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Related Experiment Videos

Urethral closure pressure changes with age in men

P Hammerer1, U Michl, W H Meyer-Moldenhauer

  • 1Department of Urology, University of Hamburg, Germany.

The Journal of Urology
|November 1, 1996
PubMed
Summary

External urethral sphincter function declines with age in men. Urodynamic studies show decreased sphincter length and urethral pressure, impacting continence in aging populations.

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Area of Science:

  • Urology
  • Gerontology
  • Physiology

Background:

  • The aging process significantly impacts various physiological functions.
  • External urethral sphincter (EUS) function in elderly men remains poorly understood.
  • Understanding age-related changes is crucial for managing urinary incontinence.

Purpose of the Study:

  • To investigate the natural history of external urethral sphincter function in aging men.
  • To analyze age-related changes in specific urodynamic parameters of EUS function.

Main Methods:

  • Urodynamic studies were conducted on 257 men aged 45 to 88 years.
  • Key parameters assessed included functional urethral length, maximal urethral pressure, and sphincter length.
  • Maximal urethral pressure during voluntary contraction was also evaluated.

Main Results:

  • Mean functional urethral length showed no significant decrease with age.
  • Sphincter length demonstrated a statistically significant decrease with advancing age.
  • Maximal urethral pressure and pressure during voluntary contraction also declined with age.

Conclusions:

  • External urethral sphincter function, as indicated by urethral pressure profile, deteriorates with patient age.
  • These findings highlight age-related decline in EUS efficiency.
  • The results have implications for understanding and treating urinary incontinence in older men.

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