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Keywords:

  • Sodium Nitroprusside;
  • Impotence;
  • Intracavernous Drugs

ABSTRACT

Objective.  The aim of our work is to evaluate the efficacy of intracavernous sodium nitroprusside (SNP) in management of erectile dysfunction (ED) in a clinical comparative study with papaverine/phentolamine in ED patients.

Methods.  The study included 40 patients with ED divided into two groups. Group I include 20 patients receiving intracavernous (30 mg papaverine + 1 mg phentolamine) followed 1 week later by intracavernous 300 µg SNP. Group II included 20 patients receiving the same regimen of group I but with intracavernous SNP first followed by papaverine/phentolamine 1 week later. All patients were assessed clinically for their response and any developing complications.

Results.  The numbers of good and poor responders were not statistically significant (P > 0.05) among the two groups. The mean erectile duration of SNP was similar to bimix (P > 0.05). No side-effects whether local or systemic occurred with SNP while priapism and local penile pain were recorded with bimix solution.

Conclusions.  Intracavernous pharmacotherapy is still a reliable method both for diagnosis and for treatment of ED. While preliminary results of our study show a potential of SNP to be an effective and safe intracavernous agent, long-term self-injection clinical trials are needed before large-scale usage is recommended.