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Mouth breathing vs AHI
#1
Mouth breathing vs AHI
Hello all. Long time lurker, first thread etc etc... Thanks for all the info you gals n guys provide - amazing.

I am a mouth breather (currently trying to correct this) . My question - if i am using my CPAP and air is rushing out my mouth, how does this effect my AHI? I'd love a simple and then technical answer if poss. i think i understand, but need a bit more re-assurance from some knowledgeable people. 

For context. I have been using a chin strap which is great, but i find it really pulls on my jaw no matter how tight or loose it is. I also experience lip flutter (or mouth farts i call it). So have also been using a SCC as you guys have recommended trying. Also mouth taping but that makes me crazy anxious and tense and really doesn't work for me.
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#2
RE: Mouth breathing vs AHI
With a large leak, the CPAP machine cannot maintain air pressure, but you get to enjoy the wind from flow. It is pressure that treats our apnea, so it's really bad for therapy.

The machine depends on a good connection to your airway to judge your respiratory flow and to detect apnea, flow limits, snores etc. When the positive pressure circuit is leak-free, the machine can sense all of that. When large leaks are present, it's like trying to fish with a slack line. Good luck!

Download the free OSCAR program. You will get a much better idea of what is going on. Without leaks you will see the respiratory flow graphs in good resolution. When a leaks happens. the respiratory flow seems to fade, and eventually you can see the machine lose control.
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
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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: Mouth breathing vs AHI
(02-10-2021, 10:12 PM)Sleeprider Wrote: With a large leak, the CPAP machine cannot maintain air pressure, but you get to enjoy the wind from flow.  It is pressure that treats our apnea, so it's really bad for therapy.

The machine depends on a good connection to your airway to judge your respiratory flow and to detect apnea, flow limits, snores etc.  When the positive pressure circuit is leak-free, the machine can sense all of that.  When large leaks are present, it's like trying to fish with a slack line.  Good luck!

Download the free OSCAR program.  You will get a much better idea of what is going on.  Without leaks you will see the respiratory flow graphs in  good resolution. When a leaks happens. the respiratory flow seems to fade, and eventually you can see the machine lose control.

Now that makes perfect sense. Thankyou. 

I have been using just the SCC the last couple of nights and have an average AHI of 2-3. But am still getting a bit of mouth leakage - nothing like it was with an open mouth tho! So just weighing up whether i try a full face mask or stick with the method i'm using. I have zero leak and a way better AHI than i did have. 

I have downloaded OSCAR. If i wait a week to get some solid data - does OSCAR read back that far - or does it need to be done daily?
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#4
RE: Mouth breathing vs AHI
OSCAR reads detailed data for every night the SD card is in the machine. Years worth. But the card must be in the machine overnight, you cannot put the card in in the morning and get data for the previous night.

Read the Mask Primer in my signature, especially the section on mouth breathing.
Gideon - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter

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#5
RE: Mouth breathing vs AHI
What would I do without you lovely people?

Thanks for the OSCAR info. And thanks for the links. I'll have a read and make some adjustments.

I'll upload some Oscar data here when I have a larger data range to look at. Will ask for some advice then if that's ok? Thankyou again !
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#6
RE: Mouth breathing vs AHI
1 night data is enough to look at, post when you have that.
Gideon - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter

Download OSCAR
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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#7
RE: Mouth breathing vs AHI
(02-11-2021, 06:18 AM)Captain Howdy Wrote: What would I do without you lovely people?

Thanks for the OSCAR info. And thanks for the links. I'll have a read and make some adjustments.

I'll upload some Oscar data here when I have a larger data range to look at. Will ask for some advice then if that's ok? Thankyou again !

I'm following your thread as you're following mine....it seems we're in the same apnea boat.

farting lips indeed, lol.
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#8
RE: Mouth breathing vs AHI
(02-10-2021, 10:12 PM)Sleeprider Wrote: With a large leak, the CPAP machine cannot maintain air pressure, but you get to enjoy the wind from flow.  It is pressure that treats our apnea, so it's really bad for therapy.

The machine depends on a good connection to your airway to judge your respiratory flow and to detect apnea, flow limits, snores etc.  When the positive pressure circuit is leak-free, the machine can sense all of that.  When large leaks are present, it's like trying to fish with a slack line.  Good luck!

Download the free OSCAR program.  You will get a much better idea of what is going on.  Without leaks you will see the respiratory flow graphs in  good resolution. When a leaks happens. the respiratory flow seems to fade, and eventually you can see the machine lose control.

Would I be right in saying, if I had mouth leakage issues my AHI count would be higher? I'm still averaging 3 at the moment (just woke up on this side of the planet). 

I'll upload some Oscar data this eve after work. That will make it a bit easier to see what's going on.
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#9
RE: Mouth breathing vs AHI
The answers are in Oscar. Let's look at the charts, then there will be no need to guess.
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
Download OSCAR Software
Soft Cervical Collar
Optimizing Therapy
Organize your OSCAR Charts
Attaching Files
Mask Primer
How To Deal With Equipment Supplier


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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#10
RE: Mouth breathing vs AHI
Just to quickly jump on this persons thread.. I get the nasal pillow tomorrow and ordered a cervical collar. For the first night, I can try w/out the collar just to see how my mouth breathing is, right? Then I can see w/ OSCAR if the leaks are apparent in the data and determine whether I need to incorporate the cervical collar?
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