question 4

How is tracheal collapse graded?

Answer 4

Grade 1 - 25% reduction in diameter
Grade 2- 50% reduction in diameter
Grade 3 - 75% reduction in diameter
Grade 4 - 100% reduction

Question 5

What is the maximum number of tracheal rings that can be resected?

Answer 5

5-6

Question 6

How is laryngeal paralysis treated?

Answer 6

Laryngeal tieback

arytenoid lateralisation