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The additional pressure holds open the relaxed muscles. There are several variants: Continuous positive airway pressure (CPAP) is effective for both moderate and severe disease. [121] It is the most common treatment for obstructive sleep apnea. [122]
Nasal expiratory positive airway pressure (Nasal EPAP) is a treatment for obstructive sleep apnea (OSA) and snoring. [ 1 ] [ 2 ] Contemporary EPAP devices have two small valves that allow air to be drawn in through each nostril, but not exhaled; the valves are held in place by adhesive tabs on the outside of the nose. [ 1 ]
For moderate to severe sleep apnea, the most common treatment is the use of a continuous positive airway pressure (CPAP) or automatic positive airway pressure (APAP) device. [67] [70] These splint the person's airway open during sleep by means of pressurized air. The person typically wears a plastic facial mask, which is connected by a flexible ...
The pressure is increased until the obstructive symptoms (snoring and periods of apnea) have disappeared. CPAP alone is effective in more than 50% of people with OHS. [5] In some occasions, the oxygen levels are persistently too low (oxygen saturations below 90%). In that case, the hypoventilation itself may be improved by switching from CPAP ...
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For patients with obstructive sleep apnea, pulse oximetry readings will be in the 70–90% range for much of the time spent attempting to sleep. [ 9 ] Portable battery-operated pulse oximeters are useful for pilots operating in non-pressurized aircraft above 10,000 feet (3,000 m) or 12,500 feet (3,800 m) in the U.S. [ 10 ] where supplemental ...
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