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Dreamstation Auto User Need Advice
#1
Hi,

I am on my 4th night on my new Dreamstation. Previously on a rental/trial Resmed S9 Autoset for a month and no issue with going below AHI 5. But 4 nights on the Dreamstation but I cannot get below AHI of 5 for the 4 nights.

The leak rate is also quite high. Am I doing something wrong here?


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#2
I'm wondering if the lower pressure limit might need to be raised to maybe 6 - but wait until you hear from the more experienced folks here.
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#3
Hi, I did try to raise my min pressure to 6 (see the info above). I read somewhere that coughing would increase the AHI? Might be the issue as I am having a persistent cough for over a week.
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#4
Are you using the same mask as previously?

Does the Dreamstation have the same settings as the S9 did?

I have the Dreamstation coupled with a Fisher & Paykel Eson nose mask, I have no real problems with leaks, and my AHI average over the last 6 months is 1.4 (and I have recently even achieved the magical 0.0 with it on one occasion)
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#5
Hi Etchris,
WELCOME! to the forum.!
Hang in there for answers to your questions, good luck to you with your CPAP therapy.
trish6hundred
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#6
(01-11-2017, 10:55 PM)Etchris Wrote: Hi,

I am on my 4th night on my new Dreamstation. Previously on a rental/trial Resmed S9 Autoset for a month and no issue with going below AHI 5. But 4 nights on the Dreamstation but I cannot get below AHI of 5 for the 4 nights.

The leak rate is also quite high. Am I doing something wrong here?

Don't think it's the leak rate as your 95% leak rate is 21 and 'time over leak red line' was 2.42%. Most of the night it was near or at zero until after 5am and again after 6am. The more experienced ones may correct me, but it appears ok to me.

You didn't mention what was on the S9 pressure setting. For the Dreamstation, you may need to up the min pressure a notch or so higher than what was set on the S9 due to it's softer pressure rise algorithm.

Are you using a humidifier? It may help the cough as dry air (or air conditioning) may further irritate the airway.

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#7
Agree with raising the minimum pressure and looking at your 95% rate I'd set it at 10 though 9 will suffice. The algorithm the Respironics uses is not as aggressive as the Resmed so getting your min pressure close to your 95% means the PR can work better. This was my experience changing from my loaner S9 to the PRS1 (model before the Dreamstation and very similar).

Your leak rate is fine. The Resmeds use a different way to calculate leak rate and anything above 24 is considered a leak. This can be much higher for the Respironics machine.
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#8
Hi, I tried putting the pressure to a min of 10 up to 20,using the DreamWear it was very noisy and I can't sleep, but it did bring the AHI down to 5.2.

I tried to use the ramp function(manual) to start at 6cm/h2o over 25 mins but it got too noisy for me using the Dreamwear. In the end I used the Amara View which is less noisy. I had an AHI of 5.6.

Will try to see if the Smart Ramp would help better to reduce the noise.

Personally I prefer the more aggressive Resmed S9 Autoset but I have to live with a cheaper Dreamstation as I can't afford to have the Resmed now since these are all self financed.
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#9
Btw, on the S9, the pressure is set at 4-18cm/h2o and it did a wonderful job...
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#10
Post your latest sleepyhead image and see if someone can add to the discussion.
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