Post Reply 
[CPAP] AHI still High
Author Message
knubob Offline

Members

Posts: 4
Joined: Feb 2016

Machine: Respironics System One (60 Series) RemStar Auto with A-Flex
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro
Humidifier: Respironics System One (60 Series) RemStar Auto with A-Flex
CPAP Pressure: 8.5 - 14.5
CPAP Software: SleepyHead EncoreBasic

Other Comments:

Sex: Male
Location: Montana

Post: #1
AHI still High
I wear a FFM and like it because I usually feel better the following morning. But the AHI is High (16 last night). My pressure range is set at 8.5-14.5.

-What can I do to that to decrease the apnea events and AHI ?

-Will increasing the lower number from 8.5 to 9.5 have any effect on AHI, and if not, what will ? Huh

   
02-15-2016 03:23 PM
Find all posts by this user Post Reply Quote this message in a reply

Donate to Apnea Board
stevewerth Offline

Members

Posts: 13
Joined: Feb 2016

Machine: Resmed AirSense 10 Autoset
Mask Type: Full face mask
Mask Make & Model: Resmed
Humidifier: Mirage Quatro
CPAP Pressure: 10-20
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: 45.4500° N, 74.1500° W

Post: #2
RE: AHI still High
I'm new here as well, but it looks like you have very high leakage, which I think could be the cause of the high AHI. I think if leaks are that high, the mask becomes less effective.
02-15-2016 10:59 PM
Find all posts by this user Post Reply Quote this message in a reply
Rob S Offline

Preferred Members

Posts: 44
Joined: May 2015

Machine: ResMed S9 VPAP Adapt
Mask Type: Full face mask
Mask Make & Model: ResMed AirFit F10
Humidifier: ResMed H5i
CPAP Pressure: min EPAP 6, 90% IPAP16
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: New England. USA

Post: #3
RE: AHI still High
i'm no expert and i'm sure some of the more knowledgeable members will respond but i'll take a few guesses.
your min pressure is to low, in the time it takes the machine to ramp up to a pressure that will prevent further events you've just had 5-7 obstructive events.
your max pressure seems too low to treat some of your obstructive events
as your pressure rises you seem to be getting clear airways events

could be you have pressure induced central sleep apnea and maybe need an ASV

again i'm no expert and just venturing a few guesses based on some stuff i learned here over the last 7 months.

quick edit: i think your machine records total leak rate, including intentional mask leak. sleepyhead doesn't seem to score it as excessive.
(This post was last modified: 02-15-2016 11:32 PM by Rob S.)
02-15-2016 11:29 PM
Find all posts by this user Post Reply Quote this message in a reply

Donate to Apnea Board
PoolQ Online

Advisory Members

Posts: 986
Joined: Jul 2015

Machine: AirCurve 10 VAUTO
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: Integrated
CPAP Pressure: 6.2, 15, PS4.0
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Sillicon Valley

Post: #4
RE: AHI still High
There are some things that catch my eye, but I don't know enough about the RP machines to feel comfortable talking about it.
There are others here that do know those machines and they will chime in in a while, hang in there
02-15-2016 11:42 PM
Find all posts by this user Post Reply Quote this message in a reply
Ghost1958 Offline

Advisory Members

Posts: 957
Joined: Aug 2014

Machine: PRS1 Series Sixty Auto Aflex
Mask Type: Nasal mask
Mask Make & Model: F&P Eson
Humidifier: PRS1 with Heated Hose
CPAP Pressure: 10.5 min 16 max
CPAP Software: SleepyHead EncoreBasic

Other Comments: Moderate to Severe SA Obstructive. Rapid O2 desat off the machine.

Sex: Male
Location: KY

Post: #5
RE: AHI still High
(02-15-2016 03:23 PM)knubob Wrote:  I wear a FFM and like it because I usually feel better the following morning. But the AHI is High (16 last night). My pressure range is set at 8.5-14.5.

-What can I do to that to decrease the apnea events and AHI ?

-Will increasing the lower number from 8.5 to 9.5 have any effect on AHI, and if not, what will ? Huh

Your leak rate is fine. Pr machines count total leak. Under about 70 your good. Machne will log any large leaks it cant handle.

Yes your min is too low. Youll probably wind up around 10 to 11 min pressure to pull the apneas down. But good news is your machine probably wont go as high on the max side.
Your running up around 14 half the time anyway so a raise to 10 on min side wouldnt be unreasonable unless you just want to go .5 cm at a time.
02-16-2016 12:06 AM
Find all posts by this user Post Reply Quote this message in a reply

Donate to Apnea Board
knubob Offline

Members

Posts: 4
Joined: Feb 2016

Machine: Respironics System One (60 Series) RemStar Auto with A-Flex
Mask Type: Full face mask
Mask Make & Model: Mirage Quattro
Humidifier: Respironics System One (60 Series) RemStar Auto with A-Flex
CPAP Pressure: 8.5 - 14.5
CPAP Software: SleepyHead EncoreBasic

Other Comments:

Sex: Male
Location: Montana

Post: #6
RE: AHI still High
[/quote]

Your leak rate is fine. Pr machines count total leak. Under about 70 your good. Machne will log any large leaks it cant handle.

Yes your min is too low. Youll probably wind up around 10 to 11 min pressure to pull the apneas down. But good news is your machine probably wont go as high on the max side.
Your running up around 14 half the time anyway so a raise to 10 on min side wouldnt be unreasonable unless you just want to go .5 cm at a time.
[/quote]

Thank you Ghost1958, I appreciate your input.

Where did you get the above "Under 70" number? I have been looking for "normal" values for much of the data I see in Sleepyhead. Except the AHI at 5 or under, I can not find them in the Sleepyhead guide or in the PR manual or the Provider Manual Any input would be much appreciated. Thanks
02-16-2016 01:54 PM
Find all posts by this user Post Reply Quote this message in a reply
Winterfrost Offline

Preferred Members

Posts: 33
Joined: Feb 2016

Machine: Respironics System One 560P
Mask Type: Nasal pillows
Mask Make & Model: ResMed AirFit 10P For Her
Humidifier: none
CPAP Pressure: 8-14
CPAP Software: SleepyHead

Other Comments:

Sex: Female
Location:

Post: #7
RE: AHI still High
From the Sleepyhead manual (online):

Philips-Respironics System One: There is no official "line in the sand" for flagging a Large Leak.

(Source: Encore Report Guide) Lots of System One user data posted on the forum indicates the Large Leak line for Total Leak Rate depends on whether the machine is a Series 50 (older) System One or a Series 60 (newer) System One. Lots of user data posted on the forum also indicates that the Large Leak line depends on the pressure used: People using less than 10 cm of pressure see Large Leaks being flagged much earlier than people using pressures greater than 10 cm. Here are some general estimated guidelines for where the undefined Philips Respironics Large Leak line is located:

Series 60 System One users may start to see Large Leaks being flagged when the Total Leak Rate reaches 60-70 L/min; if the prescribed pressure setting is below about 8cm, then Large Leaks may be flagged when the Total Leak Rate reaches 50-60 L/min in some circumstances.

Series 50 System One users may start to see Large Leaks being flagged when the Total Leak Rate reaches 80-90 L/min; if the prescribed pressure setting is below about 8cm, then Large Leaks may be flagged when the Total Leak Rate reaches 60 L/min in some circumstances.
02-16-2016 02:42 PM
Find all posts by this user Post Reply Quote this message in a reply

Donate to Apnea Board
DariaVader Offline
Apnea Board Facebook Editor
Monitors

Posts: 1,828
Joined: Nov 2014

Machine: Resmed S9 AutoSet
Mask Type: Nasal pillows
Mask Make & Model: Airfit P10 for Her
Humidifier: H5i humidifier with ClimateLine heated hose
CPAP Pressure: 8-15
CPAP Software: SleepyHead

Other Comments: diabetes II, Thyroidectomized, Primary Immune Deficiency, and the list goes on :P

Sex: Female
Location: Oregon

Post: #8
RE: AHI still High
Agree min is too low. suggest that the CA is induced by pressure changes, and you might find that you get a better nights sleep on a very tight or constant range (11 - 14?), and turning off flex. Your CA does not seem high enough to warrant ASV judging by that one night, but if CA continues to be a large component of AHI at fixed pressure, then you might consider it. JMO.

هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه
Tongue Suck Technique for prevention of mouth breathing:
  • Place your tongue behind your front teeth on the roof of your mouth
  • let your tongue fill the space between the upper molars
  • gently suck to form a light vacuum
Practising during the day can help you to keep it at night

هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه هههههه
02-16-2016 02:46 PM
Find all posts by this user Post Reply Quote this message in a reply
Post Reply 


Possibly Related Threads...
Thread: Author Replies: Views: Last Post
  Events way too high! sfrasher 22 1,222 11-22-2016 06:35 PM
Last Post: sfrasher
  High AHI (7.5) and don't know why fotomatt1 15 685 11-20-2016 05:38 PM
Last Post: Sleeprider
  [Pressure] Hypoxic- No Apneas- Pressure Too High? beardog 13 641 11-08-2016 06:19 PM
Last Post: PsychoMike
  Leaks (Too high?) sleepytimegal 9 453 11-06-2016 09:58 PM
Last Post: sleepytimegal
  Symptoms of pressure being too high?? MrEGuy 4 591 10-19-2016 06:32 PM
Last Post: EnigmaGrey
  Why Are AHI High When Wide Awake? Dreams of Green 7 670 10-18-2016 09:35 PM
Last Post: 0rangebear
  leakage rate high? nobody102 4 393 09-30-2016 09:25 PM
Last Post: pupcamper

Forum Jump:

Who's Online (Complete List)