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New machine, better results?
#11
RE: New machine, better results?
[attachment=45664 Wrote:OpalRose pid='458915' dateline='1667913968']             Can you show us a chart for last night?  The last one you posted from 10/31 shows mostly positional apnea.  Unless you can get that under control, there's not much good a pressure increase is going to do.

Hi OpalRose

Sure, here are the charts from the last two nights.:

       

Positional apnoea could well be a factor. I often awake lying almost on my stomach. I think this involves the neck being a bit twisted.

Also when I turn over to sleep facing away from the side where my machine is, it seems to result in an increase in ANother sleep disorder I suffer from, namely Restless Legs Syndrome. I suspect this as my legs from the knees down are almost rictus - i.e. the calf muscles are tensed.

The results with this machine are really encouraging, with both these nights' AHIs being below five, and thus allegedly "cured".

Despite this, and even if my AHI was zero, I think I'd still have chronic fatigue, both from the restless legs and as a result of other conditions/medication I am on, such as BP meds.

Sorting these issues as much as possible has taken on new importance. At the beginning of this year I suffered an aortic dissection.

Nevertheless, this leaves me at risk of a further dissection and obviously keeping blood pressure down and keeping in as good shape as possible is vitally important.
Respironics Dreamstation Auto CPAP ay 8 cm. fixed pressure.

Resmed AirFit F230 mask. 
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#12
RE: New machine, better results?
Thanks for posting.  The chart from Nov. 8 isn't bad at all.  Yes, you do show some positional apnea, but the clump of Obstructives in the early morning hours is more than likely sleep-wake-junk and can be dismissed.

Although suffering from RLS can't be easy.  You must have a lot of restless nights.  

If you're feeling better with this machine, then keep on with it.  Keep tabs on the leaks.
OpalRose
Apnea Board Administrator
www.apneaboard.com

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#13
RE: New machine, better results?
(11-09-2022, 08:10 AM)OpalRose Wrote: Thanks for posting.  The chart from Nov. 8 isn't bad at all.  Yes, you do show some positional apnea, but the clump of Obstructives in the early morning hours is more than likely sleep-wake-junk and can be dismissed.

Although suffering from RLS can't be easy.  You must have a lot of restless nights.  

If you're feeling better with this machine, then keep on with it.  Keep tabs on the leaks.

Thanks Opal. Yes, the RLS is actually harder to treat than apnea. I know a few people suffer from both conditions.
Respironics Dreamstation Auto CPAP ay 8 cm. fixed pressure.

Resmed AirFit F230 mask. 
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#14
RE: New machine, better results?
Here are two charts from the last few nights.

For some reason notifications were switched off, hence the delay in replying. I hope I have answered all questions (apart from why I switched machines. This is because the sleep nurse decided it, owing to a new NHS guideline, apparently, where people whose hera[y is not working on BiPAP have to go back to square one and use a CPAP machine. And I feel it is working better based on the lower AHIs.

Here are charts from the last two nights. As was suggested, the pressure jas been raised (by 2cm) by my sleep nurse.

Something I would really value an opinion on is whether the charts show why I am waking every night now after nightmares where I am getting more and more tired but am being prevented from sleeping. This always seems to coincide with my legs being tensed up (I have Restless Legs Syndrome) and often have been sleeping on my arm or hand. 

I never had this regularly with the old machine and it is making me doubt tuis CPAP.

   

   
Respironics Dreamstation Auto CPAP ay 8 cm. fixed pressure.

Resmed AirFit F230 mask. 
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#15
RE: New machine, better results?
My AHI has gone haywire.

I was getting on really well with my new machine. Regularly recording an AHI <5, e,g:

   

But over the past six weeks or so it has been a horror story. Even leaving out the nights with much insomnia, I have been hitting the 20s and 30s regularly. This has coincided with a period of high anxiety (about surgery).

However, the anxiety has lessened over the past week but scores are still high. e.g. 

   

Can anyone see a reason for this?
Respironics Dreamstation Auto CPAP ay 8 cm. fixed pressure.

Resmed AirFit F230 mask. 
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#16
RE: New machine, better results?
I hope someone with more expertise can comment both on your AHI and on the prevalence of BND. In the meantime, I'll just mention that it'd be helpful if you included all and only these graphs:

Events
Flow rate
Pressure
Leaks
Snores.
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#17
RE: New machine, better results?
Okies, the five frame you list are now the top five in my chart.

Why no AHI though?
Respironics Dreamstation Auto CPAP ay 8 cm. fixed pressure.

Resmed AirFit F230 mask. 
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#18
RE: New machine, better results?
The AHI graph just shows the distribution of events throughout the night, and that information is available via the Events graph, with more useful information.
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#19
RE: New machine, better results?
    Well, the BND fest turned put to be nothing more complicated than a blocked filter, now rectified. 

However, I am consistently hitting an AHI of around 11. Last night was typical. Mostly OSA events.

Any suggestions as to what I can do? Should the pressure be higher?
Respironics Dreamstation Auto CPAP ay 8 cm. fixed pressure.

Resmed AirFit F230 mask. 
Post Reply Post Reply
#20
RE: New machine, better results?
PR machines are designed to respond fairly conservatively to obstruction in the airway. You might try a minimum of 15 to see whether that heads off any obstructive events.

However, there's a strong suggestion in your chart of a positional problem, which higher pressure will not fully resolve. I suspect you are tucking your chin toward your chest during the night. Ideally you would sleep on your sides with a fairly low and flat pillow, using a soft cervical collar to keep your neck in alignment.
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