Related Experiment Videos
Eleven peak flow meters: a clinical evaluation
H Folgering1, W vd Brink, O v Heeswijk
1Dept of Pulmonology Dekkerswald, University of Nijmegen, The Netherlands.
The European Respiratory Journal
|May 16, 1998
Summary
This study compared 11 peak flow meters for asthma management. The Personal Best and Micro Medical adult meters, along with LR Personal Best and LR Micro Medical low-range meters, showed the closest agreement with a pneumotachograph.
Area of Science:
- Respiratory Medicine
- Medical Device Evaluation
- Pulmonary Function Testing
Background:
- Peak flow meters are crucial for asthma management.
- Accurate assessment of peak flow meters is essential.
- Comparison against a pneumotachograph is a standard evaluation method.
Purpose of the Study:
- To compare the accuracy and linearity of 11 different peak flow meters.
- To evaluate seven adult and four low-range peak flow meters.
- To identify the most reliable peak flow meters against a gold standard.
Main Methods:
- Two series of tests were conducted using a Fleisch #4 pneumotachograph.
- Peak flow meters were tested in series with the pneumotachograph.
- Forced expiratory maneuvers were performed by one subject, 50 adult patients, and 25 healthy children.
Main Results:
- Significant variations in accuracy were observed among the adult peak flow meters.
- Personal Best and Micro Medical adult meters demonstrated the highest agreement with the pneumotachograph.
- LR Personal Best and LR Micro Medical low-range meters showed the least differences.
Conclusions:
- The Personal Best and Micro Medical adult peak flow meters are recommended for accurate asthma monitoring.
- LR Personal Best and LR Micro Medical are suitable choices for low-range peak flow measurements.
- This study provides valuable data for selecting reliable peak flow meters.