New CPAP user - Question on changing response

General Discussion on any topic relating to CPAP and/or Sleep Apnea.
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JustinD9
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Joined: Tue Feb 17, 2015 8:25 pm

New CPAP user - Question on changing response

Post by JustinD9 » Sat Apr 25, 2015 7:24 pm

I have been lurking here for a few months and posted the odd thing, but its only now that I have a question I was hoping to get peoples opinion.

Sorry for my profile not being complete but I am accessing the forum through an IOS app, Tapatalk, and it doesn't allow me to complete a profile. My basics are:
Sleep study API: 17
O2 Nadir: 85%
Virtually all events were not OSA but hypopnea

Me: late forties, 5'11'' 165lbs, fit, etc
symptoms prior to treatment: morning headaches, fatigue, no energy, listless feeling that had been getting worse over last 5 years. I have a 75yo father with sleep apnea (diagnosed 5-10 years ago).

Anyway, I got a Resmed Autoset 10 and have been using a P10 mask (have used N10 and wisp). Initially my API dropped down to 0.7 or less. My symptom relief was virtually after the first night. I have also been able to stop using Nasonex every night which had really masked the problem of morning headaches. So I have heaps more energy,etc.

My question for the more knowledgable is that my AHI has been moving up. Only to around 3-3.7. And, since using the Autoset (set on Auto 5.6-20) I have only experienced CSAs. So, my CSAs have increased but below a therapeutic level - should I be concerned or care and is this normal? It is true that I can get a few awake ones when I first go to bed but generally I get them throughout the night without any real clusters. I am using Sleepyhead/Sleep Master and my pressure typically ranges 6-9.5 and my CSAs typically happen at the lower pressure. I have read in other posts that APAP/CPAP can produce a little bit of CSA. My uneducated view is that I shouldn't fuss but the trend is now not positive (albeit it small) and I value the opinion of people that have seen much more than I have in my 2mths of treatment. I believe I shouldn't worry unless it gets to a clinical level of AHI but I have no basis for this view.

Justin

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LSAT
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Re: New CPAP user - Question on changing response

Post by LSAT » Sun Apr 26, 2015 8:26 am

Your CAs are fine...unless there are huge amounts in clusters. Clear airway apneas are not affected by pressure changes. Pressure helps with obstructed apneas only.

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Pugsy
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Re: New CPAP user - Question on changing response

Post by Pugsy » Sun Apr 26, 2015 10:04 am

It is true that some of the CAs (centrals) flagged by these machines are awake/semi awake breathing irregularities getting a flag when they aren't a "real" central.
It is also true that some centrals are "real" and can happen in sleep stage transition like from awake to asleep. We call these "sleep onset centrals" so they are real but they are normal and don't usually present a problem unless the numbers are excessive, they caused desats or they simply are so numerous a person can't stay asleep.

Even if all your centrals were "real" it's unlikely that there would be enough of them to warrant concern unless you simply couldn't/can't sleep well because of them or desats accompanied them.

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palerider
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Re: New CPAP user - Question on changing response

Post by palerider » Sun Apr 26, 2015 10:10 am

JustinD9 wrote:generally I get them throughout the night without any real clusters. I am using Sleepyhead/Sleep Master and my pressure typically ranges 6-9.5 and my CSAs typically happen at the lower pressure.
(it's CA, not CSA, CSA is the condition, CA is the event).

I've got a gadget that plugs into the back of a s9 machine, and lets me see the data in real time, when watching a friend's data, I noticed that most every time he'd turn over in his sleep, he'd stop breathing, and often, if it took him long enough to settle, the machine would flag a central.

pretty much the only time it happened was when he was moving around.

I'd heard that it was common to hold one's breath while rolling over, moving around, etc, in sleep... but now I've seen it

the moral of the story, onsie twosie centrals are best just ignored.

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yaconsult
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Re: New CPAP user - Question on changing response

Post by yaconsult » Sun Apr 26, 2015 10:37 am

OK, now I'm curious. What is that "gadget" called? I assume it plugs in in place of the sdcard to be able to read the data in real time that would normally be written to the card? What is the target market for such a device?

I have often thought when turning over or making other movements in bed that we take a breath and then hold it while exerting ourselves in some way so that it looks like a breathing issue to the cpap machine. So, I tend to ignore such things in sleepyhead if they are at the start or end of the night - during the getting to sleep and waking up phases.

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palerider
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Re: New CPAP user - Question on changing response

Post by palerider » Sun Apr 26, 2015 12:11 pm

yaconsult wrote:OK, now I'm curious. What is that "gadget" called? I assume it plugs in in place of the sdcard to be able to read the data in real time that would normally be written to the card? What is the target market for such a device?
oh, just something I picked up on craigslist.

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JustinD9
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Re: New CPAP user - Question on changing response

Post by JustinD9 » Sun Apr 26, 2015 3:05 pm

Great. Thanks for the feedback. Now I don't have to obsess over this now as I wasn't sure but thought I should ask. I am lucky to have found this group.

Justin

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yaconsult
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Re: New CPAP user - Question on changing response

Post by yaconsult » Sun Apr 26, 2015 5:45 pm

palerider wrote:
yaconsult wrote:OK, now I'm curious. What is that "gadget" called? I assume it plugs in in place of the sdcard to be able to read the data in real time that would normally be written to the card? What is the target market for such a device?
oh, just something I picked up on craigslist.
What's it called?

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Mask: AirFit™ P10 Nasal Pillow CPAP Mask with Headgear
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palerider
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Re: New CPAP user - Question on changing response

Post by palerider » Sun Apr 26, 2015 7:03 pm

yaconsult wrote:
palerider wrote:
yaconsult wrote:OK, now I'm curious. What is that "gadget" called? I assume it plugs in in place of the sdcard to be able to read the data in real time that would normally be written to the card? What is the target market for such a device?
oh, just something I picked up on craigslist.
What's it called?
check your PMs.

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Mask: Bleep DreamPort CPAP Mask Solution
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Get OSCAR

Accounts to put on the foe list: dataq1, clownbell, gearchange, lynninnj, mper!?, DreamDiver, Geer1, almostadoctor, sleepgeek, ajack, stom, mogy, D.H., They often post misleading, timewasting stuff.