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Daily sleep report on Aircurve ASV
#11
RE: Daily sleep report on Aircurve ASV
Yes, my AHI has never been greater than 5 since starting ASV and is usually less than 3. I'm happy when it is less than 1; when it is over 2, I try to figure out what the problem is. I certainly don't expect to get 0 consistently. Thank you for your reassurance.

Thanks
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#12
RE: Daily sleep report on Aircurve ASV
When you see clusters of UA like this, it is likely positional, and the solution may be a soft cervical collar. If you look at the soft collar wiki linked in my signature you can see other ASV users have experienced positional apnea that no pressure can break. Your close-up shot confirmed what appeared to be obstructive apnea with airway resistance. The ASV is attempting to provide breaths through the sequence, but is met with a block.
Sleeprider
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#13
RE: Daily sleep report on Aircurve ASV
Having looked at the chart again, I agree with the positional apnea events and the research into it Sleeprider mentions. Changes in settings will not help in this case.
Dave

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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#14
RE: Daily sleep report on Aircurve ASV
Thank you - I'll give the collar a try to see if it helps.
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#15
RE: Daily sleep report on Aircurve ASV
Another thought - could this be the increased apnea associated with REM sleep, which tends to occur early in the morning prior to awakening?
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#16
RE: Daily sleep report on Aircurve ASV
I'd consider it possible. The sleep stage may include positional changes and cause this event cluster.
Dave

OSCAR
Standard OSCAR Chart Order
Mask Primer
Dealing With A DME
Soft Cervical Collar Wiki
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#17
RE: Daily sleep report on Aircurve ASV
I was going to say the same the events look positional in nature and a soft cervical collar may help. Normally an ASV can provide sufficient breathing support to prevent REM based apnoea but not obstruction caused by position as no extra pressure will help
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