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[split] High AHI Levels
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Hadleyro Offline


Posts: 6
Joined: Nov 2015

Machine: Philips Resporonics System One Auto BiPap
Mask Type: Hybrid
Mask Make & Model: Amara View
Humidifier: None
CPAP Pressure: Unsure
CPAP Software: SleepyHead

Other Comments:

Sex: Male
Location: Decorah, Iowa

Post: #1
[split] High AHI Levels
My average AHI is over 15. I'm not getting good support from my Dr. or equipment provider. We have moved from Cpap to Bipap and changed masks but my AHI still stays high on average. I have Afib and am hopeful that if we can lower my AHI the Afib will go decrease. I just installed Sleepyhead and this is my chart - any advice or feedback is appreciated!

CPAP Statistics
63 days of CPAP Data, between Wed Aug 19 2015 and Thu Nov 5 2015
Details Most Recent Last Week Last 30 Days Last 6 Months Last Year
CPAP Usage
Average Hours per Night 08:22 07:07 06:28 06:16 06:16
Compliance 100% 100% 87% 87% 87%
Therapy Efficiacy
AHI 15.75 28.36 17.74 18.23 18.23
Obstructive Index 0.72 0.59 0.67 0.52 0.52
Hypopnea Index 13.96 19.86 11.62 10.53 10.53
Clear Airway Index 1.07 7.91 5.45 7.19 7.19
Flow Limitation Index 0.00 0.00 0.00 0.00 0.00
RERA Index 4.18 1.43 0.95 0.57 0.57
% of time in Cheyne Stokes Respiration 8.04% 12.22% 8.16% 8.32% 8.32%
Leak Statistics
Average Leak Rate 5.46 4.22 3.80 4.27 4.27
90% Leak Rate 16.00 12.00 11.00 13.00 13.00
% of time above Leak Rate threshold 0.00% 1.22% 2.07% 2.69% 2.69%
Pressure Statistics
Average EPAP 5.00 5.00 5.00 5.00 5.00
Min EPAP 5.00 5.00 4.00 4.00 4.00
Max EPAP 5.00 5.00 5.00 5.00 5.00
Average IPAP 10.00 10.00 10.00 10.00 10.00
90% IPAP 10.00 10.00 10.00 10.00 10.00
Min IPAP 10.00 10.00 9.00 9.00 9.00
Max IPAP 10.00 10.00 10.00 10.00 10.00
11-06-2015 09:50 PM
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zonk Offline

Advisory Members

Posts: 7,946
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: High AHI Levels
Hi Hadleyro
Your AHI is mostly hypopneas, if using APAP, I would say bump the lower pressure a bit and should be enough to deal with that. But, since you're using Auto BiPap and have Afib, you'll ned to listen to someone who are familiar with your machine and the heart condition
11-07-2015 03:29 AM
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cate1898 Offline

Advisory Members

Posts: 786
Joined: Aug 2015

Machine: PR System One 560BT Auto
Mask Type: Nasal pillows
Mask Make & Model: P10's/backup-DreamWear
Humidifier: PR attached
CPAP Pressure: 8.5 - 13. A-Flex 3
CPAP Software: SleepyHead

Other Comments: Began CPAP Therapy Sept. 11, 2015. Hx Hypertension, Post Graves Disease, chronic migraines.

Sex: Female
Location: Southern Ontario//SW Florida

Post: #3
RE: [split] High AHI Levels
Hi Hadleyro and welcome to ApneaBoard forum!! Good luck with your therapy!

APNEABOARD - A great place to be if you're a hosehead!! Rolleyes

11-07-2015 06:44 PM
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Sleeprider Offline
Wiki Editor
Advisory Members

Posts: 3,872
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: #4
RE: [split] High AHI Levels
Your A-fib and periodic breathing are complications that require careful consideration by a professional knowlegable in treating complex apnea. This is not obstructive sleep apnea, and neither APAP or BiPAP are normally effective in treating complex apnea and periodic breathing. You might need to consider an adaptive servo ventilator (ASV), however, that decision really needs a doctor familiar with the risks of your cardio condition and how that is affecting your sleep respiration. A high AHI as indicated by a machine, rather than polysomnograpy is an incomplete picture in your case. I think at a minimum you need to evaluate the degree to which this may be causing desaturations of oxygen, and the risks that could involve.

You appear to have complex apnea, and I'm surprised with your cardiac risk factors you have not been referred for further evaluation at a sleep clinic. This doesn't sound like a DIY project.

Organize your SleepyHead Data
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Robysue's Beginner's Guide to Sleepyhead
11-07-2015 08:51 PM
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