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New to forum and to data analysis
#51
RE: New to forum and to data analysis
(10-05-2020, 11:29 AM)Dormeo Wrote: Two questions:  did you and your wife ever discuss your high altitude with the doctor?  And in your wife's original sleep study, what was the breakdown in her AHI (OAs, CAs, Hs)?  If you don't have a copy, you can request one; in the U.S. you have a right to a copy.

Attached is her sleep study. This was done with an at home kit, so it is at our current 7500 ft altitude.

We are still in search of a doctor to talk to. She was at a Pulmonary clinic getting a Pulmonary function tests (PFT) , she goes in soon for a meeting with the doctor who also does sleep study analysis. We will see if we can get him to review her results.


Attached Files
.pdf   Sleep study results.pdf (Size: 280.75 KB / Downloads: 6)
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#52
RE: New to forum and to data analysis
Do you have a recording oximeter?  
That is a diagnostic sleep study with 288 minutes of Oxygen less than 88%.  That is the worst O2 Sat that I have seen based on duration.  I could care less about lows because they are typically spikes.  These levels say supplemental oxygen is needed without CPAP.
O2 Sats while sleeping are typically lower than daytime values.  
IMHO with those values you should periodically check your overnight levels to make sure they are higher.
Fred Bonjour - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter 
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#53
RE: New to forum and to data analysis
It would be great if you could record a few nights of O2 before the doctor visit. I also hope the doctor will pursue the question of nighttime O2 sats, whether or not you have any data to present.
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#54
RE: New to forum and to data analysis
Don't have anything to record oximeter. We do have oximeter that goes on your finger. We would need to buy from amazon I suppose. I see some watches with finger sensor for $100-$150 .
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#55
RE: New to forum and to data analysis
Can you spot check Nighttime O2 levels. As bad as it was even that should give you an idea.
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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#56
RE: New to forum and to data analysis
I can see me attempting to put an oximeter on her finger once or twice throughout the evening. I assume it is a better reading if she is asleep.
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#57
RE: New to forum and to data analysis
You need sleep reading as it is lower than awake reading.
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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#58
RE: New to forum and to data analysis
(10-05-2020, 12:01 PM)a2wheelerte Wrote:
(10-05-2020, 11:29 AM)Sleeprider Wrote: Limit pressure to 8.0, or consider fixed pressure at 8.0/7.0 with EPR 1.  Since her minimum pressure is already 8, just set the maximum pressure at 8.0 as well.

I will set the max to 8.0, leave EPR at 1. I do see that the pressure was at 10-11 a lot, thus the Exhale pressure was 9.
Do you think that the pressure being alllowed to go higher is cause of CA's.
I can also see that running this simply as a test for results will give more information. I'm guessing that the OA's will go up a little but possibly get the CA's down.


Thanks for the quick response.

We're dealing with someone sensitive to pressure changes and higher pressure in general.  We have successfully coached members to use fixed pressure to remove variables that allow us to establish a better baseline for events, reduce sleep disruption, and reduce the CA events that seem to go along with them.  If I thought it might compromise her therapy, I would not suggest it.  My objective is to improve comfort and to move closer to efficacy, and sometimes that means not relying on the Autoset algorithm that is very sensitive to flow limitation.
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#59
RE: New to forum and to data analysis
Thank you very much for the feedback. We are seeing improvements and even think we understand what is happening a little bit. Your recommendations are making sense. We are anxious to see the results tomorrow with min and max set to 8 with EPR at 1. Still have the ramp on with starting pressure of 6.
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#60
RE: New to forum and to data analysis
O2 was 91 before she went to bed, and 90 about 1:30am . But she did wake up during the test.

Attached are the results of the Max of 8 being put on. I see RERA's that I have not seen before.


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