sleep apnea moderate definition
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Central sleep apnea Stages of Sleep Apnea. Sleep apnea occurs when you regularly stop breathing for 10 seconds or longer during sleep. It can be mild, moderate, or severe, based on the number of times an hour that you stop breathing (apnea) or that airflow to your lungs is reduced (hypopnea). This is called the apnea-hypopnea index (AHI).
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- People with moderate to severe sleep apnea have an up to 15-fold increase of being involved in a traffic accident24 People with sleep apnea are at twice the risk of having a traffic accident25
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- Sleep Apnea and Excessive Sleepiness Sleep apnea is becoming a more common cause of sleepiness in children and adults. Sleep apnea occurs when the upper airway collapses for at least 10 seconds during sleep -- and does so up to hundreds of times each night.
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Learn how UpToDate can help you. Central sleep apnea (CSA) is a disorder characterized by repetitive cessation or decrease of both airflow and ventilatory effort during sleep. It can be primary (ie, idiopathic CSA) or secondary.
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Central sleep apnea Sleep apnea occurs when you regularly stop breathing for 10 seconds or longer during sleep. It can be mild, moderate, or severe, based on the number of times an hour that you stop breathing (apnea) or that airflow to your lungs is reduced (hypopnea). This is called the apnea-hypopnea index (AHI). 1  Mild apnea. 2  Mild apnea is defined as 5 to 14 episodes of apnea or reduced airflow to the lungs every hour.
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Apnea Hypopnea Index Definition. AHI (Apnea Hypopnea Index) is the number of apneas and hypopneas per hour. Or an index for sleep apnea. 5-20 mild, 21-50 moderate, above 50 severe. The Greek word “apnea” means “without breath.” You stop breathing during sleep for ten seconds or longer.
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Sleep and breathing Sleep apnea (or sleep apnoea in British English) is a sleep disorder characterized by pauses in breathing or instances of shallow or infrequent breathing during sleep. Each pause in breathing, called an apnea, can last for several seconds to several minutes, and may occur, by definition, at least 5 times in an hour. Similarly, each abnormally shallow breathing event is called a hypopnea.
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Sleep Apnea Treatment Options Positive airway pressure machines, used with a variety of breathing masks, are the most widely used treatment for moderate and severe sleep apnea. The mask, worn snugly over the nose, or sometimes nose and mouth, during sleep, supplies pressurized air that flows continuously or intermittently into the sleeper’s throat.
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Sleep and breathing Sleep apnea (or sleep apnoea in British English) is a sleep disorder characterized by pauses in breathing or instances of shallow or infrequent breathing during sleep. Each pause in breathing, called an apnea, can last for several seconds to several minutes, and may occur, by definition, at least 5 times in an hour.
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Sleep Apnea What is sleep apnea? Sleep apnea is a serious sleep disorder that occurs when a person's breathing is interrupted during sleep. People with untreated sleep apnea stop breathing repeatedly during their sleep, sometimes hundreds of times during the night. There are two types of sleep apnea: obstructive and central. Obstructive sleep apnea is the more common of the two. Obstructive sleep apnea occurs as repetitive episodes of complete or partial upper airway blockage during sleep.
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Sleep Apnea Sleep apnea is a serious, potentially life-threatening condition that is far more common than generally understood. First described in 1965, sleep apnea is a breathing disorder characterized by brief interruptions of breathing during sleep. It owes its name to the Greek word, apnea, meaning, want of breath..
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Sleep Apnea Sleep apnea is a condition in which breathing is repeatedly interrupted during sleep. The time period for which the breathing stops or decreases is usually between 10 and 30 seconds. When these episodes occur repeatedly, sleep apnea can seriously disrupt the quality of sleep.
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Central Sleep Apnea Syndromes In most cases, central sleep apnea is associated with obstructive sleep apnea syndromes or is caused by an underlying medical condition, recent ascent to high altitude, or narcotic use. Primary central sleep apnea is a rare condition, the etiology of which is not entirely understood. During polysomnography (PSG), a central apneic event is conventionally defined as cessation of airflow for 10 seconds or longer without an identifiable respiratory effort.
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- A person with sleep apnea may have a mild case, a moderate case, or a severe case. This leads to two important questions:
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Weight loss, breathing devices still best for treating obstructive sleep apnea Obstructive sleep apnea is a disorder in which the airway becomes blocked during sleep, interrupting breathing—sometimes dozens of times during a single night. Having obstructive sleep apnea puts you at risk for a number of other conditions, including high blood pressure and stroke.
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What causes sleep apnea? Sleep apnea is a period during sleep in which breathing either stops or is markedly reduced; it can be broken down into three broad categories: obstructive sleep apnea (OSA): where the airway is reduced/blocked.
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- The most common kind of sleep apnea is called Obstructive Sleep Apnea Syndrome. Sleep apnea means cessation of breath.. It is characterized by repetitive episodes of upper airway obstruction that occur during sleep, usually associated with a reduction in blood oxygen saturation.
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- August 17, 2009, 8:00 PM EDT. Moderate to severe obstructive sleep apnea is associated with an increased risk of death from any cause in middle-aged adults, especially men, according to new results from a landmark study supported by the National Heart, Lung, and Blood Institute (NHLBI) of the National Institutes of Health (NIH).
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What you need to know about sleep apnea Sleep apnea is a common sleep disorder in which an individual's breathing repeatedly stops and starts during sleep. Symptoms include daytime sleepiness, loud snoring, and restless sleep. The involuntary pause in breathing can result either from a blocked airway or a signaling problem in the brain.
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Sleep Apnea May Be Deadly Aug. 1, 2008 -- Suffering from sleep apnea may do more than just spoil a good night's sleep. A new study shows that people with severe sleep apnea may be up to three times more likely to die prematurely, and that risk increases if the sleep disorder is left untreated. Sleep apnea is a common sleeping disorder that causes frequent pauses in breathing during sleep and is often accompanied by snoring. About 6% of adults in the U.S. suffer from moderate to severe forms of the condition, and 17% have less severe forms.
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Sleep Apnea Obstructive Sleep Apnea Obstructive sleep apnea (OSA) is a sleep-related breathing disorder that involves a decrease or complete halt in airflow despite an ongoing effort to breathe.
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Sleep Apnea  In-Depth Report Obstructive sleep apnea (OSA) is a disorder in which a person stops breathing during the night, perhaps hundreds of times. These gaps in breathing are called apneas. The word apnea means absence of breath. An obstructive apnea episode is defined as the absence of airflow for at least 10 seconds.
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Background The 3 main categories of apnea are central, obstructive, and mixed. Central apnea is a result of inadequate medullary responsiveness and thus no or poor muscle coordination for breathing. Obstructive apnea is when there is an obstruction of the airway passages and therefore poor to no air exchange.
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Overview Sleep apnea is a potentially serious sleep disorder in which breathing repeatedly stops and starts. You may have sleep apnea if you snore loudly, and you feel tired even after a full night's sleep. The main types of sleep apnea are: Obstructive sleep apnea, the more common form that occurs when throat muscles relax.
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Obstructive Sleep Apnea, Hypoxia, and Metabolic Syndrome in Psychiatric and Nonpsychiatric Settings Primary Manifestation/ Obstructive Sleep Apnea. 1  OSA is the most common breathing-related sleep disorder, making up 40 to 50 percent of sleep disorder diagnoses. By definition, OSA is a cluster of frequent breathless episodes (apneic) lasting seconds to minutes during sleep as a result of airway obstruction.
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Causes of Obstructive Sleep Apnea Obstructive sleep apnea is a common and serious disorder in which breathing repeatedly stops for 10 seconds or more during sleep. The disorder results in decreased oxygen in the blood and can briefly awaken sleepers throughout the night. Sleep apnea has many different possible causes. In adults, the most common cause of obstructive sleep apnea is excess weight and obesity, which is associated with soft tissue of the mouth and throat. During sleep, when throat and tongue muscles are more relaxed, this soft tissue can cause the airway to become blocked.