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Penile sensitivity in patients with primary premature ejaculation

Z C Xin1, W S Chung, Y D Choi

  • 1Department of Urology, Yonsei University, Seoul, Korea.

The Journal of Urology
|September 1, 1996
PubMed
Summary
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Patients with premature ejaculation experience heightened penile sensitivity, suggesting an organic cause for this condition. This finding implies a potential neurological basis for premature ejaculation.

Area of Science:

  • Urology
  • Neuroscience
  • Sexual Health

Background:

  • Premature ejaculation (PE) is a common male sexual dysfunction.
  • The etiological basis of primary PE remains incompletely understood.
  • Investigating sensory nerve function may reveal underlying causes.

Purpose of the Study:

  • To assess penile sensory thresholds in men with primary premature ejaculation (PE).
  • To determine if altered sensory perception contributes to the etiology of PE.
  • To explore potential organic factors in primary PE.

Main Methods:

  • Penile biothesiometry was used to measure vibratory thresholds.
  • 120 men with primary PE and 66 healthy controls were studied.
  • Sensory testing included the glans penis, penile shaft, scrotum, and index finger.

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Main Results:

  • Patients with PE exhibited significantly lower vibratory thresholds on the glans penis and penile shaft compared to controls (p < 0.001).
  • Normal potent men showed age-related increases in vibratory thresholds.
  • Men with PE displayed consistently reduced thresholds without age dependency.

Conclusions:

  • Primary premature ejaculation is associated with penile hypersensitivity.
  • These findings suggest an organic, potentially neurological, basis for primary PE.
  • Penile hypersensitivity may be a key factor in the pathophysiology of PE.