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Air leaks how much is ok?
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Lanco Online

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Posts: 147
Joined: Jun 2016

Machine: Resmed S9 Autoset, Apex XT Fit
Mask Type: Nasal mask
Mask Make & Model: Apex Wizard 210 & Profile Lite, Wizard 220 FFM, Nuance
Humidifier: Resmed H5i
CPAP Pressure: 8.5-17
CPAP Software: ResScan SleepyHead Other Software

Other Comments: Easy Compliance Software 3.2.1 and Easy Compliance Lite Software 3.4

Sex: Male
Location: Pensacola, Florida

Post: #1
Air leaks how much is ok?
After 16 years with a constant pressure cpap I just spent 3 nights using my new auto cpap. Not sure about all the stat's yet. Also, not sure if more stats are needed than what I am giving here. Here they are:

Average AHI: 1.78
Average Pressure: 9
Average 90th Percentile Pressure: 9.2
Average Leak: 42.9 lpm
Average Time with Large Leak: 15.6 minutes

I am using an Apex XT Auto cpap using Apex Easy Compliance software. My Apex Wizard 210 mask has a CO2 removal of about 30 Liters by itself at 12 cmH20. If that is factored into the 42.9 which I assume it is then there is only about 12.9 that must be mask leak or open mouth. I'm just guessing at this. If that is so then I should be in good shape. Anyone know for sure? Can't reach my supplier until Monday and a curious to know before then, at least some sort of trend.

Thanx
Scott
(This post was last modified: 07-15-2016 08:01 PM by Lanco.)
07-15-2016 07:55 PM
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pholynyk Offline

Advisory Members

Posts: 306
Joined: Mar 2015

Machine: ResMed AirSense 10 APAP
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: included
CPAP Pressure: 11-17
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Ontario, Canada

Post: #2
RE: Air leaks how much is ok?
Welcome to Apnea Board Forum. While your machine is not as well known as some, the clinician's manual for it is available by email. Click on "CPAP Setup Manuals" at the top of the page, then scroll down to near the bottom of Section 3 to find your machine, and below that the instructions for making an email request.

The setup manual not only gives setup instructions, but also often explains how various features work. For example, the ResMed machines report the excess leakage (assuming they know the mask's design leakage), whereas the Resperionics machines report the total leakage, assuming you know the mask's design leakage (which is usually reported in the User Manual for the mask). With luck, you can find out which leakage figure your machine reports - it looks like total leakage, to me.

18 minutes of 'large leakage' will not materially affect your treatment, but you can probably improve on it by fiddling with your straps - probably loosening them in eighth inch increments every other day or so.
07-15-2016 08:15 PM
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Sleepster Offline
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Posts: 4,989
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: #3
RE: Air leaks how much is ok?
I'm not familiar with the software you're using, but if it shows a graph of the leak rate you can look at that and tell for sure. You have an intentional leak rate of 30, so if the graph falls significantly below 30, you know you're looking at the unintentional leak rate.

Regardless, the important thing to look for is significant chunks of time where the leak rate is higher than it is at other times. These are time when you're leaking either at the mask seal or through your mouth. They will ruin a night's sleep.

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.
07-15-2016 08:18 PM
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trish6hundred Offline

Advisory Members

Posts: 6,430
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #4
RE: Air leaks how much is ok?
Hi Lanco,
WELCOME! to the forum.!
Good luck to you with your CPAP therapy and hang in there for more responses to your post.

trish6hundred
07-15-2016 09:50 PM
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PaytonA Offline
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Monitors

Posts: 3,005
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: #5
RE: Air leaks how much is ok?
I do not know. Since the machine is reporting 15.6 minutes of large leaks and an average leak of 42.9 lpm, it looks to me like the machine is reporting total leaks. If you are using the CPAP for 8 hours, 15.6 minutes of large leaks (probably over 54 lpm) is not terrible. It would be nice to know whether that was all in one period or if it was split up. All in one period would be the worst case and would probably indicate a mouth leak.

Best Regards,

PaytonA
07-15-2016 10:07 PM
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Lanco Online

Advisory Members

Posts: 147
Joined: Jun 2016

Machine: Resmed S9 Autoset, Apex XT Fit
Mask Type: Nasal mask
Mask Make & Model: Apex Wizard 210 & Profile Lite, Wizard 220 FFM, Nuance
Humidifier: Resmed H5i
CPAP Pressure: 8.5-17
CPAP Software: ResScan SleepyHead Other Software

Other Comments: Easy Compliance Software 3.2.1 and Easy Compliance Lite Software 3.4

Sex: Male
Location: Pensacola, Florida

Post: #6
RE: Air leaks how much is ok?
Thanks for input everyone. I got the software and manuals through this site.

This represents 3 days. On the 3rd day I set the clock properly. Also, took awhile to find a format that made a screenshot less than 200kb. Any tips on that?

Here are a couple pics of graphs that someone may better understand what my situation is.
.bmp  detaila.bmp (Size: 175.84 KB / Downloads: 57)

Also, you'll see interruptions in my sleep cycle. My wife is disabled and I need to get up a few times per night.
(This post was last modified: 07-16-2016 01:40 AM by Lanco.)
07-16-2016 01:28 AM
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Sleepster Offline
Wiki Editor
Moderators

Posts: 4,989
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: #7
RE: Air leaks how much is ok?
(07-16-2016 01:28 AM)Lanco Wrote:  Also, took awhile to find a format that made a screenshot less than 200kb. Any tips on that?

png takes up far less space than the bmp format you are using.

See how your leak rate goes up and down? That indicates the leak rate varies. It should be relatively stable. You either have a very poor-fitting mask or your mouth is falling open and the pressurized CPAP air is escaping. This means the CPAP machine can't maintain the pressure splint needed to keep your airway open.

You can first try a chin strap. You can also make an appointment with your equipment provider for a mask fitting. If the chin strap doesn't fix the problem you will need a full face mask instead of a nasal mask.

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.
07-16-2016 05:35 PM
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Lanco Online

Advisory Members

Posts: 147
Joined: Jun 2016

Machine: Resmed S9 Autoset, Apex XT Fit
Mask Type: Nasal mask
Mask Make & Model: Apex Wizard 210 & Profile Lite, Wizard 220 FFM, Nuance
Humidifier: Resmed H5i
CPAP Pressure: 8.5-17
CPAP Software: ResScan SleepyHead Other Software

Other Comments: Easy Compliance Software 3.2.1 and Easy Compliance Lite Software 3.4

Sex: Male
Location: Pensacola, Florida

Post: #8
RE: Air leaks how much is ok?
Thank you Sleepster. It's always good to get more than one opinion. I am going to contact my supplier in a couple days. See what he has to say. My guess goes along with what you said. Tried a chin strap about 16 years ago probably for a day or two and that was the end of that. Still have it although the rubber has decomposed a bit. It might be good enough to test it out again though. And of course, I'd just as soon stick with a nasal mask. Should know shortly.

Because of no insurance I am doing this through an online supplier. If I need a new mask I guess it's hit or miss with lost money unless they let you try them and return them if they don't work but I hardly see how they can do that.
(This post was last modified: 07-16-2016 06:22 PM by Lanco.)
07-16-2016 06:20 PM
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PaytonA Offline
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Monitors

Posts: 3,005
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: #9
RE: Air leaks how much is ok?
(07-16-2016 06:20 PM)Lanco Wrote:  Because of no insurance I am doing this through an online supplier. If I need a new mask I guess it's hit or miss with lost money unless they let you try them and return them if they don't work but I hardly see how they can do that.

Some of them allow you to trade masks in if they are not working for you. I do not remember exactly how it works but they can 'splain it to you

Best Regards,

PaytonA
07-16-2016 08:42 PM
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Ockrocket Offline

Advisory Members

Posts: 164
Joined: Jul 2016

Machine: Philips Dreamstation.
Mask Type: Nasal mask
Mask Make & Model: F&P Eson.
Humidifier: Philips Dreamstation.
CPAP Pressure: 7.0
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Windsor (near enough) NSW, Au.

Post: #10
RE: Air leaks how much is ok?
(07-16-2016 01:28 AM)Lanco Wrote:  Thanks for input everyone. I got the software and manuals through this site.

This represents 3 days. On the 3rd day I set the clock properly. Also, took awhile to find a format that made a screenshot less than 200kb. Any tips on that?

Here are a couple pics of graphs that someone may better understand what my situation is.

Also, you'll see interruptions in my sleep cycle. My wife is disabled and I need to get up a few times per night.

Easier just to upload your screenshots to somewhere like Photobucket or Smugmug and then link the photos from there.

That is what I ended up doing with mine, the photo kb limit for posting directly here is too restrictive to be useful.
07-16-2016 11:11 PM
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