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Leak Rate -- what does it mean?
#11
RE: Leak Rate -- what does it mean?
(11-19-2020, 11:44 AM)Parisien Wrote: Which leads me on to asking where is this air coming from -- is the machine delivering too much? And if so, what is the best way to deal with it?

The CPAP machine tries to keep the pressure constant. This means, for example, that when air is leaking out of your mouth the CPAP machine will increase the flow rate in an attempt to keep the pressure constant.

The best solution is a full face mask. You can contact your equipment provider and ask about switching masks. It's very common to have to try several masks before finding one that fits well, so they have policies that allow for mask replacements.

The other techniques mentioned in this thread, taping, tongue sucking, chin straps (available from equipment providers), and soft cervical collars can be used with a nasal mask to stop the leaking, but they are not always successful. Also, mouth-leaking tends to subside for many people as they adapt to CPAP therapy.
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#12
RE: Leak Rate -- what does it mean?
Many thanks for that. I'm first going to try to master the tongue sucking approach, simply because it's the least intrusive. Your comment that mouth leaking tends to subside is encouraging.

In the short term, I'm still not clear about whether I should adjust the settings. Earlier in this thread, OpalRose and staceyburke kindly offered some suggestions, which I think were both for my comfort as well as for improved therapy. Unfortunately, the change seems to have provoked an increase in the leak rate from the 30's to the 40's (based on the limited evidence of three nights). From the comfort viewpoint, I luckily have always slept pretty well, both before and after the CPAP. 

I would appreciate any advice on settings. Or maybe the increase in leakage is coincidence?
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#13
RE: Leak Rate -- what does it mean?
Add in the EPR, full-time at 2. It will reduce your flow limitations, pressure fluctuations and leaks.
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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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#14
RE: Leak Rate -- what does it mean?
(11-20-2020, 12:29 PM)Parisien Wrote: Many thanks for that. I'm first going to try to master the tongue sucking approach, simply because it's the least intrusive. Your comment that mouth leaking tends to subside is encouraging.

In the short term, I'm still not clear about whether I should adjust the settings. Earlier in this thread, OpalRose and staceyburke kindly offered some suggestions, which I think were both for my comfort as well as for improved therapy. Unfortunately, the change seems to have provoked an increase in the leak rate from the 30's to the 40's (based on the limited evidence of three nights). From the comfort viewpoint, I luckily have always slept pretty well, both before and after the CPAP. 

I would appreciate any advice on settings. Or maybe the increase in leakage is coincidence?

My suggestion included adding EPR of 2. I didn't see that change in the stats. you posted.
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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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#15
RE: Leak Rate -- what does it mean?
Sorry -- my mistake. I had set EPR to on, at level 2. What I missed was that it was set on Ramp Only, not Full Time. Hopefully this is now corrected. I'll wait a couple of days, and post new results.
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#16
RE: Leak Rate -- what does it mean?
No problem, hope it makes a difference for you. Post a new chart after a day or two.
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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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