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Interesting Discovery
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Lukie Offline

Preferred Members-2

Posts: 352
Joined: Nov 2013

Machine: Resmed S9 Auto
Mask Type: Full face mask
Mask Make & Model: Airfit F 10
Humidifier: H I heated tubing resmed
CPAP Pressure: 6-16
CPAP Software: ResScan SleepyHead

Other Comments: Masks: Simplus, Air, Quattro fx, Nano, Eson, Swift fx and Activ

Sex: Female
Location: Vermont

Post: #1
Interesting Discovery
I have ResMed Quattro Air, Swift fx Nano nasal mask as well as the nasal pillows. When I lie down with my oximeter on my finger awake I notice that my Oxygen level is lower using the full face Quattro Air rather than the nasal mask. When I wear the nasal mask my O2 levels jump up from 95 to 98%. My problem with it was mouth breathing but I bought a PapCap chin strap and it seems to work well. We shall see as I am returning to the nasal mask tonight as I was fighting leaks last night with the Quattro Air even with a liner and chin strap. The nasal mask leaks less and seems to deliver more O2 so lets see what happens.
12-14-2013 09:43 PM
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PaulaO2 Offline
Wiki Editor
Moderators

Posts: 8,067
Joined: Feb 2012

Machine: S9 Autoset
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: H5i
CPAP Pressure: 14-20
CPAP Software: SleepyHead

Other Comments: Ehlers-Danlos Syndrome, Hypermobility Type; chronic sarcasm

Sex: Undisclosed
Location: western NC, USA

Post: #2
RE: Interesting Discovery
You aren't getting more oxygen delivery, but you are perhaps having less apnea or hypopnea events which results in a higher oxygen level.

PaulaO2
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12-15-2013 12:15 AM
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Lukie Offline

Preferred Members-2

Posts: 352
Joined: Nov 2013

Machine: Resmed S9 Auto
Mask Type: Full face mask
Mask Make & Model: Airfit F 10
Humidifier: H I heated tubing resmed
CPAP Pressure: 6-16
CPAP Software: ResScan SleepyHead

Other Comments: Masks: Simplus, Air, Quattro fx, Nano, Eson, Swift fx and Activ

Sex: Female
Location: Vermont

Post: #3
RE: Interesting Discovery
(12-15-2013 12:15 AM)PaulaO2 Wrote:  You aren't getting more oxygen delivery, but you are perhaps having less apnea or hypopnea events which results in a higher oxygen level.

No, because I'm checking these levels while I'm awake.
12-15-2013 08:19 AM
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jgjones1972 Offline

Preferred Members-2

Posts: 516
Joined: Nov 2012

Machine: ResMed S9 AutoSet
Mask Type: Full face mask
Mask Make & Model: ResMed Quattro FX
Humidifier: ResMed H5i
CPAP Pressure: 18 - 20
CPAP Software: ResScan SleepyHead

Other Comments: CMS50I PulseOx

Sex: Male
Location: Ohio - USA

Post: #4
RE: Interesting Discovery
Are you changing the mask type setting when you change between mask types?

Full Face Masks have a higher intentional leak rate (mask vent) than nasal interface, so if you aren't changing the mask type setting so the machine can compensate, then you might be getting a higher therapy pressure delivered via the nasal interface. Higher therapy pressure could be triggering more vigorous respiration.

That's the only thing I can think of.

Dont-know
12-15-2013 08:34 AM
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Lukie Offline

Preferred Members-2

Posts: 352
Joined: Nov 2013

Machine: Resmed S9 Auto
Mask Type: Full face mask
Mask Make & Model: Airfit F 10
Humidifier: H I heated tubing resmed
CPAP Pressure: 6-16
CPAP Software: ResScan SleepyHead

Other Comments: Masks: Simplus, Air, Quattro fx, Nano, Eson, Swift fx and Activ

Sex: Female
Location: Vermont

Post: #5
RE: Interesting Discovery
Yes. I do change mask settings. The Nasal Nano states to use the pillows setting for the nasal mask. I guess last night was just one of those princess and the pea nights. Started out with Nano Nasal and woke up with a frowny face and rainout because I had not let the hose dry well enough after washing it. I switched to Quattro Air, dialed back the humidity and fought leaks and farts for a while and then switched to Quattro FX which was a For Her medium which is really too small for me. Then I got exasperated and switched to the pillows. I woke up from the pillows with mouth puffs and changed my chin strap to my PapCap head restraint
and finally got to sleep again. Some nights are just destined to be hellish. We had half a foot of snow as well. But I look at it this way: a bad night with the equipment is better than a bad night waking up and gasping for air without equipment.
12-15-2013 08:50 AM
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DocWils Offline

Members-b

Posts: 1,271
Joined: Jul 2012

Machine: Philips Remstar series 60
Mask Type: Nasal pillows
Mask Make & Model: ResMed P10
Humidifier: same as machine
CPAP Pressure: 5-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Switzerland

Post: #6
RE: Interesting Discovery
Actually, there are easier explanations for the phenomenon. Consider how you breath when breathing through a nasal devices as opposed to mouth breathing - the likelihood that you would take deeper breaths is high, and that would increase your oxygen load. Except when under exertion, we tend to take slightly shallower breaths through our mouths when supine.
12-15-2013 11:32 AM
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