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Comparative Analysis of 8 APAP Machines
#21
RE: Comparative Analysis of 8 APAP Machines
The PRS1 was included, which has an earlier edition of what became the Dreamstation firmware. The research was published in 2015. Presumably the Dreamstation wasn't a product yet when the study was going on.

The link in my earlier reply points to a mini-tutorial by Sleeprider about the main difference between Philips and Resmed.
"I wanted to be a Boy Scout, but I had all the wrong qualities.  They were looking for kids who were trustworthy, loyal, helpful, friendly, courteous, kind, obedient, cheerful, thrifty, brave, clean, and reverent.  Whereas I tended to be devious, fickle, obstructive, hostile, rude, mean, defiant, glum, extravagant, cowardly, dirty, and sacrilegious."  (George Carlin)
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#22
RE: Comparative Analysis of 8 APAP Machines
(01-07-2019, 08:03 AM)nbritton Wrote: So funding was provided by ResMed and they conveniently forgot to include the DreamStation Auto CPAP in their testing? Nice. I guess we can infer the performance of the DreamStation is on par with, or better then, the ResMed machine?

You don't read so wel The Studyl included the following machines listed as D1- D11
D1 Control
D2 RESmart Auto
D3 iSleep20i
D4, Floton Auto
D5, SleepCube Auto
D6 ICON+
D7 PR1 Remstar Auto
D8 S9 AutoSet
D9 DreamStar Auto
D10 Transcend Auto
D11 SOMNOBalance-e.


The test was done before the Philips Dreamstation orResmed Airsense 10 were available, so the previous generations were used. The Philips Respironics System One 60 Series has a different form factor, but the therapeutic algorithm and functionality is mostly unchanged in the /Dreamstation, and the same can be said of the Resmed S9 vs Airsense 10.  In the Study, the Philips was D7 and the Resmed D8, so it's very easy to compare them. For example in this graph, D7 left a lot of hypopnea that D8 resolved.

While the Resmed S9 Autoset did very well and the Philips Auto was pretty close, I think that the clear winner was D3, the iSleep 20i Auto, a device we don't hear much about.
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#23
RE: Comparative Analysis of 8 APAP Machines
Check out the on-line reviews for iSleep 20i Auto and that might indicate why we don't hear too much about this unit.
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. 
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#24
RE: Comparative Analysis of 8 APAP Machines
It appears to be discontinued anyway. At least it cured the apnea machine first. Smile
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#25
RE: Comparative Analysis of 8 APAP Machines
(01-07-2019, 10:11 AM)Sleeprider Wrote: The Studyl included the following machines listed as D1- D11
D1 Control
D2 RESmart Auto
D3 iSleep20i
D4, Floton Auto
D5, SleepCube Auto
D6 ICON+
D7 PR1 Remstar Auto
D8 S9 AutoSet
D9 DreamStar Auto
D10 Transcend Auto
D11 SOMNOBalance-e.

That looks like a good one too.  Smile  But the paper that you cited originally is "Comparative assessment of several automatic CPAP devices' responses: a bench test study" by Valentina Isetta, Daniel Navajas, Josep M. Montserrat, and Ramon Farré:
(09-09-2016, 02:51 PM)Sleeprider Wrote: I found an article that may be worth reproducing or summarizing on the main forum.  I thought I'd run it by you guys first.  I don't think there is a commercial issue here.
http://openres.ersjournals.com/content/1/1/00031-2015

... which says:
Quote:Devices tested were AirSense 10 (ResMed), Dreamstar (Sefam), Icon (Fisher & Paykel), Resmart (BMC), Somnobalance (Weinmann), System One (Respironics) and XT-Auto (Apex).
"I wanted to be a Boy Scout, but I had all the wrong qualities.  They were looking for kids who were trustworthy, loyal, helpful, friendly, courteous, kind, obedient, cheerful, thrifty, brave, clean, and reverent.  Whereas I tended to be devious, fickle, obstructive, hostile, rude, mean, defiant, glum, extravagant, cowardly, dirty, and sacrilegious."  (George Carlin)
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#26
RE: Comparative Analysis of 8 APAP Machines
Good point. The original post was over 2 years ago and my memory does not go back that far. Anyway, they both seem to have representatives form Resmed and Philips.
A1 AirSense 10 standard setting
A2 AirSense 10 response setting
B Dreamstar
C Icon
D Resmart
E Somnobalance
F System One
G XT-Auto.

I found this graph really hard to interpret for color, and in this case the Resmed was clearly much more responsive than the rest of the cohort under either the standard or responsive mode.

[Image: F3.large.jpg?width=800&height=600&carousel=1]
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#27
RE: Comparative Analysis of 8 APAP Machines
Oh, yeah, that's right, both studies have been mentioned in the thread, sorry.  I was looking all the way back to the beginning and assuming that nbritton's comment about the Dreamstation had to do with that first one.  But both studies did include a PRS1, predecessor of the Dreamstation, so I guess it doesn't matter.  As you say, the important thing is the Resmed-versus-Philips comparison, or more generally any one manufacturer's methods against all other manufacturers' methods.

And speaking of which, I suggest that parts of your posts here would, if put together and edited slightly for continuity, make a useful wiki article:

http://www.apneaboard.com/forums/Thread-...#pid281361

and

http://www.apneaboard.com/forums/Thread-...#pid273655

Because that general question seems to be asked quite often by folks just starting out with CPAP and shopping for a machine:  "What's the deal with Resmed vs. PR, and is one better than the other, and if so, how and why?"
"I wanted to be a Boy Scout, but I had all the wrong qualities.  They were looking for kids who were trustworthy, loyal, helpful, friendly, courteous, kind, obedient, cheerful, thrifty, brave, clean, and reverent.  Whereas I tended to be devious, fickle, obstructive, hostile, rude, mean, defiant, glum, extravagant, cowardly, dirty, and sacrilegious."  (George Carlin)
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#28
RE: Comparative Analysis of 8 APAP Machines
Well, those are pretty stong opinions for a wiki page, but I could see it as a personal wiki, like Archangle's Machine Choices. Good thought, and I'll bookmark it.
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#29
RE: Comparative Analysis of 8 APAP Machines
I have already noted the importance of the content noted and am looking at rewriting the info into a more wiki friendly article
.
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#30
RE: Comparative Analysis of 8 APAP Machines
Fred, don't miss this from earlier today: http://www.apneaboard.com/forums/Thread-...#pid281984 If the full data is available in addition to these close-ups I think we can start showing why the I:E times are so screwed up.
[Image: attachment.php?aid=9698]
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