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. 2022 Sep;45(9):1324-1336.
doi: 10.1007/s00270-022-03199-8. Epub 2022 Jul 1.

Long-Term Outcome of Prostatic Artery Embolization for Patients with Benign Prostatic Hyperplasia: Single-Centre Retrospective Study in 1072 Patients Over a 10-Year Period

Tiago Bilhim  1   2   3 , Nuno Vasco Costa  4   5   6 , Daniel Torres  4   5   6 , Luís Campos Pinheiro  5   6 , Erik Spaepen  7
Affiliations

Long-Term Outcome of Prostatic Artery Embolization for Patients with Benign Prostatic Hyperplasia: Single-Centre Retrospective Study in 1072 Patients Over a 10-Year Period

Tiago Bilhim et al. Cardiovasc Intervent Radiol. 2022 Sep.

Abstract

Purpose: Assess long-term outcomes of prostatic artery embolization (PAE) for patients with benign prostatic hyperplasia (BPH).

Materials and methods: Single centre retrospective study from 2009-2019 including 1072 patients who received PAE and had available follow-up. Patients were evaluated yearly at 1-10 years post PAE using the International Prostate Symptom Score (IPSS) and quality of life (QoL), prostate volume (PV), prostate-specific antigen (PSA), peak urinary flow rate (Qmax) and postvoid residual (PVR) volume. The need for prostatic medication, re-intervention rates, repeat PAE and prostatectomy rates were assessed with Kaplan-Meier survival analysis and compared between different embolic agents using Cox regression analysis.

Results: Mean follow-up time was 4.39 ± 2.37 years. At last follow-up visit, mean IPSS and QoL improvements were - 10.14 ± 8.34 (p < .0001) and - 1.87 ± 1.48 (p < .0001) points, mean PV reduction was - 6.82 ± 41.11 cm3 (p = 0.7779), mean PSA reduction was - 1.12 ± 4.60 ng/mL (p = 0.9713), mean Qmax increase was 2.72 ± 6.38 mL/s (p = 0.0005), mean PVR reduction was - 8.35 ± 135.75 mL (p = 0.6786). There were 335 patients (31.3%) needing prostatic medication after PAE. Re-intervention rates were 3.4% at 1 year, 21.1% at 5 years and 58.1% at 10 years. Repeat-PAE rates were 2.3% at 1 year, 9.5% at 5 years and 23.1% at 10 years. Prostatectomy rates were 1.1% at 1 year, 11.6% at 5 years and 35.0% at 10 years. No significant differences were found between polyvinyl alcohol particles, Bead Block, Embospheres and Embozenes.

Conclusion: PAE induces durable long-term LUTS relief, with re-intervention rates of 20% in the first 5 years and 30%-60% > 5 years post-PAE.

Keywords: Benign prostatic hyperplasia (BPH); Benign prostatic obstruction (BPO); Bladder outlet obstruction (BOO); Long-term; Lower urinary tract symptoms (LUTS); Prostatic artery embolization (PAE).

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References

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