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This research was carried out to evaluate the prevalence of carotid and/or lower limb artery abnormalities in patients with arterial erectile dysfunction (ED). To this end, patients with ED (Andrology Unit) or suspected peripheral atherosclerosis (Angiology Unit) underwent an independent and parallel echo-Duplex examination. The Andrology Unit examined 167 patients with ED of different etiologies: 52 of them had penile artery insufficiency and consequently their carotids and lower limb arteries had to be evaluated by means of echo-Doppler. In all, 36 out of the 46 patients with nonarterial organic ED and 22 out of the 69 patients with nonorganic ED underwent the same evaluation and served as controls. The Angiology Unit enrolled 457 ED patients who initially underwent echo-Doppler for suspected carotid and/or arterial leg atherosclerosis and subsequently dynamic echo-Doppler. Isolated penile artery …