bronchial provocation

bronchial provocation

bron·chi·al prov·o·ca·tion

(brong'kē-ăl prov-ŏ-kā'shŭn)
A procedure for identifying and characterizing hyperresponsive airways by having the subject inhale an agent known to cause (or suspected of causing) a decrease in pulmonary function.
References in periodicals archive ?
For confirmation of asthma diagnosis, bronchial provocation tests can be included in asthma prevalence protocols as the bronchial reversibility test might show false negative results particularly in subjects with intermittent symptoms.
The results of this study indicate a higher frequency of bronchial hyperresponsiveness to bronchial provocation by the exercise method (40%) than that by the hypertonic saline solution inhalation method (26.
Partial responder and nonresponder patients entered the next diagnostic phase: a methacholine bronchial provocation test (MPT) (7) and eosinophil count with induced sputum by hypertonic saline (3% NaCl).
If treatment succeeded at any step in our algorithm, we asked patients to stop taking medication--with the exception of those who had positive results on methacholine bronchial provocation test.
Elsewhere, oral or bronchial provocation with different doses of aspirin is common.
Subsequently, all subjects were given a standard bronchial provocation test, during which they inhaled five breaths of increasing concentrations of allergens.
Nasal provocation can be eschewed in favor of bronchial provocation, but the upper airway test has several distinct advantages.
Subjects were randomised to receive either inhaled Pumactant or a placebo before receiving a standard bronchial provocation test, inhaling five breaths of increasing concentrations of allergens.