12-14-2023, 09:21 PM
(This post was last modified: 12-14-2023, 09:48 PM by esaulcatnas.)
OSA events mistakenly recorded as central?
I've noticed that my flow limitations often coincide with my CSA events, like in my OSCAR chart here:
https://i.imgur.com/CnVyGwp.png
Is it possible that I'm having OSA events but the machine is recording them as CSA?
Some more context..
First sleep study (5 years ago): 3 obstructive, 4 central, 2 mixed, 106 hypopnea in 5:45 hours. AHI 20, RDI 20.1,
N2 sleep 66%, REM sleep 26%, with no N3 sleep, spontaneous arousal index 15.5/hour
CPAP titration (5 years ago): 2 obstructive, 10 central 6 mixed in 5 hours. AHI 6.8, RDI 7
N2 sleep 77%, REM sleep 16%, with no N3 sleep, spontaneous arousal index 13.1/hour
Repeat sleep study (more recent after losing 20lb): 4 obstructive, 6 central 1 mixed in 4 hours. AHI 6.6, RDI 6.6
N2 sleep 77%, REM sleep 16%, with no N3 sleep, spontaneous arousal index 7.5/hour
Repeat CPAP titration (more recent after losing 20lb): 3 obstructive, 36 central , 0 mixed in 5:43 hours. AHI 8.4, RDI 8.4
N2 sleep 70%, REM sleep 9%, with 16.4% N3 sleep, cortical arousal index 4.7/hour
According to my muse headband I'm currently getting an OK amount of N3 sleep
https://i.imgur.com/CnVyGwp.png
Is it possible that I'm having OSA events but the machine is recording them as CSA?
Some more context..
First sleep study (5 years ago): 3 obstructive, 4 central, 2 mixed, 106 hypopnea in 5:45 hours. AHI 20, RDI 20.1,
N2 sleep 66%, REM sleep 26%, with no N3 sleep, spontaneous arousal index 15.5/hour
CPAP titration (5 years ago): 2 obstructive, 10 central 6 mixed in 5 hours. AHI 6.8, RDI 7
N2 sleep 77%, REM sleep 16%, with no N3 sleep, spontaneous arousal index 13.1/hour
Repeat sleep study (more recent after losing 20lb): 4 obstructive, 6 central 1 mixed in 4 hours. AHI 6.6, RDI 6.6
N2 sleep 77%, REM sleep 16%, with no N3 sleep, spontaneous arousal index 7.5/hour
Repeat CPAP titration (more recent after losing 20lb): 3 obstructive, 36 central , 0 mixed in 5:43 hours. AHI 8.4, RDI 8.4
N2 sleep 70%, REM sleep 9%, with 16.4% N3 sleep, cortical arousal index 4.7/hour
According to my muse headband I'm currently getting an OK amount of N3 sleep