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- Title
Crossing the apnoeic threshold: causes and consequences.
- Authors
Dempsey, Jerome A
- Abstract
This brief review addresses the characteristics, lability and the mechanisms underlying the hypocapnic-induced apnoeic threshold which is unmasked during NREM sleep. The role of carotid chemoreceptors as fast, sensitive detectors of dynamic changes in CO2 is emphasized and placed in historical context of the long-held debate over central vs. peripheral contributions to CO2 sensing and to apnoea. Finally, evidence is presented which points to a significant role for unstable, central respiratory motor output as a significant contributor to upper airway narrowing and obstruction during sleep.
- Publication
Experimental physiology, 2005, Vol 90, Issue 1, p13
- ISSN
0958-0670
- Publication type
Research
- DOI
10.1113/expphysiol.2004.028985