Tolterodine causes measurable restoration of urethral sensation in women with urge urinary incontinence

Kimberly Kenton*, Lior Lowenstein, Linda Brubaker

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

13 Scopus citations

Abstract

Introduction & Hypothesis: Determine if treatment of urge incontinence with tolterodine results in changes in bladder and/or urethral sensation using Current Perception Threshold (CPT) testing. Methods: Women with ≥1 incontinence episode on 7-day diary were treated with 4 mg of long-acting tolterodine for 2-months. At baseline and 2-months, participants had CPT testing of the urethral and bladder at 3 frequencies 2000, 250, and 5 Hz. Baseline and post-treatment measures were compared using Wilcoxon Signed Rank Test. Results: Seventeen women underwent baseline CPT testing. Four discontinued medication due to side effects and did not have repeated testing. Urethral CPT at 250 Hz was lower after treatment (median 1.3 [Interquartile range .69-2.1] and .75 [.45-1.2], p = .003) and at 5 Hz trended toward a significant decrease (1.1 [1-1.9] and .84 [.32-1.1], p = .06). Conclusions: Urethral sensitivity improves after 2-months of tolterodine, suggesting it may restore urethral sensory nerves in addition to known motor effects. Neurourol. Urodynam. 29:555-557, 2010.

Original languageEnglish (US)
Pages (from-to)555-557
Number of pages3
JournalNeurourology and Urodynamics
Volume29
Issue number4
DOIs
StatePublished - Apr 1 2010

Keywords

  • Antimuscarinic
  • CPT
  • Current perception threshold
  • Sensory threshold
  • Urethra
  • Urge incontinence

ASJC Scopus subject areas

  • Clinical Neurology
  • Urology

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