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Nasal continuous positive airway pressure (CPAP) therapy is a non-surgical treatment that provides a steady flow of air to the lungs through the nose. Nasal CPAP is often prescribed for those with obstructive sleep apnea, a sleep disorder that disrupts normal breathing and interrupts deep sleep. It may also be used to help infants with underdeveloped lungs to breathe more easily.
Individuals of all ages who have obstructive sleep apnea often make good candidates for nasal CPAP therapy. Sleep apnea is a chronic condition that disrupts sleep. Frequent pauses in breathing actually stop the flow of air to the lungs between five to thirty times or more an hour. After each pause, the body’s natural defenses kick in to start the breathing again, pulling the individual out of the deep sleep stage.
Some obstruction in the airway typically creates these pauses in breath. Throat muscles that relax too much to allow normal breathing can block the flow of air. A large tongue or tonsils may also create an obstruction. Once the airway is blocked, the individual may snort, choke, or gasp. At this point, the problem tends to correct itself and breathing resumes, only to become blocked again moments later.
The corrective periods in between pauses are often so brief that the individual doesn’t remember them. That’s why in many cases, sleep apnea goes undetected. Symptoms, however, may include:
Though sleep apnea may seem at most an irritation, according to Stanford University, the disorder can be life threatening. Without treatment, sleep apnea can increase the risk of heart attack, stroke, irregular heartbeat, high blood pressure, and related conditions. Fortunately, treatment is most always successful at reducing these risks and restoring sound sleep.
If you see a doctor and are diagnosed with sleep apnea, you may be sent home with a nasal CPAP device.
People with mild sleep apnea may find relief through simple lifestyle changes, such as avoiding alcohol, losing weight, and using nasal sprays or allergy medications. Others breathe more easily with a custom-made mouthpiece or oral appliance that adjusts the position of the lower jaw and tongue to help keep airways open during sleep.
Individuals with moderate to severe obstructive sleep apnea, however, often require a breathing device called a nasal CPAP machine. This device blows air into your nose through a nose mask, helping to keep the airway open while you sleep. A small machine, called an air compressor, is placed on a bedside table and connected to a tube and mask that fits over your nose. This machine delivers a steady flow of air through the tube and mask, exerting just enough pressure to keep muscles and tissues from collapsing and blocking the airway.
Your doctor or nurse will help you choose the mask that best fits over your nose, and then will adjust the settings on the CPAP machine to the pressure required for your condition. If you don’t notice improvements after a week or so, check back with your doctor, as the pressure settings may need to be adjusted.
After using the machine regularly, most patients report dramatic benefits including the following:
Though most people get used to using the CPAP machine over time, others experience problems. These may include the following:
These may be caused by an ill-fitting mask and can be corrected with an improved fitting. A heated humidifier attached to the machine may also help.
This is also usually the result of an ill-fitting mask, or one that’s too heavy or improperly cushioned.
Different types of masks with straps that cover less of your face may help.
The "ramp" feature on the machine allows you to start with lower air pressure, which can help you better tolerate this sensation. If this doesn’t help, other machines (called BiPAPs) that automatically adjust pressure while you’re sleeping may help.
If this problem doesn’t go away after a few weeks, ask your doctor about a CPAP that covers both your nose and mouth.
In most cases, working with your doctor to make adjustments to your device will result in a solution that will feel more comfortable.
Written by: Colleen M. Story
Published on: Aug 15, 2012on: Jan 11, 2016
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