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  • Title: Factors predicting preservation of erectile function in men undergoing open radical retropubic prostatectomy.
    Author: Marien T, Sankin A, Lepor H.
    Journal: J Urol; 2009 Apr; 181(4):1817-22. PubMed ID: 19233413.
    Abstract:
    PURPOSE: The development of erectile dysfunction represents a major concern for potent men with localized prostate cancer undergoing open radical retropubic prostatectomy. We identified factors predicting the preservation of erectile function in men undergoing open radical retropubic prostatectomy. MATERIALS AND METHODS: Between October 2000 and September 2005 a total of 1,110 men underwent open radical retropubic prostatectomy by a single surgeon. The UCLA-PCI was self-administered at baseline, and at 3, 6, 12 and 24 months postoperatively. The 728 (66%) men who responded that they engaged in sexual intercourse with or without taking phosphodiesterase type 5 inhibitors in the month before surgery and who were not dependent on intracavernous injections, intraurethral suppositories, vacuum devices or penile prostheses were considered potent. Followup was available for 659 men. Of the evaluable men 25 received salvage radiation therapy, adjuvant chemotherapy or hormonal therapy and were excluded from the study. Univariate and multivariate analyses using a logistic regression model were used to identify factors predicting the preservation of potency. RESULTS: Age, coronary artery disease, diabetes mellitus, quality of preoperative erections, frequency of intercourse, hypertension, neurovascular bundle preservation and the use of phosphodiesterase type 5 inhibitors preoperatively predicted the preservation of potency. On multivariate analysis age, no history of diabetes mellitus and nerve sparing were independent predictors of the preservation of potency. CONCLUSIONS: We identified many factors that were predictors of the preservation of potency after open radical retropubic prostatectomy. Only age, no history of diabetes mellitus and neurovascular bundle preservation were independent predictors. These parameters should be considered when counseling surgical candidates so that erectile function expectations are realistic.
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