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CA's - Just some questions
I have been on the A10 for near 9mths now with AHI between 0.4 to 3 most of the time. Whilst the sleep study had only 1 CA when I started on the blower I generally got 3-5 CAs during the night that ranged between 10-26 sec.

Reading older threads I noted that many people initially experience this with the CAs eventually subsiding as the body gets used to CPAP.

Now nearly 9mths in my CAs have started to pick up a little where I might still only have around 5 a night the majority are upwards of 20-30sec in duration.

So, whilst this would not appear to represent anything significant I am surprised the incidence of CAs rather than subsiding, started to pick up. Looking at the flow charts it also seems my breathing seems "nomal" and not cheynes stokesish. I tend to take a larger breath before I stop breathing but when I recommence I don't take a large breath but rather continue where I left off.

Just curious whether I am obsessing or whether this is something people think I should care about?
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My feeling, and it is just my feeling. Not an educated guess or any thing else..just a feeling. My feeling is that as far as the length of your CAs, you may be on the edge of something that should be brought up with your doctor. If it were me, I probably would let it run for a while and keep my eye on it. If it did not subside, I would bring it to my doctor.

Best Regards,


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PaytonA passed away in September 2017
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