Impotence Following Radical Prostatectomy: Insight Into Etiology and Prevention

No AccessJournal of Urology1 Sep 1982Impotence Following Radical Prostatectomy: Insight Into Etiology and Prevention Patrick C. Walsh, and Pieter J. Donker Patrick C. WalshPatrick C. Walsh More articles by this author , and Pieter J. DonkerPieter J. Donker More articles by this author View All Author Informationhttps://doi.org/10.1016/S0022-5347(17)53012-8AboutPDF ToolsAdd to favoritesDownload CitationsTrack CitationsPermissionsReprints ShareFacebookLinked InTwitterEmail This study was undertaken to identify the cause of impotence in men undergoing radical prostatectomy, with the hope that this information may provide insight into the possible prevention of this complication. The autonomic innervation of the corpora cavernosa in the male fetus and newborn was traced to determine the topographical relationship between the pelvic nerve plexus, and the prostate, urethra and urogenital diaphragm. We have demonstrated that the branches of the pelvic plexus that innervate the corpora cavernosa are situated between the rectum and urethra, and penetrate the urogenital diaphragm near or in the muscular wall of the urethra. Injuries to the pelvic plexus can occur in 2 ways: 1) during division of the lateral pedicle and 2) at the time of apical dissection with transection of the urethra. Thirty-one men who underwent radical retropubic prostatectomy were evaluated to determine risk factors that correlated with postoperative impotence: 5 (16 per cent) were fully potent, 7 (23 per cent) had partial erections that were inadequate for sexual intercourse and 19 (61 per cent) had total erectile impotence. The 2 factors that had a favorable influence on postoperative potency were age and pathologic stage of the lesion: 31 per cent of the patients less than 60 years old were potent versus only 6 per cent of the patients more than 60 years, while 33 per cent of the patients with tumor microscopically confined to the prostatic capsule were potent versus only 5 per cent of those with capsular penetration. When the factors of age and capsular penetration were combined 60 per cent of the men less than 60 years old who had an intact prostatic capsule were potent. Arterial insufficiency and psychogenic factors were excluded as major contributing factors by the finding of normal penile blood flow and absence of nocturnal penile tumescence in the impotent patients. We conclude that impotence after radical prostatectomy results from injury to the pelvic nerve plexus that provides autonomic innervation to the corpora cavernosa. Further studies will be necessary to determine whether refinements in surgical technique, especially during ligation of the lateral pedicle and apical dissection, can prevent this complication. © 1982 by The American Urological Association Education and Research, Inc.FiguresReferencesRelatedDetailsCited ByAvulova S, Zhao Z, Lee D, Huang L, Koyama T, Hoffman K, Conwill R, Wu X, Chen V, Cooperberg M, Goodman M, Greenfield S, Hamilton A, Hashibe M, Paddock L, Stroup A, Resnick M, Penson D and Barocas D (2018) The Effect of Nerve Sparing Status on Sexual and Urinary Function: 3-Year Results from the CEASAR StudyJournal of Urology, VOL. 199, NO. 5, (1202-1209), Online publication date: 1-May-2018.Lundgren P, Kjellman A, Norming U and Gustafsson O (2018) Long-Term Outcome of a Single Intervention Population Based Prostate Cancer Screening StudyJournal of Urology, VOL. 200, NO. 1, (82-88), Online publication date: 1-Jul-2018.Lepor H (2016) Surgical Treatment of Prostate CarcinomaJournal of 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NO. 1 Part 1, Online publication date: I and (2018) Treatment for Muscle of the of Urology, VOL. NO. 6, Online publication date: K, P, H, H and F (2018) Cystectomy and Bladder after Preoperative for Bladder CancerJournal of Urology, VOL. NO. 3, Online publication date: and A (2018) Sexual Function and Radical Cystectomy: A of Urology, VOL. NO. 3, Online publication date: J and Walsh P (2018) Radical Prostatectomy with of Sexual Function: in the of Urology, VOL. NO. 6, Online publication date: D and G (2018) of the Prostate: An on of With a Commentary on the of of Urology, VOL. NO. 6, Online publication date: H, M, R, F and Walsh P (2018) of the Autonomic Nerves From the pelvic to the a Anatomical Study of the Male of Urology, VOL. NO. 2, Online publication date: P, Lue T, R, G and J (2018) of Urology, VOL. NO. 2, Online publication date: (2018) by of Urology, VOL. NO. 2, Online publication date: E and Resnick M (2018) Radical ProstatectomyJournal of Urology, VOL. NO. 6, Online publication date: R, R, G and J (2018) Prostatectomy for Localized CancerJournal of Urology, VOL. NO. 1, Online publication date: T, S, R and E (2018) of to of Urology, VOL. NO. 2, Online publication date: H (2018) A View of the of Urology, VOL. NO. 5, Online publication date: T, T and K (2018) Further of the Urethral in Study during and of to of Urology, VOL. NO. 6, Online publication date: E (2018) and the of Urology, VOL. NO. 6, Online publication date: 1982 by The American Urological Association Education and Research, Patrick C. Walsh More articles by this author Pieter J. Donker More articles by this author All