Randomized Comparison of Prostatic Artery Embolization versus Transurethral Resection of the Prostate for Treatment of Benign Prostatic Hyperplasia

Context Prostatic artery embolization (PAE) has been introduced into clinical practice for the treatment of lower urinary tract symptoms secondary to benign prostatic hyperplasia (BPH-LUTS) despite a lack of high-level evidence. Objective To perform a systematic review and meta-analysis of clinical trials comparing efficacy and safety of PAE versus established surgical therapies. Evidence acquisition Medline, Embase, and York CRD were searched up to June 23, 2018. Only comparative studies were included. The risk of bias was assessed by the Cochrane Collaboration tool. Meta-analyses were performed using RevMan 5.3. Evidence synthesis Five studies including 708 patients met the selection criteria. Risk of bias was rated high for most of the studies. Mean reduction in the International Prostate Symptom Score was lower after PAE compared with standard surgical therapies (mean difference 3.80 points [95% confidence interval: 2.77–4.83]; p  In contrast, patient-reported erectile function (International Index of Erectile Function 5) was better after PAE and significantly fewer adverse events occurred after PAE. Conclusions Moderately strong evidence confirms efficacy and safety of PAE in the treatment of BPH-LUTS in the short term. Significant advantages regarding safety and sexual function, but clear disadvantages regarding all other patient-reported and functional outcomes were found for PAE. Large-scale randomized controlled trials including longer follow-up periods are mandatory before PAE can be considered as a standard therapy and to define the ideal indication for PAE in the management of BPH-LUTS. Patient summary We reviewed the role of prostatic artery embolization (PAE) in the treatment of symptoms associated with benign overgrowth of the prostate. The results suggest that PAE is not as effective as established surgical therapies but has fewer side effects. Further research is required to determine whether PAE is the best treatment for certain types of patients. PAE should, therefore, not yet be considered a standard treatment.

Prostatic Artery Embolization versus Standard Surgical Treatment for Lower Urinary Tract Symptoms Secondary to Benign Prostatic Hyperplasia: A Systematic Review and Meta-analysis.

Prostatic Artery Embolisation Versus Transurethral Resection of the Prostate for Benign Prostatic Hyperplasia: 2-yr Outcomes of a Randomised, Open-label, Single-centre Trial

Background Long-term experience with prostatic artery embolization (PAE) for benign prostatic hyperplasia remains limited. Purpose To evaluate the efficacy, safety, and long-term results of PAE for benign prostatic hyperplasia. Materials and Methods This retrospective single-center study was conducted from June 2008 to June 2018 in patients with moderate to severe benign prostatic hyperplasia-related symptoms. International Prostate Symptom Score (IPSS), quality-of-life score, maximum urinary flow rate, postvoid residual volume, prostate-specific antigen (PSA), and prostate volume were assessed. PAE was performed with 100-500-μm embolic microspheres. Mixed-model analysis of variance and Kaplan-Meyer method was accessed, as appropriate. Results A total of 317 consecutive men (mean age ± standard deviation, 65 years ± 8) were treated. Follow-up ranged from 3 months to 96 months (mean, 27 months). Bilateral and unilateral PAE was performed in 298 (94%) and 19 (6%) men, respectively. Early clinical failure occurred in six (1.9%) and symptom recurrence in 72 (23%) men at a median follow-up of 72 months. Mean maximum improvement was as follows: IPSS, 16 points ± 7; quality-of-life score, 4 points ± 1; prostatic volume reduction, 39 cm3 ± 39 (39% ± 29); maximum urinary flow rate, 6 mL/sec ± 10 (155% ± 293); and postvoid residual volume, 70 mL ± 121 (48% ± 81) (P < .05 for all). Unilateral PAE was associated with higher recurrence (42% vs 21%; P = .04). Baseline PSA was inversely related with recurrence (hazard ratio, 0.9 per nanograms per milliliter of PSA; 95% confidence interval [CI], 0.8, 0.9; P < .001). Embolization with combined particle sizes (100-500 μm) did not relate to symptom recurrence (hazard ratio, 0.4; 95% CI: 0.2, 1.1 for 100-500-μm group vs 300-500-μm group and hazard ratio, 0.4; 95% CI: 0.1, 1.5 for 100-500-μm group vs 100-300-μm group; P = .19).None of the patients presented with urinary incontinence or erectile dysfunction. Conclusion Prostatic artery embolization was a safe and effective procedure for benign prostatic hyperplasia with good long-term results for lower urinary tract symptoms. © RSNA, 2020 Online supplemental material is available for this article.

Prostatic Artery Embolization for the Treatment of Lower Urinary Tract Symptoms Due to Benign Prostatic Hyperplasia: 10 Years' Experience.

Prostatic artery embolization is emerging as an effective and safe treatment of symptomatic benign prostatic hyperplasia.

https://pubs.rsna.org/doi/pdf/10.1148/rg.2019180195

Prostatic Artery Embolization for Benign Prostatic Hyperplasia: Patient Evaluation, Anatomy, and Technique for Successful Treatment.

Objectives To assess the efficacy and safety of prostate artery embolization (PAE) for lower urinary tract symptoms (LUTS) secondary to benign prostatic hyperplasia (BPH) and to conduct an indirect comparison of PAE with transurethral resection of the prostate (TURP). Patients and methods As a joint initiative between the British Society of Interventional Radiologists, the British Association of Urological Surgeons and the National Institute for Health and Care Excellence, we conducted the UK Register of Prostate Embolization (UK-ROPE) study, which recruited 305 patients across 17 UK urological/interventional radiology centres, 216 of whom underwent PAE and 89 of whom underwent TURP. The primary outcomes were International Prostate Symptom Score (IPSS) improvement in the PAE group at 12 months post-procedure, and complication data post-PAE. We also aimed to compare IPSS score improvements between the PAE and TURP groups, using non-inferiority analysis on propensity-score-matched patient pairs. The clinical results and urological measurements were performed at clinical sites. IPSS and other questionnaire-based results were mailed by patients directly to the trial unit managing the study. All data were uploaded centrally to the UK-ROPE study database. Results The results showed that PAE was clinically effective, producing a median 10-point IPSS improvement from baseline at 12 months post-procedure. PAE did not appear to be as effective as TURP, which produced a median 15-point IPSS score improvement at 12 months post-procedure. These findings are further supported by the propensity score analysis, in which we formed 65 closely matched pairs of patients who underwent PAE and patients who underwent TURP. In terms of IPSS and quality-of-life (QoL) improvement, there was no evidence of PAE being non-inferior to TURP. Patients in the PAE group had a statistically significant improvement in maximum urinary flow rate and prostate volume reduction at 12 months post-procedure. PAE had a reoperation rate of 5% before 12 months and 15% after 12 months (20% total rate), and a low complication rate. Of 216 patients, one had sepsis, one required a blood transfusion, four had local arterial dissection and four had a groin haematoma. Two patients had non-target embolization that presented as self-limiting penile ulcers. Additional patient-reported outcomes, pain levels and return to normal activities were very encouraging for PAE. Seventy-one percent of PAE cases were performed as outpatient or day cases. In contrast, 80% of TURP cases required at least 1 night of hospital stay, and the majority required 2 nights. Conclusion Our results indicate that PAE provides a clinically and statistically significant improvement in symptoms and QoL, although some of these improvements were greater in the TURP arm. The safety profile and quicker return to normal activities may be seen as highly beneficial by patients considering PAE as an alternative treatment to TURP, with the concomitant advantages of reduced length of hospital stay and need for admission after PAE. PAE is an advanced embolization technique demanding a high level of expertise, and should be performed by experienced interventional radiologists who have been trained and proctored appropriately. The use of cone-beam computed tomography is encouraged to improve operator confidence and minimize non-target embolizations. The place of PAE in the care pathway is between that of drugs and surgery, allowing the clinician to tailor treatment to individual patients' symptoms, requirements and anatomical variation.

https://onlinelibrary.wiley.com/doi/pdf/10.1111/bju.14249

Efficacy and safety of prostate artery embolization for benign prostatic hyperplasia: an observational study and propensity-matched comparison with transurethral resection of the prostate (the UK-ROPE study).

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Efficacy and safety of prostate artery embolization for benign prostatic hyperplasia: an observational study and propensity-matched comparison with transurethral resection of the prostate (the UK-ROPE study).