Study on diagnostic value of Doppler ultrasonography in vascular erectile dysfunction

Objetives To study the diagnostic value of Doppler ultrasonography in vascular erectile dysfunction. Methods The morphodynamic features of cavernosal arteries were assessed by Doppler ultrasonography after intracavernous injection of prostaglandin E1(PGE1) 5min, 10min and 20min in 120 patients suspected for vasculogenic ED. Morphodynamic parameter evaluated by Doppler ultrasonnography included: peak systolic velocity(PSV), end diastolic velocity(EDV), resistance index(RI). 100 cases with psychological ED severd as a control group. A poor response to intracavernous injection should be redo by increase dosage of PGE1 after three days. Results There had been significant penile hemodynamic alterations in the 120 patients. Of all there were 34 arterial ED, 55 venous ED, and 31 mixed vascular ED. A statistically sigfificant association was found between the alteration of penile hemodynamic and the time after ICI. Conclusion The diagnostic value of Doppler ultrasonnography in vascular dysfunction is significant.