Comparison of Clinical Outcomes of Prostatic Artery Embolization with 50-μm Plus 100-μm Polyvinyl Alcohol (PVA) Particles versus 100-μm PVA Particles Alone: A Prospective Randomized Trial

医学 国际前列腺症状评分 下尿路症状 前列腺 不利影响 泌尿科 生活质量(医疗保健) 随机对照试验 增生 外科 内科学 癌症 护理部
作者
Mao Qiang Wang,Jin Long Zhang,Hai Nan Xin,Kai Yuan,Jieyu Yan,Yan Wang,Guo Dong Zhang,Jinxin Fu
出处
期刊:Journal of Vascular and Interventional Radiology [Elsevier]
卷期号:29 (12): 1694-1702 被引量:55
标识
DOI:10.1016/j.jvir.2018.06.019
摘要

Purpose To evaluate the safety and efficacy of prostatic artery embolization (PAE) using the combination of 50-μm and 100-μm polyvinyl alcohol (PVA) particles versus 100-μm PVA particles alone in the treatment of patients with symptomatic benign prostatic hyperplasia (BPH). Materials and Methods Over a 5-year period, 120 patients treated with PAE for lower urinary tract symptoms (LUTS) secondary to BPH were randomized to undergo embolization with 50-μm plus 100-μm PVA particles (group A) or 100-μm PVA particles alone (group B). Mean follow-up time was 34 months (range, 12–57 mo). There were no differences between groups regarding baseline data. Primary outcome measurements included change in International Prostate Symptom Score (IPSS) and incidence of adverse events. Secondary outcome measurements included procedure-associated pain, prostate ischemia measured on magnetic resonance (MR) imaging 1 week after PAE, and changes over time in quality of life (QOL) questionnaire, peak urinary flow rate (Qmax), postvoid residual (PVR) volume, prostate volume (PV), prostate-specific antigen (PSA) level, and International Index of Erectile Function (IIEF) were evaluated. Recurrence of LUTS following PAE was defined as relief of LUTS temporally but increased IPSS ≥ 8 or QOL score ≥ 3 or decrease in Qmax to < 7 mL/s. Results Mean follow-up periods were 35 months ± 22 in group A and 33 months ± 25 in group B (P = .629). No differences between groups regarding procedural details, pain scores, or adverse events were noted (P > .05). At 24 month of follow-up, patients in group A had a greater decrease in mean IPSS (18.7 ± 12.5 vs 14.8 ± 13.5), QOL score (3.7 ± 1.5 vs 2.4 ± 1.8), Qmax (10.5 mL ± 9.5 vs 6.8 mL ± 5.0), PVR (92.0 mL ± 75.0 vs 60.0 mL ± 55.0), and PV (37.0 mL ± 19.5 vs 25.5 mL ± 15.0) compared with patients in group B (P < .05 for all). Mean ratios of prostate ischemic volume at 1 week after PAE were 70% ± 20 in group A and 41% ± 25 in group B (P = .021); mean PSA levels at 24 hour after PAE were 92.5 ng/mL ± 55.0 in group A and 77.5 ng/mL ± 45.0 in group B (P = .031); LUTS recurrence rates were 3.6% in group A and 14.6% in group B (P = .024). The mean IIEF-5 was not significantly different from baseline in either group. Conclusions PAE with 50-μm plus 100-μm PVA particles resulted in greater improvement in clinical and imaging outcomes and no significant differences in adverse events compared with 100-μm PVA particles alone.
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