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Chest, Vol 104, 1342-1345, Copyright © 1993 by American College of Chest Physicians

ARTICLES

Bronchodilator reversal of bronchospasm and symptoms incurred during methacholine bronchoprovocation challenge. Documentation of safety and time course

MR Pratter, TC Bartter and J Dubois
Department of Medicine, Robert Wood Johnson School of Medicine, Cooper Hospital/University Medical Center, Camden, NJ.

We undertook a prospective study of bronchoprovocation challenge (BPC) to look at issues of safety and reversibility of bronchospasm and symptoms induced by BPC. Over a 14-month interval, we documented 62 consecutive cases of bronchial hyperresponsiveness. During BPC, there was a statistically significant but clinically modest increase in both cough and dyspnea. Both bronchospasm and symptoms were readily reversed with a simple protocol of inhaled albuterol using a metered-dose inhaler with a spacer. Routine protocol was effective in every case; there was never a need for individualized physician intervention. Our prospective data document the safety of BPC; we could find no reason why BPC would need to be confined to the hospital. We conclude that BPC is a valuable clinical test which merits wider dissemination and use.




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Copyright © 1993 by the American College of Chest Physicians.