Reference : Validation of the monofrequency forced oscillation technique for pulmonary function inve...
Scientific journals : Article
Life sciences : Veterinary medicine & animal health
http://hdl.handle.net/2268/61762
Validation of the monofrequency forced oscillation technique for pulmonary function investigation in calves : an in vitro and in vivo study
English
Reinhold, Petra [ > > ]
Close, Roland [ > > ]
Lekeux, Pierre mailto [Université de Liège - ULg > Département de sciences fonctionnelles > Physiologie - Doyen de la Faculté de Médecine vétérinaire >]
1992
Research in Veterinary Science
British Veterinary Association
53
2
165-171
Yes (verified by ORBi)
International
0034-5288
London
United Kingdom
[en] This study was to investigate whether the monofrequency forced oscillation (MFO) technique could be accurately used for pulmonary function testing in calves. The airflow resistance measured by this technique was compared to the resistance measured by the classical reference method by an in vitro study, using an artificial lung model, and by an in vivo study, using 11 healthy calves. The effect of the reference impedance of this oscillation equipment was also investigated. The results show linear relationships (r2 > 0.924, P < 0.001) in the resistance ranges 0 to 0.7 kPa litre-1 s and 0 to 1.0 kPa litre-1 s with a reference impedance of 1.0 kPa litre-1 s and 2.0 kPa litre-1 s, respectively. The MFO resistance values lower and higher than 0.4 kPa litre-1 s are slightly overestimated and underestimated, respectively. It was shown that, if some technical requirements are met, the MFO technique is a simple, reproducible, fast and accurate method which allows measurement of airflow resistance even in field conditions.
Researchers ; Professionals
http://hdl.handle.net/2268/61762

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