Resmed epr

From ResMed, with my emphasis added.

Expiratory Pressure Relief (EPR)
EPR decreases the pressure at the beginning of each breath and keeps the pressure low throughout the exhalation. The pressure is reduced by an exact pressure drop of one, two or three centimeters of water pressure. EPR gradually changes therapy pressures so there is little ventilatory effect. EPR also has an Event Detection Circuit. When a sleep disordered breathing event lasts longer than 10 seconds, EPR stops until the event concludes and normal breathing with EPR resumes.

I think you were desperate to identify a culprit, and in doing so, ran a phony experiment to prove what you already believed to be the case. We cannot discount the powers of the mind - migraines have been shown to be cured by taking placebo pills, even when the consumer knows they are a sham. Glad you are feeling better though. I would get the clinical manual for your machine, and also make sure you review your data, as well as with any physicians you have, in the future.

My full position (and I speak only for myself) on ResMed's modern version of EPR is that it does significantly lower treatment pressure during exhalation, which can be problematic for some patients using straight CPAP mode who need the full prescribed pressure during exhalation. Using the machine in APAP mode solves that issue for most of that minority, since the machine reacts to indications of airway narrowing no matter what.

But I agree that the primary takeaway is the need for monitoring therapy with full data.

Ramp, similarly, is a common "comfort feature" that is very valuable for a large proportion of users. In my case, however, ramp prevented my effective use of PAP therapy because I needed full therapy pressure in order to fall asleep.

Individual anecdotal experience can't be ignored for an individual user even when that experience may not always be particularly valuable for informing the overall principles of customization of PAP delivery for effectiveness for the majority in the general population.

Can comfort features have positive effects and negative effects for individuals? Sure. After all, comfort itself is one of the primary factors in people's choosing to continue or discontinue therapy just as much as the perceived effectiveness of the therapy. And what makes one feel comfortably treated may not have that same effect for all.

I mean, if a comfort feature didn't actually do anything, it, uh, wouldn't actually do anything. -- Signed, Captain Obvious.

raisedfist wrote: ↑

Thu Jan 10, 2019 9:23 am

From ResMed, with my emphasis added.

Expiratory Pressure Relief (EPR)
EPR decreases the pressure at the beginning of each breath and keeps the pressure low throughout the exhalation. The pressure is reduced by an exact pressure drop of one, two or three centimeters of water pressure. EPR gradually changes therapy pressures so there is little ventilatory effect. EPR also has an Event Detection Circuit. When a sleep disordered breathing event lasts longer than 10 seconds, EPR stops until the event concludes and normal breathing with EPR resumes.

I think you were desperate to identify a culprit, and in doing so, ran a phony experiment to prove what you already believed to be the case. We cannot discount the powers of the mind - migraines have been shown to be cured by taking placebo pills, even when the consumer knows they are a sham. Glad you are feeling better though. I would get the clinical manual for your machine, and also make sure you review your data, as well as with any physicians you have, in the future.

Brilliant, i loved your theory!