OBJECTIVETo study the clinical causes of the erectile dysfunction (ED).

METHODSOne hundred and thirty cases of ED were examined by hemonamometry and cavernosography with vasodilating agent. The data about penile brachial index, intracavernous pressure, maintenance flow rate, and pressure loss change were obtained and the status of the penile veins was detected.

RESULTSAmong 130 patients with ED, 39 had venous leakage including penile arterial insufficiency simultaneous venous leakage in 15 patients. Various leakage sites were observed by using cavernosography. Twenty-eight patients showed deep dorsal veins only and the remaining crural veins.

CONCLUSIONHemodynamometry is effective to diagnose the cause of ED.