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Re: Increased Pressure to 18 cm

Posted by StevieB on December 17, 2007 at 16:29:57:

In Reply to: Re: Increased Pressure to 18 cm posted by Marco Polo on November 26, 2007 at 17:23:50:

Marco,

Thank you for your very thoughtful reply. Here's an update.

At my 30 day follow up with the sleep lab, I discussed my discomfort problem with the CRNP. She discussed my problem with the head of the lab (MD) and they both agreed that BiPAP would be helpful. The MD doesn't like APAP as he feels patients spend too much time at non-therapeutic pressures. So they ordered a Respironics M Series Auto Bi-PAP with Bi-Flex set for FIXED PRESSURE treatment (ie non-auto) at 17 cm inspiration and 10 cm expiration. I have been on BiPAP for almost a week and it is definitely more comfortable (almost natural) with the lower expiration pressure. However, my AHI went from 12 UP to 17-21 so the question of complex OSA is still there. They think my chemoreceptors aren't picking up the CO2 in my blood and therefore the brain is not sending a signal to the lungs to inhale. If the BiPAP doesn't succede in lowering AHI, they will look at the next generation of BiPAP that is classified as a ventilator. The CRNP said that this type of machine analyzes the patient's normal breathing pattern and if it's sensors detect that you have failed to initiate inhalation, it intiates inhalation for you by going to inhalation pressure. She called it a "non-invasive ventilator". YIKES!

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