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Among psychogenic erectile dysfunctions, primary and secondary forms are also distinguished: the primary (congenital) form is rare and is characterized by the complete absence of normal sexual function throughout life; secondary erectile dysfunction is characterized by the gradual extinction of the previously existing ability to erect.

The causes of erectile dysfunction are subdivided according to the pathophysiological mechanisms underlying its occurrence.

When treating the organic form, it is of paramount importance to eliminate the disease that led to erectile dysfunction. Organic causes are associated with malfunctioning of internal organs or systems.

These include: vascular. Insufficient blood pressure in the vessels of the arterial bed leads to inadequate blood supply to the cavernous bodies, and the contraction of smooth muscles opens the way for passive venous outflow.

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Weakening or absence of erections can be a manifestation of arterial hypertension, obliterating endarteritis, hyperlipidemia, atherosclerosis, arterial damage caused by irradiation of the pelvic region, as well as heart failure, coronary heart disease and myocardial infarction; neurological.

Diseases of the parasympathetic pelvic visceral nerves and pathology of the nerve pathways can lead to impaired redistribution of blood flow, insufficient pressure in the cavernous bodies, impaired ability to erections. Potency is affected by neurological disorders in Alzheimer's disease, Parkinson's disease, polyneuropathy, multiple sclerosis, hemorrhagic or ischemic stroke, injuries of the spinal cord, small pelvis and perineum, degeneration of intervertebral discs, craniocerebral trauma, cerebral insufficiency, etc.; endocrine.

The causes of impotence of endocrine genesis include increased levels of prolactin, endogenous estrogens and a decrease in the level of androgens, diseases associated with dysfunction of the pituitary and adrenal glands; iatrogenic.

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They are explained by the side effects of a number of drugs (neuroleptics, tranquilizers, antihypertensive drugs, anticonvulsants, cytostatics, antidepressants, antihistamines of the 1st generation, corticosteroids, etc.) on sexual function; toxic. Due to the toxic effects of alcohol, drugs, nicotine.

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