Erectile function following brachytherapy, external beam radiotherapy, or radical prostatectomy in prostate cancer patients.

For localized prostate cancer, treatment options include external beam radiotherapy (EBRT), radical prostatectomy (RP), and brachytherapy (BT). Erectile dysfunction (ED) is a common side-effect. Our aim was to evaluate penile erectile function (EF) before and after BT, EBRT, or RP using a validated self-administered quality-of-life survey from a prospective registry.

Analysis included 478 patients undergoing RP (n = 252), EBRT (n = 91), and BT (n = 135) with at least 1 year of follow-up and EF documented using IIEF-5 scores at baseline, 6 weeks, 6 months, 1 year, and annually thereafter.

Differences among treatments were most pronounced among patients with no or mild initial ED (IIEF-5 ≥ 17). Overall, corrected for baseline EF and age, BT was associated with higher IIEF-5 scores than RP (+ 7. 8 IIEF-5 score) or EBRT (+ 3. 1 IIEF-5 score). EBRT was associated with better IIEF-5 scores than RP (+ 4. 7 IIEF-5 score). In patients undergoing EBRT or RP with bilateral nerve sparing (NS), recovery of EF was observed and during follow-up, the differences to BT were not statistically significant. Overall age had a negative impact on EF preservation (corrected for baseline IIEF).

In our series, EF was adversely affected by each treatment modality. Considered overall, BT provided the best EF preservation in comparison to EBRT or RP.

Strahlentherapie und Onkologie : Organ der Deutschen Rontgengesellschaft . . . [et al]. 2015 Dec 28 [Epub ahead of print]

P M Putora, D Engeler, S R Haile, N Graf, K Buchauer, H P Schmid, L Plasswilm

Department of Radiation Oncology, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland. , Department of Urology, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland. , Clinical Trials Unit, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland. , Clinical Trials Unit, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland. , Department of Radiation Oncology, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland. , Department of Urology, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland. , Department of Radiation Oncology, Kantonsspital St. Gallen, 9007, St. Gallen, Switzerland.

PubMed

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