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[CPAP] ResMed AirCurve 10 VAuto issues
#11
JustMongo - Thanks again for the information.. I am getting much better information here than I have from a sleep apnea specialist doctor, and a provider of sleep apnea machines...
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#12
Okay Gents and Ladies.... Let me see if I now remotely understand this how this machine's set up works.....

Auto BiLevel Mode (VAuto)

IPAP = 14

EPAP = 6

PS = 4

So, with this set up, EPAP's minimum is 6 and it's maximum is 10, and IPAP's minimum is 10 and it's maximum is 14. Is this correct?

Huhsign


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#13
Yep, I think you've got it!
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#14
Hi everyone: First of all, I really want to thank everyone who has responded to this thread.

That being said, this morning my wife and I went down to the sleep apnea supply, and spoke with the "store" manager, expressing our unhappiness with the lack of knowledgeable service, and also with the fact that I was supposed to be able to choose my new machine, and not merely have a machine pushed at me across a desk. "take it or leave it" (which is what occurred).

So, at 9:00 in the morning tomorrow, we return the ResMed Aircurve 10 VAuto, and will be getting the Phillips Respironics Dream Station Auto BiPAP instead. We are also going to have a different tech to provide service to us both from now on (My wife also has a older Respironics Auto BiPAP). Hopefully this will all happen without any further nonsense.

I hope we made the right decision. Dont-know

I will post to a new thread once I have some sleep hours on the new machine.

Thanks ALL! Thanks
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#15
I have used both Respironics and Resmed bilevels. My impression is that the Resmed follows your breathing more, and responds faster increasing pressure for obstructive events. Respironics machines respond a bit slower and tend to loiter at the minimum EPAP, with regular 1.5 cm pressure increases through the night. Both work just fine, and you may have jumped the gun exchanging the machine, when the real problem was incorrect setup by the technician.

Your new machine should be set to auto B mode, and you can select a minimum EPAP, PS and max IPAP the same way your Aircurve was setup. You should plan to monitor your own therapy using Sleepyhead, and after observing the results and trends for a while, you might make some changes to the pressure settings. Just as a general rule, if you have excess obstructive apnea, increase EPAP min; if you have excess central apnea, decrease PS. If you feel good, you should be fine...don't obsess over data, it's just a tool.

Hope your new machine works out for you, and you have already learned the most important lesson; if you don't take charge of your own therapy, no one else will. Learn how to read and interpret the data and to make appropriate changes in settings. We'll be glad to help.
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#16
Sleeprider - Thanks for the input.... Thanks

Let me try to clarify a couple of things.. I only brought home the ResMed unit because the tech incorrectly stated that my sleep doc wanted me to have that specific machine, and that it was specified on my prescription (that statement was completely untrue).. I was *supposed* to have my choice of three (or #?) auto Bilevel machines, and no choice was presented to me, and the unit was literally just pushed at me across a desk (my wife was not pleased, and neither was I).

Had a choice been presented as I was originally promised when I gave the order to the supplier, I would have gotten the respironics auto bipap unit to begin with. My wife has the previous model respironics auto bipap unit (which I understand this model's workings are close to the same), and it has never given a moment's trouble.

So, this change was not made in pique, but was based on past experience with the brand, and based on what was originally promised by the supplier.

According to the (new) sleep tech today, the respironics units has 2 PS settings (min and max), rather than the resmed's single PS setting. I don't know if this will create any practical difference in use, but that is how the Dreamstation Auto BiPAP is set up apparently.

I have read that some units are noisy out of the box, so we tested the new unit before we left the supplier today, and it is very quiet.

One other quirk, some people do not like how long the readout on the respironics stays lit... I found the resmed's readout was going dark too fast for my old eyes to read what I wanted to see, so this should be better for me.

I admit that I will miss the auto-ramp of the resmed, but I expect that I will get used to tapping the ramp button.

However, I will not miss the humidifier chamber, which I felt I was going to spill every time I filled it, and had to slide it into place.. I prefer the open-top unit of the dreamstation.

Hope that all makes sense. Huh

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#17
My current backup machine is a PRS1 DS760 (auto bipap) and that was my primary machine for quite a while. The Philips machines do indeed change PS within a set range, and this contrasts with the Resmed fixed PS. That particular aspect I liked better and used a range of 2-5 for PS. Generally the machine would hold at the minimum PS, but did go higher when hypopnea and RERA were present.j Also, the pressure support in the Respironics seems pretty invigorating since it seems to ramp up from EPAP to IPAP much faster than the Resmed. In the end, both machines consistently achieved AHI less than 2, and my current results with the Resmed are consistently less than 1.0. Both are good machines, and I was not criticizing your selection.

Your new machine has both Smartstart and ramp, so as long as you keep the ramp time short, the difference with auto-ramp should not be noticeable. The trade-off with the humidifier chamber is that Philips still has too many inaccessible nooks and angles that make cleaning nearly impossible, compared to the smooth open design of Resmed. You still got one of the best machines possible, and IMO a big advance over an auto cpap.
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#18
Good Morning (it is just barely still morning here)....

Night one with the new machine down.... Apparently, my sleep doc changed my orders yesterday before I picked up the new machine... Thinking-about

He changed the orders to read 8 & 12, fixed (which I don't particularly care for). This setting is until I have a repeat pressure titration study next week, at which time the pressures may change again, and he will set the machine to auto.

According to what he said this morning, he is afraid that I have developed a hypoxic respiratory drive, and that if we are not careful we will knock it out... (I do not think that this is the case, my O2 sats have never been low on a consistent basis for it to develop.)

Anyway, I guess better safe than sorry, but I really will be happy to just get on with things.
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#19
machines are set by your medical providers per your Doctor's orders. if having issues you should call them for medical assistant. SmileShy
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#20
(08-12-2016, 02:00 PM)warmbear Wrote: Good Morning (it is just barely still morning here)....

Night one with the new machine down.... Apparently, my sleep doc changed my orders yesterday before I picked up the new machine... Thinking-about

He changed the orders to read 8 & 12, fixed (which I don't particularly care for). This setting is until I have a repeat pressure titration study next week, at which time the pressures may change again, and he will set the machine to auto.

According to what he said this morning, he is afraid that I have developed a hypoxic respiratory drive, and that if we are not careful we will knock it out... (I do not think that this is the case, my O2 sats have never been low on a consistent basis for it to develop.)

Anyway, I guess better safe than sorry, but I really will be happy to just get on with things.

This thread has taken some unexpected turns, and it would sure be nice to see some detail therapy data from Sleepyhead. You started this thread being issued a Resmed bilevel with PS set to zero. You got the PS set to 4.0, and then changed to a Respironics BiPAP, and the doctor sets it to 12/8 fixed due to possible hypoxic respiratory drive, and he proposes another titration study. Weird. What is your average tidal volume? Please consider posting data.
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