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Question on ASV backup rate
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Snowleopard28 Offline

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Posts: 12
Joined: Jun 2014

Machine: PR System One 60 Series BiPAP AutoSV Advanced with Humidifier
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: System One
CPAP Pressure: EPAP13-16,max25,PS0-12,BPM12
CPAP Software: SleepyHead

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Sex: Female
Location: The Southern Tier of NY

Post: #1
Question on ASV backup rate
Hi everyone,
I was hoping someone could tell me if the backup rate on the PR System One BiPAP AutoSV Advanced machine is set to "Auto" will it give a breath if I stop breathing because of a central event? My sleep doctor told me that it won't. The only way this machine will ventilate if you stop breathing due to central events, is if the backup rate is set to a specific rate.
I'm asking because he had it set at 12, but I have asthma and sometimes it can take me longer to exhale. With the backup rate set at 12, the machine would try to push a breath when I was still exhaling. So I changed it to Auto. My doctor understood but he was worried.
To me, it doesn't make sense. The machine is in ASV mode and whether it's set to 12 or Auto, it should activate when there is no flow.
12-04-2015 10:07 PM
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trish6hundred Offline

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Posts: 6,449
Joined: May 2012

Machine: Resmed S9 AutoSet for Her
Mask Type: Full face mask
Mask Make & Model: Fisher & Paykel Simplus
Humidifier: H5i Heated Humidifier
CPAP Pressure: 10 - 7-20 Cm H2O
CPAP Software: Not using software

Other Comments: I started CPAP in 2008. Totally blind since birth.

Sex: Female
Location: Missouri, USA

Post: #2
RE: Question on ASV backup rate
Hi Snowleopard28,
WELCOME! to the forum.!
I don’t know the answer to your question, but hang in there for suggestions.
Much success to you with your CPAP therapy and getting it fine tuned to meet your needs.

trish6hundred
12-04-2015 10:55 PM
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Sleeprider Online
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Posts: 3,369
Joined: Dec 2014

Machine: Resmed Aircurve 10 Vauto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Airfit P10
Humidifier: Resmed Climateline
CPAP Pressure: Auto Bilevel 18/9, PS 3
CPAP Software: ResScan SleepyHead EncoreBasic

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Sex: Male
Location: Where they make Respironics

Post: #3
RE: Question on ASV backup rate
I don't know the answer for certain, but your doctor may have been thinking about the BiPAP/ ST which has a timed breath. I believe the Auto SV uses an algorithm based on an average of preceding breaths.

You can request the clinical manual which will give you many of the technical answers by following the link at the top of the page to CPAP Setup Manuals.

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12-04-2015 11:01 PM
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Snowleopard28 Offline

Members

Posts: 12
Joined: Jun 2014

Machine: PR System One 60 Series BiPAP AutoSV Advanced with Humidifier
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: System One
CPAP Pressure: EPAP13-16,max25,PS0-12,BPM12
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location: The Southern Tier of NY

Post: #4
RE: Question on ASV backup rate
Thanks Sleeprider and trish,
I've looked through the clinician's manual and couldn't find anything. But I thought the same thing as Sleeprider about the algorithm. My sleep doctor didn't tell me to switch it back to 12 bpm, so I left it on Auto. I'm not sure what to do. When set to 12, the machine and I are out of sync, but when set on Auto it's much better. The only thing that worries me is if my doctor is correct, and I have a run of central events or stop breathing, the machine will not do anything. It's confusing.
12-06-2015 10:40 AM
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Sleeprider Online
Wiki Editor
Advisory Members

Posts: 3,369
Joined: Dec 2014

Machine: Resmed Aircurve 10 Vauto
Mask Type: Nasal pillows
Mask Make & Model: Resmed Airfit P10
Humidifier: Resmed Climateline
CPAP Pressure: Auto Bilevel 18/9, PS 3
CPAP Software: ResScan SleepyHead EncoreBasic

Other Comments:

Sex: Male
Location: Where they make Respironics

Post: #5
RE: Question on ASV backup rate
The auto setting has worked for most people I know that use that machine. It seems natural and comfortable. I'm pretty sure that it won't leave you stranded for a breath. Again, since it uses an algorithm based on YOUR breathing pattern, to maintain that pattern, it should seem pretty seamless.

______________________________________________
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12-06-2015 11:04 AM
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vsheline Online

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Posts: 1,908
Joined: Jul 2012

Machine: S9 VPAP Adapt (USA Model# 36007, not better 36037 or 36067)
Mask Type: Full face mask
Mask Make & Model: F10 or SimPlus w/ 2Liners. MirageQuatro & Gecko gel pad
Humidifier: H5i
CPAP Pressure: 15 EPAP, PS 5-10
CPAP Software: ResScan

Other Comments: Marfan Syndrome, chronic bradycardia, occasional Cheyne-Stokes Respiration

Sex: Male
Location: California, USA

Post: #6
RE: Question on ASV backup rate
(12-06-2015 10:40 AM)Snowleopard28 Wrote:  Thanks Sleeprider and trish,
I've looked through the clinician's manual and couldn't find anything. But I thought the same thing as Sleeprider about the algorithm. My sleep doctor didn't tell me to switch it back to 12 bpm, so I left it on Auto. I'm not sure what to do. When set to 12, the machine and I are out of sync, but when set on Auto it's much better. The only thing that worries me is if my doctor is correct, and I have a run of central events or stop breathing, the machine will not do anything. It's confusing.

This webpage confirms when Rate is set to automatic that central apneas are still treated. However, it is a supplier link, and we will need to copy it into our browser's address bar, since functional links to suppliers are not allowed on Apnea Board.

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Moderator Action: Link Removed
To maintain our status as an educational organization, the only commercial links allowed in this forum are to CPAP-related manufacturer websites. "Workarounds" are also not allowed. This is stated in the Apnea Board Rules with details given in the Commercial Links Policy section.
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Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment. The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies - not on matters concerning treatment for Sleep Apnea. I think it is now too late to change the name of the group but I think Voting Member group would perhaps have been a more descriptive name for the group.
12-08-2015 04:04 AM
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DeepBreathing Offline
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Machine: Resmed S9 VPAP Adapt
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CPAP Software: ResScan SleepyHead

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Sex: Male
Location: Perth, Western Australia

Post: #7
RE: Question on ASV backup rate
This document provides quite a lot of detail about the machine. http://www.healthcare.philips.com/pwc_hc...ochure.pdf

Of relevance is the explanation of the treatment of central apnea on page 5.

DeepBreathing
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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.
12-08-2015 04:49 AM
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robertbuckley Offline

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Posts: 99
Joined: Mar 2013

Machine: Resprionics BiPAP Auto SV Advanced
Mask Type: Full face mask
Mask Make & Model: ResMed AirFit F-10 Full Face
Humidifier: Resprionics System One
CPAP Pressure: EEP 15; PS 4 - 10
CPAP Software: SleepyHead EncoreBasic

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Sex: Male
Location: New York, NY

Post: #8
RE: Question on ASV backup rate
I have my backup in auto and it breathes fine for me when it needs to. I also found something interesting when I switched to the ASV several years ago - I was more comfortable setting the ex-hale relief at 1, when before using the A-flex or C-Flex C-Pap machines I needed the relief set at 3. The difference was that I was now using Bi-Pap and ASV in auto breath.
12-10-2015 02:14 PM
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Snowleopard28 Offline

Members

Posts: 12
Joined: Jun 2014

Machine: PR System One 60 Series BiPAP AutoSV Advanced with Humidifier
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: System One
CPAP Pressure: EPAP13-16,max25,PS0-12,BPM12
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location: The Southern Tier of NY

Post: #9
RE: Question on ASV backup rate
Thanks for all the info everyone. My doctor had me do a overnight oximetry while using my machine on that setting. I was sent the results electronically. It said that the results on AUTO BiPAP were normal. I have no idea what that means except that my sats were fine. Do you think he's talking about a different machine?
12-11-2015 05:32 PM
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vsheline Online

Advisory Members

Posts: 1,908
Joined: Jul 2012

Machine: S9 VPAP Adapt (USA Model# 36007, not better 36037 or 36067)
Mask Type: Full face mask
Mask Make & Model: F10 or SimPlus w/ 2Liners. MirageQuatro & Gecko gel pad
Humidifier: H5i
CPAP Pressure: 15 EPAP, PS 5-10
CPAP Software: ResScan

Other Comments: Marfan Syndrome, chronic bradycardia, occasional Cheyne-Stokes Respiration

Sex: Male
Location: California, USA

Post: #10
RE: Question on ASV backup rate
(12-11-2015 05:32 PM)Snowleopard28 Wrote:  My doctor had me do a overnight oximetry while using my machine on that setting. I was sent the results electronically. It said that the results on AUTO BiPAP were normal. I have no idea what that means except that my sats were fine. Do you think he's talking about a different machine?

Hi Snowleopard28,

I think your doctor is talking about your [ASV] BiPAP machine when its backup rate is set to Auto, and means that he thinks the Auto setting for backup rate is working well for you.

Membership in the Advisory Member group should not be understood as in any way implying medical expertise or qualification for advising Sleep Apnea patients concerning their treatment. The Advisory Member group provides advice and suggestions to Apnea Board administrators and staff on matters concerning Apnea Board operation and administrative policies - not on matters concerning treatment for Sleep Apnea. I think it is now too late to change the name of the group but I think Voting Member group would perhaps have been a more descriptive name for the group.
(This post was last modified: 12-12-2015 04:01 PM by vsheline.)
12-12-2015 03:54 PM
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