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Switched to Bipap and AHI is through the roof!
#1
Switched to Bipap and AHI is through the roof!
Hi Guys,

I recently got switched to a Phillips Respironics Auto-Bipap, and the results have been terrible. My AHI is through the roof. It appears I am having a lot of central apneas. My titration study had the pressure set on 9/14. I think I may switch to auto and see how the algo adapts? I am attaching my sleep study and last night's charts. Any ideas would be graciously appreciated. I feel horrendous. 

Best, 

Justin


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.pdf   Sleep Study - 02.28.20.pdf (Size: 244.11 KB / Downloads: 11)
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#2
RE: Switched to Bipap and AHI is through the roof!
You have too much Pressure Support!!!
Reduce either PS = 2 or IPAP =11 keeping EPAP at 9.

What is likely happening is that you are flushing too much CO2 from your system to the point that your blood CO2 concentration has dropped below your apneic threshold resulting in central apnea. The above should help but we do need to see what the results are.
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#3
RE: Switched to Bipap and AHI is through the roof!
I switched my Bipap to auto. I was hoping the algorithm would do a better job of providing pressure as needed. I feel better than a few days ago but still not great. Charts attached.


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#4
RE: Switched to Bipap and AHI is through the roof!
set your
min EPAP = 6
Max IPAP = 12
Min PS = Max PS = 2

Then let's see what we get and hopfully get things to settle down.
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#5
RE: Switched to Bipap and AHI is through the roof!
This is an example of why we ask members to keep their therapy threads together.  You were previously on a Resmed Airsense 10 Autoset, and your AHI was near 5.0 with Autoset at 9.2 to 13.6 and EPR 3   http://www.apneaboard.com/forums/Thread-...l-terrible .  In that thread, Bonjour and OpalRose asked you to reduce EPR and pressure.  You changed to 7-12 pressure EPR 1 and AHI fell to 2.0 and at 5-10 with EPR off your results were less than 1 AHI and generally less than 2.0.  This was pretty promising, but that post was in January, and you disappeared, only to reappear with  a high AHI on BiPAP and really crappy charts. 

Pressure support is not your friend, and your older results were relevant.  Would you like me to merge  your older thread so the answers you get are able to take all of this into consideration? Either way, please review the Organizing Your OSCAR Charts wiki so we get the right information. http://www.apneaboard.com/wiki/index.php...ganization

 [Image: attachment.php?aid=18997]

[Image: attachment.php?aid=21921]
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

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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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#6
RE: Switched to Bipap and AHI is through the roof!
I'm going to add, one more thing...go back to the Resmed Airsense 10 Autoset and let us optimize from there. This BiPAP is not what you need.
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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