[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.
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Reinhold, Petra; Research Institute for Bacterial Animal Diseases, Naumburger Strasse 96a,O-6909 Jena 9, Germany
Close, Roland; Université de Liège - ULiège > Faculté de Médecine Vétérinaire, Physiologie
Lekeux, Pierre ; Université de Liège - ULiège > Département de sciences fonctionnelles > Physiologie - Doyen de la Faculté de Médecine vétérinaire
Language :
English
Title :
Validation of the monofrequency forced oscillation technique for pulmonary function investigation in calves : an in vitro and in vivo study
Publication date :
1992
Journal title :
Research in Veterinary Science
ISSN :
0034-5288
eISSN :
1532-2661
Publisher :
British Veterinary Association, London, United Kingdom
Volume :
53
Issue :
2
Pages :
165-171
Peer reviewed :
Peer Reviewed verified by ORBi
Name of the research project :
Numéro 5131A
Funders :
IRSIA - Intercommunale du Réseau Social d'Insertion et d'Accueil [BE] Boehringer Ingelheim [DE]
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