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If the CPAP works for you, what is your expected AHI?
#51
RE: If the CPAP works for you, what is your expected AHI ?
[quote= Sleeprider & OpalRose']


I have set the pressure range at : 10-16 cm H2O & used the soft cervical support for the past few days . The AHI  readings are very encouraging , ranging from 0.  to 2.8  . But I still have to deal with intermittent air leak from the mouth . Last night,  wearing the soft cervical support, I lowered the pressure to :  4 - 6 cm H2O  range and got excellent results :  no air leak  and AHI = 0.2   !!    I'll  continue with this pressure setting for another few days to ensure it's not a fluke . 

Another theoretical question arises: from the health benefit viewpoint, is it better to have low AHI at low pressure or low AHI at higher pressure ?

Let me explain my question by an example :    now  I get  AHI = 0.2  at Pressure range : 4-6 cm H2O without air leak  .  If  I still get  AHI =0.2  but at pressure range 8-10 cm H2O without air leak . Which pressure range should I use then  ( i.e.  4-6 cm H2O  or 8-10 cm H2O ) ?

Please comment & advise .  Thanks .
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#52
RE: If the CPAP works for you, what is your expected AHI ?
Tommy, we use CPAP to keep the airway patent and avoid the sleep disruptions as well as the apnea that occur without therapy. The lowest pressure that provides you the most comfortable sleep and controls your apnea is what you want to shoot for. In your case, much of your obstructive problem appears to have been positional, and that was mostly resolved with the soft cervical collar. The residual apnea and obstruction may be responsive to lower pressures than you thought possible. All I can suggest is that you try lower pressure and we can take a look at the data to see if everything looks good. I suspect it won't change things like tidal volume or respiratory rate, so if it makes you sleep better as a result of less leaks, it's a great solution for you.
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#53
RE: If the CPAP works for you, what is your expected AHI ?
Wow !!  I am so lucky today with your lightning quick response   !!  Just unbelievable ...  Too-funny

Thanks for your precious advice   Thanks
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#54
RE: If the CPAP works for you, what is your expected AHI?
Tommy,
It’s not easy to answer your question as to which pressure range you should use, but if it were myself...I would go with the lowest possible range and still have a low enough AHI, a low leak rate, but most important would be how I felt.

I’ve had mornings with  low AHI’s, some 0’s  and some .2, but felt like crap, so my suggestion is to stick with what causes you to feel rested.

Give your settings at least 4-5 days before making further changes. If your using the lower pressure range and after a couple days, you start to see an increase in obstructives, then raise your minimum pressure .5 at a time. Eventually, you’ll reach that sweet spot.
OpalRose
Apnea Board Moderator
www.ApneaBoard.com

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#55
RE: If the CPAP works for you, what is your expected AHI?
(09-05-2018, 08:19 AM)OpalRose Wrote: ..............
I’ve had mornings with  low AHI’s, some 0’s  and some .2, but felt like crap, so my suggestion is to stick with what causes you to feel rested.

................


Great advices !   I will implement SleepRider's  & your advicea for an optimum course of action for sure .
Thanks , OpalRose for your kind help .   Thanks
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