Aerophagia

General Discussion on any topic relating to CPAP and/or Sleep Apnea.
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ejbpesca
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Re: Aerophagia

Post by ejbpesca » Fri Nov 11, 2022 9:30 am

Last night's sleep report shows an AHI of 0.18. That score is all hypopnea. All apneas are 0.0! This is a first.

I am up to Min. 8, Max. 10 pressures with no aerophagia.

95% = 9.96
99.5% = 10.00

I have read that 95% shows a pressure the machine is at or below 95% of the time. I don't understand how that has any significance. Are these percentiles it telling me to raise the Max pressure? Can someone give a definition of them for dummies?

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Pugsy
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Re: Aerophagia

Post by Pugsy » Fri Nov 11, 2022 10:23 am

ejbpesca wrote:
Fri Nov 11, 2022 9:30 am
I don't understand how that has any significance.
It doesn't really mean much of anything of any major significance.

AT or BELOW...that is the definition and 95% numbers are easily skewed to the high side with just a relatively short period of time at higher numbers.

It's just a number...and most of the time doesn't mean much of anything.
ejbpesca wrote:
Fri Nov 11, 2022 9:30 am
Are these percentiles it telling me to raise the Max pressure?
The only real reason to increase the maximum is when someone keeps pegging out the max all night long where the machine wants to go higher for some reason or other but can't.
Normally we just let the machine sort it out with more maximum....BUT when someone is having major aerophagia issues and the machine wants to go higher and the going higher causes a problem then it is perfectly acceptable to limit the max..even if it pegs out at max all night long.
Sometimes the reason it wants to go higher creates a bigger problem than it is trying to fix.

Here's a really old report of mine that shows a higher 95% number at a little above 16 but my overall average is around 12.
It's pretty clear that the time at the end of the night where the pressure went way up there is the reason for the elevated 95% number.

What does it mean? Nothing. It's just a number.

Now you are probably maxing out at 10 for quite a bit of time....in your situation with your potential aerophagia issues I wouldn't go wild and crazy trying to increase the max. You might create a bigger problem.

Especially if you are sleeping decently and with that AHI well below 1.0....I wouldn't change a thing if it were me.

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Re: Aerophagia

Post by robysue1 » Fri Nov 11, 2022 10:25 am

ejbpesca wrote:
Fri Nov 11, 2022 9:30 am
Last night's sleep report shows an AHI of 0.18. That score is all hypopnea. All apneas are 0.0! This is a first.

I am up to Min. 8, Max. 10 pressures with no aerophagia.

95% = 9.96
99.5% = 10.00

I have read that 95% shows a pressure the machine is at or below 95% of the time. I don't understand how that has any significance.
...
Can someone give a definition of them for dummies?
I once upon a time wrote a basic explanation (complete with examples) of what a 95% number means and how it is calculated. You can find it at my old blog about CPAP related things.

The relevance to PAP therapy is that the 95% pressure level gives you an idea of how much pressure the machine is using when your breathing is at its worst during the night. So if someone wants to use fixed pressure, then the usual recommendation is to start with the 95% pressure level after several days of titration on an APAP running with a max pressure of 20. But you already know that max = 10 is doing a good job of controlling your OSA, so there's no real need to do further titration with a higher max pressure.

Are these percentiles it telling me to raise the Max pressure?
Not necessarily. Your AHI is good and you're feeling decent and there's no aerophagia. So in my opinion, there is no good reason to increase the pressure, and there's a very good reason to not increase the pressure---namely to prevent the aerophagia from reappearing. In other words, if it ain't broke, don't fix it.

Now, if you were running at roughly 10cm of pressure all night long and if there were evidence of significant snoring, lots of flow limitations, or on some nights you get clusters of obstructive events that can't be written off as SWJ, and if you weren't feeling decent, then there would be a reason to increase your max pressure. But in that case, I'd encourage you to do it cautiously so as to minimize the chances that the aerophagia monster comes back.
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Re: Aerophagia

Post by ejbpesca » Wed Nov 23, 2022 10:07 am

Finally got 02 data in on an OSCAR report. Android File Transfer got the O2 Ring data from my phone to the Mac. The O2 Insight Pro app for Mac will not save the O2 Ring files in proper format for OSCAR. I see it takes a while for OSCAR, in some cases to get the O2 segment to a sleep report. Sometimes 02 Ring data appears instantly, other times the Import Wellue/Viatom data takes a bit to appear.

Looking like this OSCAR report tells me that at least for one night my AirSense 10 worked well and my body cooperated by not moving to my back. I will hang a while on these settings until another BAD cluster shows then go from there.

And that begs the question: "Can blood O2 go from 97 to 75 and back to 95 in less than a minute, and repeat that 60 times in a cluster of events lasting 30 minutes? My O2 ring is claiming such.

Thanks, y'all.

Ooops, "Sorry, the board attachment quota has been reached."
I guess I can help by deleting my past files.
I no longer get notified by email when a reply is posted even though to do so is checked. Anyone know what's up there? No email in junk folder either.

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Re: Aerophagia

Post by ejbpesca » Fri Nov 25, 2022 9:54 am

Can 70 OAs occur in one hour? Can a CPAP machine sense that many in such rapid succession?

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Re: Aerophagia

Post by robysue1 » Fri Nov 25, 2022 1:17 pm

ejbpesca wrote:
Fri Nov 25, 2022 9:54 am
Can 70 OAs occur in one hour? Can a CPAP machine sense that many in such rapid succession?
Yes, although it is unusual, it is possible for a person to have 70 OAs in one hour.

And yes, unless there is a huge leak, xPAP machines do an excellent job of tracking the airflow in and out of your upper airway.
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Re: Aerophagia

Post by palerider » Fri Nov 25, 2022 1:31 pm

ejbpesca wrote:
Fri Nov 25, 2022 9:54 am
Can 70 OAs occur in one hour? Can a CPAP machine sense that many in such rapid succession?
It only takes 10 seconds to 'sense' one.

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Re: Aerophagia

Post by ejbpesca » Sun Nov 27, 2022 2:36 pm

Funny I mention recently the possibilities of equipment failure on another post and this appears on last nights OSCAR reports:

All graphs have data for 8 hours except for Flow Rate, Mask Pressure, Insp. Time and Exp. Time. Those are blank for 7 hours then data appears the last hour or so of the session. The night before's report showed those items blank for the first third of the session before data is recorded. I can't find another report out of a dozen that has blank areas.

The graphs that have full data from last night show what appears to be a decent night of therapy with little to no leaks.

I wonder why the blank hours of operation?

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Re: Aerophagia

Post by ozij » Sun Nov 27, 2022 9:12 pm

IIRC you're on a Mac.
JoyD has also run into sudden problem with OSCAR on a Mac - after upgrading to Ventura.

On the other hand, on my PC, I sometimes need to close OSCAR, take out the SD card, reinsert it and do the whole OSCAR import again, and the problem is solved. So try this, and then check JoyD's thread.

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Re: Aerophagia

Post by ejbpesca » Sat Dec 17, 2022 10:14 am

At 8-14 pressure. Aerophagia is not present. Gained back six pounds as acute acid reflux subsides.

This report is a usual mess of pressure pegging, leaks, etc., but maybe as good as I am going to get. Looking back, it seems I will not be able to produce a nice even night of OSCAR reported therapy due to sleep habits that interfere with PAP therapy.

I am all over the place in bed, wake on my back, wake to find the mask off, go though bizarre time of somewhere between wake and sleeping with vivid dreams.

I resumed the med Gabapentin at night due to the return of leg movement that kept me from being able to fall asleep. Drug causes me to wake uncoordinated, as if in an intoxicated state that passes within an hour. The benefit is that even with bizarre dreams and restless sleep, I feel more rested, clear headed, and capable for a few hours after the side effects wear off. It's a trade off. I probably will stop it again due to how bizarre the stuff make me feel.

Please take a look at this report and give your much appreciated opinion. I cannot stop the move to supine position in my sleep. I may get an another collar, but after wearing one for a few months I found it very irritating. I replace my FF mask every month. At about 2 weeks I tighten the mask. I will try a medium again to see if it may not leak as much. I don't think it is my beard that causes leaks, but rather movement, because I can go a whole night with a very low leak rate.

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Re: Aerophagia

Post by ozij » Sat Dec 17, 2022 10:28 am

Are you aware of what made the difference before the first and second session?

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Re: Aerophagia

Post by Julie » Sat Dec 17, 2022 10:37 am

Why do you replace your mask so often?

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Re: Aerophagia

Post by ejbpesca » Mon Dec 19, 2022 12:34 pm

ozij wrote:
Sat Dec 17, 2022 10:28 am
Are you aware of what made the difference before the first and second session?
I can only guess that I may have stopped moving so much.

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Re: Aerophagia

Post by ejbpesca » Mon Dec 19, 2022 12:36 pm

Julie wrote:
Sat Dec 17, 2022 10:37 am
Why do you replace your mask so often?
My AirFit 10 full face loses its elasticity with time. By one month I am having to tighten it too much. A new one allows me to loosen the head gear.

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