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Related Experiment Videos

Premature ejaculation. 1. Definition and etiology.

Guido Piediferro1, Elisabetta M Colpi, Fabrizio Castiglioni

  • 1Andrology Unit, San Paolo Hospital, University of Milan, Milan, Italy. gpiediferro@libero.it

Archivio Italiano Di Urologia, Andrologia : Organo Ufficiale [Di] Societa Italiana Di Ecografia Urologica E Nefrologica
|February 8, 2005
PubMed
Summary

Premature ejaculation lacks a universal definition, impacting study results. Causes range from psychological factors and sexual behaviors to biological issues like glans hypersensitivity, all potentially involving serotonin.

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Area of Science:

  • Urology
  • Neuroscience
  • Sexology

Background:

  • Premature ejaculation (PE) lacks a universally agreed-upon definition, leading to inconsistent research findings.
  • Studies vary in their assessment criteria, focusing on either ejaculatory latency or partner satisfaction.
  • Existing etiological theories for PE are broadly categorized into psycho-sexual and biological factors.

Purpose of the Study:

  • To explore the diverse definitions and etiological factors of premature ejaculation.
  • To highlight the neurobiological underpinnings, particularly serotonergic mediation, in PE.
  • To discuss the various iatrogenic and secondary causes of premature ejaculation.

Main Methods:

  • Literature review of scientific studies on premature ejaculation definitions and causes.

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  • Analysis of psycho-sexual and biological etiological theories.
  • Categorization of iatrogenic and secondary causes of PE.

    • Main Results:

    • Discordant study results stem from differing definitions of PE (ejaculatory latency vs. sexual satisfaction).
    • Psycho-sexual factors (anxiety, behavior) and biological factors (pelvic floor, glans hypersensitivity) are key etiological theories.
    • Serotonergic mediation is a common neurobiological assumption across etiological theories.
    • PE can be iatrogenic (drug-induced) or secondary to urological or neurological conditions.

    Conclusions:

    • The lack of definitional consensus complicates PE research and understanding.
    • A multifactorial etiology involving psychological, behavioral, and biological elements is recognized.
    • Neurobiological pathways, especially involving serotonin, are crucial in PE.
    • Diverse iatrogenic and secondary conditions contribute to the development of PE.