URT conditions in SA - BOAS+ Flashcards
Define stertor
Usually indicates BOAS
Snoring noise
Reverberant airflow in the upper airways
Indicates excessive or redundant soft tissue
Noise is worse when excited or sleeping
Define Stridor
Usually indicates laryngeal paralysis
Harsh noise on Inspiration
Resolves when sleeping or relaxed
Exacerbated by exercise and excitement
Indicated failure of the Glottis to open
Primary components of BOAS
Stenotic nares
Elongated soft palate
Excess pharyngeal mucosa
Aberrant turbinate’s
Hypoplastic trachea
Secondary components of BOAS
Everted laryngeal saccules
Laryngeal collapse
Tonsillar hyperplasia and eversion
Regurgitation
Hiatal hernia
Consequence of Brachycephalica
Increased respiratory effort
Turbulent airflow
Inflammation and thickening of soft tissues
Stertor
T/F Elongated soft palate can be diagnosed without GA
False!
What is larygeal collapse
Arytenoid Cartlidge’s collapse in narrowing the glottis
Secondary condition due to increased airway pressures from upper airway disease
What is laryngeal Paralysis
Glottis does not abduct on inspiration
Caused by Dorsal Cricoarytenoid muscle failure
Treatment for emergency laryngeal Paralysis
Sedate to calm and reduce resp. rate (acepromazine)
Corticosteroids - Dexamethasone
Cool
Supply oxygen
Refer for surgery
Temporary tracheostomy
Cause of aspiration pneumonia
Glottis doesn’t close when the patient swallows and food or liquid is aspirated causing an aspiration pneumonia
List causes of feline upper respiratory disease
Feline nasopharyngeal polyps
Neoplasia
Boas – (brachycephalic breeds such as Persian)
Laryngeal paralysis
Iatrogenic (post thyroidectomy surgery)
Idiopathic