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Mask leak but good AHI
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JayTea26wy Offline

Members

Posts: 4
Joined: Jun 2016

Machine: Dream station
Mask Type: Full face mask
Mask Make & Model: Amera
Humidifier: Unsure
CPAP Pressure: Unsure
CPAP Software: Other Software

Other Comments:

Sex: Male
Location: United States

Post: #1
Mask leak but good AHI
Hi, new here. Details: 1st sleep study and prescribed Dreamstation and large size Amera full face mask. When DOC got my disk and saw results ordered another study.
Then home care company changed pressure to (I don't know what) but after ramp up, I feel more air pressure. Now, I only get a 30% mask fit, leaking, I'm a side sleeper and mouth breather. My AHI is now always below 5. Before it was very high but with good mask fit.
Question: should I care about mask leak as long as AHI is good? Or, does leaking mask make AHI results inaccurate.
06-16-2016 12:18 PM
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kwhenrykerr Offline
Wiki Editor
Advisory Members

Posts: 338
Joined: May 2016

Machine: DreamStation Auto, AirSense 10 Auto
Mask Type: Full face mask
Mask Make & Model: Amara View
Humidifier: Philips, AirSense 10
CPAP Pressure: 11-16
CPAP Software: SleepyHead

Other Comments: 2L added oxygen with CMS50F to check usage

Sex: Male
Location: Florida

Post: #2
RE: Mask leak but good AHI
I just raised my pressure and my leaks went away. Sleep-well

Just my personal opinion. My posts are not medical advice or a statement of fact. Please consult a qualified physician or other qualified medical personnel. Please comply with all applicable laws, codes, regulations, and protocols.
06-16-2016 01:15 PM
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JayTea26wy Offline

Members

Posts: 4
Joined: Jun 2016

Machine: Dream station
Mask Type: Full face mask
Mask Make & Model: Amera
Humidifier: Unsure
CPAP Pressure: Unsure
CPAP Software: Other Software

Other Comments:

Sex: Male
Location: United States

Post: #3
RE: Mask leak but good AHI
Thank you. Unfortunately, when machine blows more air now I get indication of poor mask fit. But, under 5 AHI.
06-16-2016 01:58 PM
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Possum Offline

Advisory Members

Posts: 254
Joined: Oct 2015

Machine: Resmed Airsense Autoset A10
Mask Type: Nasal pillows
Mask Make & Model: Airfit P10
Humidifier: (included in CPAP model)
CPAP Pressure: 8-12
CPAP Software: ResScan SleepyHead

Other Comments: Innovo CMS-50F+ pulse oximeter

Sex: Male
Location: San Diego, California, USA

Post: #4
RE: Mask leak but good AHI
Yes, chronic, high leaks will make your AHI inaccurate. You will need to get leaks under control, which can be challenging and may even require a different mask.
06-16-2016 02:43 PM
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JayTea26wy Offline

Members

Posts: 4
Joined: Jun 2016

Machine: Dream station
Mask Type: Full face mask
Mask Make & Model: Amera
Humidifier: Unsure
CPAP Pressure: Unsure
CPAP Software: Other Software

Other Comments:

Sex: Male
Location: United States

Post: #5
RE: Mask leak but good AHI
Thank you for the reply and information. I'll try again to adjust mask myself. My Homecare/insurance company on Medicare advantage program said I need to wait until the end of July for them to inspect fit of mask for me. I have a call into my Pulminologist to ask for an override and get fitted by a professional at Homecare company.
06-16-2016 03:06 PM
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DeepBreathing Offline
Wiki Editor
Moderators

Posts: 2,375
Joined: Sep 2013

Machine: Resmed S9 VPAP Adapt
Mask Type: Full face mask
Mask Make & Model: F&P Simplus
Humidifier: Resmed H5i
CPAP Pressure: EPAP: 9 - 15 PS: 3 - 10
CPAP Software: ResScan SleepyHead

Other Comments:

Sex: Male
Location: Perth, Western Australia

Post: #6
RE: Mask leak but good AHI
Your machine can tolerate leaks up to a certain level (24 L/min on Resmed machines) but I don't know what the value would be on your Dreamstation. Above the limit, the machine will struggle to provide the correct pressure consistently, and the detection of apneas and hypopneas is suspect. There is a setting for mask type on your machine - check that to ensure it's appropriate for the type of mask you're using. Again, I apologise for my lack of knowledge about the details of the Respironics machines.

Frequent leaks below the threshold won't bother the machine too much, but can disturb your sleep and that of your partner.

DeepBreathing
Apnea Board Moderator
www.ApneaBoard.com


Bed

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.
06-16-2016 08:06 PM
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