bronchoconstriction

(redirected from Airway constriction)
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Related to Airway constriction: Bronchoconstriction, bronchoconstrictor

bronchoconstriction

[¦bräŋ·kō·kən¦strik·shən]
(physiology)
Narrowing of the air passages in bronchi and bronchioles.
References in periodicals archive ?
5] Furthermore, the results of the present study showed that the values of PFT of smokers were significantly increased due to 200 ng inhaled salbutamol indicating some degree of reversibility of the airway constriction in smokers.
The device uses thermal energy to reduce the smooth muscle that is responsible for airway constriction occurring in patients with severe asthma.
For example, the smoking of various substances (including marijuana, heroin, and crack cocaine) has been implicated in certain forms of pulmonary damage including airway constriction and obstruction, emphysema, and possibly cancer.
With this inhalable antiasthma drug, airway constriction in the sheep was about a quarter of what it was with no drug.
Anaphylaxis is the most severe allergic reaction the body has, and includes airway constriction, due to swelling of the tongue and throat, low blood pressure, as well as other symptoms, and can lead to death.
Exposure to crude brevetoxins caused immediate bronchoconstriction in the sheep as evidenced by a twofold increase in airway constriction.
Treatment for allergies and asthma fall into two categories: those offering quick relief like antihistamines, nasal sprays (corticosteroids), decongestants and inhalers containing beta agonists that can prevent attacks; and long-term medications to reverse inflammation and relieve airway constriction (cromolyn sodium and leukotriene modifiers).
Asthma--a chronic lung disease characterized by airway constriction and inflammation--typically causes symptoms in the chest.
Histamine has long been known as a major activator of airway constriction and inflammation in allergic reactions and asthma.
Bronchodilator drugs (prescription drugs that relax and open up air passages in the lungs) -- may be prescribed to treat emphysema if there is a tendency toward airway constriction or tightening.
THEOPHYLLINE, one of the most effective asthma drugs, relaxes the muscles around the bronchi and makes these muscles less irritable, preventing airway constriction.