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Tension vs AHI numbers
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CasitaWayne Offline

Members

Posts: 19
Joined: Jul 2014

Machine: Resmed vpap auto
Mask Type: Nasal pillows
Mask Make & Model: Resmed P10
Humidifier: Resmed
CPAP Pressure: 7 to 18
CPAP Software: Not using software

Other Comments: I have had SA since about 1986

Sex: Male
Location: Fredericksburg, Texas

Post: #1
Tension vs AHI numbers
Just wondering. Has anyone experienced an increase in AHI numbers only because of anxiety or tension? That is the only thing that has changed in the last 2 months.

I was doing so well with my AHI readings (2.5 to 7). Then suddenly they started to climb. They are now at 20 to 35. My P10 mask does not lead. I am still sleeping the same number of hours and going to bed at the same time. I have tried changing from the good control numbers EPAP =19.6 ,IPAP= 6.0, and PS=0 one at a time to see if I could effect a positive change and yet the AHI numbers stay very high. BTW, I don't have SA software.

CPAP isn't so bad if you don't mind wearing a catchers mask and sleeping with a garden hose.
01-02-2016 01:09 AM
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PaulaO2 Offline
Wiki Editor
Moderators

Posts: 8,065
Joined: Feb 2012

Machine: S9 Autoset
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: H5i
CPAP Pressure: 14-20
CPAP Software: SleepyHead

Other Comments: Ehlers-Danlos Syndrome, Hypermobility Type; chronic sarcasm

Sex: Undisclosed
Location: western NC, USA

Post: #2
RE: Tension vs AHI numbers
Are your events primarily or all central?

There's lots of things that can increase AHI and tension is one of them. But I don't see it doing so night after night for 2 months. Something else is causing it.

Do you not have software because it won't read from your machine? Or you just don't have it? If Sleepyhead can read from your machine, please get it installed. By looking at the overall data, you can narrow it down.

PaulaO2
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01-02-2016 12:02 PM
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vsheline Offline

Advisory Members

Posts: 1,907
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: #3
RE: Tension vs AHI numbers
(01-02-2016 01:09 AM)CasitaWayne Wrote:  Just wondering. Has anyone experienced an increase in AHI numbers only because of anxiety or tension? That is the only thing that has changed in the last 2 months.

I was doing so well with my AHI readings (2.5 to 7). Then suddenly they started to climb. They are now at 20 to 35. My P10 mask does not lead. I am still sleeping the same number of hours and going to bed at the same time. I have tried changing from the good control numbers EPAP =19.6 ,IPAP= 6.0, and PS=0 one at a time to see if I could effect a positive change and yet the AHI numbers stay very high. BTW, I don't have SA software.

Hi CasitaWayne,

If PS is zero then I suppose you meant Max IPAP is set to 19.6 and Min EPAP is 6. (If you really need 19.6 occasionally, then having the Min EPAP at 6 seems way too low. You might want to consider gradually moving Min EPAP closer to 10.)

I suppose you may have an older machine which uses the old proprietary "smart card" instead of a standard SD card, in which case you would need to buy the old ResMed proprietary smart card and proprietary card reader if you wanted to use ResScan to read your detailed data, which would be fairly limited, without Central Apnea detection or Flow waveforms.

If that is your situation and if you are not using Pressure Support, it might be better to save up and buy a used S9 AutoSet, which would allow use of a heated hose to avoid rain-out and would provide the standard SD card for data, allowing use of the SleepyHead software or ResScan, with full detailed data including central apnea detection and Flow waveforms. And distinguishing central apnea versus obstructive apnea is often extremely important.

Also, the S9 AutoSet and A10 AutoSet models both use the newer "Enhanced" AutoSet algorithm, for more accurate automatic pressure adjustments.

The Flow waveform is an extremely detailed plot of our breathing, of the estimated rate of airflow into and out of our lungs. The Flow waveform can be important for recognizing subtle problems, if present.

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: 01-02-2016 01:38 PM by vsheline.)
01-02-2016 12:53 PM
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