bronchoconstrictor


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bronchoconstrictor

[¦bräŋ·kō·kən¦strik·tər]
(pharmacology)
Any agent that causes a narrowing of the air passages in bronchi and bronchioles.
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Also, pranayama with its calming effect on the mind can reduce emotional stresses, thereby withdrawing the bronchoconstrictor influences.
Respiratory functions of tea workers, employed in processing different types of tea, showed prevalence of almost all chronic respiratory symptoms; acute reductions in forced expiratory volume in one second were considerably smaller suggesting the bronchoconstrictor effect of the tea-dust that acts mostly on smaller airways.
In addition, no changes to bronchoconstrictor responses to histamine were noted.
Leukotriene receptor antagonists block the bronchoconstrictor and proinflammatory activity of cysteinyl leukotrienes (metabolites of arachodonic acid produced by mast cells, basophils and eosinophils) within the asthmatic airway.
Cardioselective beta-blockers are useful in patients with hypertension who also have impaired pulmonary function, as they eliminate the unwanted bronchoconstrictor effects caused by nonselective beta-blockers (e.
Cholinergic nerves are the predominant bronchoconstrictor pathway in airways and cholinergic neurotransmission may be increased in asthma by the effects of inflammatory mediators on afferent nerves (reflex effect) and on prejunctional receptors on postganglionic nerves (9).
Combivent Inhalation Aerosol[R] is a combination of ipratropium (a long-acting, anticholinergic, bronchoconstrictor antagonist) and albuterol (a beta-2 adrenergic bronchodilator).
Narcotics can also be a mild bronchoconstrictor and should be used during labor and delivery with care; epidural anesthesia, which is safe in asthmatics, is preferable.
Bronchoconstrictor properties of preservatives in ipratropium bromide (Atrovent) nebuliser solution.
These studies nicely show that such drugs inhibit the bronchoconstrictor response," Stechschulte says.
The effect of SINGULAIR on the bronchoconstrictor response to aspirin or other non-steroidal anti-inflammatory drugs in aspirin-sensitive asthmatic patients has not been evaluated (see PRECAUTIONS, General).
Effects of inactive solution on bronchial reactivity under bronchoconstrictor or bronchodilator suggestion.