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Problem with Autosense 10 central apnea detection
#11
(05-13-2016, 07:57 AM)johnthesleeper Wrote: I also have a severely deviated septum and enlarged turbinate. I refused the septoplasty and turbinectomy based on the volume of crappy comments on the possibly debilitating effects of turbinectomy and because I was prescribed a steroid spray that really helps me breathe better. I said to myself I would try to treat the apnea without the operation and if I fail then I could always get it. But now, I realize that my apnea is pretty high and if I can't treat it first, then the anasthesia would be dangerous so I'm caught in a chicken/egg type situation. Yesterday my nose was more blocked than usual and I was unable to tolerate the mask. Didn't even get to the pulse arousal stage. richb I know you've had the turbinectomy do u have any suggestions for me?

We share a problem. If you can't breathe you can't use the machine. I as well as several other members of this Forum suffer from stuffy/clogged noses at night. For some people, including me, nasal turbinates swell when you lay down to sleep. I had the turbinoplasty and I can say that it was mostly successful. My nose still clogs up most nights. I get up and use saline spray and wait until it unclogs enough to use the machine. I also use steroid spray and antihistamines at bed time. Prior to the surgery I was using a combination of Afrin and Steroid spray. I used the Afrin on just one side for 3 nights and switched to the other side for 3 nights. I had minimal to no rebound from the Afrin that way. Since the surgery I have been able to just about eliminate the Afrin use. That was the goal of the surgery. By the way anaesthesiologists know how to deal with breathing issues. I had a problem with low blood pressure during surgery. The anaesthesiologist dealt with that issue just fine. Another Apnea Board member swears by the Afrin use. No ENT will suggest you use Afrin regularly. Afrin causes nasal irritation and rebound swelling. I found a way to deal with the rebound but if you ask your Dr. my solution would not be recommended.

Rich
Apnea Board Member RobySue has posted a Beginners Guide to Sleepyhead Software here:  http://www.apneaboard.com/wiki/index.php...SleepyHead

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#12
(05-13-2016, 07:01 AM)johnthesleeper Wrote: Yesterday I tried to use the ramp but it doesn't disable the pulse

Ramp will not activate unless the ramp Start Pressure is lower than the Min Pressure.

Quote:Does anybody know of a good comfortable machine that does not pulse?

The Philips Dreamstation detects CA versus OA differently, with a single pressure pulse. Perhaps you would find it less annoying.

Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment. The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies - not on matters concerning treatment for Sleep Apnea. I think it is now too late to change the name of the group but I think Voting Member group would perhaps have been a more descriptive name for the group.
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#13
thank you vishline , I will try to get my hands on a dreamstation and try it out, sounds like a single pulse is just what I need.

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#14
Richc, I am intrigued by your comment that the FOT is imperceptible. If I lie down awake with the mask and just hold my breath for 10 seconds, the mask starts to bounce on my face in a very perceptible manner and the graph shows the oscillations in pressure, it doesn't feel to me like imperceptible ultrasounds. Anyway I will post my data tomorrow...

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#15
(05-14-2016, 10:48 PM)johnthesleeper Wrote: Richc, I am intrigued by your comment that the FOT is imperceptible. If I lie down awake with the mask and just hold my breath for 10 seconds, the mask starts to bounce on my face in a very perceptible manner and the graph shows the oscillations in pressure, it doesn't feel to me like imperceptible ultrasounds. Anyway I will post my data tomorrow...

G'day John. This is what the FOT looks like - a small, relatively high frequency change in pressure. It's not ultrasound. I'm very surprised that it is disturbing you - it is a very small amplitude change and most people aren't aware of it. It certainly shouldn't make your mask "bounce" on your face...

   
DeepBreathing
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#16
(05-14-2016, 10:48 PM)johnthesleeper Wrote: Richc, I am intrigued by your comment that the FOT is imperceptible. If I lie down awake with the mask and just hold my breath for 10 seconds, the mask starts to bounce on my face in a very perceptible manner and the graph shows the oscillations in pressure, it doesn't feel to me like imperceptible ultrasounds.

It's at around 4 Hz. I believe, that's not ultrasound it's infra-sound. I have never noticed it in two years of daily use.
Ed Seedhouse
VA7SDH

The above is my opinion.  It is just possible that I may, occasionally, be mistaken.

I am neither a Doctor, nor any other kind of medical professional.

Everything put together sooner or later falls apart.
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#17
(05-14-2016, 11:29 PM)DeepBreathing Wrote:
(05-14-2016, 10:48 PM)johnthesleeper Wrote: Richc, I am intrigued by your comment that the FOT is imperceptible. If I lie down awake with the mask and just hold my breath for 10 seconds, the mask starts to bounce on my face in a very perceptible manner and the graph shows the oscillations in pressure, it doesn't feel to me like imperceptible ultrasounds. Anyway I will post my data tomorrow...

G'day John. This is what the FOT looks like - a small, relatively high frequency change in pressure.

1cm, 4hz.
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#18
(05-14-2016, 11:31 PM)palerider Wrote:
Quote:G'day John. This is what the FOT looks like - a small, relatively high frequency change in pressure.

1cm, 4hz.

And this is about one tenth of one percent of ambient air pressure at sea level.

Ed Seedhouse
VA7SDH

The above is my opinion.  It is just possible that I may, occasionally, be mistaken.

I am neither a Doctor, nor any other kind of medical professional.

Everything put together sooner or later falls apart.
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#19
Ok I put the ramp to 45 min and yesterday I was able to use the mask for 8 hours! Was awake some of the time but mostly asleep and I wasn't aware of the pulse. My original sleeping test was AHI 25, mostly OSAs and some hypo. Now my graph shows only 0.51 OSA but 6.98 of CAs so I assume those are cpap induced CAs? I'm encouraged by the graph but although my AHI went down and I felt like I was sleeping most of the time, today I really feel like crap. Dizzy, tired and short of breath. Here is a snapshot of those CAs, should I just wait for these to subside on their own...
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#20
(05-15-2016, 10:23 AM)johnthesleeper Wrote: Ok I put the ramp to 45 min and yesterday I was able to use the mask for 8 hours! Was awake some of the time but mostly asleep and I wasn't aware of the pulse. My original sleeping test was AHI 25, mostly OSAs and some hypo. Now my graph shows only 0.51 OSA but 6.98 of CAs so I assume those are cpap induced CAs? I'm encouraged by the graph but although my AHI went down and I felt like I was sleeping most of the time, today I really feel like crap. Dizzy, tired and short of breath. Here is a snapshot of those CAs, should I just wait for these to subside on their own...

Hi johnthesleeper,

Uh oh. Looks like you have a degree of Complex Apnea. That is a combination of OSA and CA. Your sleep study showed the OSA and Hypopnea. It is very difficult to tell if Hypopneas are caused by Obstructive events or by Central events. It looks like (to me) that you have successfully treated the Obstructive events but in the course of that treatment you have converted the Hypopneas to Centrals (Clear Airway). These Centrals are probably responsible for how you are feeling in the AM. As I recall your pressures are fairly low. In my case the higher the pressure the more Centrals I experienced. The solution is very likely an ASV machine. That is an Auto Servo Ventilator machine such as the Aircurve 10 ASV. You usually don't qualify for such a machine until you fail with a standard CPAP or BiPap machine. Keep posting and expect some more discussion about your situation. You may find some suggestions that will try to address the Centrals with some machine adjustments. Try these before you start the process of geting an ASV machine.

Rich
Apnea Board Member RobySue has posted a Beginners Guide to Sleepyhead Software here:  http://www.apneaboard.com/wiki/index.php...SleepyHead

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