Ten-year outcomes of sexual function after radical prostatectomy: Results of a prospective longitudinal study - Abstract

BACKGROUND: The long-term impact of radical prostatectomy (RP) on sexual function (SF) and erectile function (EF) has important implications related to the risk-to-benefit ratio of this treatment.

OBJECTIVE: To determine the long-term effect of RP on male SF and EF over 10 yr of follow-up.

DESIGN, SETTING, AND PARTICIPANTS: This was a prospective, longitudinal outcomes study in 1836 men following RP at a university hospital. Men were invited to complete the University of California, Los Angeles, Prostate Cancer Index SF survey at baseline, 3, 6, 12, 24, 96, and 120 mo postoperatively and a survey at 4 and 7 yr postoperatively assessing global changes in their EF over the preceding 2 yr.

INTERVENTION: All men underwent open RP.

OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS: Multiple, generalized linear regression models were used to evaluate the association between time following RP and SF and EF scores controlling for age, prostate-specific antigen, Gleason scores, stage, nerve sparing, race, and marital status.

RESULTS AND LIMITATIONS: After an expected initial decline, time-dependent improvements in SF and EF were observed through 2 yr postoperatively. Overall, SF and EF were both generally stable between 2 and 10 yr following RP. The subgroups of younger men and men with better preoperative function were more likely to maintain their EF and SF through 10 yr following RP. The primary limitation is the potential bias attributable to nonresponders.

CONCLUSIONS: The recovery of EF can extend well beyond 2 yr. There is a significant association between younger age and better preoperative function and the likelihood of experiencing improvements beyond 2 yr. Assessing the comparative effectiveness of treatment options for localized prostate cancer must examine SF beyond 2 yr to account for delayed treatment effects and the natural history of SF in the aging male population.

Written by:
Sivarajan G, Prabhu V, Taksler GB, Laze J, Lepor HL.   Are you the author?
Department of Urology, New York University Langone Medical Center, New York, NY, USA.

Reference: Eur Urol. 2013 Aug 26. pii: S0302-2838(13)00847-6.
doi: 10.1016/j.eururo.2013.08.019


PubMed Abstract
PMID: 24007711

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