Abstract
Until the mid 1990s (1), the only practical method of delivering vasoactive substances to the penile erectile tissues was by direct injection into the copora cavernosa. The short-term efficacy of intracavernosal injection (ICI) therapy has ranged anywhere from 40 to 80%, and this form of therapy clearly revolutionized the nonsurgical approach to treatment of erectile dysfunction (ED). ICI has also enjoyed widespread acceptance by patients and urologists. However, despite its initial acceptance, 31–80% of men using such therapies eventually discontinue treatment for reasons relating to pain, loss of effectiveness, aversion to self-injection, and lack of interest, with dropout rates approaching 50% at one year (1–3). This de facto dissatisfaction with proven effective treatments is the rationale for alternative routes for the delivery of vasoactive substances.
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Hairston, J.C., Becher, E.F., McVary, K.T. (2001). Topical and Intraurethral Therapy. In: Mulcahy, J.J. (eds) Male Sexual Function. Current Clinical Urology. Humana Press, Totowa, NJ. https://doi.org/10.1007/978-1-59259-098-8_12
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DOI: https://doi.org/10.1007/978-1-59259-098-8_12
Publisher Name: Humana Press, Totowa, NJ
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