The diagnosis of premature ejaculation.
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Biomedical subjects
Publications and source records attributed to Alan Riley.
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INTRODUCTION: The Erectile Dysfunction Observational Study (EDOS) is a 6-month, pan-European prospective, observational study of health outcomes designed to assess patients' profiles and characteristics and the effectiveness of erectile dysfunction (ED) treatment in routine clinical practice. AIM: To present baseline characteristics and treatment-seeking behavior of a large sample of ED patients recruited in real-life clinical settings. METHODS: Men aged 18 years and older who visited a physician to initiate or change any ED treatment were enrolled in EDOS. They were assessed at baseline, 3 months, and 6 months as part of their normal course of care in nine European countries. MAIN OUTCOME MEASURES: Sexual health outcomes using the short form of the Psychological and Interpersonal Relationship Scales. Treatment effectiveness and satisfaction were assessed using the International Index of Erectile Function questionnaire, Global Assessment Questions, and further single-item questions. RESULTS: Of the 8,186 patients enrolled by 904 investigators (69% general practitioners [GPs]) across nine European countries, 8,055 patients were eligible for analysis at baseline; 63.9% were ED treatment-naive. Of the total patient population, mean age was 56.5 years, mean body mass index (BMI) was 27.2 kg/m2, 18.3% were obese (BMI > 30 kg/m2), 42.5% had severe ED, and there was a high frequency of comorbidities and concomitant medication use. A similar proportion of the treatment-naive patients were seen by GPs (62.9%) and specialists (65.8%). In the treatment-naive group, there was a higher frequency of severe ED among ex-smokers, obese patients, and in those who drank no alcohol or excessive amounts of alcohol. CONCLUSIONS: Unmet need of treatment in ED is high; 66% of patients had experienced ED symptoms for 1 year or longer when they were looking for treatment. Severity seems to be related to treatment seeking.
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OBJECTIVE: This study examined the effect of a single oral dose of sildenafil citrate (Viagra, Pfizer, Inc., New York, NY) on vaginal vasocongestion and subjective sexual arousal in healthy premenopausal women. METHODS: Twelve women without sexual dysfunction were randomly assigned to receive either a single oral 50 mg dose of sildenafil or matching placebo in a first session and the alternate medication in a second session. Subjective measures of sexual arousal were assessed after participants had been exposed to erotic stimulus conditions. Vaginal vasocongestion was recorded continuously during baseline, neutral, and erotic stimulus conditions. At the end of each session, subjects were also asked to specify which treatment they suspected they had received. RESULTS: Significant increases in vaginal vasocongestion were found with sildenafil treatment compared with placebo. There were no differences between treatments on subjective sexual arousal experience. Analyses by suspected treatment received found that significantly stronger sexual arousal and vaginal wetness were reported for the treatment that was believed to be sildenafil vs. the treatment that was believed to be placebo. The suspected treatment sequence was incorrect for half of the women. Sildenafil was well tolerated, with no evidence of significant adverse events. CONCLUSIONS: Sildenafil was found to be effective in enhancing vaginal engorgement during erotic stimulus conditions in healthy women without sexual dysfunction but was not associated with an effect on subjective sexual arousal.
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Factors that influence the number of sexual intercourse attempts among men with erectile dysfunction (ED) before initiation of ED treatment were investigated in a population of 4998 men enrolled in the (Erectile Dysfunctions) Observation Study (EDOS). Our results showed that increasing age, increasing severity and duration of ED, and decreasing satisfaction with one's sex life and partner were all associated with a reduced number of sexual intercourse attempts in the 4 weeks prior to enrollment in EDOS.