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Related Experiment Videos

Sympathetic skin response: a new test to diagnose ejaculatory dysfunction.

Y C Park1, A Esa, T Sugiyama

  • 1Department of Urology, Kinki University School of Medicine, Osaka, Japan.

The Journal of Urology
|March 1, 1988
PubMed
Summary

This study found that plantar sympathetic skin responses, measured via electrical stimulation, are often absent in men with ejaculation difficulties. This suggests the test can help diagnose sexual dysfunction.

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Area of Science:

  • Neuroscience
  • Urology
  • Reproductive Medicine

Background:

  • Ejaculation is a complex physiological process involving sympathetic nervous system pathways.
  • Assessing autonomic function is crucial for diagnosing male sexual dysfunction.
  • Current diagnostic methods for ejaculatory disorders may not fully capture underlying neurological deficits.

Purpose of the Study:

  • To investigate the utility of sympathetic skin responses (SSRs) in evaluating ejaculatory function.
  • To determine if SSRs, specifically plantar responses, correlate with the ability to ejaculate.
  • To explore SSRs as a potential diagnostic tool for male sexual dysfunction.

Main Methods:

  • Sympathetic skin responses were elicited from the palm and sole (plantar) using electrical stimulation of the dorsal nerve of the penis in 24 individuals.

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  • Participants included individuals with normal ejaculatory function and those with a history of lacking ejaculation.
  • Palmar and plantar SSRs were recorded and analyzed in relation to ejaculatory capacity.

    • Main Results:

    • Palmar and plantar SSRs were successfully obtained in 12 subjects with normal ejaculatory function.
    • Plantar SSRs were absent in 11 out of 12 patients who reported a lack of ejaculation.
    • A strong correlation was observed between the presence of plantar SSRs and normal ejaculatory function.

    Conclusions:

    • The plantar sympathetic skin response is closely correlated with the physiological mechanisms of ejaculation.
    • This SSR measurement is a promising diagnostic tool for identifying and assessing male sexual dysfunction.
    • The SSR test can potentially be used to monitor treatment efficacy in patients with ejaculatory disorders.