Related Experiment Videos
Routine pulmonary function tests in young adolescents with asthma in general practice
P H Hewson1, E A Tippett, D M Jones
1Colac Hospital, VIC.
The Medical Journal of Australia
|November 4, 1996
Summary
Routine pulmonary function tests using flow-loop spirometry are valuable for assessing asthma severity in adolescents. This study found that spirometry results did not correlate with symptoms in 30% of cases, highlighting the need for careful interpretation in this age group.
Area of Science:
- Pediatric Pulmonology
- Clinical Medicine
- Respiratory Health
Background:
- Asthma management in adolescents requires accurate assessment of airway function.
- Clinical evaluation and patient self-reporting may not always align with objective lung function measures.
- Flow-loop spirometry offers objective data for assessing respiratory conditions.
Purpose of the Study:
- To evaluate the utility of routine pulmonary function tests (PFTs) via flow-loop spirometry in young adolescents with asthma.
- To compare PFT results with clinical assessments and patient-reported symptoms of asthma severity.
- To determine the correlation between spirometry findings and asthma control in a pediatric population.
Main Methods:
- A prospective clinical study was conducted in a rural community general practice.
- Young adolescents (10-15 years) with asthma were enrolled over a two-year period.
- Study compared clinical assessment and self-reporting with pulmonary function test results, focusing on forced expiratory volume in one second (FEV1%) and forced expiratory flow rate (FEF25%-75%).
Main Results:
- Pulmonary function tests did not correlate with asthma symptoms and treatment in 30% of the 37 assessments performed on 27 adolescents.
- Discrepancies were observed between perceived asthma control and objective spirometry readings.
- Eight patients accounted for the 11 assessments where PFT results did not align with clinical presentation.
Conclusions:
- Routine pulmonary function testing by flow-loop spirometry is supported for assessing both acute and chronic asthma in adolescents.
- The study suggests potential for over- or underestimation of asthma severity when relying solely on clinical assessment in this age group.
- Further research in larger populations is recommended to refine the role of spirometry in adolescent asthma management.