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Thread: Leg bag fills expands like balloon from air. What is up??

  1. #1
    Senior Member Tim C.'s Avatar
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    Oct 2002
    New Jersey
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    Leg bag fills expands like balloon from air. What is up??

    I hate this SCI, hate everything to do with it, and I hate having to ask questions. Making matters worse, doctors know shit about it, and when they do, they're half-guessing.
    The only source of knowledge are other SCI. Our experience is our knowledge..

    Please, anyone, have you a similar experience?
    I'm finding my leg-bags are not only filling with urine (a good thing) but also puffing up the void above the urine with air, resembling a "full" bag when viewing from outside my pant-leg.
    When it first occurred I wrote it off as an anomaly, but after it it kept happening I'm left wondering: Is my bladder passing air, gas or?

    I get it we're freaks, but what's up with this?
    Responses appreciated.

  2. #2
    It's happened to me in the past, but I never really gave it much thought.

  3. #3
    Senior Member Tim C.'s Avatar
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    Quote Originally Posted by Rustyjames View Post
    It's happened to me in the past, but I never really gave it much thought.
    Same thought here Rusty, but I stopped believing in the paranormal and convinced there's a reason for everything.
    How can a bag fill up with air like Jiffy-Pop?

  4. #4
    Senior Member jschism's Avatar
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    Aug 2010
    illinois, and no, chicago is not anywhere near where i live
    I would guess maybe it is built up pressure in the bladder due to muscle spasms? I don't have a foley, but sometimes when I use straight cath, a "puff" of air comes out every once in a while. You can almost hear like a "pop" when the cath enters the bladder.

  5. #5
    According to this report, it isn't air inside the bag, it is gas caused by the introduction of gas producing bacteria into the leg bag, while connecting directly to or by extension tubing to the leg or night drainage bag.

    Urease producing bacteria is producing gas. The most common are:

    Proteus mirabilis and Proteus vulgaris
    Ureaplasma urealyticum
    , a relative of Mycoplasma spp.
    Campylobacter ureolyticus
    s spp.
    Helicobacter pylori
    Enteric bacterier inkl. Proteus spp., Klebsiella spp., Morganella, Prividencia, Serriata
    spp, Brucella Staphylococcus saprophyticus Pseudomonas

    It has up to now, been discussed if E.coli is producing urease. Several research groups have performed a lot investigation in that area, and have reached the conclusion that at least 2 or 3 E.coli strains produce urease (8).
    It is here shown that the great amount of gas (air) occurring in the urine drainage bag, most probably comes from gas formed by the bacteria which has come into the urine drainage bag. The bacteria can be of various types, including the patient’ s own bacterial flora, often via the carers handling and bad habits. The probability of bacterial contamination is significant when using the traditional manual connection of urine drainage bag tube to the *uridome.

    *Urodomes are external catheters.
    Last edited by gjnl; 01-24-2017 at 08:45 PM.

  6. #6
    Sometimes when I empty my legbag I do not squeeze it flat or close it quickly. Air gets in then and when it fills with urine that air stays above the urine.
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  7. #7
    Senior Member lynnifer's Avatar
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    Aug 2002
    Windsor ON Canada
    Exactly what 55 said above .. make sure the person who attaches the bag for you has flattened it completely of air.
    Roses are red. Tacos are enjoyable. Don't blame immigrants, because you're unemployable.

    T-11 Flaccid Paraplegic due to TM July 1985 @ age 12

  8. #8
    Senior Member Timaru's Avatar
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    Apr 2006
    Hampshire, England.
    Could there be a small hole in the tubing that's allowing air to be sucked into the system by the syphoning effect of the urine passing down into the bag?

  9. #9

  10. #10
    Whatever the cause, I've never experienced air/gas in my leg bag as has been described. I use a Urocare Vinyl Disposable leg bag (I use two a month). I don't think it is vented. It has a red flutter valve at the top.

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