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Clusters of Central and Obstructive Events
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9 hours ago
Clusters of Central and Obstructive Events
I was diagnosed with severe sleep apnea during a home sleep study in August (67AHI, all Obstructive) and was given a ResMed Airsense 11 (fixed 7.0 (cm H2O)). Immediately I started having Central events. (Treatment-Induced?) Because the Central events weren't lessening after 3 months, I was switched to a ResMed Aircurve 10 VAuto about a week ago. I have been following my progress on OSCAR and have been noticing clumps of events occurring a couple of times a night. There may be 20 events labeled CA and OA within a span of 20 minutes. What is the significance of these events? I have searched other posts and haven't come across a similar situation. Any help would be appreciated. This is my first post.
9 hours ago
RE: Clusters of Central and Obstructive Events
Welcome to the board... We need data from OSCAR to be any help. Please look at may signature (bottom of the post) for the charts we need to see. Use the F12 button on your key board to take a screenshot and attach it with the button on the bottom of your text. We will be happy to answer your questions.
Apnea (80-100%) 10 seconds, Hypopnea (50-80%) 10 seconds, Flow Limits (0-50%) not timed Cervical Collar - Dealing w DME - Chart Organizing
9 hours ago
RE: Clusters of Central and Obstructive Events
Welcome to Apnea Board,
It is certainly possible to have treatment emergent Central Apnea. For most that have these, the cause will be an increased exhalation of more CO2 than what your nervous system is accustomed to. Again, most that will remedy within 3 months. Your VAuto has a trick that might help. Edit Trigger to High or Very High to avoid some CA by way of making the trigger to inhale more sensitive. Two charts you might want to post: the diagnostic sleep study report and an OSCAR chart.
Mask Primer
Positional Apnea 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.
6 hours ago
RE: Clusters of Central and Obstructive Events
5 hours ago
(This post was last modified: 5 hours ago by PeaceLoveAndPizza.)
RE: Clusters of Central and Obstructive Events
It would be helpful to see some specific information. The link in my signature “Formatting OSCAR Charts”, explains what graphs to include in the chart.
How did you end up with your current settings? I wonder if your pressure support of 5 may be part of the concern. One thing to consider is dialling it back to 3 or 4. Something like: Mode VPAPAuto EPAPmin 5 IPAPmax 15 PS 4 Trigger Medium From there we can see how you respond to it and increase/decrease pressure, pressure support, and/or trigger accordingly. Some centrals are expected as you adapt, but we try to minimise them as best we can.
4 hours ago
RE: Clusters of Central and Obstructive Events
Clusters of mixed apnea are often positional (chin tucking). The CA usually turns out to be obstructive flow limitation. With your bilevel at PS-5 and mostly apnea-free therapy, my money is on a positional issue.
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.
3 hours ago
RE: Clusters of Central and Obstructive Events
Thanks, everyone. There is a learning curve to all of this. Thanks for your patience. I welcome all of your comments.
I tried to follow directions to get a better screen shot for 12/22. A couple things got cut off the left sidebar: Ti min 0.30 Seconds; Trigger: High I am including another chart from Thurs. 12/19 for comparison with Trigger set Very High. I changed it to High because it was a bit uncomfortable. Regarding the pressure settings, my doctor set up my machine with them after a preliminary reading of an in-lab titration sleep study done Nov. 29. I have been unable to see the report from that study because results take a minimum of 4 weeks to get to patients.
2 hours ago
(This post was last modified: 2 hours ago by SarcasticDave94.)
RE: Clusters of Central and Obstructive Events
No offense, but that lab must be cool if slackers. Over a month to get you the report? Call and demand it. Remind them you want your copy of the detailed report. Mention the HIPAA law that says when you request it, they must provide it.
Mask Primer
Positional Apnea 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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