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Is this the best I can do?
#21
RE: Is this the best I can do?
This is just a couple of nights of Oscar readouts, but I thought I'd post. With just C-Flex on at 2, I was still experiencing some aerophagia. So I thought I'd fool around with the flex settings. On Saturday I used A-Flex at 3 and min. pressure of 12. I got through the night without swallowing air....then Sunday night I kept A-Flex at 3 and raised min pressure to 13. It seemed to go okay with no aerophagia. 

I was wondering about the A-Flex set to 3. Is that an okay setting? The Oscar results seem better to me, but I would appreciate input. Could I do better?  

Also, I have Barrett's Esophagus which is caused by reflux. I read a study that showed that CPAP aerophagia can contribute to further reflux. I need to be really cautious.

Thank you!


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#22
RE: Is this the best I can do?
with Flex =3 most people have issues with, If it is working for you then it is no problem.
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter

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#23
RE: Is this the best I can do?
I'm of the mindset that if it's working for you with good AHI results, then it should be fine. AHI and comfort both count. I've got GERD and left side sleeping tends to be better to cope when that's been stirred up. Your own acid reflux issue probably acts similar. When that's in play, do what you must to maximize the comfort level, even if it comes to getting a higher AHI for a while.
Dave

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#24
RE: Is this the best I can do?
Here are 5 days of OSCAR charts. AHI is really not any better. I don't feel like I am sleeping really well. I have A-Flex on 3 -  min pressure is 13


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#25
RE: Is this the best I can do?
Your  median tidal volume is low for your height. That's probably mean that you are dealing with chronic flow limitations. Do you see a lot of flat topped inhalation in your flow rate graph? Something like this :
   

If that's the case, switching to a bilevel should help you. It should help your aerophagia as well.
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#26
RE: Is this the best I can do?
I would try Aflex at 2 or even 1, many have trouble with 3, your choice, 1,2,3 based on your comfort.
Fred Bonjour - 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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#27
RE: Is this the best I can do?
(09-23-2019, 01:11 PM)alexp Wrote: Your  median tidal volume is low for your height. That's probably mean that you are dealing with chronic flow limitations. Do you see a lot of flat topped inhalation in your flow rate graph? Something like this :


If that's the case, switching to a bilevel should help you. It should help your aerophagia as well.

My flow rate charts don't look like what you posted, but they look pretty irregular. Attached are random samples from one day.


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#28
RE: Is this the best I can do?
(09-23-2019, 02:41 PM)bonjour Wrote: I would try Aflex at 2 or even 1, many have trouble with 3, your choice, 1,2,3 based on your comfort.

Okay, I will lower again. It doesn't seem to make much difference in the numbers any way I have it set.
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#29
RE: Is this the best I can do?
Yes that's exactly what a flow limitation looks like. Some people are chronic sufferers like I was and it seems like you are. If you set the scale to -50/50, you'll see that your flow rate it's similar to the picture I uploaded (the top of the curve is flattened). A bilevel would probably be the better machine for you. 

You seems to have some central apneas though. A bilevel could help with that by decreasing the EPAP but it could also make it worse. I think it should be your next step.
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