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Machine or operator adjustment?
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PaytonA Online
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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

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Sex: Male
Location: Orange County,California

Post: #41
RE: Machine or operator adjustment?
(02-01-2014 10:58 PM)vsheline Wrote:  
(02-01-2014 01:21 PM)PaytonA Wrote:  Next we come to the chicken or the egg discussion. Do the higher leakage clusters cause the events or do the events cause the higher leakage clusters?

Flow Limitation and/or Snore cause pressure to be increased, which tends to increase leaks.

Also, events tend to cause arousals which can cause movement, causing increased or fluctuating leaks.

I guess that makes you are an egg man. I am a chicken most of the time myself. Big Grin

It may be a bad joke but it is all I've got.

PaytonA
02-02-2014 12:16 PM
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zonk Offline

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Machine: A10 AutoSet
Mask Type: Nasal mask
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CPAP Pressure: 9/13
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Sex: Male
Location: Australia

Post: #42
RE: Machine or operator adjustment?
(02-02-2014 01:04 AM)comatose Wrote:  zonk said, "Unknown Apnea displayed in yellow color symbol"

When I used the nasal mask they were all yellow, open gob!
Yes, whenever unknown apnea scored does indicate high leak rate and the machine cannot tell whether apnea is obstructive or central

Some people with positional apnea, apnea is worse in supine position than sleeping on the side. Tennis ball placed inside a sock sewn on the back of pyjama top (or similar) helps avoiding turning on their backs which most of apnea occurs in this position and during REM sleep which I suspect that whats is happening during those clusters of obstructive events and than pressure dip right down to the minimum. The sleep study will show sleep stages and O2 levels during the night
(This post was last modified: 02-02-2014 03:25 PM by zonk.)
02-02-2014 03:23 PM
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vsheline Offline

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Joined: Jul 2012

Machine: S9 VPAP Adapt (USA Model# 36007, not better 36037 or 36067)
Mask Type: Full face mask
Mask Make & Model: F10 or SimPlus w/ 2Liners. MirageQuatro & Gecko gel pad
Humidifier: H5i
CPAP Pressure: 15 EPAP, PS 5-10
CPAP Software: ResScan

Other Comments: Marfan Syndrome, chronic bradycardia, occasional Cheyne-Stokes Respiration

Sex: Male
Location: California, USA

Post: #43
RE: Machine or operator adjustment?
I just added the following edit to my earlier post.

START EDIT:
Correction: apparently the machine continues to record hypopnea and apnea events even during periods of extremely high Leak. I found in my data on nights having exceptionally high intermittent Leak that my ResScan detailed plots show hypopneas and apneas reported for times when the Leak was extremely high. In one case the reported hypopnea was at the very beginning of a 9 minute period when the Leak was a little over 100 Liters/minute. Before, during and after the reported hypopnea my SpO2 was rock steady at 94%. The "hypopnea" "ended" at a time when the Leak happened to dip for several seconds slightly below 100 L/m. Based on the SpO2, I think there was no real hypopnea, and the machine had been fooled. Most of the reported "Apneas" also tend to occur at the very start of a period when the Leak had just increased well above 75 L/m.
END EDIT

Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment. The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies - not on matters concerning treatment for Sleep Apnea. I think it is now too late to change the name of the group but I think Voting Member group would perhaps have been a more descriptive name for the group.
(This post was last modified: 02-02-2014 06:20 PM by vsheline.)
02-02-2014 05:45 PM
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comatose Offline

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Machine: ResMed s9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit P10
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CPAP Pressure: 9.8-12.6
CPAP Software: ResScan SleepyHead

Other Comments: Now I am happy coz only some days I'm crappy, thanks to my c pappy :)

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Location: 1 hr from Melbourne, Australia

Post: #44
RE: Machine or operator adjustment?
(02-02-2014 03:23 PM)zonk Wrote:  
(02-02-2014 01:04 AM)comatose Wrote:  zonk said, "Unknown Apnea displayed in yellow color symbol"

When I used the nasal mask they were all yellow, open gob!
Yes, whenever unknown apnea scored does indicate high leak rate and the machine cannot tell whether apnea is obstructive or central

Some people with positional apnea, apnea is worse in supine position than sleeping on the side. Tennis ball placed inside a sock sewn on the back of pyjama top (or similar) helps avoiding turning on their backs which most of apnea occurs in this position and during REM sleep which I suspect that whats is happening during those clusters of obstructive events and than pressure dip right down to the minimum. The sleep study will show sleep stages and O2 levels during the night

zonk, I am not sure about the tennis ball, my back has worked hard and is a little worse for wear, but you are right in thinking I am a back sleeper. Tiz something else to contemplate tho.......

AHI last night went up to 13.

This is a fairly good example of the yellow bars, bad mask leaks, snoring.
The machine was set to CPAP 10 cmH2O, AHI was 30.5


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02-03-2014 01:10 AM
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me50 Offline

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CPAP Pressure: 18/8
CPAP Software: SleepyHead

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Sex: Undisclosed
Location: USA

Post: #45
RE: Machine or operator adjustment?
(02-01-2014 02:48 PM)Peter_C Wrote:  Just throwing my hat in here too...

I've been chasing my leak rate for some time. My AHI is/was doing great if it was below '10'. Magically, now that my leak rate is really low, all of a sudden, my AHI numbers have dropped as well. We're talking an average of '2' - '4' most of the time now, and in the beginning, I was lucky to see a '10' once a week.

I've been tracking since NOV now, and it's only been the last 3 weeks or so that I've seen my numbers improve.

that is awesome Peter_C
02-03-2014 01:23 AM
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me50 Offline

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Posts: 2,559
Joined: Aug 2013

Machine: resmed S9 VPAP Auto
Mask Type: Nasal mask
Mask Make & Model: Wisp and Silicone Head gear
Humidifier: resmed H5i
CPAP Pressure: 18/8
CPAP Software: SleepyHead

Other Comments:

Sex: Undisclosed
Location: USA

Post: #46
RE: Machine or operator adjustment?
I think you are making changes before you have time to adapt to those changes. Changing pressures every few days does not give you a chance to see how that pressure or pressure range will work. Hopefully your sleep study will go well and give you a starting point with pressure and will see what your leak issues are like with the mask you are currently using. Let us know how it goes.
02-03-2014 01:29 AM
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vsheline Offline

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Joined: Jul 2012

Machine: S9 VPAP Adapt (USA Model# 36007, not better 36037 or 36067)
Mask Type: Full face mask
Mask Make & Model: F10 or SimPlus w/ 2Liners. MirageQuatro & Gecko gel pad
Humidifier: H5i
CPAP Pressure: 15 EPAP, PS 5-10
CPAP Software: ResScan

Other Comments: Marfan Syndrome, chronic bradycardia, occasional Cheyne-Stokes Respiration

Sex: Male
Location: California, USA

Post: #47
RE: Machine or operator adjustment?
(02-03-2014 01:10 AM)comatose Wrote:  
(02-02-2014 03:23 PM)zonk Wrote:  Some people with positional apnea, apnea is worse in supine position than sleeping on the side. Tennis ball placed inside a sock sewn on the back of pyjama top (or similar) helps avoiding turning on their backs which most of apnea occurs in this position and during REM sleep which I suspect that whats is happening during those clusters of obstructive events and than pressure dip right down to the minimum.

zonk, I am not sure about the tennis ball, my back has worked hard and is a little worse for wear, but you are right in thinking I am a back sleeper. Tiz something else to contemplate tho.......

Hi Comatose,

You will probably need to do more than merely contemplate doing something to stay off your back.

You will be amazed at the huge difference it makes (those apneas will mostly disappear) when you do something to make sure you are never sleeping on your back.

I sleep on my side and need a thick foam mattress topper so my hips do not become bruised or sore from being slept on all the time.

Take care,
--- Vaughn

Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment. The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies - not on matters concerning treatment for Sleep Apnea. I think it is now too late to change the name of the group but I think Voting Member group would perhaps have been a more descriptive name for the group.
(This post was last modified: 02-03-2014 01:56 AM by vsheline.)
02-03-2014 01:43 AM
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zonk Offline

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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: #48
RE: Machine or operator adjustment?
(02-03-2014 01:10 AM)comatose Wrote:  zonk, I am not sure about the tennis ball, my back has worked hard and is a little worse for wear, but you are right in thinking I am a back sleeper. Tiz something else to contemplate tho.......
[Image: cpapsleep1.jpg] [Image: snore-cushion.jpg]
02-03-2014 05:03 AM
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Peter_C Offline

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Machine: System One DS960HS
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CPAP Software: EncoreBasic Other Software

Other Comments: Severe obstructive sleep apnea 1999/Just got an ASV machine

Sex: Male
Location: Akron, Ohio USA

Post: #49
RE: Machine or operator adjustment?
(02-03-2014 01:23 AM)me50 Wrote:  
(02-01-2014 02:48 PM)Peter_C Wrote:  Just throwing my hat in here too...

I've been chasing my leak rate for some time. My AHI is/was doing great if it was below '10'. Magically, now that my leak rate is really low, all of a sudden, my AHI numbers have dropped as well. We're talking an average of '2' - '4' most of the time now, and in the beginning, I was lucky to see a '10' once a week.

I've been tracking since NOV now, and it's only been the last 3 weeks or so that I've seen my numbers improve.

that is awesome Peter_C

What sucks though is I have to use a FFM to make it work. Oh well - the price of being a hosehead..

*I* am not a DOCTOR or any type of Health Care Professional. My thoughts/suggestions/ideas are strictly only my opinions.

"Only two defining forces have ever offered to die for you. Jesus Christ and the American Soldier. One died for your Soul, the other for your Freedom."
02-03-2014 10:17 AM
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Peter_C Offline

Advisory Members

Posts: 1,308
Joined: Sep 2013

Machine: System One DS960HS
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro "MED"
Humidifier: Attached
CPAP Pressure: Auto mode-script is:15/3/3
CPAP Software: EncoreBasic Other Software

Other Comments: Severe obstructive sleep apnea 1999/Just got an ASV machine

Sex: Male
Location: Akron, Ohio USA

Post: #50
RE: Machine or operator adjustment?
(02-03-2014 05:03 AM)zonk Wrote:  
(02-03-2014 01:10 AM)comatose Wrote:  zonk, I am not sure about the tennis ball, my back has worked hard and is a little worse for wear, but you are right in thinking I am a back sleeper. Tiz something else to contemplate tho.......
[Image: cpapsleep1.jpg] [Image: snore-cushion.jpg]

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*I* am not a DOCTOR or any type of Health Care Professional. My thoughts/suggestions/ideas are strictly only my opinions.

"Only two defining forces have ever offered to die for you. Jesus Christ and the American Soldier. One died for your Soul, the other for your Freedom."
02-03-2014 10:19 AM
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