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Centrals or Obstructive
#11
RE: Centrals or Obstructive
FWIW had there been mention you should be working on getting your sleep study detailed copy? HIPAA law allows you to request and receive it. You can put it in your health file and post redacted version here. There may be some data in it that may be helpful in shaping our suggestions.
Dave

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#12
RE: Centrals or Obstructive
Given that you likely aren't having any "real" obstructive events and running at a fixed pressure I would suggest reducing the pressure somewhat. In my case once the pressure goes over 8cm or so my breathing becomes much more uneven. You can see from your flow graphs that they are quite "furry", and the machine is reporting variable breathing 68% of the time. Maybe trying reducing pressure by 1cm/night until you start seeing "real" obstructive events... lower pressure should also be more comfortable.

ResMed seems much better at classifying OA vs CA. If you had the PR in 'auto' mode it would likely ramp up pressure due to misclassifing central events as obstructure.

How did you end up at 12cm fixed? Was there a titration study involved?
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#13
RE: Centrals or Obstructive
Hi NewToSleepApnea,

Regarding Pulse Rate changes (PRCs)...

You can change the setting in Oscar Under Preferences > Oximetry etc.

I have mine set to 15 bpm for 10 seconds. Need to rebuild the database after that. Then it "flags" less PRCs.

For what it is worth I have looked at my own Pulse Rate Changes and have concluded that, for me at least, looking at this does not help me: See Pulse Rate Changes... see #15

I still get precordial chest discomfort/palpitations as a side effect from PAP therapy and am still at a loss to find the cause, but have concluded that for me, analysing the PRC does not point me in the right direction. Too many other causes of PRCs for me to bother about. But, by keeping my pressures lower I am making some headway.
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#14
RE: Centrals or Obstructive
Thanks guys.  I got to 12cm Fixed from slowly working my way up.  Its been very inconsistent where 1 month will be great and then terrible for a week and back to good etc.  

I will make two posts to attach all sleep study.  During both my titration and my diagnostic tests were pretty good sleep nights.  O2 barely dropped and the onset issues didn't happen.  

I may try to start lowering the pressure.


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#15
RE: Centrals or Obstructive
Part 2


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#16
RE: Centrals or Obstructive
Changes Pulse Change to 15 BPM for 8 seconds and basically it disappeared to 3%.  Here is the screenshot of last night.  As you can see - almost all the episodes go when I'm falling asleep.  Its like intense onset issues - which are supposedly normal - just not this intense.   Maybe I'll try lower the pressure a bit.  

Thank you guys - it helps just to even talk this out.  

   
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