Laryngeal Paralysis (Congenital)
Congenital laryngeal paralysis occurs through neurodegeneration of the recurrent laryngeal nerve which innervates the cricoarytenoideus dorsalis muscle resulting in the arytenoid cartilages not abducting normally.
Age of Onset: 4-6 months of age
Sex Predisposition: Any sex of animal can be affected
Clinical Course:
Clinical signs may worsen over time
Clinical signs may worsen over time
Clinical Signs:
Movement
Collapse
Weakness
Special Functions (e.g. respiration; urination)
Dyspnea
Exercise intolerance
Inspiratory stridor
Muscle Atrophy
Atrophy of cricoarytenoideus dorsalis - not apparent on clinical examination
Other
Cough
Hoarse bark
Noisy breathing (wheezing)
Movement
Collapse
Weakness
Special Functions (e.g. respiration; urination)
Dyspnea
Exercise intolerance
Inspiratory stridor
Muscle Atrophy
Atrophy of cricoarytenoideus dorsalis - not apparent on clinical examination
Other
Cough
Hoarse bark
Noisy breathing (wheezing)
Neuromuscular junction
Autosomal recessive mutation in RAPGEF6 gene
For breed specific genetic testing, follow the links below:
https://www.gensoldx.com/tests/laryngeal-paralysis-lp/
For breed specific genetic testing, follow the links below:
https://www.gensoldx.com/tests/laryngeal-paralysis-lp/
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