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Low Oxygen Levels On VPAP
#21
RE: Low Oxygen Levels On VPAP
(12-24-2018, 10:21 AM)airbusA346 Wrote: I forgot to mention another reason I was put onto the Lumis was to give my body a rest during the night.

Can you develop ?
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#22
RE: Low Oxygen Levels On VPAP
The question is not have you ever been diagnosed but if you have Central/Mixed/Complex Apnea.  Even with these most are diagnosed as Obstructive Apnea.  That is one reason why we like to see charts, and FULL copies of Sleep Studies (because the summaries usually say OA even when a substantial portion of events in a sleep study say otherwise)
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#23
RE: Low Oxygen Levels On VPAP
Resmed ASV is called Pacewave CS in EU.
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#24
RE: Low Oxygen Levels On VPAP
(12-24-2018, 09:25 AM)airbusA346 Wrote:
(12-24-2018, 09:17 AM)Sleeprider Wrote:
(12-24-2018, 08:35 AM)airbusA346 Wrote: The reason I've been put on ST mode is because I don't take enough breaths myself while asleep, which means I retain carbon dioxide.

My back up rate is currently 18.  Back in March 18, when I was switched from APAP to the Lumis it was 15 and since then it has been raised to it's current level (it's been at 18 since the end of June).

If your problem is central apnea (not taking enough breaths), the answer is ASV (adaptive servo ventilation). It resolves both obstructive and central apnea as well as maintains respiratory volume.  The problem with your current therapy is the 16 cm of pressure support completely suppresses your own respiratory drive. The ASV will provide only as much pressure support as you need, only when you need it, and it is smart enough to maintain your respiratory rate and volume.  I just can't emphasize enough how wrong and unatural your therapy is.

I've never been diagnosed with central apnoea, just obstructive.  As far as I understand, my natural respiratory drive decreases too much during sleep.  

I don't think ASV is widely used in the UK... I might be wrong though...

 My trust won’t provide an ASV without a special application so I purchased my own ASV second hand from the US I was prescribed an ST machine but it was not comfortable and failed to adequately reduce my Hypopnoea. If you have access to your sleep study’s it might be useful to post here I was diagnosed with obstructive sleep apnoea however in my original overnight study and a subsequent overnight study in the local hospital I had an element of Central Apnoea during REM Sleep.
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