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      Anatomy, Physiology, and Pathophysiology of Erectile Dysfunction

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          Abstract

          Significant scientific advances during the past 3 decades have deepened our understanding of the physiology and pathophysiology of penile erection. A critical evaluation of the current state of knowledge is essential to provide perspective for future research and development of new therapies. To develop an evidence-based, state-of-the-art consensus report on the anatomy, physiology, and pathophysiology of erectile dysfunction (ED). Consensus process over a period of 16 months, representing the opinions of 12 experts from seven countries. Expert opinion was based on the grading of scientific and evidence-based medical literature, internal committee discussion, public presentation, and debate. ED occurs from multifaceted, complex mechanisms that can involve disruptions in neural, vascular, and hormonal signaling. Research on central neural regulation of penile erection is progressing rapidly with the identification of key neurotransmitters and the association of neural structures with both spinal and supraspinal pathways that regulate sexual function. In parallel to advances in cardiovascular physiology, the most extensive efforts in the physiology of penile erection have focused on elucidating mechanisms that regulate the functions of the endothelium and vascular smooth muscle of the corpus cavernosum. Major health concerns such as atherosclerosis, hyperlipidemia, hypertension, diabetes, and metabolic syndrome (MetS) have become well integrated into the investigation of ED. Despite the efficacy of current therapies, they remain insufficient to address growing patient populations, such as those with diabetes and MetS. In addition, increasing awareness of the adverse side effects of commonly prescribed medications on sexual function provides a rationale for developing new treatment strategies that minimize the likelihood of causing sexual dysfunction. Many basic questions with regard to erectile function remain unanswered and further laboratory and clinical studies are necessary.

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          Author and article information

          Journal
          The Journal of Sexual Medicine
          The Journal of Sexual Medicine
          Wiley
          17436095
          January 2010
          January 2010
          : 7
          : 1
          : 445-475
          Article
          10.1111/j.1743-6109.2009.01624.x
          20092448
          abaa685b-dfea-452b-8b86-cdee795de40e
          © 2010

          https://www.elsevier.com/tdm/userlicense/1.0/

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