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New user confused on leak data
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mattmill Offline

Members

Posts: 19
Joined: May 2016

Machine: DreamStation Auto
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10
Humidifier: DreamStation
CPAP Pressure: 6-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Brunswick, Maine

Post: #1
New user confused on leak data
I've been using my Dreamstation Auto for about 2 weeks now and still confused on leaking. I use a P10 and keep bouncing between large and medium size but settling on medium for now. I find that as I move around, I am a stomach sleeper, the large gets dislodged and i feel the flow on my eyelashes (a strange sensation to wake to). But the Medium is rubbing above my upper lip/nose between nostrils. The respiratory therapist only fitted me with the large and included the medium "as a backup" She downloaded my data and said all looks good with no issues. I go back to the Doc 6/15.

I've attached a few days from last week from SleepyHead:
May 12 I used the LARGE
May 13 I used the MEDIUM.

Thanks!
matt
I guess I am not allowed to post images as a new member Sad (add the http://)

i.imgur.com/993hEn5.png
i.imgur.com/azIFpzL.png
i.imgur.com/K6SJGTI.png
05-16-2016 11:54 AM
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robysue Online
Wiki Editor
Advisory Members

Posts: 1,236
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: #2
RE: New user confused on leak data
Your leak data looks fine to me. On the two nights of data shown, the unintentional leak rate (bottom leak curve) is usually well below 10 L/min and the machine can easily compensate for that much leak. Yes, on one night there appears to be a borderline Large Leak late in the night, but it lasts for less than 30 minutes, and even at its worst, it's barely above 24 L/min.

Your AHI data, however, remains a wee bit on the high side: The goal is to get the AHI to stay below 5 consistently. The problem seems to be mainly obstuctive---i.e. OAs and Hs. Hence it's possible that your min pressure setting is too low. That makes it harder for the machine to quickly increase the pressure up to where you need it to be before the obstructive events start to happen.

Since your 90% pressure level is pretty consistently around 11-12 cm, you probably need a min pressure setting of at least 8 cm (and maybe 9) instead of the current 6cm setting that you are currently using. Bumping up the min pressure by 2 or 3 cm at one time, however, can be difficult to adjust to. I would suggest that you consider first raising the min pressure setting to 7cm and leave it there a week or two. Then increase the min pressure again to 8cm.

Questions about SleepyHead?
See my Guide to SleepyHead
05-16-2016 01:21 PM
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mattmill Offline

Members

Posts: 19
Joined: May 2016

Machine: DreamStation Auto
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10
Humidifier: DreamStation
CPAP Pressure: 6-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Brunswick, Maine

Post: #3
RE: New user confused on leak data
Is changing my minimum pressure something I should just do, or have the respiratory therapist or doc do?
05-16-2016 01:25 PM
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robysue Online
Wiki Editor
Advisory Members

Posts: 1,236
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: #4
RE: New user confused on leak data
(05-16-2016 01:25 PM)mattmill Wrote:  Is changing my minimum pressure something I should just do, or have the respiratory therapist or doc do?
Technically speaking the doc is the one who has to authorize a change in the script before the RT can change the min pressure settings.

Many folks around here, however, are comfortable enough to make minor changes in their pressure settings without involving the doctor. It's not illegal to do so. But the doc or RT may give you a stern wet noodle whipping if they notice that you did it on your own.

When I was a newbie, I did make sure to get the OK from the PA in my sleep doc's office each time I wanted to make a small pressure change. My current sleep doc knows that I have a lot of knowledge about my own condition and that I thoroughly understand my machine and its settings. He's given me the green light to experiment as I want since he knows that future titration studies are unlikely to actually reveal anything new about my multiple sleep problems. And hence both he and I believe that I'm more than capable of finding the things that work best for me in terms of treating both my OSA and my other sleep problems.

Since you are still new to PAPing, it's important to ask: Does your doc know what your daily AHI numbers look like? If not, you should definitely let him/her know that the AHI is often in the 6-8 range and that you would like to have the min pressure increased to see if that helps. Most likely he'll be happy to authorize the change in settings.

Questions about SleepyHead?
See my Guide to SleepyHead
05-16-2016 02:53 PM
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trish6hundred Offline

Advisory Members

Posts: 6,449
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: #5
RE: New user confused on leak data
Hi mattmill,
WELCOME! to the forum.!

You can get the clinicians manual for your machine here, I think the link is at the top of this page.
Hang in there fore more responses to your post and much success to you with your CPAP therapy.

trish6hundred
05-16-2016 02:56 PM
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mattmill Offline

Members

Posts: 19
Joined: May 2016

Machine: DreamStation Auto
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10
Humidifier: DreamStation
CPAP Pressure: 6-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Brunswick, Maine

Post: #6
RE: New user confused on leak data
(05-16-2016 02:56 PM)trish6hundred Wrote:  Hi mattmill,
WELCOME! to the forum.!

You can get the clinicians manual for your machine here, I think the link is at the top of this page.
Hang in there fore more responses to your post and much success to you with your CPAP therapy.

Thank you, I did get it as the RT had almost everything turned off. I now have AHI on.
(05-16-2016 02:53 PM)robysue Wrote:  
(05-16-2016 01:25 PM)mattmill Wrote:  Is changing my minimum pressure something I should just do, or have the respiratory therapist or doc do?
Technically speaking the doc is the one who has to authorize a change in the script before the RT can change the min pressure settings.

Many folks around here, however, are comfortable enough to make minor changes in their pressure settings without involving the doctor. It's not illegal to do so. But the doc or RT may give you a stern wet noodle whipping if they notice that you did it on your own.

When I was a newbie, I did make sure to get the OK from the PA in my sleep doc's office each time I wanted to make a small pressure change. My current sleep doc knows that I have a lot of knowledge about my own condition and that I thoroughly understand my machine and its settings. He's given me the green light to experiment as I want since he knows that future titration studies are unlikely to actually reveal anything new about my multiple sleep problems. And hence both he and I believe that I'm more than capable of finding the things that work best for me in terms of treating both my OSA and my other sleep problems.

Since you are still new to PAPing, it's important to ask: Does your doc know what your daily AHI numbers look like? If not, you should definitely let him/her know that the AHI is often in the 6-8 range and that you would like to have the min pressure increased to see if that helps. Most likely he'll be happy to authorize the change in settings.

I will ask the office this week since I won't see them for another month.
(This post was last modified: 05-16-2016 03:38 PM by mattmill.)
05-16-2016 03:38 PM
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dawoodsman Offline

Preferred Members

Posts: 23
Joined: Mar 2016

Machine: resmed airsense 10 autoset
Mask Type: Full face mask
Mask Make & Model: WillletuknowifIeverfindonethatworks!
Humidifier: Resmed--attached
CPAP Pressure: 5-16
CPAP Software: Not using software

Other Comments:

Sex: Male
Location: Minnesota

Post: #7
RE: New user confused on leak data
I might be wrong, but are you asking why the doc is saying there is no leak problem when the data says there is, or perhaps you KNOW there is as you notice it yourself or it wakes you up?

What I understand about these machines is they average out values and do not always report temporary leaks. I discovered a fairly major leak issue that was actually waking me up, yet the doc said nope no problem. It was big enough to kick off the fit test sensor to reflect a leak, yet the docs thought there was no real issue.
05-18-2016 12:17 AM
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OpalRose Offline

Monitors

Posts: 3,181
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: #8
RE: New user confused on leak data
Well, the doctors don't have to sleep with it. Smile
Even a small mask leak may wake you and disturb sleep.

The machines will report large leaks and that's when your readings may not be accurate.

OpalRose
05-18-2016 05:58 AM
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cate1898 Offline

Advisory Members

Posts: 784
Joined: Aug 2015

Machine: PR System One 560BT Auto
Mask Type: Nasal pillows
Mask Make & Model: P10's/backup-DreamWear
Humidifier: PR attached
CPAP Pressure: 8.5 - 13. A-Flex 3
CPAP Software: SleepyHead

Other Comments: Began CPAP Therapy Sept. 11, 2015. Hx Hypertension, Post Graves Disease, chronic migraines.

Sex: Female
Location: Southern Ontario//SW Florida

Post: #9
RE: New user confused on leak data
Welcome to the forum mattmill! Sounds like you are getting some good feedback from other experienced users that will eventually lead you to greater success. Glad you found us here and best of luck!

APNEABOARD - A great place to be if you're a hosehead!! Rolleyes

-------------------------------------------------------------------------------------------------
EVERY ACCOMPLISHMENT BEGINS WITH THE DECISION TO TRY!
05-18-2016 07:17 AM
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mattmill Offline

Members

Posts: 19
Joined: May 2016

Machine: DreamStation Auto
Mask Type: Nasal pillows
Mask Make & Model: AirFit P10
Humidifier: DreamStation
CPAP Pressure: 6-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Brunswick, Maine

Post: #10
RE: New user confused on leak data
(05-18-2016 05:58 AM)OpalRose Wrote:  Well, the doctors don't have to sleep with it. Smile
Even a small mask leak may wake you and disturb sleep.

The machines will report large leaks and that's when your readings may not be accurate.

I think it is the smaller leaks that I am feeling/being woken up by that I am wondering about. I feel like there are 2-3 times a night I wake to a blast of air across my face and the whoosh. It's easily fixable by slipping the pillow to the left or right depending on which side I am lying on at the time.

Last night was good in the sense I didn't wake at all, that I remember, but I didn't have time to look at the data before leaving for work. I'll be curious if I am fixing them in my sleep or they are not happening.
05-18-2016 07:34 AM
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