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Clear airway (central) apnea and alcohol
#1
My CPAP machine is showing variable rates of clear airway apneas, varying over a number of nights.
Interestingly, the rate is much higher after having an Alcohol Free Day! After a couple of standard drinks before dinner, it is usually below 5.0 (and often 1.0 to 2.0), but after an AFD, it is usually above 10 and sometimes over 20.
Can I get a Rx for a good Scotch? Smile
Is anyone aware of this "problem"?
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#2
Strange. I'm no expert so hopefully some one who is will voice their opinion. I was told that alcohol can increase the number of AHIs because it relaxes the muscles even more.
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#3
Alcohol is a sedative, and sedatives make obstructive apnea worse.

But this is a case of alcohol lowering the number of central apneas.

I suspect that this effect will subside with time.
Sleepster
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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.
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#4
Could also be that other factors that happen on AFDs are contributing. Like stress levels would be higher, etc. If you had a good day and went out drinking with friends, you'd have less stress and sleep better. But if an AFD happens during the middle of the week with a lot of stress, then your sleep would be off.

Interesting hypothesis.
PaulaO2
Apnea Board Moderator
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Breathe deeply and count to zen.

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.




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#5
The CAs are probably from hyperventilation caused by increased pressure. Alcohol suppresses resperation which in turn could make it less likely that you will hyperventilate. This is just a guess as to what may be happening.

Hyperventilation should go away on its own in time with acclimation to pressure.
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