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Looking for Advice [Erratic results, many centrals]
#11
RE: Looking for Advice [Erratic results, many centrals]
(09-04-2019, 12:22 AM)bonjour Wrote: Let's try to avoid the Centrals, set you PS to 2, possibly going to zero.  Yes, I know, a big change, but it should knock down the Centrals.

Or, if PS of 2 feels too uncomfortable after being used to PS of 8, lowering PS to 5 or 6 may be sufficient to produce a marked improvement in the number of CA events while still retaining most of the breathing effort reduction which PS provides.
The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies.  Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment.
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#12
RE: Looking for Advice [Erratic results, many centrals]
I agree that we need to reduce PS, and going all the way to 2 is a big step. Try dropping to 6.0, observe and decide from there whether to drop to 5. If you really need that high PS, then an alternative is to use "Enhanced Expiratory Rebreathing Space" (EERS). There is a wiki on that subject you can read and learn how to add EERS tubing to your existing setup. It retains enough CO2 in the breathing circuit to prevent the centrals. http://www.apneaboard.com/wiki/index.php...ace_(EERS)
Sleeprider
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#13
RE: Looking for Advice [Erratic results, many centrals]
I questioned the settings initially, but I'll look into reducing that PS amount down.  I realized they probably set that because I was up in weight (which I'm working on reducing).  Also, it's been roughly 15 months and I'm surprised I haven't at least had some shred of a talk about the therapy outside of the DME asking me the required questions before monthly resupply.

Let me locate the instructions for reducing the settings and I'll update the thread after a few nights.  FWIW, I did drop down to a small mask last night and my AHI was < 5.  So, I partly believe I have an equipment issue along with a constant Central problem that has always been there.  It's just the new equipment batch has exacerbated the issue in the last 6 weeks.

--j
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#14
RE: Looking for Advice [Erratic results, many centrals]
Quick update. Reduced the setting to 6 instead of 8. I also switched back to the Small sized mask. First night where I switched masks my AHI was down to 5. With the mask and PS to 6 the second night, my centrals were cut in half and AHI was down to 3.5. Although, obstructive and hypos were up, but that’s where I think I was tucking my chin in, which could be fixed with a better pillow or cervical collar, I would think. More updates as I get used to 6 and look to decrease that number in testing.
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#15
RE: Looking for Advice [Erratic results, many centrals]
Okay    Good news that you are slowly clubbing this problem into submission. Big Grin
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