Observations relating to urinary sensation during detrusor overactivity

Lior Lowenstein, Thythy Pham, Shameem Abbasy, Kimberly Kenton, Linda Brubaker, Elizabeth R. Mueller, Susan Shott, Yoram Vardi, Ilan Gruenwald, Mary P. FitzGerald*

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

19 Scopus citations

Abstract

Aims: To describe the temporal relationship between increases in lower urinary tract (LUT) sensation and changes in detrusor and/or urethral pressures measured in real time. Methods: We reviewed 33 multichannel urodynamic tracings that included a continuous recording of LUT sensation and that demonstrated detrusor overactivity incontinence (DOI) or detrusor overactivity (DO). Four physicians reviewed each urodynamic tracing and reached agreement about the temporal relationship between LUT sensation and detrusor contraction. Results: Median age was 60 (36-82) years. Fourteen (42%) had urodynamic diagnoses of mixed incontinence, 18 (55%) had DOI, and 1 (3%) had DO without DOI. We reviewed 119 episodes of detrusor overactivity from the 33 recordings. We found no difference in change in sensation level when comparing DO episodes with DOI episodes or between different urodynamic diagnoses (P> 0.5). There was no dominant temporal pattern seen for the whole group (P = 0.84), that is, there was no evidence that the change in sensation level was more likely to occur before, during, or after DO/ DOI episodes. When evaluating the changes in the urethral pressure, the most common pattern seen was an increase in sensation level after a fall in urethral pressure, but no dominant pattern was seen. Conclusions: Our findings suggest that increased LUT sensation during DO/ DOI is not reliably caused by measurable alterations in bladder or urethral pressure.

Original languageEnglish (US)
Pages (from-to)497-500
Number of pages4
JournalNeurourology and Urodynamics
Volume28
Issue number6
DOIs
StatePublished - 2009

Keywords

  • Detrusor contraction
  • Detrusor overactive
  • Detrusor overactive incontinence
  • Lower urinary tract sensation
  • Urgency
  • Urgeometer

ASJC Scopus subject areas

  • Clinical Neurology
  • Urology

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