Brachycephalic obstructive airway syndrome information
Condition affecting short-nosed dogs and cats
The English bulldog, a typically brachycephalic dog breed, may have brachycephalic syndrome.A Peke-face Exotic shorthair.
Brachycephalic obstructive airway syndrome (BOAS), also known as brachycephalic airway obstructive syndrome (BAOS), brachycephalic airway syndrome (BAS), and brachycephalic syndrome (BS),[1] is a pathological condition affecting short nosed dogs and cats which can lead to severe respiratory distress. There are four different anatomical abnormalities that contribute to the disease, all of which occur more commonly in brachycephalic breeds: an elongated soft palate, stenotic nares, a hypoplastic trachea, and everted laryngeal saccules (a condition which occurs secondary to the other abnormalities). Because all of these components make it more difficult to breathe in situations of exercise, stress, or heat, an animal with these abnormalities may be unable to take deep or fast enough breaths to blow off carbon dioxide. This leads to distress and further increases respiratory rate and heart rate, creating a vicious cycle that can quickly lead to a life-threatening situation.
Brachycephalic dogs have a higher risk of dying during air travel and many commercial airlines refuse to transport them.[2][3]
Dogs experiencing a crisis situation due to brachycephalic syndrome typically benefit from oxygen, cool temperatures, sedatives, and in some cases more advanced medical intervention, including intubation.
^"Brachycephalic Airway Syndrome (BAS)" (PDF). University of Pennsylvania School of Veterinary Medicine. October 4, 2017.
^Gay, Lisa (April 24, 2019). "Taking Your Dog on a Plane Just Got Harder". New York Times. Archived from the original on April 24, 2019.
^"Air travel and short-nosed dogs FAQ". American Veterinary Medical Association.
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