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Objective

In a globalized and permanently connected world, the way our patients get the medical information has radically changed in the last few years. The objective of our study is to stablish the scientific quality of the available information in YouTube about erectile dysfunction (ED).

Methods

We searched on YouTube three terms (erectile dysfunction, erection problems and impotence) selected by a questionnaire our patients passed out. The sixteen first videos from each term were selected for the analysis. Two independent urologists reviewed all videos and classified all of them in two categories: scientific evidence-based (SEB) or not scientific evidence-based (NSEB) according to the current literature and guidelines; then we determined the Kappa statistic. In the subgroup analysis we compare: number of visits, duration, time of publication, source and type of information.

Results

After excluding the repeated links and non-concordant videos between both urologists, we analysed 116 videos that contained information about ED. The Kappa statistic was 0.91 (95% CI 0.88-0.94). 38% were considered SEB and 62% were considered NSEB. The median of reproductions in the SEB group was 25152 (56-2255498) and 93602 for NSEB (767-17998691); this difference was statistically significant (p=0,017). The median duration was 184 seconds (42-4491) for the SEB group and 253 seconds for the NSEB (24-4664); the median time of publication was 3 years for the NSEB group and 2 years for the other one. 80% of SEB videos were published in health networks and television programs, while 20% were published in user blogs. The SEB videos show more information about pathophysiology, aetiology, endothelial dysfunction, diagnosis and treatment, while NSEB videos show more information about natural remedies (p <0.05).

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