Occupational Asthma Reference
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Kattan M, Keens TG, Mellis CM, Levison H.,
The response to exercise in normal and asthmatic children,
J Paediatr,
1978;92:718-721,
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Keywords: exercise astha, children,
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Abstract
Twenty-five normal and 105 asthmatic children were exercised on a treadmill. Pulmonary function was assessed before and after exercise. The maximum fall from the resting value in normal subjects depended on the test used: PEFR 12.5%; FEV, 10%; MMEF 26%; V50 30%; V25 33%. Using these criteria, PEFR and FEV, detected 99% of those asthmatic children who had a positive exercise response. The largest fall from the resting value was seen with the MMEF, but this test detected only 70% of the positive responders. The pre-exercise function did not affect the severity of the response but did have an effect on the incidence of exercise-induced bronchospasm.
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