TAILIEUCHUNG - Chapter 049. Sexual Dysfunction (Part 6)

Intraurethral Alprostadil If a patient fails to respond to oral agents, a reasonable next choice is intraurethral or self-injection of vasoactive substances. Intraurethral prostaglandin E1 (alprostadil), in the form of a semisolid pellet (doses of 125–1000 µg), is delivered with an applicator. Approximately 65% of men receiving intraurethral alprostadil respond with an erection when tested in the office, but only 50% of those achieve successful coitus at home. Intraurethral insertion is associated with a markedly reduced incidence of priapism in comparison to intracavernosal injection. Intracavernosal Self-Injection Injection of synthetic formulations of alprostadil is effective in 70–80% of patients with ED, but discontinuation. | Chapter 049. Sexual Dysfunction Part 6 Intraurethral Alprostadil If a patient fails to respond to oral agents a reasonable next choice is intraurethral or self-injection of vasoactive substances. Intraurethral prostaglandin Ei alprostadil in the form of a semisolid pellet doses of 125-1000 iig is delivered with an applicator. Approximately 65 of men receiving intraurethral alprostadil respond with an erection when tested in the office but only 50 of those achieve successful coitus at home. Intraurethral insertion is associated with a markedly reduced incidence of priapism in comparison to intracavernosal injection. Intracavernosal Self-Injection Injection of synthetic formulations of alprostadil is effective in 70-80 of patients with ED but discontinuation rates are high because of the invasive nature of administration. Doses range between 1 and 40 pg. Injection therapy is contraindicated in men with a history of hypersensitivity to the drug and in men at risk for priapism hypercoagulable states sickle cell disease . Side effects include local adverse events prolonged erections pain and fibrosis with chronic use. Various combinations of alprostadil phentolamine and or papaverine are sometimes used. Surgery A less frequently used form of therapy for ED involves the surgical implantation of a semirigid or inflatable penile prosthesis. These surgical treatments are invasive associated with potential complications and generally reserved for treatment of refractory ED. Despite their high cost and invasiveness penile prostheses are associated with high rates of patient and partner satisfaction. Sex Therapy A course of sex therapy may be useful for addressing specific interpersonal factors that may affect sexual functioning. Sex therapy generally consists of insession discussion and at-home exercises specific to the person and the relationship. It is preferable if therapy includes both partners provided the patient is involved in an ongoing relationship. Female Sexual .

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