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Related Experiment Videos

A multi-stage asthma screening procedure for elementary school children.

Lynn B Gerald1, David Redden, Anne Turner-Henson

  • 1Lung Health Center, University of Alabama at Birmingham, 35233-7337, USA. geraldl@uab.edu

The Journal of Asthma : Official Journal of the Association for the Care of Asthma
|March 9, 2002
PubMed
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This study presents an asthma screening method for children. Combining questionnaires with spirometry and exercise tests accurately identifies undiagnosed asthma in students.

Area of Science:

  • Pediatric Pulmonology
  • Epidemiology
  • Public Health

Background:

  • Asthma is a prevalent chronic respiratory disease in children.
  • Accurate identification of undiagnosed asthma is crucial for effective intervention.
  • Existing screening methods may overestimate or underestimate asthma prevalence.

Purpose of the Study:

  • To develop and evaluate a comprehensive asthma screening procedure for school-aged children.
  • To differentiate between previously diagnosed, suspected, and unlikely asthma cases.
  • To refine asthma prevalence estimates through multi-stage testing.

Main Methods:

  • A multi-stage screening process involving questionnaires, spirometry, and exercise challenge tests.
  • Classification of students into three categories: previous asthma, suspected asthma, and no evidence of asthma.

Related Experiment Videos

  • Diagnostic confirmation by a study physician for children with suspected asthma.

    • Main Results:

    • Questionnaire-based screening alone indicated a 32% asthma prevalence.
    • The addition of spirometry and exercise challenge reduced the estimated prevalence to 9.89%.
    • Physician diagnosis confirmed asthma in 96% of evaluated children.

    Conclusions:

    • The developed screening procedure effectively identifies school children with suspected undiagnosed asthma.
    • Multi-stage testing significantly refines asthma prevalence estimates compared to questionnaires alone.
    • This method facilitates targeted enrollment in intervention studies for pediatric asthma.