彩色多普勒超声对阳萎阴茎血流动力学研究

目的 应用彩超探讨不同硬度阴茎血流动力学改变。方法 ＣＤＦＩ检测７４例阳萎患者，在海绵体注药前后，间隔５分钟连续测定海绵体动脉及背动脉ＰＳＶ、ＥＤＶ、ＲＩ及背觉醒胸脉血流速度，并将诸测值与阴茎硬度对比。结果 海绵体动脉ＰＳＶ、ＥＤＶ、ＲＩ在不同硬度有显著性差异（Ｐ〈０．０５）；ＣＤＦＩ能较准确地反映阴茎血内流动力学改变，根据海绵体动脉ＰＳＶ减小及ＥＤＶ升高，可提示海绵体动脉和静脉异常；测定海绵体动

The Study of Penile Hemodynamics in Patient with Sexual Impotence by Color Doppler Ultrasound

Objective:To study the penile hemodynamic changes under different penis stiffness state by color Doppler flow imaging(CDFI). Methods:74 cases of impotence patients were examined by CDFI. Before and after drug injection of cavernosum, the PSV, EDV, RI of cavernosal and dorsal artery and the velocity of dorsal vein were measured continously at the time interval of 5 minute, and the vascular parameters were compared with penis stiffness state.Results:The PSV, EDV,RI of cavernosal artery have significant difference (P<0 05) CDFI can reflect the penile hemodynamic changes accruately. By combining the decrease of PSV and increase of EDV, the abnomality of cavernosal artery and dorsal vein may be found. It is suggested that the best time for measurement of cavernosal parameters is the 5th 20th minute after drug injection. The averaged velocities examined continously with time interval of 5 minute as the diagnostic standard are more accurate.Conclusion:CDFI can provide important hemodynamic parameters for the diagnosis of impotence.