I have noticed a couple of times lately that the output from my machine increases to the point where it is impossible to maintain a good mask seal, I take it that this is something to do with the auto setting, ramp is off. This usually occurs after I have been asleep for a couple of hours. Any comments?
This sometimes happens Chris when people are on auto machines, and the changes in pressure can cause the mask to leak which unfortunately wakes the person. However, sometimes the pressure changes themselves can disturb a person's sleep. It would be worth trying to see if you can very slightly tighten the straps to help compensate when the pressures raise. Some clinics raise the lower pressures so the increase in pressures haven't so far to climb.....this would depend on what the average pressure a person needs though. If people can't overcome this, then the machine can be changed to fixed pressures if you speak to your hospital about this.
I have been using an Airsense 10 for the last 6 months. In the early days I had a similar problem, the higher pressure would both initiate a leak and also wake me up. In the early days I was adjusting the mask tension a lot more and several times in the night. As I got used to wearing the mask, then I found a new issue that I was swallowing air and waking up feeling bloated.
Good luck. As most people say...it gets better over time.
Having real trouble replying to forum, my replies are getting lost, trying again
Download Sleepyhead to see what is going on, it might be the machine responding to a leak by putting u the flow to compensate, however the newer machines tend not to raise the pressure but increase the flow.
If you Download Sleepyhead you can see what is going on, you can also limit the machine and even take the lower pressure up so as most of the Apnoeas are gone, leaving the machine to deal with the rest. However, you should not pu the machine at to high a low pressure if there is any signs of central apnoeas. Bringing the machine closer to a pressure nearer the highest (normal) pressure will also give you a better sleep.
What I mean by this is: If a machine is set to 4 and 15 as a high pressure, the machine will be to low at 4 to work against apnoeas, most will be in the 10 to 15 range, so taking the machine up to 8 or even 9 will give the machine less pressure to rise and not disturb you when it raises the pressure, it might also catch most of the apnoeas before they start.
https://sleepyhead.jedimark.net/?TestingVersions instructions are on the page. Be careful not to delete your data by accident. If nothing else it will let you see what is going on with your machine and treatment.
I adjusted my machine after I got it home after a few nights by taking up the low pressure a bit (not much as it was almost there anyway) but it made a big difference to sudden bursts of pressure.
Even if you do not want to adjust your machine it is interesting to see just how well or otherwise you are doing.