Vascular causes: including any diseases that may lead to decreased blood flow of penile cavernous artery, such as atherosclerosis, arterial injury, arterial stenosis, pudendal artery shunt and abnormal heart function, or penile vein leakage caused by decreased smooth muscle of penile cavernous sinus obstructing the mechanism of venous return closure.
Neurological causes: diseases or injuries of central and peripheral nerves can lead to erectile dysfunction.
Surgery and trauma: Great vessel surgery, radical prostatectomy, radical abdominoperineal rectal cancer surgery, pelvic fracture, lumbar compression fracture or straddle injury can cause penis-related vascular and nerve injuries, leading to erectile dysfunction.
Endocrine diseases, chronic diseases and long-term use of certain drugs can also cause erectile dysfunction.
Diseases of penis itself: such as penis induration (peroni's disease)
Disease), penile curvature deformity, severe phimosis and prepuce feeding balanitis.
psychagogy
It refers to erectile dysfunction caused by mental and psychological factors such as tension, stress, depression, anxiety and marital disharmony.
MixED ed
Refers to erectile dysfunction caused by mental and psychological factors and organic reasons. In addition, because organic ed can not be treated in time, patients' psychological pressure is aggravated and they are afraid of sexual intercourse failure, which makes the treatment of ED more complicated. A study on the etiology classification of a group of 628 patients with ED in China shows that psychological factors account for 39%. Organic is 15.8%, and mixed is 45.2%.
Experts point out that there are many factors leading to ED. Unhealthy psychological and mental conditions, physiological conditions and lifestyles can all lead to ed, and most of them will be manifested in advance through ED. Because of its special early warning function, ED is called "the intersection of men's health problems" by experts. With the accelerated pace of modern life, the pressure from work, family and economy is increasing, especially for men. Many people are psychologically unbalanced, resulting in mental anxiety and depression. The researchers found that depression can lead to ED, and ED is more likely to occur when anxiety and depression coexist.