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Effect of a microaerosol filter on spirometry in children with cystic fibrosis
1Cystic Fibrosis/Respiratory Unit, Department of Child Health, University Hospital of Wales, Cardiff, UK.
Acta Paediatrica (Oslo, Norway : 1992)
|December 5, 2002
Abstract
Aim:
To measure the effect of an in-line microaerosol filter on spirometric values in cystic fibrosis (CF).
Methods:
Twenty-six subjects with CF undertook a randomized, open, cross-over comparison of spirometry with and without an in-line filter.
Results:
The filter had no significant effect on spirometric parameters nor was there any order effect. Measurement error was unrelated to the magnitude of the measurement.
Conclusion:
In-line microaerosol filters do not affect spirometric values or variability in children with CF.