Article (Scientific journals)
Mechanics of the Respiratory System in Healthy Newborn Calves Using Impulse Oscillometry
Uystepruyst, Christophe; Reinhold, Petra; Coghe, Joost et al.
2000In Research in Veterinary Science, 68 (1), p. 47-55
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Keywords :
respiratory system; impulse oscillometry; calves
Abstract :
[en] Arterial blood gases, acid-base balance and respiratory function tests using impulse oscillometry (IOS) were performed on 40 clinically healthy newborn calves during the first 24 hours of life to evaluate their respiratory adaptation to extrauterine life. Gas exchange efficiency of the lung was significantly improved with time and was accompanied by the correction of the mixed acidosis observed at birth and by significant changes in respiratory mechanics. Major changes were detected within the first 6 hours. The significant decrease in resistance (R) and the increase in reactance (X) with time, demonstrate the improvement in respiratory mechanics of both upper and lower airways, and reflect the increase in lung volume, the improved lung tissue elasticity and/or distribution of the ventilation. Respiratory mechanical, arterial blood gases and acid-base balance data provided in this study describe a successful respiratory adaptation to extrauterine life in healthy newborn calves.
Research center :
Laboratoire d'Investigation fonctionnelle, service de Physiologie
Disciplines :
Veterinary medicine & animal health
Author, co-author :
Uystepruyst, Christophe
Reinhold, Petra
Coghe, Joost
Bureau, Fabrice ;  Université de Liège - ULiège > Département de sciences fonctionnelles > Biochimie et biologie moléculaire
Lekeux, Pierre ;  Université de Liège - ULiège > Département de sciences fonctionnelles > Physiologie
Language :
English
Title :
Mechanics of the Respiratory System in Healthy Newborn Calves Using Impulse Oscillometry
Publication date :
2000
Journal title :
Research in Veterinary Science
ISSN :
0034-5288
eISSN :
1532-2661
Publisher :
British Veterinary Association, London, United Kingdom
Volume :
68
Issue :
1
Pages :
47-55
Peer reviewed :
Peer Reviewed verified by ORBi
Funders :
Federal Ministry of Agriculture of Belgium
Available on ORBi :
since 09 September 2009

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