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Apap mode causing mask trouble
#1
Apap mode causing mask trouble
So my prescribed cpap pressure is 11cm from my split night sleep study, but I wanted to set a tight range on auto mode to see how my pressure needs fluctuate. I started with 10-13cm and the highest my pressure went was 12.5 and the lowest was 10.8. my problem was that with the nasal mask, every time the pressure would increase it would break my seal and I'd get woken up to fix the leak. So I tried the full face mask. Same thing happened. So the next night I tried 11cm-13cm. Same leaking happened, and also in Apap mode my AHI climbed to 3.9. When in cpap mode my highest was 2.4 and that was the first night. So my question is, is there a trick to stop the increasing pressure from breaking your seal? And is there a better mask style for Apap mode? Currently using an Ultra mirage 2 nasal mask, and ESon nasal mask, and a mirage Quattro, all of which I get great seals with in cpap mode.
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#2
RE: Apap mode causing mask trouble
Since your pressure is in a tight range, why don't you try a straight CPAP mode. You can use your 95% pressure to be the set pressure on CPAP mode (it will be less than your peak pressure seen in the last 30 days). Constant pressure will not dislodge your mask. Evaluate the CPAP mode for 10 days and see how you feel.

You may be surprised that you feel better on CPAP mode than on APAP.
PRS1 Auto & Dreamstation Auto w/ P10 and straight pressure of 8cm
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#3
RE: Apap mode causing mask trouble
I doubt the 2 cm pressure fluctuation is causing the problem, but some people are more sensitive to pressure changes than others. EPR on your machine can cause a 3 cm drop and rise between each breath.

Anyway, in auto mode, you can set minimum and maximum pressure both at 11, and it will act as a CPAP but give the flow limitation data available in auto.
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

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#4
RE: Apap mode causing mask trouble
I am confused. I use my S9 Auto in S mode and I get Flow limitation data. Why not just change the mode to CPAP?

Best Regards,

PaytonA

Admin Note:
PaytonA passed away in September 2017
Click HERE to read his Memorial Thread

~ Rest in Peace ~
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#5
RE: Apap mode causing mask trouble
(02-26-2015, 11:37 AM)PaytonA Wrote: I am confused. I use my S9 Auto in S mode and I get Flow limitation data. Why not just change the mode to CPAP?

Best Regards,

PaytonA

HUH.. Now you're confusing me.
Admin Note:
JustMongo passed away in August 2017
Click HERE to read his Memorial Thread

~ Rest in Peace ~
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#6
RE: Apap mode causing mask trouble
I think I'm going to stick with cpap mode since I have no problem with it. I may try to slightly increase my pressure though to work to eliminate all apenas. Thanks for chiming in.
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#7
RE: Apap mode causing mask trouble
(02-26-2015, 11:40 AM)justMongo Wrote:
(02-26-2015, 11:37 AM)PaytonA Wrote: I am confused. I use my S9 Auto in S mode and I get Flow limitation data. Why not just change the mode to CPAP?

Best Regards,

PaytonA

HUH.. Now you're confusing me.

Sleeprider said and I quote,"Anyway, in auto mode, you can set minimum and maximum pressure both at 11, and it will act as a CPAP but give the flow limitation data available in auto."

I was merely trying to say that flow limitation data is not exclusively available in auto mode. Don't you agree?

Best Regards,

PaytonA

Admin Note:
PaytonA passed away in September 2017
Click HERE to read his Memorial Thread

~ Rest in Peace ~
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#8
RE: Apap mode causing mask trouble
Payton, I am not sure with the resmed machine. I know the PR machines do not chart flow limitations when put in CPAP mode. In any event there is no practical difference between CPAP mode and making minimum and maximum auto pressure equal.
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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#9
RE: Apap mode causing mask trouble
(02-26-2015, 02:49 PM)Sleeprider Wrote: Payton, I am not sure with the resmed machine. I know the PR machines do not chart flow limitations when put in CPAP mode. In any event there is no practical difference between CPAP mode and making minimum and maximum auto pressure equal.

I can tell you that I know for sure my Resmed 10 Auto still tracks flow limitation when in CPAP mode.
Ed Seedhouse
VA7SDH

Part cow since February 2018.

Trust your mind less and your brain more.


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#10
RE: Apap mode causing mask trouble
I just checked and my S9 autoset definitely tracks flow limitation in straight cpap mode.
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