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The combined number of apnea and hypopnea events that occur on average per hour during sleep is noted using the Apnea–hypopnea index (AHI). Hypopnea during sleep is classed as a sleep disorder. With moderate to severe hypopnea, sleep is disturbed such that patients may get a full night's sleep but still not feel rested.
Sleep apnea is somewhat more common in men than women, roughly a 2:1 ratio of men to women, and in general more people are likely to have it with older age and obesity. Other risk factors include being overweight, [ 19 ] a family history of the condition, allergies, and enlarged tonsils .
Hormonal changes during pregnancy and during and after menopause can also increase your risk of sleep apnea. Health conditions. Heart and kidney failure can cause a build-up of fluid in your neck ...
A little over 50% of all people with Down syndrome experience obstructive sleep apnea, [59] and some physicians advocate routine testing of this group. [ 60 ] In other craniofacial syndromes, the abnormal feature may actually improve the airway, but its correction may put the person at risk for obstructive sleep apnea after surgery when it is ...
Sleep apnea is a serious medical condition that causes interruptions in your sleep leading to a wide range of symptoms. Learn more about the condition and how to get diagnosed.
The conditions of hypoxia and hypercapnia, whether caused by apnea or not, trigger additional effects on the body.The immediate effects of central sleep apnea on the body depend on how long the failure to breathe endures, how short is the interval between failures to breathe, and the presence or absence of independent conditions whose effects amplify those of an apneic episode.
Hormonal changes during pregnancy and during and after menopause can also increase your risk of sleep apnea. Health conditions. H eart and kidney failure can cause a build-up of fluid in your neck ...
Hypoxemia refers to insufficient oxygen in the blood. Thus any cause that influences the rate or volume of air entering the lungs (ventilation) or any cause that influences the transfer of air from the lungs to the blood may cause hypoxemia. As well as these respiratory causes, cardiovascular causes such as shunts may also result in hypoxemia.