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How much improvement / variation
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chezdan9 Offline

Preferred Members

Posts: 22
Joined: Dec 2013

Machine: ResMed S9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed h5i
CPAP Pressure: 12
CPAP Software: ResScan SleepyHead

Other Comments: diagnosed AHI = 88

Sex: Male
Location: Massachusetts, USA

Post: #1
How much improvement / variation
I've had 5 nights on my new (first) machine and I am sleeping so much better and feel results already.

I have been studiously surveying my sleepyhead report and I noticed that the first 3 nights, my AHI was 0.8 average. However, the Mirage FX mask was strapped on tightly and I had sore nostrils in the morning. Leaks were moderately low (95% was somewhere around 9).

I loosened the mask the last two nights (based on a post I read here) and bumped up my pressure from 12 to 13. Believe it or not, my leaks actually went down, BUT my AHI shot up to 2.4 over the last two nights.

Questions: should I be concerned that my AHI has risen? Is it normal to see variations that large from night to night, or should I strap my mask down tightly again?

Is AHI 2.4 worrisome? Should I be striving to achieve the lowest score possible all the time, or is 2.4 "acceptable" (my diagnosed AHI was 88!)

Thanks!
(This post was last modified: 12-11-2013 02:24 PM by chezdan9.)
12-11-2013 02:23 PM
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Tez62 Offline

Monitors

Posts: 837
Joined: Feb 2013

Machine: Resmed S9 Autoset
Mask Type: Full face mask
Mask Make & Model: Resmed Mirage Quattro
Humidifier: Resmed
CPAP Pressure: 5-15
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Melbourne, Australia

Post: #2
RE: How much improvement/variation
chezdan9, the goal is to get as low as possible but anything under 5 is good, the normal person stops breathing between 0-5 times per hour. If the straps were too tight I would leave them as they are. Your AHI will vary from night to night, there are so many things that can effect it, from temperature to meds as every night is a different night, good luck.
12-11-2013 02:33 PM
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me50 Offline

Advisory Members

Posts: 2,559
Joined: Aug 2013

Machine: resmed S9 VPAP Auto
Mask Type: Nasal mask
Mask Make & Model: Wisp and Silicone Head gear
Humidifier: resmed H5i
CPAP Pressure: 18/8
CPAP Software: SleepyHead

Other Comments:

Sex: Undisclosed
Location: USA

Post: #3
RE: How much improvement/variation
what Tez62 said. I would watch your data for 2 weeks and see what it shows. Your AHI, as Tez62 said, is within the normal range. I would look, just for your peace of mind, to see what types of apnea you had, were the events during a leak, etc.
12-11-2013 02:53 PM
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chezdan9 Offline

Preferred Members

Posts: 22
Joined: Dec 2013

Machine: ResMed S9 Autoset
Mask Type: Nasal pillows
Mask Make & Model: ResMed Swift FX
Humidifier: ResMed h5i
CPAP Pressure: 12
CPAP Software: ResScan SleepyHead

Other Comments: diagnosed AHI = 88

Sex: Male
Location: Massachusetts, USA

Post: #4
RE: How much improvement/variation
I didn't correlate leaks and apnea events, me50. I'll take a closer look at the data. Most of the events were either OAs or Hypopneas. I think I had one CA during the night. Thanks for the tips.
12-11-2013 03:18 PM
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trish6hundred Offline

Advisory Members

Posts: 6,451
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: #5
RE: How much improvement/variation
Hi chezdan9,
Over tightening your mask can cause problems for you so try not to tighten it too much. If you find that your nostriles are getting soar from your pillows, you might consider getting some HPA Lanolin, (found in the baby isle at most stores,) and put a "LITTLE" bit on a Q-Tip and swav the inside of your nostriles with it and that should help with the soarness and "could" give you a better seal.
and oh by the way, WELCOME! to the forum.!
Sounds like you are off to a good start with your CPAP therapy, that's good to hear.

trish6hundred
12-11-2013 03:27 PM
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Sleepster Offline
Wiki Editor
Moderators

Posts: 4,995
Joined: Feb 2012

Machine: ResMed AirCurve10 VAuto
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: HumidAir and SlimLine Hose
CPAP Pressure: MaxI 13.6 | MinE 5.2 | PS 4.4
CPAP Software: ResScan SleepyHead

Other Comments: Diagnosed Nov 2011. Conquered aerophagia.

Sex: Male
Location: Houston, Texas

Post: #6
RE: How much improvement/variation
(12-11-2013 02:23 PM)chezdan9 Wrote:  I've had 5 nights on my new (first) machine and I am sleeping so much better and feel results already.


That's awesome. Congratulations.

High pressure causes an increase in the CA index, so see if that's what happened.

As long as your leak rate is under control, loosening the straps won't affect your AHI.

There really is no significant difference between an AHI of 0.8 and 2.4. Don't worry about it. And yes, it is normal for it to vary that much.

Do not change your pressure settings again. You need to establish a baseline of data, and you can't do that if you change the pressure.

Sleepster
Apnea Board Moderator
www.ApneaBoard.com


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.
12-11-2013 03:44 PM
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me50 Offline

Advisory Members

Posts: 2,559
Joined: Aug 2013

Machine: resmed S9 VPAP Auto
Mask Type: Nasal mask
Mask Make & Model: Wisp and Silicone Head gear
Humidifier: resmed H5i
CPAP Pressure: 18/8
CPAP Software: SleepyHead

Other Comments:

Sex: Undisclosed
Location: USA

Post: #7
RE: How much improvement/variation
What Sleepster said
12-11-2013 04:24 PM
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