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What is titration, as it relates to sleep studies?
Update Time:2016-01-06
If a sleep study determines you have obstructive sleep apnea (OSA), you will need a "titration study" to determine the pressure level required to maintain your airway during sleep. A titration study may take place during the same night as your diagnosing sleep study or it may be scheduled for a later date. 

Titration is a scientific lab term, meaning to slowly add a little bit more of something until you reach a desired effect. During your titration study, a skilled technician will monitor your sleep and slowly increase the air pressure on a CPAP machine until you are able to sleep without or with few sleep events (apneas and hypopneas). Your pressure needs vary throughout the night, so an overnight sleep study is required to prescribe you the correct pressure. 

Your prescribed CPAP single pressure setting will be set to the highest level you needed during the night. By prescribing the highest pressure, your doctor hopes to prevent as many sleep events as possible. The downside of this approach is that you will have the highest pressure at all times even when it's only necessary for part of the night. 

APAPs offer technologies which allow the pressure to be adjusted on a breath by breath basis, which you may find helps your therapy.
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