Korean J Urol.  1996 Sep;37(9):1003-1007.

The Effect of Intraurethral instillation of PGE1 Solution in the Patients with Erectile Dysfunction

Affiliations
  • 1Department of Urology, Ul-San University, Seoul, Korea.

Abstract

Intracavernosal self injection therapy is now being widely used to treat patients with erectile dysfunction. However, there is a large number of patients who gives up the self injection program due to the fear of needle or injection. Therefore, the less invasive route of drug administration is highly recommended. We investigated the efficacy of intraurethral instillation of PGE1 solution in comparison with the trimix intracavernosal injection. A total of 24 patients have been observed with either injection of trimix (11 patients), or intraurethral instillation of PGE1 (13 patients). All patients were evaluated with the penile doppler ultrasonography before 5,15,30 and 45 minutes after the drug administration. Penile length and circumference were measured before and after intraurethral administration of PGE1. Ten out of 11 patients (91%) showed positive response in trimix group and nine of 13 patients (69.2%) in PGE1 group. Mean length and circumference of penile shaft before and after the pharmacologic erection test showed significant difference in PGE1 group. The mean peak systolic velocity at 30 minutes was 28.5% 10.53 cm/sec in Trimix group and 28.2 t8.47 cm/sec in PGE, group (p=0.4773). The mean end diastolic velocity at 30 minutes was 8.4 5.23 cm/sec in Trimix group and 8.2=4.21 cm/sec in PGE1 group (p=0.4689). With the intraurethral administration of PGE1, urethral pain and irritation were the noticeable complications but systemic side effect was not noticed In conclusion, PGE1 intraurethral instillation can be satisfactorily used for the patients with erectile dysfunction of psychogenic, less prominent organic and neurogenic origin, although the effect of intraurethral instillation of PGE1 is obviously less than that of Trimix intracavernosal injection.

Keyword

impotence; intraurethral instillation; PGE1
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