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[Equipment] Advantages/Disadvantages of APAP versus CPAP
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robysue Online
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Posts: 1,230
Joined: Oct 2013

Machine: PR Dreamstation BiPAP Auto
Mask Type: Nasal pillows
Mask Make & Model: Swift FX
Humidifier: PR Dreamstation humidfier
CPAP Pressure: min EPAP = 4; max IPAP = 9;
CPAP Software: SleepyHead EncoreBasic EncorePro

Other Comments: Papping since September 2010

Sex: Female
Location: Buffalo, NY

Post: #11
RE: Advantages/Disadvantages of APAP versus CPAP
(03-31-2014 02:22 PM)zonk Wrote:  From my limited experience, AHI is always lower on AutoSet mode and more significantly no central apnea, while higher AHI and few centrals apnea on CPAP mode.
Like so many things in PAP therapy, there's a big variation from user to user. I based my original comments on what I've seen in both this and other forums in both my data and others.

For me: Fixed pressure will give me excellent AHI results---if the pressure is set high enough. For my BiPAP, that means running with a fixed IPAP = 8 and a fixed EPAP = 6. And my stomach is deeply uncomfortable at those pressures. So in my case, I sleep better and feel better with a tight Auto BiPAP range, even though the AHI numbers are not as good. (There is a point of diminishing returns when it comes to AHI numbers---many of us feel equally good with a long term AHI in the 1.5-2.5 range as we do with a long term AHI in the 0.0-1.0 range.)
03-31-2014 04:23 PM
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zonk Offline

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Posts: 7,908
Joined: Feb 2012

Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #12
RE: Advantages/Disadvantages of APAP versus CPAP
(03-31-2014 04:20 PM)robysue Wrote:  
Quote:In my case, easier to optimize pressure setting on AutoSet mode than CPAP mode, as the S9 AutoSet on Autoset mode can distinguish between apnea events (obstructive and central apnea) and treat them differently. While on CPAP mode, the machine can also distinguish between obstructive and central apnea but cannot treat them differently as the pressure stay constant all night and every night
That is news to me: Back in 2010 when I still had an S9 AutoSet, it distinguished between CAs and OAs regardless of whether I was using the machine in Auto mode or CPAP mode.
Why ... c'est la meme chose
03-31-2014 04:36 PM
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weeble Offline

Advisory Members

Posts: 154
Joined: Feb 2012

Machine: Resmed AirSense Autoset For Her S10
Mask Type: Nasal mask
Mask Make & Model: Wisp and DreamWear
Humidifier: AirSense
CPAP Pressure: 6-18
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Female
Location: Gold Coast Australia

Post: #13
RE: Advantages/Disadvantages of APAP versus CPAP
As a new user a few years ago, I was prescribed a cpap. Had to have various studies to fine tune the right pressure for me. In Oct last year, I bit the bullet and bought an auto (both resmed s9's). I haven't had a better quality sleep with the auto but I do like it, I like the fact that it does adjust to the pressure range I need as opposed to fixed pressure and it's good to see the data with the adjustments, but as others have said, if the auto doesn't work for you, you can set it to fixed pressure. 2 machines in 1. Good luck
03-31-2014 05:13 PM
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Mutineer Offline

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Posts: 65
Joined: Nov 2013

Machine: PR RemStar Pro w/C-Flex
Mask Type: Nasal mask
Mask Make & Model: PR Wisp
Humidifier: Attached Humidifier & Heated Tube
CPAP Pressure: 12
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Victoria, Down Under

Post: #14
RE: Advantages/Disadvantages of APAP versus CPAP
Thanks for your feedback guys, I realise now that I've got a lot to learn with my therapy but by monitoring this site regularly I'm sure I'll eventually get there.
03-31-2014 09:29 PM
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