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What exactly is CBI?

Discussion in 'Urology' started by sugababe81, May 9, 2007.

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  1. sugababe81

    sugababe81 Junior Member

    Aug 27, 2004
    SDN 5+ Year Member

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    I don't know if I understand CBI. What is it exactly and when do you use it? Are there any contra-indications? How do you know when to stop it? Is it only a post-op thing?
  2. cytoskelement

    cytoskelement Dr. D.R.E.

    Oct 10, 2004
    Resident [Any Field]
    SDN 5+ Year Member
    CBI = continous bladder irrigation

    I've seen it used to prevent large clots or break down large clots in the bladder that may cause outlet obstruction. I'm no expert, so I can't speak of the indications and contraindications specifically. Usually, a multi-lumen catheter is placed with a saline solution placed at an appropriate level (so as not to rupture the bladder with excess pressure) and the outlet is drained to gravity.
  3. derhoy1

    derhoy1 Member

    Oct 18, 2005
    CBI is indeed, continuous bladder irrigation.

    Typically used in stubborn cases of gross hematuria in hospitalized patients (which can happen for a variety of reasons).

    Most effective when used with the largest size 3-way foley catheter that can be inserted (typically, a 24 Fr, 3-way foley works well). If there is a clot suspected in the bladder, before starting CBI, hand-irrigating and aspirating sterile saline through the catheter (while plugging the 3rd input where the 3L bag of saline will be hooked up) can be very effective in breaking up and removing the clot. Once the clot has been removed by the hand irrigation/aspiration method (ie - no more clots and urine is returning clear), CBI can be initiated. CBI saline should NEVER be hooked up to an IV pump of any sort as there is a very real risk of bladder rupture should there be some sort of obstruction of the catheter drainage. The rate of CBI can be titrated (downward) to keep the urine clear and, eventually, is d/c'd.

    Hope that helps.

    Have a great day.

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