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Settings and different masks / colds etc.
For the most time my machine (Icon Auto) is set for 8 min 18 max and seldom rises above 10, when using a sleepweaver mask (nasal). Generally the machine reports an AHI under 1, 90% pressure of 9
When I have severe congestion (such as at the moment with a heavy cold) I find a full face mask (Quatro FX) more comfortable to get to sleep with, but my AHI and 90% pressures are significantly higher, AHI last two nights being 4.3 and 3.2 (not end of world) and 90% pressures 15.5 and 12.0
So does anyone more experienced want to speculate - is this because of (a) the mask, (b) the congestion or (c) my chosen cold remedy (night nurse tablets)?
I suppose I should do a trial - using the Quattro FX when I don't have a cold?
I suppose I'm fortunate to be using an auto as well!
Views: 100
Replies to This Discussion
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Permalink Reply by Kath Hope on
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I would guess it's the congestion causing the raised AHI's - there's likely to be more hypopnoeas with a stuffy nose. If the Night Nurse has drowsy-effecting ingredients in that would contribute to a raised AHI too.
It would certainly be worth you comparing the full face mask when you haven't got a cold.
You're lucky you get good results with the Sleepweaver as I hear more negatives reports on this one. Perhaps it's because your average pressure isn't too high at 10.
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Permalink Reply by symmit on
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Oddly I find the sleepweaver seals better in the 8-12 range, above that it leaks slightly, below that it leaks a lot. I just replaced it and that's shown me an interesting sleepweaver fact, the material isn't very soft when new and needs a couple of handwashes to make it work better.
My year old and starting to look worn one worked better than the new one out of the packet.
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Thanks for that interesting observation, which will no doubt help others. I've not tried it myself as they still don't have a full face version, but my minimum pressure's 12 so doesn't sound too promising for me.
symmit said:Oddly I find the sleepweaver seals better in the 8-12 range, above that it leaks slightly, below that it leaks a lot. I just replaced it and that's shown me an interesting sleepweaver fact, the material isn't very soft when new and needs a couple of handwashes to make it work better.
My year old and starting to look worn one worked better than the new one out of the packet.
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Permalink Reply by Terry Vella on
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Symmit, good question, I don't know the answer but suggest it is probably a mixture of everything. You sound like me wanting to know why AHI's go up and down, sometimes consistent and othertimes all over the place. I am still searching for the answers but in the meantime are not worrying as much as long as I feel OK and my AHI's are much lower than my diagnosised figure.
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Permalink Reply by Tigers Fan on
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Hi Terry - you know why your AHI goes up - you have a cold/congestion and take Night Nurse. That leaves nothing left to investigate! Your machine responds to the changed conditions in the only way it knows how. I don't believe we want a machine that blasts our noses/sinuses clear asit would have to finish up in our lungs!!
The fact that your AHI stays under 5 suggests toi me that you are merely suffering with a woman cold. Thank goodness you don't have man flu!
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