Prostatic Artery Embolization in Nonindex Benign Prostatic Hyperplasia Patients: Single-center Outcomes for Urinary Retention and Gross Prostatic Hematuria.

To present outcomes for prostatic artery embolization (PAE) to treat urinary retention and gross prostatic hematuria in nonindex benign prostatic hyperplasia patients. Seventy-five patients undergoing PAE from December 2013 to August 2018 (age = 77.5 ± 8.6, age-adjusted Charlson comorbidity index = 4.6 ± 2.0, prostate volume = 224 mL ± 135 mL) for retention (n = 46) and/or gross prostatic hematuria (n = 55) were retrospectively reviewed. Twenty-six patients had both problems. Urinary retention patients (UR, n = 46, catheterization = 162.4 ± 148.1 days) underwent voiding trials 1-2 months post-PAE, with International Prostate Symptom Score (IPSS), Quality of Life (QoL), and postvoid residual (PVR) recorded at 3, 6, 12, 24, and 36 months. Pre- and post-PAE hematuria-related visits were compared for gross hematuria patients (GH, n = 39), as were transfusion rates for severe hematuria patients requiring bladder irrigation (SH, n = 16). Ninety-day adverse event tabulation used Clavien-Dindo classification. Three months post-PAE, 33/38(87%) UR patients were catheter-free (IPSS = 8.9 ± 5.3, QoL = 1.6 ± 1.7, PVR = 158 mL ± 207 mL). Results were similar at 6 months (catheter-free = 26/28(93%), IPSS = 6.5 ± 4.4, QoL = 1.1 ± 0.9, PVR = 149 mL ± 139 mL), 12 months (catheter-free = 19/20(95%), IPSS = 4.7 ± 4.8, QoL = 0.6 ± 0.9, PVR = 125 mL ± 176 mL), 24 months (catheter-free = 11/12(92%), IPSS = 4.4 ± 3.0, QoL = 0.9 ± 0.8, PVR = 66 mL ± 68 mL), and 36 months (catheter-free = 5/6(83%), IPSS = 5.8 ± 3.8, QoL = 0.8 ± 1.0, PVR =99 mL ± 71 mL). Out of 37, 34(92%) GH patients remained hematuria-free at 483 ± 137 days, with 22 hematuria-related visits pre-PAE vs none post-PAE. Hematuria resolved <48 hours post-PAE in 14/16(87.5%) SH patients, with 36 blood units transfused pre-PAE, 4 units transfused <48 hours post-PAE, and none thereafter. Subsequently, 13/16(81%) remained hematuria-free at 500 ± 501 days; 2/16(13%) required fulguration; 1/16(6%) developed bladder tumor. There were 2 deaths <30 days post-PAE, and 8(11%) Grade-II urinary infections. PAE provided safe, effective, and durable treatment for retention and gross hematuria in nonindex benign prostatic hyperplasia patients.

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