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Large rise in AHI with replacement mask
#1
Large rise in AHI with replacement mask
I just recently replaced the dreamwear nasal pillows mask and headgear. Since doing so, my AHI has increased drastically from a long term average of 1.9 to the high 6’s or worse. Also the leak rate has increased. The replacement is identical to what I was using before. If I change back to the old mask (Which is wearing out) the numbers go back to normal. I am sure I have assembled everything correctly and am using it properly as I have been using the cpap for over a year and a half. Any ideas what could be causing this?  Thank you.
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#2
RE: Large rise in AHI with replacement mask
How high is the leak rate?  If too high, the machine loses it’s ability to accurately flag apneas.  
In other words, your AHI reading may be suspect.  

If you are not mouth breathing, and your sure it’s not the mask...

Download OSCAR, then post a screenshot of your daily charts here.  We can usually tell by looking at your graphs.

Follow the tutorials in my signature line.
OpalRose
Apnea Board Administrator
www.apneaboard.com

_______________________
OSCAR Chart Organization
How to Attach Images and Files.
OSCAR - The Guide
Soft Cervical Collar
Optimizing therapy
OSCAR supported machines
Mask Primer



INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE.  ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA.  INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#3
RE: Large rise in AHI with replacement mask
Thank you. I have to fix my laptop so I can post screenshots from Oscar. At the moment I am limited to what displays on the dreamstation screen and in the dreammapper app. The app is really lacking, but for example reported 89% mask fit yesterday and 96% today. Both nights using the new mask. I don’t think I am breathing through my mouth, But I can’t really tell in my sleep.
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#4
RE: Large rise in AHI with replacement mask
This link may help you to be sure your new mask is fitted properly.
http://www.apneaboard.com/wiki/index.php...ask_Primer

If you are mouth breathing, I think you would notice a dry mouth.
OpalRose
Apnea Board Administrator
www.apneaboard.com

_______________________
OSCAR Chart Organization
How to Attach Images and Files.
OSCAR - The Guide
Soft Cervical Collar
Optimizing therapy
OSCAR supported machines
Mask Primer



INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE.  ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA.  INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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