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AHI and hose leak
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gilbo Offline

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Posts: 2
Joined: Mar 2012

Machine: Respironics Bi-Pap Pro
Mask Type: Nasal pillows
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Humidifier: none
CPAP Pressure: Bi-Pap 12/7
CPAP Software: Not using software

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Sex: Male
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Post: #1
AHI and hose leak
I assume a very small hose leak would affect AHI. Would the leak cause AHI reported values to be higher or lower? Gilbo
03-18-2012 03:10 PM
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zonk Offline

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Posts: 7,908
Joined: Feb 2012

Machine: A10 AutoSet
Mask Type: Nasal mask
Mask Make & Model: Activa LT
Humidifier: Integrated /ClimateLineAir
CPAP Pressure: 9/13
CPAP Software: ResScan

Other Comments: CPAP since Nov 2010

Sex: Male
Location: Australia

Post: #2
RE: AHI and hose leak
(03-18-2012 03:10 PM)gilbo Wrote:  I assume a very small hose leak would affect AHI. Would the leak cause AHI reported values to be higher or lower? Gilbo
Hi gilbo
I don,t use your machine but on my S9 leak over 24L/min would affect the accuracy of the data including AHI and compromise the therapy.
The S9 report unintentional leak and PR System One report total leak (total leak= intentional leak + unintentional leak)
Tape the the hose or get a new one.
03-18-2012 03:34 PM
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greatunclebill Offline

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Posts: 549
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Machine: Respironics System one Auto A-Flex
Mask Type: Full face mask
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Other Comments: quattro fx full face

Sex: Male
Location: L.A. (Lower Alabama)

Post: #3
RE: AHI and hose leak
that depends what you consider a small leak. anything out of the mask, even your normal exhalation is a leak. so it will never be zero leak.

oops.... just noticed hose leak, not mask. replace the hose.
(This post was last modified: 03-18-2012 03:41 PM by greatunclebill.)
03-18-2012 03:40 PM
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zimlich Offline

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Posts: 392
Joined: Feb 2012

Machine: Respironics PR System One BiPap Auto SV Advanced
Mask Type: Nasal mask
Mask Make & Model: ResMed gel Nasal Mask
Humidifier: System One
CPAP Pressure: 8-20 ASV, 8 EPAP,PS 12
CPAP Software: Not using software

Other Comments: I use the Quattro FFM when necessary

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Location: Norfolk, VA

Post: #4
RE: AHI and hose leak
I think if you have a hose leak- if only a pinprick it may not alter your AHI (but would be disastrous in a condom). Still, don't take any chances and replace the hose. I always keep an extra hose- they seem to last forever- for this eventuality.
04-15-2012 06:57 AM
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