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SleepyHead Data
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312capri Offline

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Posts: 38
Joined: Jun 2012

Machine: Respironics BiPAP Pro
Mask Type: Full face mask
Mask Make & Model: ResMed Quattro FX
Humidifier: Respironics System One Heated Humidifier
CPAP Pressure: 18/14
CPAP Software: SleepyHead

Other Comments: Quattro FX

Sex: Male
Location: New Mexico

Post: #1
SleepyHead Data
I am using the Sleepy Head software to review the data from my Phillips Respironics DS650S System One. How does this software information compare with the Respironics factory software information when calculating AHI numbers and more specifically mask leakage information? I am doing a comparison between the medium size Quattro FX and the large size mask. My partner tells me with medium mask it sounds like she's sleeping with a vacuum cleaner in our bed!

Thanks
06-12-2012 08:01 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: #2
RE: SleepyHead Data
I don,t use either but Respironics report total leak rates which is intentional leak plus unintentional leak
Unintentional leak = total leak minus intentional leak
Find out the rate of intentional leak of Quattro FX at your pressure and do the sums .
http://www.resmed.com/assets/documents/s...sa_eng.pdf
http://www.healthcare.philips.com/asset....111027.pdf
06-12-2012 08:43 PM
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JJJ Offline

Advisory Members

Posts: 751
Joined: Apr 2012

Machine: ResMed S9 Autoset
Mask Type: Nasal mask
Mask Make & Model: Most recent: Wisp, Pilairo, Mirage Vista
Humidifier: ResMed S9 Autoset
CPAP Pressure: 17-20
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: USA 97217

Post: #3
RE: SleepyHead Data
(06-12-2012 08:43 PM)zonk Wrote:  I don,t use either but Respironics report total leak rates which is intentional leak plus unintentional leak
Unintentional leak = total leak minus intentional leak
Find out the rate of intentional leak of Quattro FX at your pressure and do the sums .
http://www.resmed.com/assets/documents/s...sa_eng.pdf
http://www.healthcare.philips.com/asset....111027.pdf

I notice that the two PDF files in those links list only the data for masks made by the machine manunfacturer. What if I'm using a ResMed mask with a Respironics machine?

It would be nice if there was some standardized index that all mask makers and machine manufacturers would use. My Respironics machine has X-settings, and the ResMed machines apparently use whole words "Nasal," "Pillow," etc. If I buy a mask it should say "set your machine at (e.g.) "3" for this mask, and then all machines should use the same numbering system. Oh wait ... we can't do that, because then people could figure out what setting to use. Never mind. [cynic.mode.off] SHa_biggrin5
06-12-2012 11:09 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: #4
RE: SleepyHead Data
(06-12-2012 11:09 PM)JJJ Wrote:  What if I'm using a ResMed mask with a Respironics machine?
For non-Respironics masks the resistance setting is zero but wonder if it makes any difference.
I suppose Respironics wants you to buy their own masks but the resistance setting got nothing to do with leak rate unlike the S9 mask selection which the S9 works out mask leak (unintentional leak) and report 95% percentile leak on the screen and draw the line of acceptable at 24 l/min.
06-13-2012 01:06 AM
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Sleepster Offline
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Moderators

Posts: 4,991
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #5
RE: SleepyHead Data
(06-12-2012 08:01 PM)312capri Wrote:  I am using the Sleepy Head software to review the data from my Phillips Respironics DS650S System One. How does this software information compare with the Respironics factory software information when calculating AHI numbers and more specifically mask leakage information?

Respironics uses a line of software products called Encore. I've tried them and don't like them. I prefer SleepyHead. The AHI calculated by SleepyHead agrees very nicely with the AHI calculated by Respironics. Your machine will show on its screen the 7-day and 30-day AHI averages, and like I said, they agree nicely with SleepyHead's averages. (You do have to wait until afternoon until the previous night's data is used to calculate the averages.)

When it comes to leak rates, SleepyHead is not so good with your BiPAP. It will reliably report only the total leak rate. You then have to look up the intentional leak rate for your mask, at your pressure, and subtract it from the total leak rate, to get the numger you need -- the unintentional leak rate. The problem with the BiPAP is that you are operating it at two different pressures. All this is not as bad as it sounds, though, because leak rates don't need to be determined that precisely. My mask's intentional leak rate at my pressure is about 30 L/min. I therefore try to keep my total leak rate as clse to 30 L/min as I can. If I keep it under 45 L/min I'm happy, as the machine can still deliver effective therapy up to 70 L/min.

Quote:I am doing a comparison between the medium size Quattro FX and the large size mask. My partner tells me with medium mask it sounds like she's sleeping with a vacuum cleaner in our bed!

My wife says it's like sleeping with Darth Vader. But, since I switched to the ComfortLite2 I haven't heard her complain. I've noticed its much quiter, too. A lot of the noise comes from the exhaust port, especially if the jet of air hits the pillow or a blanket. You'll just have to experiment with different masks like you're doing. A lot of it depends on your sleeping position.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
06-13-2012 08:39 PM
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Sleepster Offline
Wiki Editor
Moderators

Posts: 4,991
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #6
RE: SleepyHead Data
(06-12-2012 11:09 PM)JJJ Wrote:  It would be nice if there was some standardized index that all mask makers and machine manufacturers would use. My Respironics machine has X-settings, and the ResMed machines apparently use whole words "Nasal," "Pillow," etc.

Philips Respironics System One (PRS1) machines have resistance settings of 0. X1, X2, X3, and X4. I think that these have nothing to do with intentional leak rates. When you switch settings I think it adjusts the pressure. When you switch masks, from say a nasal mask to a small pillow, you increase the resistance setting, which I think decreases the pressure. You need a smaller pressure at the machine end of the hose because the pressure at mask end of the hose has been raised by the pressence of the smaller-outlet nasal pillows. The same would be true if you switched from a medium pillow to a small pillow.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
06-13-2012 08:47 PM
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ldameron Offline

Members

Posts: 5
Joined: Oct 2013

Machine: Phillips restart auto a-flex
Mask Type: Full face mask
Mask Make & Model: Quattro fx
Humidifier: Phillips sys one
CPAP Pressure: 12
CPAP Software: Not using software

Other Comments:

Sex: Male
Location: Callao va

Post: #7
RE: SleepyHead Data
i am using a prs1 machine, using sleepyhead, mask is quatto fx. i am getting a 95% total leaks 36.00. is this high? ahi is 3.86? is this still high, presssure is 12.
thanks
10-28-2013 09:29 AM
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robysue Online
Wiki Editor
Advisory Members

Posts: 1,228
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: #8
RE: SleepyHead Data
(10-28-2013 09:29 AM)ldameron Wrote:  i am using a prs1 machine, using sleepyhead, mask is quatto fx. i am getting a 95% total leaks 36.00. is this high? ahi is 3.86? is this still high, presssure is 12.
thanks
Your AHI is acceptable since it is below 5.0.

The mask you are using is a FFM and most FFM have an expected leak rate of around 35-40 L/min at a pressure of 12 cm. Hence your 95% total leak rate at 36 L/min is quite acceptable. (If you looked at your data in Encore, it is unlikely that you would have any leaks of significant length scored as an official Large Leak.)

With these numbers, the important question is: How do you feel?
10-28-2013 02:40 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: #9
RE: SleepyHead Data
(10-28-2013 09:29 AM)ldameron Wrote:  i am using a prs1 machine, using sleepyhead, mask is quatto fx. i am getting a 95% total leaks 36.00. is this high? ahi is 3.86? is this still high, presssure is 12.
thanks
Intentional leak (vents leak) for Quattro FX at pressure 12 = 34 L/m
Unintentional leak (mask and mouth leaks) = total leak - intentional leak = 36 - 23 = 2 L/m ... congrats on job well done.

AHI below 5 considered adequate but I would not worry about the number at this stage, getting leak under control is number one priority which already been accomplished.
Next ... how do you feel, for most of us including myself ... feeling better is not instant but gradually over period of time
10-28-2013 03:01 PM
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