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Need some advice on APAP Range settings
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chill Online

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Posts: 850
Joined: Mar 2016

Machine: DreamStation X500
Mask Type: Full face mask
Mask Make & Model: Walk-in Mask Closet
Humidifier: DreamStation
CPAP Pressure: 13-16
CPAP Software: SleepyHead

Other Comments: CPAP True Believer

Sex: Male
Location: Vancouver, Canada

Post: #31
RE: Need some advice on APAP Range settings
While all of this has been fascinating (note to self: never mention EPR or Flex again, ever Big Grin) it does not answer my intended question of why my AHI is suddenly so dramatically worse, or what to do about it.
04-10-2016 11:52 PM
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palerider Online

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Posts: 440
Joined: Nov 2014

Machine: s9 vpap auto
Mask Type: Nasal pillows
Mask Make & Model: p10
Humidifier: none
CPAP Pressure: 18/13+
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Dallas(ish)

Post: #32
RE: Need some advice on APAP Range settings
(04-10-2016 11:52 PM)chill Wrote:  While all of this has been fascinating (note to self: never mention EPR or Flex again, ever Big Grin) it does not answer my intended question of why my AHI is suddenly so dramatically worse, or what to do about it.

I see *one* pic posted by you, that shows an ahi of 5 something, and indicates your pressure is too low.

is that the better or worse pic?

can we get more information, like a good one and a bad one?
04-11-2016 12:55 AM
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chill Online

Advisory Members

Posts: 850
Joined: Mar 2016

Machine: DreamStation X500
Mask Type: Full face mask
Mask Make & Model: Walk-in Mask Closet
Humidifier: DreamStation
CPAP Pressure: 13-16
CPAP Software: SleepyHead

Other Comments: CPAP True Believer

Sex: Male
Location: Vancouver, Canada

Post: #33
RE: Need some advice on APAP Range settings
Not sure what happened there, that was supposed to be two different nights. The second one (now removed) ended up in thumbnails. I went with sdb7802's advice on to use a range of 9.5 to 14 last night. My AHI dropped to 1.5.

[attachment=2355]
04-11-2016 10:58 AM
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Adoniscmj Offline

Advisory Members

Posts: 168
Joined: May 2015

Machine: Resmed AirSense10 Autoset for her
Mask Type: Nasal pillows
Mask Make & Model: Resmed Airfit P10
Humidifier: Integrated
CPAP Pressure: 6 to 9
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Everett, Washington

Post: #34
RE: Need some advice on APAP Range settings
(04-08-2016 02:07 PM)FrankNichols Wrote:  Posting some Sleepyhead reports would help get answers. I guess my first step would be to put the Autoset machine into CPAP mode and run it at 9.5 a couple nights to a week to see if that reverts you back to where things were working. Also, you might want to look at things like EPR and RAMP. I had to turn both of those off to get my AHI to settle down, but my case if different - I got the Autoset instead of an Elite even though I was supposed to be on CPAP and not auto. (It's a long story). So, when I started my AHI was up in the 30's with the new machine. I got the AHI down to 3 by turning off everything automatic, shaving my beard off to get leaks under control, and fiddling with the fit of my FFM. Now, I will let it run like the for a week or so, and then slowly start adding things back into the mix going for stability and repeatability foremost.

Yea, this is what I would do as well. If you have had good results at a steady pressure of 9.5 then go with it. It maybe higher due to the machine changing the pressure on you.
04-12-2016 02:04 PM
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Ghost1958 Offline

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Posts: 957
Joined: Aug 2014

Machine: PRS1 Series Sixty Auto Aflex
Mask Type: Nasal mask
Mask Make & Model: F&P Eson
Humidifier: PRS1 with Heated Hose
CPAP Pressure: 10.5 min 16 max
CPAP Software: SleepyHead EncoreBasic

Other Comments: Moderate to Severe SA Obstructive. Rapid O2 desat off the machine.

Sex: Male
Location: KY

Post: #35
RE: Need some advice on APAP Range settings
(04-09-2016 11:35 PM)palerider Wrote:  I suppose we'll have to just agree to disagree till someone comes up with a manometer and some empirical information Smile

Vesheline is correct. Aflex is flow based. Gives vaying cm of relief based on flow , up to three initally, but will never end an exhalation with more than 2 cm of reduction of the current running pressure.
Cflex + works the same way.
Cflex is a different animal.
04-13-2016 12:05 AM
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palerider Online

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Posts: 440
Joined: Nov 2014

Machine: s9 vpap auto
Mask Type: Nasal pillows
Mask Make & Model: p10
Humidifier: none
CPAP Pressure: 18/13+
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Dallas(ish)

Post: #36
RE: Need some advice on APAP Range settings
(04-13-2016 12:05 AM)Ghost1958 Wrote:  
(04-09-2016 11:35 PM)palerider Wrote:  I suppose we'll have to just agree to disagree till someone comes up with a manometer and some empirical information Smile

Vesheline is correct. Aflex is flow based.

yes, I know it's flow based, it's the 2cm drop he alleges that I'm disputing.
04-13-2016 03:27 PM
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