Dreamstation 90% Pressure

Hi folks

Over the past few weeks my Phillips Dreamstation 90% pressure has been creeping up.
The pressure is set at 10.5cmH2o and this worked great, however when I turn it on now it is at 13.5cm. This is far too much pressure and is very noisy.
My mask, tube and filters are all in good condition and clean, and mask fit is 100% every single night.

Q1 - Why has it increased?
Q2 - Can I get it back to 10.5cm or is the 90% pressure uncontrollable?

I'm waiting for my sleep clinic to call me back, so just wondering really. I know how to adjust the pressure from watching Youtube videos, but I don't really want to mess with it.

Thanks

A

AndyEll wrote: ↑

Fri Jan 20, 2023 5:13 am

Hi folks

Over the past few weeks my Phillips Dreamstation 90% pressure has been creeping up.
The pressure is set at 10.5cmH2o and this worked great, however when I turn it on now it is at 13.5cm. This is far too much pressure and is very noisy.

If the pressure is changing, then you must be running in Auto PAP mode. What are your therapeutic settings? What are the Min Pressure and Max Pressure set to?

Q1 - Why has it increased?

We need to see the detailed daily data from Oscar to answer that question.

Q2 - Can I get it back to 10.5cm or is the 90% pressure uncontrollable?

The 90% pressure level is found through the statistical definition. It represents the number for which the pressure level was at or below 90% of the time the machine was running during the session. You can prevent the 90% pressure level from reaching 13.5cm by setting Max Pressure below that number. However, that may not be a good idea: There is a reason why your machine is increasing the pressure, and the reasons for pressure increases during the night are obstructive apneas, hypopneas, RERAs, flow limitations, and snoring. In other words, the machine is increasing the pressure in order to keep your apnea under control.