Effect of exercise stress on the bronchospastic response of asthmatics in remission.
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1989-03-01
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Abstract
Twenty asthmatics in remission phase were subjected to exercise stress by running on level ground for 6 minutes and the degree of airway obstruction was measured by a peak flowmeter. The response was compared to 20 normal healthy volunteers. The prevalence of exercise induced asthma (EIA) was observed to be 75% among the asthmatics with male preponderance. A 100% response was seen in asthmatics of more than 25 years age. EIA was more, and so was the degree of response, as the duration of illness increased. The maximal fall in PEFR from its basal value was seen in the 6th minute after stopping the exercise in majority of the cases. No positive response was observed among the healthy controls.
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Sinha SB, Yadav CN. Effect of exercise stress on the bronchospastic response of asthmatics in remission. Journal of the Indian Medical Association. 1989 Mar; 87(3): 58-61