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Understanding ResScan CPAP reports
On Resmed's RealSleep uk site, I've just come across a sample CPAP report for an S9. If I've understood the report correctly it looks as if the minimum pressure was set at 4 and maximum at 20, and if I remember correctly the report covered 38 days of machine use. Are Resmed suggesting it is OK to keep the pressure settings wide open?
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Replies to This Discussion
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Permalink Reply by Tigers Fan on
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Yes, they are! Some people actually do it - but they seem to average very low pressures <10 or 11. For higher pressure users of APAP - more likely to have 'strong' events - it seems best to raise the Pmin a lot and lower the Pmax a bit.
Hmmm. That's a generic APAP answer - mayhap the S9 has a magical algorithm?
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Permalink Reply by Lisa on
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A magical algorithm - now that would be something. Still the machines are getting cleverer, much better than what I remember from 15+ years ago.
I have been using an S8 Spirit11 for the last 6 months. In the beginning I had it set wide open 4 to 20. (On straight CPAP I would be about 13.4). Over several months use the AHI came down to about 5, but not below, mostly hypopneas. I don't have the software to check nightly flow readings at home, but I had several check-ins with my sleep clinic, which showed I did a lot of breath holding. I suspect that I increase the breath holding if I have too much air coming at me, but I don't know this for certain.
Does breath holding morph into central apnoeas for some individuals?
Over the last few months I have raised the Pmin in stages and brought the Pmax down to 18. Pmin is now at 12.4. Each time I moved the Pmin, my AHI would rise a bit before dropping after a few days. The previous setting I was using was the first that took my AHI below 5. The 12.4 setting is still giving a higher reading than 5, but dropping daily. So, as you see, I am a work in progress!
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Aren't we all a work in progress!! I think PAPing is much like a woman's work .........
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Permalink Reply by RockRpsgt on
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Lisa, Breath holding or swallowing do not morph into centrals. These natural events may however be counted as breathing events by the Resmed algorithm. I have been told NOT to put so much emphasis on the HI in your particular machine for this reason.
Lisa said:A magical algorithm - now that would be something. Still the machines are getting cleverer, much better than what I remember from 15+ years ago.
I have been using an S8 Spirit11 for the last 6 months. In the beginning I had it set wide open 4 to 20. (On straight CPAP I would be about 13.4). Over several months use the AHI came down to about 5, but not below, mostly hypopneas. I don't have the software to check nightly flow readings at home, but I had several check-ins with my sleep clinic, which showed I did a lot of breath holding. I suspect that I increase the breath holding if I have too much air coming at me, but I don't know this for certain.
Does breath holding morph into central apnoeas for some individuals?
Over the last few months I have raised the Pmin in stages and brought the Pmax down to 18. Pmin is now at 12.4. Each time I moved the Pmin, my AHI would rise a bit before dropping after a few days. The previous setting I was using was the first that took my AHI below 5. The 12.4 setting is still giving a higher reading than 5, but dropping daily. So, as you see, I am a work in progress!
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