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Comorbid LUTS and erectile dysfunction: optimizing their management.

Kaminetsky JC

Department of Urology, New York University School of Medicine, New York, NY 10016, USA. jckammd@att.net

BACKGROUND AND SCOPE: Lower urinary tract symptoms (LUTS) related to benign prostatic hyperplasia (BPH), and sexual dysfunction such as erectile dysfunction (ED), are highly prevalent in men over the age of 50. LUTS and ED have a negative impact on sexual function and when comorbid, result in reduced quality of life. The goal of this article is to discuss the relationship between ED and LUTS, describe the diagnostic workup of these disorders, explore the current treatment options, and examine how treatments may affect this population. Medline (1980-2006), Cochrane reviews, and the American Urological Association 2006 General Meeting abstracts were searched for relevant clinical trials and reviews with the terms: benign prostatic hyperplasia, lower urinary tract symptoms, erectile dysfunction, sexual dysfunction, alpha-adrenergic receptor antagonists, alpha-blockers, 5alpha-reductase inhibitors, phosphodiesterase type-5 inhibitors, transurethral resection of the prostate, transurethral microwave thermotherapy, transurethral needle ablation, adverse events, alfuzosin, doxazosin, tamsulosin, terazosin, dutasteride, finasteride, sildenafil, tadalafil, vardenafil. However, because of the volume of literature, this article is not a systematic review. FINDINGS: Although age is an independent risk factor for both LUTS and ED, studies report that LUTS is also an independent risk factor for ED. Treatments for LUTS include pharmacologic, minimally invasive, and surgical therapies. Among pharmacologic options, alpha1-adrenergic receptor (alpha1-AR) antagonists provide effective treatment with a low risk of sexual side-effects; some of these drugs have been reported to improve sexual function. The treatment of LUTS may improve ED. Phosphodiesterase type 5 inhibitors (PDE-5s) are considered first-line therapy for ED. Comorbid LUTS and ED are treated with an alpha1-AR antagonist and a PDE-5; however, this combination must be used with caution because of vasodilatory adverse events associated with both classes of drugs. CONCLUSIONS: Optimal management includes screening to identify patients with comorbid LUTS and ED, and the use of treatments that minimize both vasodilatory and sexual side-effects.

Published 14 December 2006 in Curr Med Res Opin, 22(12): 2497-506.
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