... pressure was noted in all the volunteers, whereas it was not found in 6 of the 13 cases of BPH. Bladder neck opening pressure was higher in these 6 cases (p < 0.05). After administration of phentolamine, prevoiding drop was noted in 5 of these 6 cases and bladder neck opening pressure decreased so much...

... to study the possible reduction of the sympathetic effect by intravenous injection of phentolamine. The aborted erection by sympathetic trunks stimulation was partially antagonized by phentolamine. The arterial flow to the penis as well as the intracavernous pressure were elevated by this drug...

...: Utilizing high performance liquid chromatography the PGE 1 content was evaluated alone and in association with papaverine and papaverine plus phentolamine at temperatures of 2–8 and at 20°C, and after 15, 30, 60, 90 and 120 days of storage using multivariate statistical analysis of variance. Results: We...