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[split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
#41
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
Thinking of my own ASV sleep study, I was surprised it was valid as I didn't think that I'd slept a wink.

Apparently, that wasn't completely accurate as they said they had enough data to prove efficacy.

Sleep labs are notoriously bad places to get sound sleep, with all the wires, strange beds, etc.

ASV machines can take some adjustment. Many of us experience needing to do the "blowback" trick with the ResMeds when the ASVs start blowing too much pressure (often at sleep transitions). For some reason, the ASVs can go a little wild at the worst possible moment.

By forcefully exhaling into the mask, the machine pressures settle down.

Mercifully, most of us seem to get past this phase fairly quickly. I'm still not sure if we train the machine, or it trains us, or a combination of both, but in my experience and those of my unruly brothers, man and machine do fall into sync.

My sleep quality has improved substantially compared to either APAP or pre-APAP periods.

Look forward to welcoming you to the renegades!

Bill
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#42
RE20: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
Thank you Spycar and Sleeprider.  I will be happy to provide all seven pages of my latest ASV sleepstudy but it does not contain very much additional data than what I have already provided.  I expected to see a titration section like was done when my BPAP was recommended.  But it appears they just set the machine parameters at ASV 5/3/15 and tracked my apneas (there were none), my blood oxygen which had a mean of 95.7%,  my sleep status (awake/REM/Non Rem) and my heartrate which had a mean of about 55.  The only time the word "spontaneous" was used had to do with arousals which were 8 during non Rem and 3 during REM.  I can also try to find what you are seeking if you show me a sample.

Now for a question.  I just reviewed a "scholarly article" on dealing with central apneas.  I was surprised that it said that adding oxygen may also help eliminate central apneas and that a BPAP ST may also work if the ASV did not eliminate the central apneas.  I do not want to keep ordering machines.  Since the ASV and BPAP ST carry the same HCPCS Code EO471, what is the Apnea Board consensus on the best machine to order to try and eliminate Central Apneas?    I still have time to influence what machine is ordered as my insurance company has not yet pre approved the purchase nor has my doctor written the prescription.  My current desire is a Resmed Aircurve 10 ASV with both the fixed and Auto EPAP options unless you folks think otherwise.
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#43
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
IMO unless you've been disqualified for the ASV machine, that should be your first choice. ST can work, but I believe the ASV will in most cases be the better choice, when it comes to treating centrals anyway.Coffee
Dave

I'm not a doctor in real or fictional life. My posts include opinions based upon user experience regarding CPAP therapy and should not be considered medically professional direction or advice. Even a 1,000 mile trip requires a good first step. My recommended first steps include getting good walking shoes, 1 great cup of coffee, and a good GPS.

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#44
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
I agree the ASV is the best choice. I have just been prescribed an ST by the NHS I have already purchased my own S9 ASV and the bilevel ST works but is not as comfortable by far. The amount of pressure is fixed, the pressure support is fixed and the pressure wave form is square (rise time can be tweaked ) and both treat my periodic breathing but the ASV is the best.
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#45
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
The ASV will eliminate central apneas. It is the state of the art technology.

I'm very happy with my ResMed AirCurve 10 ASV Auto. That would be my choice of machines. I would encourage you to stick with that decision without hesitation.

Bill
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#46
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
The ASV is far superior for complex or central apnea treatment. The ST is more appropriate for people with a restrictive condition, hypoventilation or those that cannot use ASV due to a heart condition. As mentioned above the ST provides a fixed inhale and exhale pressure and provides backup breaths on a timed basis. The ASV actually provides variable EPAP and IPAP pressure support based on your breath by breath needs, and uses an adaptive algorithm to match your breathing rate...Resmed Aircurve 10 ASV is your best choice.
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#47
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
I'll strongly second Sleeprider on the ResMed AirCurve 10 ASV as the best choice overall. I back my opinion by owning/using this exact machine. It works extremely well in conquering the centrals, obstructives, and hypopnea. In ASV Auto, we only need edit 4 pressure settings, as the algorithm takes care of the rest.

Coffee
Dave

I'm not a doctor in real or fictional life. My posts include opinions based upon user experience regarding CPAP therapy and should not be considered medically professional direction or advice. Even a 1,000 mile trip requires a good first step. My recommended first steps include getting good walking shoes, 1 great cup of coffee, and a good GPS.

Wiki Info for Beginners
Sleepyhead Chart Organization
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#48
RE21: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
Dave, what are the four ASV settings required?  My sleep study only mentioned a minimum, maximum and pressure relief.  Thank you also for your Resmed ASV endorsement.  That is the consensus of everyone who has responded to my question.
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#49
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
I describe the settings as 2 range groups. Since we're describing 4 overall settings, you can only access this via the ASV Auto mode. OK, we have an EPAP Min and Max, there's the first 2. We also have PS or (pressure support) Min and Max, there's the other 2. IPAP is controlled by adding whatever your current EPAP and PS are.

Further info on IPAP, you cannot set this "directly". The machine algorithm sets IPAP for you based on whatever "x" for EPAP PLUS "y" for PS are at that moment. Hope it makes sense.

As for what you set those 4 values to should be likely determined off your sleep study. Of course you'll likely edit those to get best results. Unfortunate that's a bit of trial n error. But it's not difficult with reviews of nightly results via Sleepyhead.

Added: BTW this does not include "comfort" settings: Ramp settings (I don't use it), Humidity, heated hose (only available if one is plugged in).
Dave

I'm not a doctor in real or fictional life. My posts include opinions based upon user experience regarding CPAP therapy and should not be considered medically professional direction or advice. Even a 1,000 mile trip requires a good first step. My recommended first steps include getting good walking shoes, 1 great cup of coffee, and a good GPS.

Wiki Info for Beginners
Sleepyhead Chart Organization
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#50
RE: [split] ResMed AirCurve 10 VAuto vs ASV to Treat Central Apnea
I'll drop in the ASV titration protocol here.  Note different starting points for ASVauto and ASV.

[Image: attachment.php?aid=4210]
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