Intravesical Prostatic Protrusion Predicts the Outcome of a Trial Without Catheter Following Acute Urine Retention

IPP is a useful predictor for evaluating the success of a voiding trial following ARU. Patients with a grade 1 prostate may benefit from a trial without a catheter. However, patients with a grade 3 prostate are less likely to do so and would require a more definitive surgical procedure.