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My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
#1
My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
   

   

   

After years of trying and failing with my BiPAP, last night I got my first ~8 hours of sleep and the results seem quite 'good' (either fortunately or unfortunately because I'm still exhausted and the goal is to feel well-rested, not lower my AHI, but I digress). 

Obviously, my AHI is very low. I seem to recall people discussing some sort of curve as being desirable. I will search previous posts. In the meantime, is there anything about this data that stands out to you? 

My diagnosis a few years ago was UARS (three previous studies showed AHI ~4.5-4.8 with RDI closer to 40--as in RERAs, etc., per hour). Since then, I've been working hard with myofascial exercises. Not sure if that's helped or what. 

The spike around 8 am was me getting up to use the restroom.

Thanks in advance for any insights at all.


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#2
RE: My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
With your Philips Dreamstation BiPAP Auto at EPAP min 4.0, IPAP max 15.0, PS 2.0-6.0 you had extremely good results with only one OA and 2 H events. The machine never really moved off minimum EPAP pressure, and the algorithm of the BiPAP occasionally tested the 4 cm PS, but nothing very eventful there. I assume this was pretty comfortable, and the only change I would suggest is to tighten the pressure support range to be minimum 3.0 and maximum 4.0. Experiment with the BiFlex setting to see what feels best to you. I always preferred BiFlex 2 or even 1 to the 3 setting which felt "off" for me.

There just isn't much to critique here other than from 03:45 to 04:15 the expiratory flow seems to be missing (bottom half of the flow rate chart). That suggests you may have been exhaling orally and inhaling nasal. Other than that, turn off the Ramp. You don't need it at these pressures and the machine won't record events during ramp. There are some pretty high flow anomalies during ramp that are probably just deeper breathing as you settle in.
Sleeprider
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#3
RE: My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
Also, forgot to mention that heart rate is significantly more stable using BiPAP. 

However, my blood 02 level last night wasn’t improved over previous nights (as measured by Apple Watch, which I know isn’t accurate and I’m only using previous data as a kind of baseline rather than a precise measurement). In fact, it was down 1% (to 93%).
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#4
RE: My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
I think you will find the increase in minimum PS to be helpful, and you may even like using PS 4.0 as a minimum and maximum setting. Pressure support is what really sets the performance of BiPAP apart and can overcome upper airway resistance and related RERA.
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
Download OSCAR Software
Soft Cervical Collar
Optimizing Therapy
Organize your OSCAR Charts
Attaching Files
Mask Primer
How To Deal With Equipment Supplier


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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#5
RE: My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
Thank you for taking the time to respond. I will make these adjustments tonight. : )
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#6
RE: My First Ever Night (~8 hours) Of Data. Help Me Briefly Interpret?
I would also add that if this has been a longstanding issue, then it might take a good few nights of solid sleep before you start to really feel better. Glad to see things seem to be heading the right way for you!
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