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Mask leak
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pdbabb66 Offline

Preferred Members

Posts: 34
Joined: May 2015

Machine: Resmed S9 Autoset
Mask Type: Full face mask
Mask Make & Model: Resmed Quattro
Humidifier: H5i
CPAP Pressure: 9-20
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Jenks, Oklahoma

Post: #1
Mask leak
Good afternoon!

I recently upped my lower pressure to 8. While my AHI numbers have gone down, I'm getting significantly more mask leakage. Is it possible that my mask is too tight? (I have marks on my face for about 3 hours in the morning)

Thank you in advance!

Paul
08-17-2015 01:19 PM
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Crimson Nape Offline

Monitors

Posts: 1,327
Joined: Oct 2014

Machine: ResMed S9 Autoset
Mask Type: Other
Mask Make & Model: P-10 / F&P Simplus / DreamWear
Humidifier: H5i w/Climateline
CPAP Pressure: 8 - EPR 3
CPAP Software: SleepyHead

Other Comments: CMS-50F & 50IW

Sex: Male
Location: Georgia

Post: #2
RE: Mask leak
Yes, Try loosening the straps to be very loose. Lay down and turn on the machine. Start tightening the lower straps (slowly) until the leakage stops. At this point tighten the top straps just to maintain mask placement.

I hope this proves useful.

Statistics prove that people who have more birthdays live longer.
08-17-2015 01:30 PM
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PaytonA Online
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Monitors

Posts: 3,009
Joined: Dec 2013

Machine: ResMed S9 VPAP Auto
Mask Type: Full face mask
Mask Make & Model: Resmed Mirage Quattro
Humidifier: H5i(distilled-top up)
CPAP Pressure: VAuto MinE14.0 MaxI 20.6 PS4.0
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Orange County,California

Post: #3
RE: Mask leak
When you adjust the straps use the mask fit feature on the machine or use the CPAP mode with no ramp and no EPR. Set the pressure in CPAP mode to 4 cm higher than your normal 95% pressure.

If you adjust the straps in Auto mode by just turning the machine on and adjusting the straps you will adjust them correctly for your lowest pressure. Then when the machine increases the pressure to block OAs, the mask will most likely leak.

Best Regards,

PaytonA
08-17-2015 02:53 PM
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AshSF Online

Advisory Members

Posts: 356
Joined: Oct 2014

Machine: PRS1 D560TS
Mask Type: Nasal pillows
Mask Make & Model: ResMed P10, Bkup: Airfit F10 & Quattro Air
Humidifier: PRS1 60 series with Heated Tube
CPAP Pressure: 8 - 8 w/ Aflex 3
CPAP Software: SleepyHead

Other Comments: Using APAP mode with fixed pressure

Sex: Male
Location:

Post: #4
RE: Mask leak
(08-17-2015 02:53 PM)PaytonA Wrote:  When you adjust the straps use the mask fit feature on the machine or use the CPAP mode with no ramp and no EPR. Set the pressure in CPAP mode to 4 cm higher than your normal 95% pressure.

If you adjust the straps in Auto mode by just turning the machine on and adjusting the straps you will adjust them correctly for your lowest pressure. Then when the machine increases the pressure to block OAs, the mask will most likely leak.

Best Regards,

PaytonA

4 cm above 95% pressure???
08-17-2015 04:00 PM
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zonk Offline

Advisory Members

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: #5
RE: Mask leak
OP used S9 AutoSet

Earlier models (like mine)
The mask-fit feature delivers 10 cm H2O or set CPAP pressure (whichever is greater) for a three-minute period, prior to starting treatment.
During this time, the mask can be adjusted to minimize leaks.

Later models
In the S9 AutoSet, the mask-fit pressure is based on the 95th percentile of the previous session or 10 cm H2O whichever is greater.

In the S9 Elite, the mask-fit feature delivers 10 cm H2O or set CPAP pressure (whichever is greater) for a three-minute period, prior to starting treatment.
08-17-2015 04:10 PM
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PaytonA Online
Wiki Editor
Monitors

Posts: 3,009
Joined: Dec 2013

Machine: ResMed S9 VPAP Auto
Mask Type: Full face mask
Mask Make & Model: Resmed Mirage Quattro
Humidifier: H5i(distilled-top up)
CPAP Pressure: VAuto MinE14.0 MaxI 20.6 PS4.0
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Orange County,California

Post: #6
RE: Mask leak
(08-17-2015 04:00 PM)AshSF Wrote:  4 cm above 95% pressure???

A little over engineered to make up for possible inadvertent selection of a lower than normal 95% pressure. Maybe a little too much.
08-18-2015 12:31 PM
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pdbabb66 Offline

Preferred Members

Posts: 34
Joined: May 2015

Machine: Resmed S9 Autoset
Mask Type: Full face mask
Mask Make & Model: Resmed Quattro
Humidifier: H5i
CPAP Pressure: 9-20
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Jenks, Oklahoma

Post: #7
RE: Mask leak
(08-18-2015 12:31 PM)PaytonA Wrote:  
(08-17-2015 04:00 PM)AshSF Wrote:  4 cm above 95% pressure???

A little over engineered to make up for possible inadvertent selection of a lower than normal 95% pressure. Maybe a little too much.

I'll give these suggestions a try tonight. Last night my mask leakage was 0, but my AHI numbers went up. SMDH!!
08-18-2015 02:01 PM
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