Thirty-three impotent men underwent pharmacocavernometry and cavernography. Ten patients had a good clinical response to 60 mg papaverine, nine had a moderate clinical response and in 14, the response was judged to be a poor one. Twelve patients had evidence of abnormal venous leakage from the corpora. Subsequent investigation with isotope phallography showed six patients to have arterial insufficiency and in three of these patients this was amenable to reconstructive vascular surgery. We conclude that pharmacocavernometry provides a useful, cheap and reliable method for the investigation of impotent men which may be performed on an outpatient basis.
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