Abstract
The diagnosis of vasculogenic erectile dysfunction has been substantially refined by the introduction of the intracavernous injection of vasoactive drugs. Penile arterial inflow can be assessed rather precisely by pulsed Doppler sonography [6] and cavernous venous outflow by pharmacocavernosometry and pharmacocavernosography [7]. Standardized intracavernous injection of vasoactive drugs [10] allows a good overall evaluation of penile vascular status and of cavernous smooth muscle function.
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