Abstract
PurposeTo describe the safety and efficacy of prostatic artery embolization (PAE) with spherical microparticles to treat lower urinary tract symptoms associated with benign prostatic hyperplasia in patients with prostate volume > 90 g. Materials and MethodsThis prospective, single-center, single-arm study was conducted in 35 patients with prostate volumes ranging from 90–252 g. Mean patient age was 64.8 years (range, 53–77 y). Magnetic resonance imaging, uroflowmetry, and the International Prostate Symptom Score (IPSS) were used to assess clinical and functional outcomes. ResultsMean prostate size decreased significantly from 135.1 g before PAE to 91.9 g at 3 months of follow-up (P < .0001). Mean IPSS and quality-of-life index improved from 18.3 to 2.7 and 4.8 to 0.9 (P < .0001 for both), respectively. A significant negative correlation was observed between prostate-specific antigen at 24 hours after PAE and IPSS 3 months after PAE (P = .0057). ConclusionsPAE is a safe and effective treatment for lower urinary tract symptoms secondary to benign prostatic hyperplasia in patients with prostate volume > 90 g. Excessively elevated prostate-specific antigen within 24 hours of PAE is associated with lower symptom burden in short-term follow-up.
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