Laryngeal Paralysis (Acquired)
Acquired laryngeal paralysis is an idiopathic disease characterized by neurodegeneration of the recurrent laryngeal nerve, which innervates the cricoarytenoideus dorsalis muscle, resulting in a lack of abduction of the arytenoid cartilages.
Age of Onset: More likely to affect dogs greater than 7 years of age, however, any age of animal can be affected.
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 in clinical examination
Other
Cough
Hoarse bark
Noisy breathing
Gagging
Retching
Vomiting
Coma
Aspiration
Fever
Movement
Collapse
Weakness
Special Functions (e.g. respiration; urination)
Dyspnea
Exercise intolerance
Inspiratory stridor
Muscle Atrophy
Atrophy of cricoarytenoideus dorsalis - not apparent in clinical examination
Other
Cough
Hoarse bark
Noisy breathing
Gagging
Retching
Vomiting
Coma
Aspiration
Fever
Neuromuscular
Unknown
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