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Post-exercise Pulmonary Function Changes in Asthmatic Children.

Journal of the Korean Pediatric Society 1986;29(4):353-360.
Published online April 30, 1986.
Post-exercise Pulmonary Function Changes in Asthmatic Children.
Hee Joo Jeon, Jong Woo Shin
Dept. of Pediatrics, College of Medicine, Busan National University
기관지 천식환아에서 운동부하시 폐기능의 변화
전희주, 신종우
부산대학교 의과대학 소아과학교실
The pulmonary function tests were made after exercise provaction using bicycle in 22 :asthmatic and 6 healthy children. The results obtained were summarized as follows: 1) There was no significant difference in pre-exercise pulmonary function tests between asthmatic and control children. 2) Among 22 asthmatic children, 17-10 children(77.3%~45.5%) according to different test indices, showed significant air way obstruction after exercise. 3) In the time course of post-exercise pulmonary function changes, Vmax50%, PEFR, TEVI, FVC decrease and spontaneously recovered within 15〜 30 minutes. 4) There was no significant difference in serum IgE level between the group which developed post-exercise airway obstruction and the group which not. 5) Among 10 cases who felt usually post-exercise airway obstructive symptom, 9 cases (90%) showed significant airway obstruction in pulmonary function tests and among 12 cases who could not felt them, 8 cases(66.7%) showed significant airway obstruction.
Key Words: Bronchial asthma, Exercise, Pulmonary function test.

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