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Sierra

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Max Pressure: 13 cm

Min Pressure: 12.2 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 3, Ramp Only

Mask: ResMed AirFit P10 Nasal Pillow

Canada

Sierra
Joined Jul 2018
Bio

CPAP: AirSense 10 AutoSet

Max Pressure: 13 cm

Min Pressure: 12.2 cm

Ramp: Auto

Ramp Start: 9 cm

EPR: 3, Ramp Only

Mask: ResMed AirFit P10 Nasal Pillow

Canada

As you will know 8 cm of pressure is pretty low. A CPAP goes up to 20 cm, and a BiPAP which many use will go up to 25 cm of pressure. I now run my AirSense 10 on a fixed pressure of 11, with it set to use 9 cm during the AutoRamp period. I find the pressure refreshing, and anything less than 9 while I am awake kind of suffocating. I don't like to feel short of air when I take a quick deep breath. I am amazed that some people can tolerate a 4 cm pressure to start the ramp.

I have issues with central apnea and have blamed the bisoprolol beta blocker for some of it. I was taking 5 mg a day and felt it was slowing my heart and blood circulation too much, and the oxygen/CO2 balance which controls the reparatory rate was unstable. This in turn I believe was causing the period breathing or Cheyneā€“Stokes pattern, and central apnea events. I reduced my dose to 2.5 mg a day as a test and I believe my central apnea frequency improved quite a bit. I showed my doctor the results and he agreed with the dose change as my blood pressure was still very good, but I think was kind of skeptical of me blaming the beta blocker for causing the central apnea. With OSCAR you can see all of this data displayed graphically, and can zoom in on the detail. There is a condition called treatment emergent complex sleep apnea where someone new to a CPAP experiences high levels of central apnea when first using the machine. In most it goes away after a few weeks. For me it did not. I believe the underlying cause is that the CPAP upsets the control system stability. The solution is to keep the pressure as low as possible but still control the obstructive apnea. Here is clip from the graph that shows what it looks like in OSCAR.

So in some situations CPAP pressure can be an issue. I am just not sure how to connect it to edema though.

I have never used Rescan but am aware of it. I have used SleepyHead for a number of years. From what I know of Rescan, SleepyHead is just as good. SleepyHead has been replaced by OSCAR, which from what I can tell is pretty much identical to SleepyHead. I have not bothered to switch but when users post their daily reports they look identical to me.

Rescan is only made available to sleep medical professionals and I am not aware of where you could download it legally, unless you are a professional.

SleepyHead and OSCAR work fine with the S9 and A10. My wife has a S9 and I use an A10 Auto. All but the most basic ResMed CPAP have a SD card and work similar to the S9.

Yes there is no problem accessing the clinical settings on the A10. You just hold the Home bar and set button down together for about 5 seconds.

What would be best to do is download OSCAR and download all the data on your S9 SD card to OSCAR now. It will give you a feel for the software, and when you do upgrade all the data will be seamlessly integrated together so you can go back and compare your A10 readings to your S9.

Be aware that based on previous history of machines ResMed seems overdue in replacing the A10 with a new machine. If you want the latest and greatest machine it may be worth holding off for a while. That said the only thing I have against the A10 is that it clunky to turn on the prewarming feature. It should be one button, but it is buried in the User Menu instead. The other option may be to watch for sales on the A10 as at some point dealers will want to clear them out before a new model arrives...

And one other thing. The ResMed A10 comes in two models . One is the standard and the other is the For Her. The For Her version does everything the standard version does, but also offers an additional mode that is more response to flow limitations and elevates pressure faster. That and it is a different colour. The price is the same for both. I am male but if I was buying again, I would get the For Her version just for the additional optional mode.