Asthmatic Risk Long After Cat Allergen Exposure

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Omschrijving
For the first time, researchers have shown that cat allergens can impair lung function in people with asthma for up to 22 hours after exposure. The study was presented today at the annual meeting of the Radiological Society of North America (RSNA).

"We studied cat allergen because it's an extra-fine particle that is both airborne and capable of penetrating deep into the small airways of the lungs," said lead author Jared W. Allen, Ph.D., researcher at David Geffen School of Medicine at the University of California, Los Angeles.

Exposure to cat allergen is very common and can contribute significantly to morbidity in the 15 million Americans with asthma. In many cases, the lung changes triggered by allergen exposure do not produce symptoms but contribute to persistent inflammation in the small airways that, if untreated, could lead to subsequent severe asthma attacks.

 

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Categorie: astma - allergie

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