男性インポテンスに関する研究 : 第11報ヒト陰茎血流動態の研究

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For the purpose of analyzing intrapenial hemodynamics in connection with physiological erection, I performed experiments with Xe-133 infused directly into the corpus cavernosum of 8 cases with no trouble on erection and ejaculation, and 40 cases with complaints of impotence. Its disappearance rate was traced to obtain a declining curve showing Xe-133 clearance. In 47 of the 48 cases, a visual sexual stimulation (V.S.S.) was supplied to induce erection physiologically and changes in their Xe-133 curves were observed. The curves of Xe- 133 declined very gently at the time of non-erection in all 48 cases, with the intrapenial blood flow calculated from the curves ranging 0.5-6.5 ml/100 g/min, with a mean of 2.31 ml/100 g/min. Of the 47 cases receiving the V.S.S., the 2 1 with complete erections registered a marked fall in the Xe-133 curves after V.S.S., with the intrapenial blood flow increasing to 15.4-57.6 ml/100 g/min (mean 31.61 ml/100 g/min). Also in the 13 cases with incomplete erection in response to the V.S.S., the Xe-133 curves evidently fell, showing an increase in intrapenial blood flow after V.S.S., 5.8-16.4 ml/100 g/min (mean 11.90 ml/100 g/min). In the 13 cases with no sign of erection what so ever in response to the V.S.S., the Xe-133 curve and intrapenial blood flow before and after V.S.S. showed no evident change. These results have led us to conclude that human penial erection is not solely attributable to intrapenial blood stagnation, as evidenced by vigorous increases in blood in flow into the penis erection and accompanying increases in the outflow of blood from the penis as well. Our findings seem to indicate that physiologically, erection is possible independent of the blockage of venous return circulation.
社団法人日本泌尿器科学会の論文
1978-07-15

男性インポテンスに関する研究 : 第11報ヒト陰茎血流動態の研究

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男性インポテンスに関する研究 : 第11報 ヒト陰茎血流動態の研究

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男性インポテンスに関する研究 : 第11報ヒト陰茎血流動態の研究