Bladder irrigation procedure
Continuous bladder irrigation: keep blood and clots moving while protecting drainage
Continuous bladder irrigation, or CBI, runs sterile fluid through a three-way urinary catheter to reduce clot formation and keep urine draining after selected prostate or bladder procedures or significant bleeding. The rate is adjusted to drainage color and clot burden under clinical instructions. The critical safety issue is ensuring outflow continues; fluid entering without adequate drainage can distend or injure the bladder. The useful goal is not to collect isolated facts. It is to understand which finding changes care, what evidence supports the options, and when the question belongs in a scheduled visit rather than urgent care.
Medical review
Medically reviewed by Domenico Savatta, MD, FACS, Innovative Urology.
Last reviewed: July 10, 2026
Review focus: clinical safety, source quality, urgent warning signs, and appointment usefulness.
Quick answer
Continuous bladder irrigation, or CBI, runs sterile fluid through a three-way urinary catheter to reduce clot formation and keep urine draining after selected prostate or bladder procedures or significant bleeding. The rate is adjusted to drainage color and clot burden under clinical instructions. The critical safety issue is ensuring outflow continues; fluid entering without adequate drainage can distend or injure the bladder.
Start with the clinical question, not the search phrase
Continuous bladder irrigation, or CBI, runs sterile fluid through a three-way urinary catheter to reduce clot formation and keep urine draining after selected prostate or bladder procedures or significant bleeding. The rate is adjusted to drainage color and clot burden under clinical instructions. The critical safety issue is ensuring outflow continues; fluid entering without adequate drainage can distend or injure the bladder.
Age, symptoms, prior treatment, medicines, examination findings, laboratory trends, imaging, fertility goals, and personal preferences can change the answer. A page can prepare the discussion, but it cannot safely choose a diagnosis or treatment for an individual patient.
Use evidence to separate a possible option from a promised result
The current results are led by Cleveland Clinic, nursing education, video, PubMed, and catheter-product pages, with an AI Overview and product considerations. Most describe the three-way catheter but do not give patients and caregivers a clear input-output, color, clot, spasm, drainage, and escalation checklist.
Ask whether the claim comes from a guideline, randomized trial, observational study, laboratory theory, testimonial, or marketing page. Then ask whether the measured outcome was symptom relief, a laboratory change, quality of life, fewer complications, or a result that patients can actually feel. Those outcomes are not interchangeable.
Bring the details that change the decision
Bring a dated symptom timeline, current medicines and supplements with doses, prior laboratory results, imaging and procedure reports, relevant pathology, treatment responses, allergies, and the outcome you are trying to improve. Do not stop or combine a prescription medicine because of an online article without speaking with the prescriber.
Before leaving the appointment, identify the working explanation, the first measurable goal, how long the trial should last, which side effects matter, what would trigger a different plan, and who owns follow-up. That turns general information into a safe sequence.
Know when the routine route is no longer appropriate
No drainage while irrigation is running, rapidly worsening lower-abdominal pain or swelling, large clots, bright-red bleeding, fever, confusion, catheter displacement, or fluid leaking around the catheter needs immediate clinical attention.
Severe, sudden, rapidly worsening, or systemic symptoms should be assessed through an urgent clinical route. If the concern is stable, use the related guides below to prepare records, compare options, and find the appointment type that matches the decision.
Decision map for continuous bladder irrigation
| Question | What the evidence can tell you | Useful next step |
|---|---|---|
| Why is CBI being used? | Postoperative bleeding, clot retention, and gross hematuria can require different duration and monitoring. | Know the procedure, bleeding source, and stop criteria. |
| Is output keeping pace with input? | Apparent low urine output may actually mean catheter blockage by clot or a kink. | Track irrigation input, total drainage, net urine, color, and clots. |
| Are spasms expected or a warning? | Spasms can occur, but severe pain with poor drainage can signal obstruction or distention. | Check tubing and seek trained assessment; do not improvise flushing. |
| Who can perform manual irrigation? | Technique, sterility, pressure, and catheter position matter. | Only follow the care team's explicit training and orders. |
Related decision guides
Questions to bring to the visit
What is the most important thing to know about continuous bladder irrigation?
Continuous bladder irrigation, or CBI, runs sterile fluid through a three-way urinary catheter to reduce clot formation and keep urine draining after selected prostate or bladder procedures or significant bleeding. The rate is adjusted to drainage color and clot burden under clinical instructions. The critical safety issue is ensuring outflow continues; fluid entering without adequate drainage can distend or injure the bladder.
What should I discuss with a urologist about continuous bladder irrigation?
Ask which diagnosis or risk is being considered, what evidence supports the available options, what outcome will be measured, what the alternatives are, and what would change the plan.
Which records or details should I bring?
Bring dated symptoms, medicines and supplements with doses, prior labs, imaging, procedure and pathology reports, treatment responses, allergies, and the decision you need help making.
When should I seek urgent care instead of waiting?
No drainage while irrigation is running, rapidly worsening lower-abdominal pain or swelling, large clots, bright-red bleeding, fever, confusion, catheter displacement, or fluid leaking around the catheter needs immediate clinical attention.
How do I judge whether a treatment claim is trustworthy?
Look for authoritative sources, study design, patient-relevant outcomes, known harms, conflicts of interest, and whether major guidelines agree. Treat testimonials and guaranteed results as marketing, not clinical proof.
New Jersey appointment path
Turn the continuous bladder irrigation question into a decision-ready urology visit
Start with the practice directly. Do not send sensitive medical details through public forms; the office can move the conversation into the right intake process.