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Central Sleep Apnea

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LaLaPorte +0 points · about 2 months ago Original Poster

How to manage central sleep apnea on CPAP?

I am using a fixed pressure of 10.

Last night I had 8 central apnea events and 0 obstructive.

The night before I had 11 central sleep apnea events and 0 obstructive.

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Sierra +0 points · about 2 months ago Sleep Patron

I suffer from central apnea and the strategy I use is to set the machine to the fixed pressure CPAP mode, and use the lowest pressure possible, that still prevents most of the obstructive events. What you could try is stepping down the pressure 1 cm and try it for a week to see if CA's go down and OA's do not come up to much. I would suggest no less than a week at a pressure to see what it really achieves. I find central apnea to be erratic from night to night.

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LaLaPorte +0 points · about 2 months ago Original Poster

Perfect will do!

Is there any way to see the duration/length of each individual central apnea event?

I imagine that would inform how best to balance central and obstructive apneas.

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Sierra +0 points · about 2 months ago Sleep Patron

The best way is to download OSCAR and display the results on your SD card providing you have either an Elite CPAP or AutoSet model. The very basic CPAP does not record this data. You will need a SD card reader and PC or Mac to use the software. I like to look at the Overview tab to see the events for each day. You can get a good idea from that how many of each type of event you are having each day. Here is an example. See the top bar chart. Magenta are CA events, light blue is OA, and dark blue are hypopnea events. You can also see how erratic the event frequency is. I go in stretches where CA's are close to zero, and then times when they exceed 1. My long term total AHI now is 0.8, with about .25 of that OA's and 0.5 CA.

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