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AT's Therapy Analysis - Printable Version

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AT's Therapy Analysis - Pawpri - 03-24-2024

Good Morning,

I found this site because I had posted in R about the CPAP AHIs being Unstable. I was unable to get data, since I did not have an SD card in the machine for the first week. I only have complete data for last night. 

The AHI for the first week was 

N1 - 35
N2 - 17
N3 - 19
N4 - 33
N5 - 26
N6 - 27
N7 - 39
N8 - 7
N9 - 8 (last night)

Mask Seal and Mask on/off were both good according to the app.
It's on a dr set pressure of 8.

The AHI at the sleep study was 15.2

Other information:
USA - 35 YO male - Healthy Weight - OSA caused by his jaw being back far - He's not noticing much of a difference in sleep quality or feeling refreshed when he's awake. 

He's a mouth breather, and uses a full face mask. Airfit F20 Size Medium

Any advice on why his AHI is so unstable, and how to make this work better for him would be very appreciated. Thank You.

[attachment=61674]


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-24-2024

Did I do it wrong?


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Old Steve - 03-24-2024

You appear to be having some positional apneas, the apnea clusters are a sign of this.  You are most likely chin tucking, your neck/throat position is cutting off your air way.  Imagine a garden hose bent over, stopping the flow of water, CPAP pressure will not help with this.   You need to either get a lower pillow or if you sleep on your back try sleeping on your side or try using a soft cervical collar, it helps with some people.    Also, if you do not have to use the ramp, turn it off, you aren't getting any benefit from the CPAP to control apneas when it is running.  Your flow limits are quite high and may be causing arousals, also you pressure may not be quite high enough, but first I think that you should get the positional apnea under control. 

Search WIKI on this site for more info on positional apnea.


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-24-2024

Thank you! 

So for now, just have him sleep on side, instead of on back, and turn off ramp? 

Is flow limits something I need to change?


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-25-2024

2.2 ahi last night and he says he feels more tired.


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Old Steve - 03-25-2024

Can you post last nights OSCAR chart...


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-25-2024

see attached

[attachment=61745]

[attachment=61746]

[attachment=61747]


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-25-2024

Are we allowed to bump our thread?


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-26-2024

Help please Smile


RE: New CPAP User - Help Please - ResMed Airsense 11 Autoset - Pawpri - 03-26-2024

(03-25-2024, 10:13 AM)Old Steve Wrote: Can you post last nights OSCAR chart...

See my post! I can upload last night's later as well