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RERA
#1
RERA
Does anybody know why sleepyhead doesn't count RERA in AHI report
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#2
RE: RERA
The machines that flag RERA events do not count it in AHI because it is not part of that index. If you want to take the RERA index and add it to AHI you would then have RDI. Your choice. I always felt RERA was equally disruptive of good sleep.
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#3
RE: RERA
This is the only thing my wife gets so I did some reading on them. They can cause problems for sleep and waking that is why I am surprised they are not counted.


Her numbers are close to 0 and sometimes she gets the happy face but still tired. So we are watching her Rera.

I
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#4
RE: RERA
I may be alone in this, but I don't think the RERA reported by machines is a good indicator of actual RERA. From what I've seen it tracks flow limitations and when it detects improvement in the flow it will count it at that point as a RERA event. I guess they figure if the flow improved it must be because you were aroused. In a sleep lab they have EEG which shows brain activity that signals an arousal.
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#5
RE: RERA
I don't think this is hijacking this thread since I have similar questions as the OP. My AHI is completely under control--I have had 8 O.00 AHI figures since 13 Jan 2017 and 12 more nights with only one apnea event that spoiled a zero night. However my RERA rate has not gone done with the minor pressure tweaks that have gotten me to this place. What pressure, min or max, changes might help? I'm currently at 11.5 - 13.5. My RERA figures have ranged from 10 to 22 on zero AHI nights. I've used the current pressures for about 6 weeks--was on 11 - 13 for a long time. The small changes, one at a time to each level, did a lot of good lowering my already pretty good AHI to it's current level--30 day AHI 0.22.
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#6
RE: RERA
Since changing to the Resmed S9 BiLevel RERAs no longer appear as the machine doesn't measure them. I'm wondering if that might not be a good thing. With the Respironics BiPAP I was able to tweak the pressures to get my RERAs down what is considered a good level. Now I have no yardstick. Any ideas for this would be helpful.
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#7
RE: RERA
The ability of the CPAPs to actually record RERA events is limited. They seem to track flow limitation and record a RERA when respiratory volume increases following a period if diminishing volume or flow limit. That may or may not be an arousal or RERA, but it is a reasonable approximation of what is done in PSG, except an arousal is actually measured by the EEG.

For those with bilevel, RERA is less likely due to pressure support. I actually rarely see RERA events on a Resmed Autoset when the user has enabled EPR because that is so similar to pressure support. For people prone to flow limitation, RERA, excessive hypopnea, the Philips Respironics Flex in their auto CPAP seems much less effective than bilevel pressure or using and Autoset with EPR...JMHO
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