to reiterate, virtually all machines distinguish between obstructive and central apnea, although the asv (resmed at least) does not. to my knowledge few if any machines distinguish between obstructive and central hypopnea.
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CAHI [How to determine the number of Central Hypopneas]
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10-19-2019, 09:26 PM
RE: CAHI [How to determine the number of Central Hypopneas]
"several entries seemed to indicate that it is not possible to distinguish obstructive and central events."
to reiterate, virtually all machines distinguish between obstructive and central apnea, although the asv (resmed at least) does not. to my knowledge few if any machines distinguish between obstructive and central hypopnea.
10-19-2019, 09:40 PM
RE: CAHI [How to determine the number of Central Hypopneas]
Welcome to the forum.
A heads up on centrals. First I'll provide specific guidance for your case after you post your OSCAR charts (see the organize link in my sig for what to display.) Get a copy of your prescription, you will need it for years to come. And get FULL copies of your Sleep Studies, not just the summaries, but the tables and charts that make up the details. Very often those details contain important information about your apnea, especially where Central Apnea is concerned. And please. y post redacted copies of your sleep studies, we will help you with what they say. Treatment of Centrals is typically to Lower Pressure and lower the difference between inhale and exhale. CPAP, APAP, and BiLevels without backup (timed breathing) cannot treat Centrals so the strategy is to avoid them. An ASV is designed to treat Centrals, and a BiLevel with Backup (ST) can also but is (the ST) a better machine for other conditions. You may see an issue above, Obstructive events are treated by increasing pressure and/or increasing PS, the difference between inhale and exhale. We will get much more into the details once we see your Sleep Studies, and / or daily OSCAR data.
Gideon - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter
Download OSCAR OSCAR - The Guide New to Apnea? Helpful tips to ensure success Soft Cervical Collar Mask Primer Dealing with a DME Organize Charts Optimizing Therapy |
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