Month: March 2020

New APAP user – lots of CA events?

Hello, I recently started using APAP (about 6 weeks ago) and have not been having much success. Long story short, I felt daytime fatigue and brain fog and got an at home sleep study. It showed that I had about 15 obstructive events per hour, most of which were central. I have been using the APAP trial and on a normal day my AHI is anywhere between 4-10, usually in the ~7 range.

I don’t feel any improvement, and am worried about the fact that most of my events are central (90% or more). I did some digging, and it appears that my centrals are “post arousal” or “sleep wake junk”. Here is an example of what most look like

Does anyone have any insight or advice into what may be the case here? I’m a healthy young male (low BMI) who doesn’t have any neurological or cardiovascular issues. My clinician has stated that my average indices are quite low and there isn’t a need for bipap/ASV.


submitted by /u/SWOLE_HATER
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Why isnt the Bipap the first line of defense instead of the Cpap? Looking for studies on the topic.

Since I somewhat regret not starting out with the Bipap first. My ideal pressure setting is 12(minimum pressure with an AHI consistently below 1.5) however I am only able to use this setting semi-comfortably due to the AFLEX. I question if I am ultimately getting less oxygen during the night than the ideal.

I believe ( but I cannot prove within uncertainty limits of side-effects) that my ideal pressure difference is that of 5 instead of 3. (Heuristic–minimum pressure difference to exhale fully).

Are there O2 blood-level studies comparing the two? Do certain side effects increase with a larger pressure difference?

submitted by /u/WoofMeowWoofMeowMeow
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Is sleep apnea on its own a risk for coronavirus?

I’m in my mid-20s and have undiagnosed sleep apnea (I am certain I have it because I often wake up with my throat totally closed and unable to breathe). I also have a sleep disorder that has been diagnosed, in my opinion this is likely related to sleep apnea. My sleep apnea is likely due to a specific genetic disorder, and I am otherwise healthy, apart from having a somewhat reduced lung capacity (this has been measured) also likely due to this genetic disorder. The rest of my cardiovascular system seems healthy and I’m not overweight, and I’ve never smoked.

How worried should I be about catching this virus? I already am only going outside once a week or so to get food, but do I need to further self-isolate and rely on others for food?

submitted by /u/marfenis
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Sleep Study Results: No sleep apnea but nocturnal hypoxia

I finally got a sleep study which showed No Evidence of Sleep Apnea with an AHI less than 3.

However, it showed Nocturnal Hypoxemia with SpO2 down to 80% for a total of 90-120 minutes throughout the night.

I am 35 yo, 5’10, weigh 185. BMI is less than 25.

The only other thing I know I have is a severely deviated septum and nasal valve collapse.

However, I’ve been told by people that deviated septum and nasal valve collapse alone shouldn’t cause me to have low SpO2 levels at night.

Follow up Pulmonary Function Test (PFT) and Echocardiogram was normal.

Purchased myself a Medical Grade SpO2 monitor for sleep – average SpO2 levels throughout most nights were 89%-92%. Purchased a CPAP (AutoPAP) and it made absolutely no difference in my average SpO2 levels at night.

Any input would be appreciated. I am getting a septoplasty, nasal valve repair, and turbinate reduction done regardless.

submitted by /u/De2TheRepolarization
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