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CorruptAlligator - CPAP Problems
#51
RE: CorruptAlligator - CPAP Problems
I agree you are probably set to auto. There is a very brief break during ramp at the beginning, then when you started again, the pressure went up very quickly as sleep breathing was detected. It must be the way Oscar is getting the settings.

When it comes to feeling better, we are all different, and many members can take a long time to realize the subtle improvements have made a difference in how they feel. Here is a comment by a member after a couple months http://www.apneaboard.com/forums/Thread-...you--31800 When you think about treating any long-term condition, it can be difficult to track how you really feel and where you stand with regard to full recovery. I don't want to discourage you, but the majority of members we help here don't wake up the next day and feel great! Results seem to be more gradual, and having realistic expectations might help you with the patience you will need to persevere.
Sleeprider
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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#52
RE: CorruptAlligator - CPAP Problems
Just checked and the setting is on Auto.

Question, how do you determined what pressure to recommend based on the chart? The member you posted link to uses minimum pressure of 5, but I was recommended higher, why is that? How come somw people are recommended EPR of 0, but some like me 3? EPR of 3 seems to work really well for me, but how was this determined?
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#53
RE: CorruptAlligator - CPAP Problems
Centrals are made worse (more) with an increase between the exhale and inhale pressure. EPR (exhale pressure relief) takes down the exhale pressure to make it easier to exhale. But that increases the difference between exhale and inhale pressure and can cause more centrals.

People that do not show many centrals are advised to raise the EPR while people having more centrals are advised to lower EPR.

A benefit of EPR is it helps with flow limitations so for some it is suggested to raise the EPR of flow limitations seems to be effecting sleep.
Apnea (80-100%) 10 seconds, Hypopnea (50-80%) 10 seconds, Flow Limits (0-50%) not timed  Cervical Collar - Dealing w DME - Chart Organizing
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#54
RE: CorruptAlligator - CPAP Problems
All the various pressures and other settings are based on the individual's needs. Some of this is determined by sleep study data, titration, OSCAR usage data.

If someone has lots of CA we're going to minimize Ramp and EPR as those make events higher. Min pressure needs vary per person as well. Myself, I look for trends they I can see what the results from seeing one person's PAP a certain way results in x. If the next person is similar, I may suggest the same action, then see what happens. If it's good on result OK. But if the result is not good, we back up a step and try a different action. So a lot is seeing many posts and digging out trends to this. Some is also applying my own actions for my therapy into others that are in a similar therapy need.
Dave

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INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#55
RE: CorruptAlligator - CPAP Problems
Just out of curiosity, EPR is related to exhale right? It's the relief of pressure for exhale, and since you cannot have two values of pressure at the same time, the inhale and exhale pressure are timed in a cyclical manner right? Like, pressure of 7 for inhale, and then pressure of 7 - 3 = 4 (5 since lowest machien pressure is 5) during exhale cycle. If so, the rythem of this cycle timing carried out by the APAP that I have to follow? I have to inhale when it makes me, and exhale when it makes me?

Because I've been having issues with abrupt pressure inhale in times of when I'm in the verge of falling asleep, and I think it's due to rythem of my breathing changing at the point of when I'm about to fall asleep, and perhaps not in sync with APAP's inhale/exhale rythem. This is causing sleep disturbance.

So, what I'm saying is, when I get this abrupt pressure inhale, it is due to my rythem of breathing out of sync with the machine's? Because the high EPR setting has to bring the pressure by up to 7. I maybe out of sync when I want to exhale at a moment, the machine's state of rythem is inhale of pressure of 7, and causing an abrupt pressure that disturbs my sleep?

Let's say my EPR was set to 0. The pressure will not lower in a cycle. There would be no low pressure/high pressure cycle to accommodate exhale. Then, there will be nothing I have to be in sync, so I do not have to be in sync, so therefore, I will never be out of sync and get a abrupt high pressure inhale when I expect to exhale?

When I had my EPR at 2, my AHI goes up, but perhaps I don't run into this abrupt sleep disturbance?
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#56
RE: CorruptAlligator - CPAP Problems
You can change settings to whatever you feel that you must to maintain comfort. The pressure differences can be disturbing if you're not used to it, but realistically these are on the low end of CPAP therapy. But to keep it in perspective, for you these may feel higher if again you're not used to it. The 20 CPAP setting that I was supposed to get used to was very difficult with no support in understanding. No I didn't make that one succeed, but hindsight says I should have tried a bit harder.

Unless I'm mistaken, your inhale and exhale are spontaneous on the AutoSet. This means it's contingent upon breath input from you. This isn't timed breathing as in an ST machine where it may be either spontaneous or timed.
Dave

OSCAR
Standard OSCAR Chart Order
Mask Primer
Dealing With A DME
Soft Cervical Collar Wiki
INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#57
RE: CorruptAlligator - CPAP Problems
CorruptAlligator, the best way to visualize EPR is to look at Mask pressure and Flow rate in close proximity on the charts. With Resmed, being out of sync just doesn't happen because the increase in pressure during inspiration follows the spontaneous effort and immediately responds if you hesitate during inspiration. EPR is identical to pressure support of the Aircurve bilevels but limited to 3-cm.  When we refer to IPAP and EPAP on a Resmed CPAP it is exactly the same as the Aircurve 10 VPAP.  Tis is not true of the Philips CPAPs which provide expiratory pressure relief, but return to CPAP pressure before inspiration begins. The difference is significant, and it is far more likely you will be out-of sync with a Philips CPAP using Flex than a Resmed CPAP using EPR.  Anyway, this is the kind of view to look at. Notice how mask pressure exactly matches the respiratory flow rate leading it.

[Image: attachment.php?aid=9631]
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
Download OSCAR Software
Soft Cervical Collar
Optimizing Therapy
Organize your OSCAR Charts
Attaching Files
Mask Primer
How To Deal With Equipment Supplier


INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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