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central sleep apnea |
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apnea /ap·nea/ (ap´ne-ah) cessation of breathing.apne´ic central sleep apnea sleep apnea from failure of stimulation by medullary respiratory centers. obstructive sleep apnea sleep apnea from collapse or obstruction of the airway during sleep, such as in the obese. sleep apnea transient attacks of apnea during sleep, resulting in acidosis and pulmonary arteriolar vasoconstriction and hypertension. central sleep apnea, a form of sleep apnea resulting from decreased respiratory center output. It may involve primary brainstem medullary depression resulting from a tumor of the posterior fossa, poliomyelitis, or idiopathic central hypoventilation. central sleep apnea Sleep disorders A type of life threatening sleep apnea due to defective responses to O2 and CO2 in the circulation Mechanism Possibly ↓ sensitivity to CO2. See Sleep apnea syndrome. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Most of the available literature on the development of sleep apnea following radiation has focused on obstructive sleep apnea, (11-13) but it should be kept in mind that central sleep apnea may also occur, as Udwadia et al noted in a report detailing radiation necrosis of the medulla with resultant central apneas. Unlike obstructive sleep apnea, in which a person stops breathing when his or her airway becomes blocked, central sleep apnea occurs when brain areas that control breathing fail. |
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