Objective: To identify this vagal reflex using bronchial provocation tests in patients with gastroesophageal reflux disease. Methods: The study group was composed of 10 patients presenting endoscopic evidence of hiatal hernia or gastroesophageal reflux disease, and the control group consisted of 11 patients presenting no evidence of either condition.All subjects were submitted to bronchial provocation with carbachol. Results: The provocation test was positive in 5 (50%) of the study group patients and 3 (27%) of the control group patients (p = 0.64). Conclusion: The hypothesis that the airways of patients with gastroesophageal reflux disease (and no history of asthma-like respiratory symptoms) might be more responsive than those of individuals without the disease remains unproven.
Original ArticleJ Bras Pneumol. 2005;31(4):286-91 287 Bronchial hyperreactivity in patients with gastroesophageal reflux disease
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