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J Pediatr. 2002 Sep;141(3):343-8.

Effectiveness of screening examinations to detect unrecognized exercise-induced bronchoconstriction.

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Division of Pulmonary and Critical Care Medicine, Department of Medicine, the School of Public Health and Community Medicine, University of Washington, Seattle 98195, USA.



To determine if a physician-administered physical examination and screening questionnaire accurately detects exercise-induced bronchoconstriction (EIB) in adolescent athletes.


Cross-sectional study of 256 adolescents participating in organized sports from 3 suburban high schools. The number of persons screened positive for EIB by physical examination and questionnaire was compared with the number of persons with EIB diagnosed by a "gold standard" test that consisted of a 7-minute exercise challenge followed by serial spirometry.


We diagnosed EIB in 9.4% of adolescent athletes. The screening history identified persons with symptoms or a previous diagnosis suggestive of EIB in 39.5% of the participants, but only 12.9% of these persons actually had EIB. Among adolescents with a negative review of symptoms of asthma or EIB, 7.8% had EIB. Among adolescents with no previous diagnosis of asthma, allergic rhinitis, or EIB, 7.2% had EIB diagnosed by exercise challenge. Persons who screened negative on all questions about symptoms or history of asthma, EIB, and allergic rhinitis accounted for 45.8% of the adolescents with EIB.


EIB occurs frequently in adolescent athletes, and screening by physical examination and medical history does not accurately detect it.

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