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Related Experiment Videos

Current concepts in ejaculatory dysfunction.

Jeffrey P Wolters1, Wayne J G Hellstrom

  • 1Section of Andrology, Department of Urology, Tulane University Medical Center New Orleans, LA.

Reviews in Urology
|January 12, 2007
PubMed
Summary
This summary is machine-generated.

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Ejaculatory dysfunctions, more common than erectile dysfunction, include premature ejaculation and anejaculation. Emerging research clarifies the neurophysiology of ejaculation, paving the way for new treatments.

Area of Science:

  • Neuroscience
  • Urology
  • Pharmacology

Background:

  • Ejaculatory dysfunctions are prevalent male sexual disorders, often less understood than erectile dysfunction.
  • Existing treatments primarily target premature ejaculation (PE), with limited options for other disorders like anejaculation.
  • Understanding the complex neurophysiology of ejaculation is crucial for developing effective therapies.

Purpose of the Study:

  • To review the physiology of normal ejaculation.
  • To explore the mechanisms underlying anejaculation.
  • To present emerging research on ejaculatory disorders.

Main Methods:

  • Review of existing literature on ejaculatory physiology and neurochemistry.
  • Analysis of recent studies on neurotransmitter roles (serotonin, dopamine) and alpha(1)-antagonists.

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  • Exploration of central and peripheral modulatory mechanisms.

    • Main Results:

    • The neurophysiology of the ejaculatory reflex is complex, involving intricate neurotransmitter interactions.
    • Serotonin and dopamine play significant roles at the central level in arousal and orgasm.
    • Alpha(1)-antagonists indicate a centrally mediated role in ejaculation and orgasm.

    Conclusions:

    • Increased understanding of ejaculatory regulation is advancing the development of centrally acting pharmaceuticals.
    • Future treatments for sexual dysfunction may emerge from a deeper comprehension of ejaculatory neurophysiology.
    • Further research is needed to fully elucidate the mechanisms of various ejaculatory disorders.