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Using a CPAP machine is the gold standard therapy for treating sleep apneaYou've probably heard about obstructive sleep apnea (OSA) and CPAP therapy by now. Your relative or your friend may have sleep apnea and have talked about their experience using CPAP. But what exactly is CPAP?

CPAP stands for Continuous Positive Airway Pressure. CPAP therapy is considered the "gold standard" for treating obstructive sleep apnea (OSA) and has been available for 30 years. It refers to the pressurized air that is delivered through a unique delivery system which utilizes a mask.

People with sleep apnea receive a prescription for their air pressure setting (from a sleep specialist) as well as a prescription for the specialized machine and equipment used to deliver it. 

What is a CPAP machine?

The CPAP machine is basically a small box which has a motorized fan inside. This fan very quietly draws air from the room, gently pressurizes it, then delivers it at a setting specific to your needs.

The air intake section of a CPAP machine has a filter on it to eliminate the intake of dust, smoke, or other impurities in the air. You will replace the filter as necessary.

Another key part of the CPAP machine is the humidification chamber built into the box. This is where water is warmed to humidify the pressurized air before it is delivered.

Warm, moist air soothes your nasal and upper airway passages and helps prevent swelling and discomfort that can sometimes occur while using the therapy. Although using humidification is optional, it brings relief for the majority of patients using CPAP therapy who live in dry or arid climates or who wake up with a dry mouth, nasal passages, or throat. The humidification chamber is pretty easy to keep clean and should last the lifetime of the machine itself.

Attached to the CPAP machine is a hose which connects the box to the mask. This flexible, lightweight tubing is typically heated to reduce any condensation that might collect inside it while the humidifier is in use. The hose is long enougharound 6 feet—to give you full movement during sleep. Hoses can wear out over time and you should replace them as necessary.

That leaves the CPAP mask. It is often said that the success of CPAP therapy often rests on how comfortable and well fitting the mask is. CPAP masks come in a variety of shapes and sizes to suit the vast array of facial landscapes. Masks wear out over time and should be replaced on a regular schedule.

CPAP machines are fairly compact and can easily fit on a standard nightstand. They are pretty easy to keep clean, and with regular maintenance and care, should last you a long time.

But how does CPAP work?

People who have sleep apnea have problems with keeping the airway open for normal breathing as they sleep. Most commonly, the soft tissue in the throat and oral cavity (the tonsils or tongue, for instance) relaxes and/or collapses, closing off the space needed for air to move through the nose and into the lungs. This leads to pauses in breathing that can happen consistently enough, and long enough, to deprive the bloodstream of the oxygen it needs to deliver to all the organs.

The brain senses this drop in blood oxygen and forces an awakening. However, some people can experience more than 100 of these pauses and awakenings per hour for most of the night! It's no wonder why some people with severe sleep apnea feel so tired all the time

If this interrupted pattern of breathing is left untreated, it can create long-term health problems for the sufferer. 

CPAP was created to help keep these pauses from happening. The machine, by way of the tubing and mask, delivers a stream of pressurized air as a kind of "pneumatic splint" to help prevent the collapses that are characteristic of obstructive sleep apnea. By helping to keep the airway firm and open, the pressurized air provides the support necessary for the user to breathe freely and without obstructions. 

Some people, when they start CPAP therapy, discover almost right away the relief of sleeping all night long without waking up once. Others may take their time to adjust, which is more typical.

One thing remains true for both types of users: the more they use it, the easier CPAP becomes to use, and over time, they find it a welcome luxury to use their CPAP machine, as it returns to them the good nights of sleep they had been missing out on for years.

Getting set up with a CPAP machine

To start CPAP therapy, you first need to be diagnosed with sleep apnea by an accredited sleep physician. This involves a night of testing at the sleep lab. (You can learn more about the different kinds of sleep tests here.)

Following diagnosis, it may be necessary for you to visit the lab another night to try out your CPAP therapy, also known as a CPAP Titration study, to determine the air pressure setting that best benefits your condition, and to help you find a good-fitting, comfortable mask.Using a CPAP machine nightly can help treat sleep apnea as well as relieve the symptoms of other chronic health problems

After these goals are reached, you will meet with a durable medical equipment (DME) specialist who will set you up with your entire CPAP kit: the machine, the hose, the mask.

They will give you all the instructions you need for using it and answer any questions or concerns you have, not only on the day you receive the CPAP machine, but in the weeks that follow as you adjust to using it. 

The main goal is to use the CPAP machine every night for as long as possible (also known as CPAP Compliance) in order to enjoy the benefits of quality sleep and good oxygen levels in the blood.

Not only will you feel better, but regular CPAP use will prevent a lot of chronic illnesses from developing (such as high blood pressure, diabetes, or cardiovascular disease) or at least relieve the symptoms of the ones you may already have. You may also enjoy improvements in energy, focus, and overall mood that come with restoring balance to your whole body. 

Next Steps

Here at Sleep Resolutions, we run a hybrid clinic, which means we can offer both diagnostic services and supplies of DME equipment (such as your CPAP kit) all under the same roof and within a timely manner. This isn't always the case for other sleep clinics, and we take pride in our full-service reputation. 

Other Articles Related to CPAP Mahines/Therapy


How Much Does a CPAP Machine Cost? (Devices, Masks, & Accessories)

Common problems with CPAP Therapy

CPAP vs. APAP: Which is Better?

What Do My CPAP Readings Mean?

Does insurance cover CPAP?

CPAP Humidifier Basics During the Winter

Difference Between APAP, BiPAP, CPAP, and ASV

What are Those Noises My CPAP Machine and Mask are Making?

Checking your CPAP Machine Filters: Replacement and Cleaning

Remember: Replace worn CPAP equipment (masks, tubing, filters, machine)

How to prevent CPAP failure: making the most of your therapy


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