Hello Guest, Welcome to Apnea Board !
As a guest, you are limited to certain areas of the board and there are some features you can't use.
To post a message, you must create a free account using a valid email address.

or Create an Account


New Posts   Today's Posts

Sleepyhead data
#1
Hope to get interpretations to help my new Medicare doctor decide what changes might be needed.

My AHI on home testing was 45.


[Image: yMRW7rtl.png?2]

[Image: ynMkSSxl.png?1]
Post Reply Post Reply



Donate to Apnea Board  
#2
AHI is not bad. Mostly Obstructive. You're running wide open at 4-20.
PR machines are a bit slow to raise pressure. At some point an increase in the min pressure may be useful.
Probably around 10 cm-water.

You have some central. Might be pressure induced. Let's see what your doc says.

Admin Note:
JustMongo passed away in August 2017
Click HERE to read his Memorial Thread

~ Rest in Peace ~
Post Reply Post Reply
#3
I think JustMongo has nailed the root problem that minimum pressure needs to be increased to a therapeutic level. The machine starts off behind the curve to prevent obstructive events, and pretty much never catches up. Increasing pressure to 10 cm is conservative, and well below your median pressure, but it's a good place to start. I think you are going to be closer to 11-12 when fully optimized. On the other hand, I consider your clear airway or central events to be negligible.

Your leak rate is okay. Be sure to bring up any comfort or leak issues that you find disruptive.

Note that the machine is detecting a much longer inspiration time than expiration time. You would need to zoom in on the flow rate chart to see what is going on, and it may just be a flow irregularity during exhale that is being misinterpreted by the machine. We see this a lot, and it's usually nothing to worry about. It seems to be more frequently seen with Philips Respironics machines which rebound to IPAP pressure more quickly when it detects an abrupt flow reduction in exhale. You appear to be using a low Flex setting. The exhale pressure relief (EPR) of Resmed machines stays in EPAP until inhalation starts, and the rise is slower. Given your pressures and possibly this "hitch" in exhale, that might be a more comfortable option. If you want to post a closeup of a couple minutes of flow data, we might be able to see what's going on.

I think your doctor is going to consider this a good outcome, and is unlikely to recommend any significant changes. He will focus on how you feel, and whether you are getting better rest. That is relavent here as well. If you feel the low minimum pressure is a problem, especially at the beginning of therapy, that is enough reason to raise it. If the pressure is disruptive as it reaches its peak, that might justify using more flex or a machine with a larger EPR.
Post Reply Post Reply


Possibly Related Threads...
Thread Author Replies Views Last Post
  First Night with SleepyHead Data Please Help. BlueMachine 38 1,306 06-25-2018, 12:09 PM
Last Post: BlueMachine
  Transferring to new Hard Drive - Sleepyhead data files Mosquitobait 3 204 05-27-2018, 09:00 PM
Last Post: sheepless
  Two months of SleepyHead Data FirstNoele 4 269 05-16-2018, 08:35 PM
Last Post: Sleeprider
  IF I insert an SD card to get data for Sleepyhead will my ResMed still send data theMezz 3 390 04-20-2018, 07:52 PM
Last Post: theMezz
  SpO2 vs CPAP data in Sleepyhead Albercook 3 255 04-20-2018, 06:09 PM
Last Post: Albercook
  Sleepyhead data has vanished! booksfan 9 337 04-04-2018, 09:08 PM
Last Post: ShaunBlake
Exclaimation Sleepyhead Data -- Please Help -- Newbie dk2011 13 447 03-27-2018, 03:56 PM
Last Post: dk2011

Forum Jump:

New Posts   Today's Posts




About Apnea Board

Apnea Board is an educational web site designed to empower Sleep Apnea patients.