10-15-2016, 10:38 AM
(This post was last modified: 10-15-2016, 10:41 AM by Rick76599.)
I've been on the cpap now for about three months. I figured out pretty quickly that it's in my best interest to make my own adjustments. So far I've gone from an AHI of 30 down to about 6. Still working on it and have some questions.
I noticed that when I turned down my EPR, my 90% pressure when up and as EPR went down, my humidity setting also needed to increase, but eventually it became ineffective. Now I wake up several times a night with total congestion. I've noticed that when I'm congested, hypopneas will increase.
So, is this trend common?
When my EPR is = 3 90% pressure is about 9-10, EPR=off 90% pressure = 14
Looking for advice on if limiting the max down to 12 or so with EPR off would be something to try or something to stay away from.
I'm also looking at getting an oximeter compatible with sleepyhead.
EPR and humidity are not related. Sheer coincidence.
EPR is supposed to be just a comfort feature but for many people, it is more than that. EPR drops the pressure at exhale to make it easier to breathe out. If you do not have any problems doing that (some feel smothered without out it), then sure, turn it off. I once experimented with it and got used to the sensation of pushing against it on my own but wasn't happy with the slightly higher AHI. I also woke up a lot more.
You have to set it to where you are comfortable breathing at the exhale while still ensuring the AHI remains good. An increase in pressure is fine. Means the machine is working. An increase in OA events and AHI resulting in disrupted sleep, that's not fine.
Limiting the max pressure will not help with your AHI. If your 95% goes to 14, it is going there because it needs to.
Whatever changes you do, make them slowly. Even the EPR ones. Make a change and observe the data for at least ten days.
And I take back my thought in EPR and humidity not being connected. They may be in a way. If the EPR is set to 2 and your inhale is 10, then your exhale would be 8. The slight difference of ease on the breathing out may assist the lungs and the general atmosphere in helping to keep the nasal passages moist. But if you turn off the EPR, the pressure is a constant 10. There just may be an increased need for humidification for some people.
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As usual Paula covered your options very well. However, I would also consider dropping your humidity level. You do not say where you live, but unless you are located in a very dry part of the country, you may not need any additional humidity.
I do not use my humidifier at all during the long summer months here in Houston. Any additional humidity would plug me up in minutes. The same thing actually in the winter months if the incoming air temperature is too warm. (FYI - - I live in a high humidity area, but our A/C systems keeps our house between 45-50% humidity all summer so my bedroom conditions should be typical. In the winter months (days LOL) then the humidity in the house can drop into the 30-40% range.)
Check your bedroom's humidity with a hydrometer. If it is 50% or higher, you may not need a APAP humidifier. If it is above 60%, then you may want to consider either an A/C checkup, or adding a dehumidifier to your bedroom or home.