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[Equipment] Possible ResMed AirCurve 10 ST issue
#1
Possible ResMed AirCurve 10 ST issue
I've been using a Resmed AirCurve 10 ST for over a year now and loving it. I've even taken it with me while tent camping and had no issues. I started out with the VAuto but I had to switch to the ST after experiencing treatment induced centrals. Suddenly over the past month my machine has started to feel as if its smothering me as I try to fall asleep, its like the pressure seems to drop after a while to the point that I have to remove my mask just to feel like I can breathe. No changes have been made, and I change filters and other equipment as recommended. I have swapped the mask and head gear, hose, and filter, as well as the water tank to make sure there was no issue with them, and it didn't help. I have an appointment with my Dr but they can't see me until the 31st. Has anyone else had this issue or know what may be going on? Its gotten to the point that I dread having to go to sleep because I'm equally afraid to use my machine and not use it at the same time. My apnea is so bad that during my initial study the tech woke me up to put me on the machine, he said it was the worst he had ever seen, I apparently had 162 events in the first hour. So I'm sure you can understand why even the thought of attempting to sleep without it is unsettling. Any advice would be greatly appreciated. Also dont know if its associated or not but around the same time I started to notice that my mask started whistling from the small vent hole in the top (don't know the official name) when I move my head. It still does this after swapping all the equipment (i.e. filter, mask and head gear, hose, and water tank)
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#2
RE: Possible ResMed AirCurve 10 ST issue
Welcome to Apnea Board,

I'll suggest you get the free OSCAR chart in the link at the top of the page. It's safe to download and use. Paired with a standard SD card up to 32 GB in the SD slot on the left side of your ST machine before you sleep, the machine will load your detailed sleep data. It can only give summary data if the SD card is inserted after sleeping.

You can then use this SD card to load info into OSCAR on your computer, creating very detailed charts you can attach to your post here. This helps us help you with this issue in therapy.

Meantime, tell us what info can be gleaned from your ST machine display. What events are showing? What settings are you running?

In most cases, treatment emergent Central Apnea will diminish over time. And unfortunately, the ST is old technology for treating any version of Central Apnea. It's rather limited and not as smart as hoped. The new CA therapy is the ASV, not saying you'll need it, but that's the machine progression available.
Mask Primer

Positional Apnea

Attach OSCAR, etc.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#3
RE: Possible ResMed AirCurve 10 ST issue
Thank you for the reply and the info, I just grabbed the OSCAR, and have attached my charts. It looks like I have a significant leak somewhere. My mask seems to be okay, but I do have a full beard so it could be leaking without my knowledge as I move around at night. I really hate to hear that about the ST machine, this is the second machine I've had to buy in as many years and I honestly can't afford to keep purchasing a new one every year. I may have to consider selling my old machines to help offset the cost of a new one if I have to switch again, I was holding on to them just in case I had to revert back.


Attached Files Thumbnail(s)
       
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#4
RE: Possible ResMed AirCurve 10 ST issue
The leaks are blocking therapy. It's high enough the ST may be even not accurately following your event needs. I'm thinking this is target 1 to fix at this time.

You may want Cycle to go back to Medium, it may be switching back to EPAP/exhale too easily.
Mask Primer

Positional Apnea

Attach OSCAR, etc.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#5
RE: Possible ResMed AirCurve 10 ST issue
There is nothing this device is doing that an Aircurve Vauto can't match unless you have a backup rate set. Otherwise you are getting fixed, bilevel therapy with a square-wave pressure transition. Are you using a backup rate? Did you ever use very-high trigger with your Vauto? The leaks need to be fixed to validate the therapy.
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
Download OSCAR Software
Soft Cervical Collar
Optimizing Therapy
Organize your OSCAR Charts
Attaching Files
Mask Primer
How To Deal With Equipment Supplier


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.
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#6
RE: Possible ResMed AirCurve 10 ST issue
I'm not sure about the backup rate, my first machine was a Vauto and I started having issues after about 6 months to a year. I had a new in center sleep study done using my machine and they told me I was having treatment induced centrals and needed the ST. Once I switched over to the ST I was fine until recently. I honestly have no idea, I'm still new to all this and at this point I'm losing my mind because it feels like I'm danged if I do and danged if I don't. Here are my current settings, they were set when I first got my machine

Mode - ST
IPAP - 13
EPAP - 8
Resp. Rate - 11
Ti max - 3s
Ti min - 0.3s
Rise - min
Trigger - Very High
Cycle - Very High
Mask - Full Face

Comfort
Ramp Time - Off
Climate Control - Manual 
Tube Temp - 77°F
Humidity Level - 5
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#7
RE: Possible ResMed AirCurve 10 ST issue
Do you happen to have the detailed sleep study? Post the info redacted of your personal info, at the least the doctor recommendations and events table showing event type and count.

Regardless, unless you have lung disease, the ST is wrong for you. Old square waves can't be all that comfortable.
Mask Primer

Positional Apnea

Attach OSCAR, etc.

INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEBSITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
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#8
RE: Possible ResMed AirCurve 10 ST issue
Download the free OSCAR software which will give us detailed charts and respiratory statistics to help. The backup respiration rate (11) should be approximately your median respiration rate minus 3 per minute. I recommend changing cycle sensitivity to medium. and rise time to medium or maximum. A detailed evaluation of your Oscar flow rate charts and other information would result in a lot more certainty.
Sleeprider
Apnea Board Moderator
www.ApneaBoard.com

____________________________________________
Download OSCAR Software
Soft Cervical Collar
Optimizing Therapy
Organize your OSCAR Charts
Attaching Files
Mask Primer
How To Deal With Equipment Supplier


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.
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#9
RE: Possible ResMed AirCurve 10 ST issue
The screenshots from OSCAR are attached to one of my replies already. My apologies if I didn't upload them correctly
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