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ASV machines
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07-10-2017, 11:56 AM
RE: ASV machines
Oh, one more thing for the experts. I am going to switch to the ResMed Airfit P10 mask and see if it is more comfortable. The current mask is starting to really bug me after this long. By the way, I am not a mouth breather so I figure it is worth a try. What do you think? Also, what would be your top 6 graphs, besides events, to display in Sleepyhead?
07-10-2017, 11:59 AM
RE: ASV machines
(07-10-2017, 11:56 AM)Lost53 Wrote: . . . what would be your top 6 graphs, besides events, to display in Sleepyhead? Please review my link to Posting SleepyHead Charts in 5 Easy Steps for this information.
Crimson Nape
Apnea Board Moderator www.ApneaBoard.com ___________________________________ Useful Links -or- When All Else Fails: The Guide to Understanding OSCAR OSCAR Chart Organization Attaching Images and Files on Apnea Board Apnea Helpful Tips 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.
07-18-2017, 07:31 PM
RE: ASV machines
[attachment=3681]Hey Sleeprider and Deep breathing. Here is my latest screenshot with new settings and AirFit P10. Tell me what you think.
07-18-2017, 08:42 PM
RE: ASV machines
If it was my chart, as per the titration manual page 41 https://www.resmed.com/us/dam/documents/...lo_eng.pdf
I'd lift the min epap to 8 for the couple of OA/H you are getting, as an initial setting. The UA is probably an OA, your minimum tidal and minute vent is 0.0 which may indicate an obstructive issue. Resmed have said they get all the CA. I wouldn't, but if you want to restrict the max settings. You would need to scroll through the chart and see where you are getting any low tidal volume/minute ventilation, to fully resolve issues. To see if you have enough max EPAP and PS. The ASV adjusts to 90% of the minute ventilation as a target. You need to make sure there is enough max pressure support to fully ventilate during a CA, Using the zoom on the flow chart, tidal volume and minute vent to compare. I know that with me on the ST, a PS of 6 will vent my lung to about 14l/m which is half a breath. With my current settings, my min tidal volume is 300 and the min minute vent is 4. You should be able to do much better on the ASV than this.
mask fit http://www.apneaboard.com/wiki/index.php...ask_Primer
For auto-cpap, from machine data or software. You can set the min pressure 1 or 2cm below 95%. Or clinicians commonly use the maximum or 95% pressure for fixed pressure CPAP, this can also be used for min pressure. https://aasm.org/resources/practiceparam...rating.pdf
07-18-2017, 09:20 PM
RE: ASV machines
Lost53, I have to ask you how you are feeling. Have the new settings resolved the discomfort you were feeling with the higher pressure? Are you sleeping better?
Your results are excellent, and I'll have to disagree with ajack that chasing a few obstructive events is a worthy endeavor with this very low event rate. The machine is working pretty hard to counter centrals and hypopnea with significant pressure support through the night, but your median pressures are only 8.98/6.42 which is pretty reasonable, and your 95% at 15.8/8.9 is also pretty good. So as long as you are feeling this is good progress, I'm not seeing a compelling reason to recommend any changes.
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.
07-19-2017, 02:46 PM
RE: ASV machines
[attachment=3686]
Thanks for the reply Sleeprider. I don't feel any different in the morning but I do sense less pressure during the night. I have been using the AirFit P10 for 3 nights now and I like the way it fits. I got a big surprise this morning though. I ended up with a 1.1 AHI and I haven't had one that bad in over a year. Here is a screenshot.
07-19-2017, 03:26 PM
RE: ASV machines
You need to take a holistic approach to sleep quality. CPAP/ASV is a big part, but don't rule out non-CPAP just because you have had a complete physical. Did they test for Vitamin D levels? You want the 25(OH)D blood test, not the 1-25 version that is often ordered. Taking supplements has improved my sleep quality. I am on T replacement as well, but is it too early to say on that. It has not hurt.
07-19-2017, 03:30 PM
RE: ASV machines
You had more flow limitations. I don't feel at all alarmed about an AHI of 1.1. There is considerable flow limitation and the minimum EPAP is responding to that. My original recommendation had your EPAP minimum at 6 rather than 5, and there is merit to ajack's suggestion. I would consider raising minimum EPAP slowly, and see where it feels best. You might need to keep a journal to recall the relative difference with these subtle changes since we are mostly after comfort and sleep quality; the AHI is not a problem.
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.
RE: ASV machines
8 may be a bit aggressive, conservative would be to have min epap:7 and min ps:3, which will give a floor of Ipap:10
I would lift the max epap and PS back to the recommended default 15. I have no valid reason to restrict the algorithm. The average tidal volume, minute vent and insp/exp times all look good to me It would be good to see a zoom on 00:20 area with the UA/H and see what is happening. That is the area that needs a tweak. It's possible that is where the max epap/PS:11 is choking and 15 would be better
mask fit http://www.apneaboard.com/wiki/index.php...ask_Primer
For auto-cpap, from machine data or software. You can set the min pressure 1 or 2cm below 95%. Or clinicians commonly use the maximum or 95% pressure for fixed pressure CPAP, this can also be used for min pressure. https://aasm.org/resources/practiceparam...rating.pdf |
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