Impotence caused the etiology and pathology

Impotence caused the complex causes, most of the past that psychological factors accounting for the primary position. With detection equipment to further improve and found organic lesions induced impotence accounts for a sizeable proportion of Most young patients combined with psychological barriers. Because the penile erection is mainly dependent on penile blood flow and perfusion in patients with congestive vein to maintain it. various causes penile blood flow is not adequate; penile veins can not keep the blood filling returning prematurely can cause impotence happening. Common reasons : over exertion or after mental stress, the elderly atherosclerosis and vascular diseases. Hormone imbalance, some drug use and some post-operative effects.