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Help reading OSCAR data

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bdizzle +0 points · about 1 month ago Original Poster

I'd like some help deciphering the data that I collected for my BiPap session last night. Last night was the longest hat I've kept the mask on and I only remembering waking up once to go to the bathroom.

Despite being able to go ~7.5 hours or so with the mask on last night (and what i felt like was good sleep) i'm very tired today.... so I'm not sure what's going on.

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bdizzle +0 points · about 1 month ago Original Poster

Didn't realized that I was missing some data, so posting it now:

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Sierra +0 points · about 1 month ago Sleep Patron

It looks like you started treatment on September first with a max of 10 cm, and a pressure support (difference between inhale pressure (red trace) and exhale pressure (green trace)) of 4 cm. One September 12th the maximum pressure was increased to 12 cm.

It appears almost all of your apnea events are of the obstructive type (OA), and also there is not many central apnea events (CA). And all of these OA events are currently happening when the pressure is at the maximum of 12 cm.

The first step of the solution would be to increase the maximum pressure in steps of 1 cm and try it for a few days at each to see if OA events are reduced. So try 13 cm first and see if it helps. That very first graph is probably the only one you need to post for now. Posting multiple graphics can delay your post.

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bdizzle +0 points · about 1 month ago Original Poster

Thanks @Sierra! I'm going to start slowly bumping up the max pressure. Should I be striving for 0 events? What should be success metric be? Just overall feeling better?

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Sierra +0 points · about 1 month ago Sleep Patron

The generally accepted treatment standard is to have an AHI of less than 5. Most that are treated acceptably with a CPAP can get below that, and many can get below 1. I used to really struggle to get under 3, while my wife easily gets under 1. I have made some adjustments over time that has allowed me to get just below 1 (most of the time) to average 0.8 or so.

Another thing that I should have mentioned is that some people that get a rapid sequence of obstructive events that may be caused by kinking their neck while sleeping and as a result creating the obstruction. There are fairly inexpensive (about $20) soft cervical collars that can be tried to see if it prevents this rapid sequence of events. About all you can do if you can't resolve it with a reasonable pressure increase is to try it to see if it works or not.

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