TUCBDP procedure: step by step.
Transurethral columnar balloon dilation — 10-25 min procedure, local anesthesia with sedation. Published studies report 1.9-2.9 day hospital stay.
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Procedure chapters
Patient preparation
~1 min. Sedation (RASS −2 to −3), urethral lidocaine, standard lithotomy position.
Device insertion
~2 min. Cystoscopic assessment, guidewire-directed catheter placement into prostatic urethra.
Anchoring & positioning
~2 min. Anchor Balloon (10-15 mL) at bladder neck. Position Balloon confirms placement — no ultrasound needed.
Columnar dilation
~3 min. Working Balloon at 1 ATM/30 sec to 3-4 ATM. Maintained 5 min with vitals monitoring.
Removal & completion
~1 min. Sequential deflation, catheter withdrawn. Cystoscopic confirmation. Immediate voiding trial.
Expert commentary
~3 min. Key points: positioning accuracy, slow inflation to avoid spasm, ultrasound guidance for early cases.
Post-procedure outcomes
IPSS reduced 67% (20.2→6.6), Qmax increased 103% (8.91→18.11 mL/s), ejaculation preserved in ~95.6%. Data from published peer-reviewed studies.
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Request a demoFor medical education purposes. The procedure should be performed only by qualified urologists with appropriate training. Individual results may vary.