Switching from AutoCpap to BiLevel?

alsarnac · Post by **alsarnac** » Sun Jul 08, 2007 10:49 am

Hello friendly folks. I'm an AUTOcpap (PB420E) user and can tolerate varying pressures set between 9cmH2O min. and 14 cmH2O max, which often give me 1.5 AHI. My data show 11 cm as my 90% average pressure per night. Just wondering in case I switch to bilevel machine (say PB425)with 13 cm (IPAP) and 9 cm (EPAP), will the AHI result in bilevel machine be much lower than 1.5 which I often get in autocpap, not to mention the comfort aspect? (I'm wondering if I should switch to bilevel with such thought in mind. . . I'm not sure ) .Thanks.

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CPAPopedia Keywords Contained In This Post (Click For Definition): AHI

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CPAPopedia Keywords Contained In This Post (Click For Definition): AHI

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CPAPopedia Keywords Contained In This Post (Click For Definition): AHI

Guest · Post by **Guest** » Sun Jul 08, 2007 6:13 pm

OOOoops - - - I mean - - - 13 cm.H2O IPAP and 9 cm.H2O EPAP.

Snoredog · Post by **Snoredog** » Sun Jul 08, 2007 6:26 pm

I think it depends on the type of events seen which tend to drive up your AHI, if they are made up of primarily Hypopnea or flow limitations then you may be able to get by with a lower IPAP/EPAP combination.

But if your events are stubborn Apnea events or lots of snores, then it is going to take a higher EPAP pressure to clear those events while probably not as high as you've seen with the auto or cpap.

I also wouldn't select a PB425, as it doesn't record sleep events like your 420e does with Silverlining. About all it reports is "compliance" type information. Good reason why that machine isn't very popular. No reports, no Biflex.

If it reported sleep data it may have half a chance, but without that?

THier · Post by **THier** » Wed Jul 11, 2007 5:17 pm

Not for the same reasons,,, but the BiPAP did miracles for me.

Tom

ozij · Post by **ozij** » Wed Jul 11, 2007 9:36 pm

If you're curious to see know what data you will get with the 425 - look at the demo data non your SilverLining disk.

No good enough in my opinion - datawise that is.

O.