Erectile Dysfunction: AUA Guideline

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Abstract

The purpose of this guideline is to provide a clinical strategy for the diagnosis and treatment of erectile dysfunction.

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Most cited references 39

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Validation of the erection hardness score.

John P Mulhall, Irwin Goldstein, Andrew Bushmakin … (2007)

Erection hardness is a fundamental component of erectile function, and is a very specific and easily monitored outcome. The Erection Hardness Score (EHS) is a single-item, patient-reported outcome (PRO) for scoring erection hardness. The aim of this article is to report the psychometric validation of the EHS. The dataset (N = 307) was from a multinational sildenafil trial (efficacy in the treatment of erectile dysfunction [ED]) with a 2-week screening phase, a 6-week double-blind, placebo-controlled treatment phase, and a 6-week open-label extension. Test-retest reliability (intraclass correlation coefficient), quality and distribution of responses, known-groups validity (ability to differentiate between ED severity groups defined by the International Index of Erectile Function [IIEF] questionnaire), convergent validity (Pearson correlation coefficients with domain scores of the IIEF and the Quality of Erection Questionnaire [QEQ]), treatment responsiveness, and clinically important difference. The EHS demonstrated good test-retest reliability, acceptable quality and distribution of responses, known-groups validity against the IIEF (including clear differentiation between normal and impaired erectile function), moderate-to-strong convergent validity against the prespecified domains of the IIEF and QEQ, and high treatment responsiveness. The EHS has desirable measurement properties, including being highly responsive to treatment. This one-item PRO is robust and easy to use for evaluating erection hardness. Psychometric analysis supports the use of the EHS as a simple, reliable, and valid tool for the assessment of erection hardness in clinical trials research.

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Cancer and sexual problems.

Richard Sadovsky, Rosemary Basson, Michael Krychman … (2010)

There are many data on sexual problems subsequent to cancer and its treatment, although the likelihood of problems in specific individuals depends on multiple variables. To gain knowledge about the risks of sexual problems among persons with cancer and to provide recommendations concerning their prevention and optimal treatment. A committee of multidisciplinary specialists was formed as part of a larger International Consultation working with urologic and sexual medicine societies over a 2-year period to review the result of chronic illness management on sexual function and satisfaction. The aims, goals, data collection techniques, and report format were defined by a central committee. Expert consensus was based on evidence-based medical and psychosocial literature review, extensive group discussion, and an open presentation with a substantial discussion period. Cancer and cancer treatments have both direct and indirect effects on physiologic, psychological, and interpersonal factors that can all impact negatively on sexual function and satisfaction. Data on the likelihood of specific sexual problems occurring with cancer and its management vary depending on prediagnosis function, patient response, support from the treatment team, specific treatments used, proactive counseling, and efforts to mitigate potential problems. This summary details available literature concerning the pathophysiologic and psychological impacts of cancer diagnosis and treatment on sexual function, plus recommendations for their prevention and management. Cancer and its management have a significant negative impact on sexual function and satisfaction. These negative effects can be somewhat mitigated by understanding prediagnosis sexual functioning level, counseling, careful treatment choices, and, when indicated, therapy post-treatment using educational, psychological, pharmacologic, and mechanical modalities.

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Safety of Intracavernous Bone Marrow-Mononuclear Cells for Postradical Prostatectomy Erectile Dysfunction: An Open Dose-Escalation Pilot Study.

René Yiou, Leila Hamidou, Brigitte Birebent … (2016)

Evidence from animal models replicating postradical prostatectomy erectile dysfunction (pRP-ED) suggests intracavernous injection of bone marrow-mononuclear cells (BM-MNCs) as a promising treatment approach for pRP-ED. We conducted a phase 1/2 pilot clinical trial of intracavernous autologous BM-MNC injection to treat pRP-ED (NCT01089387). Twelve patients with localized prostate cancer and vasculogenic pRP-ED refractory to maximal medical treatment were divided into four equal groups treated with escalating BM-MNC doses (2×10(7), 2×10(8), 1×10(9), 2×10(9)). Tolerance was the primary endpoint. Secondary endpoints were the effects on erectile function and penile vascularization at 6 mo, as assessed using the International Index of Erectile Function-15 and Erection Hardness Scale questionnaires, and color duplex Doppler ultrasound. We measured the peak systolic velocity in cavernous arteries and assessed endothelial function using the penile nitric oxide release test. No serious side effects occurred. At 6 mo versus baseline, significant improvements of intercourse satisfaction (6.8±3.6, 3.9±2.5, p=0.044) and erectile function (17.4±8.9, 7.3±4.5, p=0.006) domains of the International Index of Erectile Function-15 and Erection Hardness Scale (2.6±1.1, 1.3±0.8, p=0.008) were observed in the total population. Spontaneous erections showed significantly greater improvement with the higher doses. Clinical benefits were associated with improvement of peak systolic velocity and of % penile nitric oxide release test and sustained after 1 yr. Our results need to be confirmed by phase 2 clinical trials.