PMID: 9530840Apr 8, 1998Paper

The coordination and interaction between respiration and deglutition in young pigs

Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology
R Z GermanA J Thexton

Abstract

The anatomical pathways for inspired air and ingested food cross in the pharynx of mammals, implying that breathing and swallowing must be separated either in space or in time. In this study we investigated the time relationship between swallowing and respiration in young pigs, as a model for suckling mammals. Despite the high morphological position of the larynx in young mammals, allowing liquid to pass in food channels lateral to the larynx, respiration and swallowing are not wholly independent events. Although, when suckling on a veterinary teat, the swallows occurred at various points in the respiratory cycle, there was always a period of apnea associated with the swallow. Finally, an increase in the viscosity of the milk altered this coordination, changing respiratory cycle length and also restricting the relative rate at which swallows occurred in some parts of the respiratory cycle. These results suggest that the subsequent changes in respiratory activity at weaning, associated with passage of a solid bolus over the larynx, is preceded by the ability of the animal to alter coordination between respiration and swallowing for a liquid bolus.

Citations

Mar 16, 2005·Respiratory Physiology & Neurobiology·K M O'KeeffeP D Larsen
Mar 28, 2003·Respiratory Physiology & Neurobiology·Philippe ReixJean-Paul Praud
Jun 10, 2011·Integrative and Comparative Biology·Regina Campbell-MaloneRebecca Z German
Feb 26, 2010·Infant Behavior & Development·Eugene C GoldfieldPeter H Wolff
Feb 18, 2010·The Japanese Dental Science Review·Koichiro Matsuo, Jeffrey B Palmer
Jan 31, 2008·Journal of Speech, Language, and Hearing Research : JSLHR·Joanne RobbinsJohn Rosenbek
Oct 24, 2019·Pediatric Research·Christopher J MayerlFrancois D H Gould
Apr 25, 2020·Dysphagia·Christopher J MayerlRebecca Z German
Jan 31, 2017·Dysphagia·Rebecca Z GermanAllan J Thexton
Apr 26, 2019·Journal of Applied Physiology·Christopher J MayerlRebecca Z German
Oct 16, 2020·Journal of Applied Physiology·Christopher J MayerlRebecca Z German

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