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Alex24
Joined: 15 Jul 2007
Posts: 65
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 Not sure sleep study is HONEST. Little help please.
Here are the results of my friends sleep study. I have a couple of questions to ask. 1. Does he have a AHI problem. 2. Why was he not given a split study on the first study. Does he really need CPAP. Do we have an ethical problem here?
Sleeping Stage Data:
Stage 1 3%
Stage 2 43 %
Stage 2 30%
Rem Sleep - 25%
Total number of awakenings - 18
Patient was supine 3% of the time, left side 42% and right side 54%.
There were 99 spontaneous arousals with 68 respitartory effort related arousals (RERAs). There 19 obstructive apneas with a mean of 19 and a maximum of 37 seconds. There were 3 hypopneas with a mean of 25 and a maximum of 37 seconds. The majority of the events occured in REm sleep. THE OVERALL APNEA/HYPOPNEA INDEX WAS 3.4. In REM sleep it was 9.2. In the supine position it was 19.2. The RERA indexs was 10.6. The overall respiratory disturbance index was 14.0.
The lowest oxygen saturation was 90% and the mean ws 97.5%
The were no PLMs.
Now this does not appear to be much of a problem considering his AHI was 3.4. I am on CPAP now and am trying to get down to an AHI of 5.0. What do you think is going on here. I have additional info if you need it. But I think my friend is getting a snow job here and does not really need CPAP. Are there other indicators that is more significant here than what I have shown. If you need more info let me know. He slept most of the first sleep study and they did not put a mask on him. They sugguest he come back and have a CPAP titration done. Sounds kind of wrong to me. What do you think?.
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| Mon Aug 18, 2008 6:50 pm |
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Yawn
Joined: 28 May 2008
Posts: 192
Location: Louisiana
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His AHI goes up when he sleeps on his back and when he's in REM sleep. If he regularly sleeps on his back he needs CPAP.
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CPAP start date: June 4, 2008
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| Tue Aug 19, 2008 7:08 am |
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Todzo
Joined: 15 Jul 2008
Posts: 86
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Hi Alex24!
The overall RDI is a bit hi and the number of RERAs imply possible UARS.
He probably went to the doctor complaining of daytime sleepiness and CPAP would likely reduce the RDI and RERAs and so the daytime sleepiness.
May we all sleep well!
Todzo
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| Thu Aug 21, 2008 3:29 am |
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White Beard
Joined: 20 Sep 2007
Posts: 694
Location: Illinois
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Alex24 I tend to agree with Yawn and Todzo his RDI and RERA's could be the reason, also what was his sleep efficiency rating? and although the number of AI's and HI's were low could the length of time they lasted be a problem? I am not all that familiar with this stuff, but that might make a difference also. Good Luck to You!
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EEP 9.0, min PS 6.0, max PS 16.0
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| Thu Aug 21, 2008 10:43 am |
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CrohnieToo
Joined: 20 Mar 2006
Posts: 3480
Location: Michigan
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There is a certain protocol that must be met to qualify for a split night study despite the doctor ordering a split night. If that protocol is not met then a split night can't be done if one wants insurance to pay for the overnight in-lab study.
As you state, his overall AHI was low - BUT - look at the positional and REM sleep. Look at the number of spontaneous arousals and the number of RERAs. Look at the RDIs.
You are doing your friend a disservice to imply that his sleep study results were dishonest.
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| Thu Aug 21, 2008 2:56 pm |
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Alex24
Joined: 15 Jul 2007
Posts: 65
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Chronie Too.....I have not suggested to him that his sleep study might be dishonest. That was only MY suspicion. That is why I wrote it up here to get opinions from more informed people. You and the others have brought up very important points that I had overlooked. He does not want to do CPAP, thinking that he does not have a problem. He has his write up of the study, but he is not convinced he needs it. I have tried to get him on to this forum so he could ask own questions, but he has not yet tried. I am hoping that I can still convince him to get on and at least read what has transpired here so he can make a more informed decision towards his CPAP. Obviously his doctors will also have to convince him!
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| Thu Aug 28, 2008 10:08 pm |
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RAM_Sleep
Joined: 23 Jun 2008
Posts: 432
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All those arousals and he still ended up with 30% stage 3 sleep? Dang!
He has nothing to lose by getting titrated and seeing if it helps.
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| Thu Aug 28, 2008 10:18 pm |
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