apap sleep apnea

as a sleep technologist, you already know the importance of a good night’s sleep. it’s crucial to sleep well to protect both mental and physical functioning. it can also increase the risk of obesity. according to the american psychological association, as many as 40 million americans suffer from more than 70 different types of sleep disorders. below we look at the pros and cons of apap therapy so that you’ll be able to speak to your patients in a knowledgeable and beneficial way about their sleep apnea treatment. the apap machine connects via a mask to a pressure generator. it stops the throat from collapsing in on itself, thus allowing your patient to breathe freely throughout the night without experiencing sleep apnea events. the majority of machines employ a set pressure that’s determined during a titration study in the sleep center.




these different pressures allow the machine to automatically adjust to your patient’s varying pressure needs throughout the night as they change sleeping positions or go through their various sleep stages. the apap machine increases automatically as needed to allow normal breathing during sleep. the air pressure from the machine rises and falls throughout the night as needed to keep the airway open. choosing the correct treatment is crucial to managing your patient’s condition. your patients need to get enough good quality sleep at the right times to help them function well throughout the day. when someone is sleep deficient, they’re consequently less productive. it’s crucial to have all the facts before you suggest apap to your patients. remember that there are many treatments for sleep apnea on the market today. choosing the correct device can make a huge difference to your patient’s overall quality of life.

obstructive sleep apnea (osa) is associated with sleepiness and cardiovascular and metabolic morbidity and mortality. this determines the best fixed pressure that keeps the airway open and is tolerated. apap manufacturers claim it can determine when apneas (stopping breathing) and hypopneas (decreased breathing) occur in sleep, and change the pressure upwards to control the apnea. however, apap devices are known to be particularly ineffective at scoring hypopneas. apap misses hypopneas with gradual flow reductions with desaturations, or flow reductions without distinct recovery breath at the end of the event. this can cause more frequent or unnecessary pressure changes and unnecessarily high pressures. it has been shown that some manufacturers’ apap devices do not successfully control sleep apnea. apap’s ineffectiveness may be because it does not detect apneas or hypopneas the way we do when recording or scoring sleep related breathing.

apap only monitors airflow. the result is that the apap determined apnea-hypopnea index (ahi) differs among manufacturers, and differs from the ahi we determine and report based on sleep testing. we reported on patients who were switched from apap to cpap because they were not showing adequate improvement on apap, or were having significant side effects with apap. 61% of patients put on apap had to be switched to cpap. most often, patients complained the air pressure felt too high at times on apap, with resultant worsening of sleep, continued sleepiness or tiredness, high leaks, or even having to turn the apap off and back on to lower the pressure. more patients were complaint on cpap than on apap (83% vs. 69% of patients, p=0.006). patients with lighter sleep or more severe drops in blood oxygen at baseline were more likely to have trouble with apap and need switching to cpap. however, for many patients, apap is just not as good as cpap. at the very least, patients with side effects, insufficient response, or inadequate adherence, with apap, should have an overnight cpap titration in the sleep center and then be switched to cpap.

if you’ve been diagnosed with sleep apnea, it means your breathing gets shallow or even stops and restarts while you’re asleep. apap, cpap, and bipap are all types of noninvasive positive airway pressure devices that may be prescribed for the treatment of sleep apnea. each has a similar there are several differences between apap and cpap machines, but the main one is that cpap machines offer one steady airway pressure (that must, .

if you’ve been diagnosed with sleep apnea, apap is a term you may have come across. it may even be used to describe the treatment therapy you’ve been prescribed. but what does it mean? an abbreviation of automatic positive airway pressure, apap is one of the three main forms of positive airway pressure, or pap therapy. while a cpap has one continuous setting, an apap is able to respond to changing pressure needs by constantly measuring how much resistance is present in your breathing. the technology in an apap machine allows it to remain on a low setting until a change in breathing is detected and more airflow is needed. auto-titrating pap (apap) is a lower cost alternative. apap manufacturers claim it can determine when apneas (stopping breathing) and hypopneas an apap is a device that uses pressurized air to treat sleep apnea. the air pressure acts like a splint, preventing your upper airway from the main difference between apap and cpap machines is that cpaps have a fixed pressure setting, and apaps adjust to different pressures, .

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