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Re: Are you on a Bi-Level machine and if so why?
Posted: Wed Apr 25, 2018 1:07 pm
by BTS
Chalkie wrote: ↑Wed Apr 25, 2018 12:16 pm
Whether I eventually get an ASV or not I suspect I will have to persevere with BiPAP for a while. It does not appear the pressure settings are right for me so I need to deal with that first and I am sure as hell the hospital won't hand me an ASV until I have. I understand it would have to be under special dispensation anyway.
Yes you have to show BiAP is not working or getting rid of the Centrals while keeping up with compliance ... and have a script for ASV written ...
Re: Are you on a Bi-Level machine and if so why?
Posted: Wed Apr 25, 2018 5:17 pm
by MrsRinPDX
I have a BiPAP because of the four cm difference in my pressures. (I could not tolerate a straight CPAP.) I do not have a centrals problem.
Re: Are you on a Bi-Level machine and if so why?
Posted: Thu Apr 26, 2018 4:09 am
by Holden4th
palerider wrote: ↑Tue Apr 24, 2018 11:48 am
I'm on bilevel, but it's because I was looking for an autoset, and came across a sweet deal on a vpap auto, after some research, I found out that it could be set up to work exactly like an autoset, so I bought it.
Then I found some times when I was starting to take a breath before an apnea, and the machine wasn't switching to ipap, so I took advantage of the resmed bilevel customizations and increased the trigger sensitivity, so it could help me breathe when my throat started to close up, ... and also that it was cutting off the higher pressure a lot of times when I was breathing slowly, so I changed the max time it would stay at IPAP. Having those customizations, which aren't available on a regular apap gave me better sleep. (AHI usually under 0.5).
This is basically the reason I decide to go BiPAP/Bilevel. Like PR I was looking for a better APAP machine and after researching I found out that I could get even better results using bilevel and I could set it to APAP if I wished. However, having more control over my IPAP and also my EPAP to some extent convinced me to give it a try. I started with the PR760 but eventually moved on to the same machine as PR. The S9 VPAP auto works very well for me.
PR, I'd be interested to see how you customised your settings. Like you I've increased the IPAP max time but am not sure about trigger settings. You can PM me but other members will find what you did helpful.
Re: Are you on a Bi-Level machine and if so why?
Posted: Thu Apr 26, 2018 1:48 pm
by palerider
Holden4th wrote: ↑Thu Apr 26, 2018 4:09 am
PR, I'd be interested to see how you customised your settings. Like you I've increased the IPAP max time but am not sure about trigger settings. You can PM me but other members will find what you did helpful.
I saw little bumps in the flow like I was trying to take a breath, but the machine wasn't catching it, so I set the trigger to high, then very high, and that helped stopping some apneas.
I then noticed my inspiration time on sleepyhead, and saw that it was being cut off at the default 2 seconds, so I raised the TiMax until it was higher than the inspiration times on sleepyhead... this took a few iterations... whether it actually helped anything, or not, I don't know.
Re: Are you on a Bi-Level machine and if so why?
Posted: Thu Apr 26, 2018 6:05 pm
by DxRxTx
I've been in PAP therapy for almost eight years. I was Rx Auto BiPAP and a full face mask because I'm a mouth breather with huge lungs. I think the BiPAP was more for the exhalation relief than the inhalation necessity. I have bumped it over 20 cm on occasion.
Re: Are you on a Bi-Level machine and if so why?
Posted: Fri Apr 27, 2018 2:22 am
by Holden4th
palerider wrote: ↑Thu Apr 26, 2018 1:48 pm
Holden4th wrote: ↑Thu Apr 26, 2018 4:09 am
PR, I'd be interested to see how you customised your settings. Like you I've increased the IPAP max time but am not sure about trigger settings. You can PM me but other members will find what you did helpful.
I saw little bumps in the flow like I was trying to take a breath, but the machine wasn't catching it, so I set the trigger to high, then very high, and that helped stopping some apneas.
I then noticed my inspiration time on sleepyhead, and saw that it was being cut off at the default 2 seconds, so I raised the TiMax until it was higher than the inspiration times on sleepyhead... this took a few iterations... whether it actually helped anything, or not, I don't know.
I worked out the Ti Max thing quite quickly for the same issues that you experienced. However, when I looked at the trigger settings I wasn't which direction to go in - high or low. Now I know and will see what happens when I go from medium to high. If it doesn't work for me I'll know quite quickly. Thanks for the info.
Re: Are you on a Bi-Level machine and if so why?
Posted: Fri Apr 27, 2018 10:30 am
by palerider
Holden4th wrote: ↑Fri Apr 27, 2018 2:22 am
. However, when I looked at the trigger settings I wasn't which direction to go in - high or low. Now I know and will see what happens when I go from medium to high. If it doesn't work for me I'll know quite quickly. Thanks for the info.
Trigger and cycle settings are both how sensitive they are to what they're responding to... higher or lower sensitivity, so if you want it to trigger easier/quicker, then you set it to high, or highest, or if you want it to trigger later in your inhale, low, or lowest.
Same for cycle. The examples in the manual for obstructive or restrictive lung disease settings give you a good idea how it works.