Types of sleep apnea
There are three types of sleep apnea, obstructive sleep apnea syndrome (OSAS), central sleep apnea syndrome and complex sleep apnea. The difference is the underlying cause. Symptoms and treatment are similar.
Sleep apnea (Obstructive sleep apnea syndrome, OSAS)
Like the rest of your body, relaxes the muscles of the upper respiratory tract (nose, mouth, pharynx and larynx) when you sleep. If they relax too much, it can get crowded in the airways. This means that many people begin to snore. Sometimes it is even difficult to breathe.
If the airway is blocked completely, the person temporarily stops breathing. Breathing pauses can last from 10 seconds up to 1 minute. Obstructive sleep apnea is the most common form of sleep apnea and means that you suffer repeated breathing pauses during sleep. In some cases, returning detained several hundred times every night. During breathing break decreases oxygen levels in the blood. The brain then responds with an alarm reaction that makes you start to breathe again. The reaction is completely automated. The victims often remember nothing when he or she wakes in the morning.
Risk factors
In addition to sleep disturbance, It is the struggle to get breathing after each apnea and is very tiring for the body. The reduced oxygen levels in the blood causes the heart to work harder and both blood pressure and stress hormones increase.
More and more studies indicate that untreated sleep apnea is a risk factor for a number of serious medical conditions, including hypertension, cardiovascular disease, stroke, diabetes and depression. Obstructive sleep apnea can be treated today with very good results.
Central sleep apnea
In central sleep apnea, apnea that occurs is not due to the airways are blocked, but that the signals between the brain’s respiratory center and the muscles that control breathing are not working properly. Central sleep apnea is most commonly seen in older people, in heart failure or after a stroke due to brain damage or nerve.
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