Erectile dysfunction
Abstract
INTRODUCTION: Erectile dysfunction may affect 30% to 50% of men aged 40 to 70 years, with age, smoking, and obesity being the main risk factors, although 20% of cases have psychological causes.
METHODS AND OUTCOMES: We conducted a systematic review and aimed to answer the following clinical questions: What are the effects of phosphodiesterase inhibitors in men with erectile dysfunction of any cause? What are the effects of phosphodiesterase inhibitors on erectile dysfunction in men with diabetes, with cardiovascular disease, with spinal cord injury, and with prostate cancer or undergoing prostatectomy? What are the effects of drug treatments other than phosphodiesterase inhibitors in men with erectile dysfunction of any cause? What are the effects of devices, psychological/behavioural treatments, and alternative treatments in men with erectile dysfunction of any cause? We searched: Medline, Embase, The Cochrane Library, and other important databases up to August 2009 (Clinical Evidence reviews are updated periodically, please check our website for the most up-to-date version of this review). We included harms alerts from relevant organisations such as the US Food and Drug Administration (FDA) and the UK Medicines and Healthcare products Regulatory Agency (MHRA).
RESULTS: We found 81 systematic reviews, RCTs, or observational studies that met our inclusion criteria. We performed a GRADE evaluation of the quality of evidence for interventions.
CONCLUSIONS: In this systematic…
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