How diabetes cause impotence?

How diabetes cause impotence?   

The etiology of diabetes causes impotence are not entirely clear, with several factors could about:

(1) the general thought by pelvic viscera erectile is pussy nerve and nerve domination, when diabetic patients appear mental derangement rational change involving the pelvic plant nerve and nerve, pussy will cause impotence.

(2) diabetes can cause endothelial happen pathological change, often involving the systemic large and small blood vessels. When diabetes vascular lesions involving when penis sponge body blood vessels can cause erectile dysfunction. Diabetes patients vascular antrum stricture, be hemal wall calcification and vascular intima change, can affect the blood supply of the penis caused erectile dysfunction.

(3) diabetes can cause the endocrine abnormalities, causal relationships is unclear, may and diabetics dysfunction, male hormone secreted too little about.

(4) diabetes is associated with high blood pressure, coronary heart disease and cerebrovascular diseases that need the service uniforms some antihypertensives and diuretics and beta blockers, these drugs can cause or cause impotence sometimes.

(5) mental influences. Diabetes patients need long time control, drab, long-term drug, often laboratory tests, patient majority has certain mental burden, this anxiety also affect sexual function.

(6) period insulin-dependent diabetes, with insulin can accompany the retardation organ in adulthood, and affect sexual function.