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Related Experiment Videos

Urethral and bladder current perception thresholds: normative data in women.

Kimberly Kenton1, Jennifer Simmons, Mary Pat FitzGerald

  • 1Division of Female Pelvic Medicine and Reconstructive Surgery, Department of Urology, Loyola University Medical Center, Chicago, Illinois, USA.

The Journal of Urology
|May 15, 2007
PubMed
Summary
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This study establishes normative current perception threshold values for the urethra and bladder in asymptomatic women. These findings provide essential reference data for understanding sensory nerve function in lower urinary tract conditions.

Area of Science:

  • Urology
  • Neuroscience
  • Sensory Physiology

Background:

  • Sensory dysfunction is increasingly recognized in lower urinary tract pathology.
  • Understanding normal sensory function is crucial for diagnosing and managing these conditions.

Purpose of the Study:

  • To determine normative current perception threshold (CPT) values in the lower urinary tract of asymptomatic women.
  • To establish reference ranges for urethral and bladder CPT at different nerve fiber frequencies.

Main Methods:

  • 48 asymptomatic women underwent CPT testing of the urethra and bladder using a Neurometer.
  • Testing was performed at three frequencies: 2,000 Hz (A-beta fibers), 250 Hz (A-delta fibers), and 5 Hz (C fibers).

Main Results:

Related Experiment Videos

  • Normative CPT values were established for the urethra and bladder across all tested frequencies.
  • Urethral and bladder CPTs increased significantly with age.
  • Prior pelvic surgery was associated with increased bladder CPT but not urethral CPT.

Conclusions:

  • This study reports normative CPT values for the lower urinary tract in a large cohort of asymptomatic women.
  • These reference values can aid in identifying afferent nerve function alterations in women with lower urinary tract dysfunction.