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[Equipment] Help With S9 VPAP Auto Settings
#21
I do not suffer from aerophagia but my thoughts are as follows. It appears from what I have seen written that with aerophagia one wants to reduce the average pressure while maintaining enough pressure to reduce OAs. The auto mode and bi-level should both be instrumental in accomplishing this and it becomes a matter of finding the right combination, which is what both of you are doing. I think there is probably a threshold PS beyond which little is gained and some may be lost due to the increasing pressure jump to inspiration. One thing you might also look at, since there is no rise time adjustment in auto mode, is Ti(max). The factory default setting for Ti(max) is 2.0 seconds. I believe it is in the clinical manual that there is a table of suggested Ti(max) and Ti(min) settings based on normal respiratory rate and the Ti(max) settings are mostly below 2.0. Reducing this to the suggested setting might limit your time at IPAP thus reducing the time weighted average pressure possibly to the benefit of the aerophagia.

Best Regards,

PaytonA
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#22
After six weeks of auto bi-level therapy I'm happy to report a great deal of success. I now have Max IPAP at 13.6, Min EPAP at 5.8, and PS at 4.2. This allows me to start out at a IPAP of 10 and have it increased as needed. It occasionally goes above 12 and rarely above 13. I am only very rarely aware of air-swallowing and there is no gas.

My AHI stays between 0.3 and 3.0. It's never been this low. Smile
Sleepster
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#23
Hi Sleepster,
CONGRATULATIONS!
good news. It's great to hear that you have had such good success. I know you have been working on this for quite a while, keep up the good work.
trish6hundred
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#24
(08-09-2014, 09:36 PM)Sleepster Wrote: After six weeks of auto bi-level therapy I'm happy to report a great deal of success. I now have Max IPAP at 13.6, Min EPAP at 5.8, and PS at 4.2. This allows me to start out at a IPAP of 10 and have it increased as needed. It occasionally goes above 12 and rarely above 13. I am only very rarely aware of air-swallowing and there is no gas.

My AHI stays between 0.3 and 3.0. It's never been this low. Smile

Hi Sleepster,

What are your settings for Trigger sensitivity (lower setting means later/delayed transition to IPAP after start of inhalation) and Cycle sensitivity (lower setting means later/delayed transition to EPAP near end of inhalation)?



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#25
(08-10-2014, 12:10 AM)vsheline Wrote: What are your settings for Trigger sensitivity (lower setting means later/delayed transition to IPAP after start of inhalation) and Cycle sensitivity (lower setting means later/delayed transition to EPAP near end of inhalation)?

I've just left those at the default settings, Vaughn. I haven't had the inclination to play around with them yet.
Sleepster
Apnea Board Moderator
www.ApneaBoard.com


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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