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The newborn lamb as a new model for studying gastroesophageal reflux

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Article de périodique (328.4Kb)
Publication date
2012
Author(s)
Djeddi, Djamal; Samson, Nathalie; Boudaa, Nadia; Praud, Jean-Paul
Subject
Animal model
 
Esophageal pH
 
Multichannel impedance monitoring
 
Neonates
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Abstract
We aimed to determine whether the newborn lamb at term is a valid model for studying gastroesophageal reflux. Seven bottle-fed lambs, ages 2 to 3 days, underwent esophageal multichannel intraluminal impedance-pH monitoring (MII-pH). A total of 196 reflux episodes were recorded, including 73% alkaline and 27% weakly acidic. No acid refluxes were observed. Median bolus clearance time was 4  seconds (3; 5.5), and proximal reflux extent was 35% (26). This first report of MII-pH in the newborn mammal sets the foundations for future studies with physiological and clinical relevance to human neonates.
URI
http://hdl.handle.net/11143/7946
Collection
  • Médecine et sciences de la santé – Articles de périodiques [222]

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