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Updated: Jun 24, 2026

Retzius-Sparing Robot-Assisted Radical Prostatectomy

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Published on: May 19, 2022

Erectile function durability following permanent prostate brachytherapy.

Al V Taira¹, Gregory S Merrick, Robert W Galbreath

¹Department of Radiation Oncology, University of Washington, Seattle, WA.

International Journal of Radiation Oncology, Biology, Physics

|March 24, 2009

Summary

This summary is machine-generated.

Erectile function after prostate brachytherapy is durable, with 55.6% potency preservation at 7 years. Factors like age, baseline function, and treatment dose impact outcomes, but some recovery is possible.

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Isolation of Adipose Derived Regenerative Cells for the Treatment of Erectile Dysfunction Following Radical Prostatectomy

Isolation of Adipose Derived Regenerative Cells for the Treatment of Erectile Dysfunction Following Radical Prostatectomy

Published on: December 28, 2021

Area of Science:

Urology
Oncology
Radiation Oncology

Background:

Prostate brachytherapy is a common treatment for localized prostate cancer.
Erectile dysfunction is a significant side effect impacting quality of life.
Long-term data on erectile function following brachytherapy are crucial for patient counseling.

Purpose of the Study:

To evaluate long-term changes in erectile function after prostate brachytherapy.
To identify predictors of erectile function preservation.
To assess the durability of erectile function post-treatment.

Main Methods:

226 prostate cancer patients with preimplant erectile function (International Index of Erectile Function-6, IIEF-6) were analyzed.
Patients underwent brachytherapy in two prospective randomized trials.
Median follow-up was 6.4 years, with potency defined as IIEF-6 > or = 13 without support.

Main Results:

The 7-year actuarial potency preservation rate was 55.6%, with a median IIEF of 22 in potent patients.
Younger age, higher preimplant IIEF, absence of diabetes, and nocturnal erections predicted better outcomes.
Preimplant IIEF, hypertension, diabetes, prostate size, and proximal penile brachytherapy dose were significant predictors in multivariate analysis.

Conclusions:

Erectile function and International Index of Erectile Function scores post-brachytherapy are durable.
Dose sparing of proximal penile structures and early penile rehabilitation may enhance functional outcomes.
A notable proportion of men experiencing postimplant impotence regained erectile function over time.