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Need help with settings switching from Dreamstation AVAPS to ResMed ST-A
#1
Need help with settings switching from Dreamstation AVAPS to ResMed ST-A
Due to the Philips recall, I’m switching from a Dreamstation BiPap AVAPS to a ResMed Aircurve 10 ST-A. I purchased a used one with very low blower hours. It just arrived. I use this type of machine because of muscular dystrophy. 

The sleep study was done on a Philips AVAPS machine and shows the following recommended settings.

These are also the settings that I’ve used since I got the AVAPS machine.

Specify AVAPS Pressure
EPAP   12 cmH20
IPAP Minimum 17 cmH20
IPAP Maximum 25 cmH20
Tidal Volume 470 cc
Tinsp 1.5 seconds
Rate 12 bpm
Specify Respiratory Rate 12/min
Heated Humidification

Some of the settings on the ResMed ST-A with IVAPS mode on are different.

Can any of the experts help fill in or change any of them please? Also please correct me if any are wrong.

The following is preset by the seller after sending him my sleep study settings. 

Mode   IVAPS
Height   62 inches 
Target PT Rate   12
Target VA   5.3 L/min 
(The following 3 are grayed out and change according to Target VA)
MV   6.3 L/min
VT   531 ml
VT/kg   10.5 mil/kg IBW

EPAP. 12 
Min Ps   4.0 
Max PS   17.0 
TiMax   1.5 s
TiMin   0.3s 
Rise Time   min
Trigger.   Med
Cycle.   Med
Mask   Pillows
Learn targets   (?)

Ramp time   OFF
Ramp Down   OFF
Climate Control   Manual


Can anyone recommend the best changes based on my sleep study results?

I’m questioning the Target VA settings.

If I change Target VA to 4.6

The following grayed out settings look like this

MV 5.6 L/min
VT 473ml
VT/kg 9.3ml/kg IBW

I’m also questioning
Min PS
Max PS

I don’t see a setting

IPAP Min
IPAP Max

Thanks for your help.

Lynn
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#2
RE: Need help with settings switching from Dreamstation AVAPS to ResMed ST-A
Actually I have some of the settings that Apria would have set a ResMed ST-A to.

IVAPS
Target Patient Rate 12
VT 470
EPAP 12
Min PS 5
Max PS 13

That looks more accurate for the EPAP, Min and Max PS. 

Thoughts?
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#3
RE: Need help with settings switching from Dreamstation AVAPS to ResMed ST-A
Post you most recent OSCAR data I am sure someone will help you.
Thank you,
Brent aka Factor

Just a Regular guy.
My untreated AHI was 87.  You can do it hang in there.
"You can if you will"   Jerry Kramer

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#4
RE: Need help with settings switching from Dreamstation AVAPS to ResMed ST-A
With this ResMed ST-A, just calculate by way of adding PS to EPAP to know your IPAP. It won't be machine displayed in settings nor is it a direct setting. IPAP is an indirect setting via editing EPAP or PS values.

Note the Learn Targets function does not need to be done. You're setting your settings from the prior machine, so you can safely bypass/skip it.

As best as I can tell, settings are ok.

Try it a night and tell us how it went. Yes it's a good idea to try posting OSCAR data if you can.
Dave

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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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