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Bad results to Good by changing settings
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myapneas Offline

Members

Posts: 6
Joined: Jan 2016

Machine: ResMed AirSense 10 AutoSet
Mask Type: Full face mask
Mask Make & Model: Resmed F10 (full face)
Humidifier: unsure (built into machine)
CPAP Pressure: 6-16
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location:

Post: #1
Bad results to Good by changing settings
Not a question, more a very heartfelt thank you to the people on this forum. Also, maybe this will help someone else.

I have severe apnea (~40 AHI untreated). I didn't get much better than 20 on APAP, until I changed several settings with help from this forum.

In short, my treatment wasn't working because (1) the settings on my APAP were too wide (4-20), and (2) this caused the APAP to run very high so I kept losing the seal and couldn't tolerate the exhalation pressure. EPR was set on 1. With the settings on 4-20, my 95% was around 18, which I couldn't tolerate.

Based on suggestions I read on this forum, I reduced the range (8-16) and set the EPR to 3. Now my AHI is under 5, and my 95% is around 12. For whatever reason, having the range set from 4-20 prevented the machine from working correctly at all, but it works fine on the narrow range, and I can exhale with the EPR setting raised.

Can't thank you all enough. It's been a long, tiring road.
01-06-2016 08:39 AM
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OpalRose Offline

Monitors

Posts: 3,168
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: #2
RE: Bad results to Good by changing settings
A lot of doctors and therapists send the machine home set at 4-20, and leave you on your own. I think they either don't understand or are playing safe.

I was sent home with the same settings. Sad

This is what happens. In your case, the APAP starts out at 4, but it takes too long for it to respond to apnea events. Eventually it gets there, but by the time it does, a lot of events will not have been averted, resulting in a higher AHI.

Also, the APAP responds to snores and flow limitations, and will raise the pressure in response. I know in my case, my APAP would sometimes go to my max setting with no apnea events. The change in pressure was very disruptive.

The best thing you can do now is watch your 95% numbers and your medium pressure number, from there the best starting point would be around the Medium number or 2 to 3cm below the 95% number. That gives you a pretty good idea where to start. Only raise your max pressure if you see your numbers staying up that high for a good part of the night.

OpalRose
(This post was last modified: 01-06-2016 09:07 AM by OpalRose.)
01-06-2016 09:06 AM
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trish6hundred Offline

Advisory Members

Posts: 6,436
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: #3
RE: Bad results to Good by changing settings
Hi myapneas,
It’s great to hear that you got your machine set so that it will work well for you, now onwerd to better sleep.

trish6hundred
01-06-2016 06:58 PM
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JWR Offline

Monitors

Posts: 455
Joined: Sep 2013

Machine: DreamStation DSX700 , PR 760 bipap auto
Mask Type: Nasal mask
Mask Make & Model: Resmed mirage FX
Humidifier: DreamStation DSXH , system one
CPAP Pressure: min EPAP = 17.5max IPAP = 21
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: .

Post: #4
RE: Bad results to Good by changing settings
That's great to hear that you got it figured out Well-done your on your way to being an old Pro at cpap. Coffee
01-06-2016 09:31 PM
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