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Dreamstation - CFlex or aflex in auto mode
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stephennic Offline

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Posts: 106
Joined: Jun 2016

Machine: Trialling a Dreamstation auto and fixed
Mask Type: Full face mask
Mask Make & Model: Philips Amara View
Humidifier: dreamstation
CPAP Pressure: 9 cm
CPAP Software: Not using software

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Sex: Male
Location: australia

Post: #1
Dreamstation - CFlex or aflex in auto mode
Hi all,
I just read that you can use c flex I auto mode on the dreamstation is that correct. Is it better to use aflex or c flex + . What be the most comfortable settings. Do people prefer one over the other. currently trying aflex on 1.
Cheers
Steve
08-19-2016 09:09 AM
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OpalRose Offline

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Posts: 3,170
Joined: Nov 2014

Machine: PR System One REMstar Auto 560 with A Flex
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10 For Her
Humidifier: REMStar heated humidifier with heated hose
CPAP Pressure: Auto Cpap 10-13 AFLEX 1
CPAP Software: SleepyHead EncoreBasic

Other Comments: Started CPAP Therapy October 23, 2014

Sex: Female
Location: Northeast Ohio, USA

Post: #2
RE: Dreamstation - CFlex or aflex in auto mode
Like anything else, the flex settings are something you just have to try. And yes, you can use CFlex in auto mode. I tried CFlex when I first started therapy and didn't care for the feel of it, so switched to AFlex.

Unlike ResMed Machines, Flex settings will drop pressure at the most 1.5 to 2cm. on exhalation.

• C-Flex – Provides pressure relief upon exhalation.
• A-Flex/C-Flex+ – Provides pressure relief taking place at the end of inhalation and at the start of exhalation.

I know it is confusing! Sad

OpalRose
(This post was last modified: 08-19-2016 10:20 AM by OpalRose.)
08-19-2016 10:01 AM
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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: #3
RE: Dreamstation - CFlex or aflex in auto mode
Opal is pretty much dead on with the flex but for one thing.
Flex a c or c+ is as she said flow based

However if set to 3 all of them can, based on flow , drop a full 3 cm at the BEGINNING of exhalation.
None of the flex settings will end exhalation at more than 2 cm lower than the high point of the previous inhalation.

But whats a cmh2o or two here and there amongst friends LOL.
08-19-2016 06:32 PM
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OpalRose Offline

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Posts: 3,170
Joined: Nov 2014

Machine: PR System One REMstar Auto 560 with A Flex
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10 For Her
Humidifier: REMStar heated humidifier with heated hose
CPAP Pressure: Auto Cpap 10-13 AFLEX 1
CPAP Software: SleepyHead EncoreBasic

Other Comments: Started CPAP Therapy October 23, 2014

Sex: Female
Location: Northeast Ohio, USA

Post: #4
RE: Dreamstation - CFlex or aflex in auto mode
Ghost, thank you....I forgot it is flow based.

Over the course of almost 2 years, I have tried all three settings; 1,2 and 3.
And none of them dropped my pressure more than 2cm. The average for me is 1 to 1.5 drop.

I must be a shallow breather. Sad

OpalRose
08-19-2016 06:42 PM
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icyura10 Offline

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Posts: 197
Joined: May 2016

Machine: RESMED AirCurve 10 VAUTO
Mask Type: Nasal pillows
Mask Make & Model: Phillips Respironiscs DreamWear under the nose nasal ma
Humidifier: INCLUDED
CPAP Pressure: IPAP (20); EPAP (12); PS (8)
CPAP Software: ResScan SleepyHead

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Post: #5
RE: Dreamstation - CFlex or aflex in auto mode
(08-19-2016 06:42 PM)OpalRose Wrote:  And none of them dropped my pressure more than 2cm. The average for me is 1 to 1.5 drop.

It's software problem I tell y'a!!! now where did I put my disassembler???

Warning: Eating chocolate may cause your clothes to shrink!
[Image: ry6XtE9.gif] <---- That's ME!
08-19-2016 06:45 PM
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Ghost1958 Offline

Advisory Members

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: #6
RE: Dreamstation - CFlex or aflex in auto mode
(08-19-2016 06:42 PM)OpalRose Wrote:  Ghost, thank you....I forgot it is flow based.

Over the course of almost 2 years, I have tried all three settings; 1,2 and 3.
And none of them dropped my pressure more than 2cm. The average for me is 1 to 1.5 drop.

I must be a shallow breather. Sad

Lol no Opal I doubt it. Flex would never show more than a 2 cm drop on a graph. It will never end the exhale with a drop more that 2cm below the high point of the previous inhale.
But it will at the very start of exhale give a 3 cm drop then come back up during the exhale to END at no more than 2
All dependent on flow of course.
With the Dreamwear mask im trying now, I run Aflex of 2. I can exhale without it ok but using it brings up my min vent and tidal volume.

If I set it on 3 its too much relief at the start of my exhale.
08-19-2016 07:10 PM
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OpalRose Offline

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Posts: 3,170
Joined: Nov 2014

Machine: PR System One REMstar Auto 560 with A Flex
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10 For Her
Humidifier: REMStar heated humidifier with heated hose
CPAP Pressure: Auto Cpap 10-13 AFLEX 1
CPAP Software: SleepyHead EncoreBasic

Other Comments: Started CPAP Therapy October 23, 2014

Sex: Female
Location: Northeast Ohio, USA

Post: #7
RE: Dreamstation - CFlex or aflex in auto mode
(08-19-2016 07:10 PM)Ghost1958 Wrote:  
(08-19-2016 06:42 PM)OpalRose Wrote:  Ghost, thank you....I forgot it is flow based.

Over the course of almost 2 years, I have tried all three settings; 1,2 and 3.
And none of them dropped my pressure more than 2cm. The average for me is 1 to 1.5 drop.

I must be a shallow breather. Sad

Lol no Opal I doubt it. Flex would never show more than a 2 cm drop on a graph. It will never end the exhale with a drop more that 2cm below the high point of the previous inhale.
But it will at the very start of exhale give a 3 cm drop then come back up during the exhale to END at no more than 2
All dependent on flow of course.
With the Dreamwear mask im trying now, I run Aflex of 2. I can exhale without it ok but using it brings up my min vent and tidal volume.

If I set it on 3 its too much relief at the start of my exhale.


I think I will have to go back in time and look at my min. Vent and Tidal V. when using the different settings.

Just a recap....I never felt comfortable with a setting of 3. I have used 2 and now 1 with no problems.

OpalRose
08-19-2016 07:20 PM
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stephennic Offline

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Posts: 106
Joined: Jun 2016

Machine: Trialling a Dreamstation auto and fixed
Mask Type: Full face mask
Mask Make & Model: Philips Amara View
Humidifier: dreamstation
CPAP Pressure: 9 cm
CPAP Software: Not using software

Other Comments:

Sex: Male
Location: australia

Post: #8
RE: Dreamstation - CFlex or aflex in auto mode
Thanks for everyone ones feedback, when I tried on fixed mode on I had c flex on 2 and in the auto mode (aflex) on 1.
I keep trialing the various settings.
Looks like the dreamstation has 4 settings on CFlex and 4 settings on auto whereas the resmed 10 has only 4 settings on EPR, is that correct.
Cheers
Steve
(This post was last modified: 08-20-2016 07:40 AM by stephennic.)
08-20-2016 07:33 AM
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Ghost1958 Offline

Advisory Members

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: #9
RE: Dreamstation - CFlex or aflex in auto mode
Pretty sure dream station and resmed have 3 not four settings. Unless you count off as a setting.
08-20-2016 10:12 AM
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NorthernGuy Offline

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Posts: 49
Joined: May 2016

Machine: Philips Dreamstation Auto CPAP
Mask Type: Full face mask
Mask Make & Model: F&S Full face
Humidifier: Dreamstation integrated
CPAP Pressure: 8-14
CPAP Software: SleepyHead

Other Comments: New (couple months) APAP user.

Sex: Male
Location: New York State, USA

Post: #10
RE: Dreamstation - CFlex or aflex in auto mode
I can confirm, the DreamStation has only 3 settings of AFlex or CFlex+ depending on APAP or CPAP setting. The pressure relief was the same on all settings, it was the timing of the relief that differed.

How is your AHI with AFlex (or CFlex/CFlex+)? I turned it 'OFF' and (after 3 or 4 days to get used to no 'FLEX'), my AHI cut in half and has stayed there (now averages ~2.5). Before turning AFlex off, I had trouble averaging below AHI of 8-9. The AFlex setting did feel easier to breathe, but was hurting my AHI. It didn't matter which FLEX setting - they all hurt my AHI equally - only 'OFF' did the trick.

Just something to think about if you aren't reaching your AHI goals.

(NOT MEDICAL ADVICE - Just my experiences).
08-29-2016 07:20 PM
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