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Getting a machine advice
#81
RE: Getting a machine advice
Here you go.  Coincidentally (or not) 4:40 is right around the time my wife gets up to go to work.


       


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#82
RE: Getting a machine advice
OK copy. I'll have to defer to better chart readers. Standby for info. I have yet to experience my caffeine kick in. Bad night sleeping does that. I don't like seeing these events of CA popping up with a straight 7 pressure.

I can't remember, was there discussion of your sleep study events? And had you posted one to look at?
Dave

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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#83
RE: Getting a machine advice
I would say all of the in lab sleep studies I have had over the years for diagnostic all of the events we largely labeled on the sleep study as Hypopneas w/Arousal.  ~90+%.  Very few central, obstructives, etc.
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#84
RE: Getting a machine advice
OK yeah let's allow the experts to chime in. I'm still not up to par yet today. I think there's an indicator of something amiss, but I'm not as good at picking things out as are others.
Dave

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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#85
RE: Getting a machine advice
I think the pattern is typical for mild central apnea with periodic breathing. My opinion has always been that "hypopnea with arousal" or most of your arousal events is related to a central breathing pattern that results from a hypocapnia that approaches your apneic threshold. https://physoc.onlinelibrary.wiley.com/d...004.028985 It's central, but also related to increased ventilation from CPAP. You don't desaturate SpO2 during these episodes, but the breathing attenuation or pause allows CO2 to build, and that restarts normal respiration. There is an easy fix for this called enhanced expiratory rebreathing space (EERS) and it simply stabilizes CO2 by adding a segment of tube between the mask and vent so that a small amount of air containing expiratory CO2 is re-breathed on every breath. It's rarely used, but we have several members that use it as an alternative to ASV for mild idiopathic central events like yours. Member Foxfire is someone to talk to. Here is our wiki. http://www.apneaboard.com/wiki/index.php...ace_(EERS)
Sleeprider
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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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#86
RE: Getting a machine advice
as far as EERS, if you want to try it, will require 1 mask, we will block the vents so you cannot us it as a 'normal mask, generally a no no, then add a short length of tube, it comes in 6-inch cuttable segments, and a new 'vent' so too much CO2 is not introduced, and a hose connecter. Actually pretty simple
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
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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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#87
RE: Getting a machine advice
I will definitely look into the EERS.  It seems as though this is going in that direction, and everything you all have mentioned makes sense.

In the meantime, I think i am going to drop the EPR back down from 1 to 0 and drop the pressure from 7 to 6.  Since I am not having any issues with OAs or HAs and mostly only centrals are showing up I think it makes sense to drop the pressure and see if there is any change.

Let me know your thoughts on this.

One thing i did notice that may be (or might not be) an important data point.  I have been averaging around 8 Hypopnea per night and every night for the last two weeks since i started every Hypopnea that is flagged is exactly 10 seconds long.  All the centrals are all over the place but the Hypopnea EVERYTIME are exactly 10 seconds.  Any takeaways from that?

My initial thoughts are that I am having a lot more hypopneas than are flagged, but they are resulting in an arousal before they hit the 10 second mark and may be contributing along with the centrals A to why i am so tired.

thoughts?


       
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#88
RE: Getting a machine advice
I'm on-board with a trial at 6-cm. Nothing really to add at this point and I think you've become proficient at interpreting this data. We will just be here for support.
Sleeprider
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____________________________________________
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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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#89
RE: Getting a machine advice
my understanding is that machines don't report duration of hypopnea but earlier versions of sleepyhead and maybe oscar reported them as 10 seconds because that's the minimum time for an apnea/hypopnea to be flagged. I believe the duration for hypopnea has been removed from current version of oscar.
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#90
RE: Getting a machine advice
Last nights results at a pressure of 6.  No EPR.  The least amount of OAs and HAs I have had yet.  That is definitely the opposite of what i would expect.  I would think lowering the pressure would cause more OAs and HAs.  

At this point is the CPAP even doing anything for me?  Besides either causing or at a minimum not fixing my CA problem?



   
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