Coughing Dogs and Cats - Dogs and Cats Veterinary Referral

Coughing Dogs and Cats

An update on canine and feline bronchiolar disease

Nicole Guma, DVM, DACVECC, DACVIM (SAIM) Dogs and Cats Veterinary Referral and Emergency

Presentation Overview

Chronic bronchiolar disease (CBD) Canine Bronchitis Feline bronchiolar disease Diagnostics Treatment

Tracheobronchial tree

Bronchial wall

? Hyaline cartilage connected by smooth muscle

? Parasympathetic control ? Via recurrent laryngeal/ vagus ? Stimulates muscular contraction ? Glandular secretion

? Sympathetic control ? Sympathetic trunk ? Bronchodilation

? Tracheobronchial mucosa

CBD in dogs/cats

Chronic cough > 2 months

Variable degrees of dyspnea (cat > dog)

Expiratory effort, wheeze

Slowly progressive, not reversible but manageable

Goals ? Control clinical signs/preserve QOL ? Prevent progression

? Bronchiectasis ? Pulmonary hypertension, right heart enlargement

Canine Chronic bronchitis

Can be associated with

? Chronic airway irritation from

?Parasites ?Smoke or noxious gas exposure ?Foreign body ?Allergic disease ?Immune dysfunction ?LAE from cardiac disease ?Tracheal collapse

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