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Keywords:

  • cystometry;
  • filling sensation;
  • overactive bladder;
  • reproducibility;
  • urodynamics

Abstract

Aims

To evaluate the reproducibility of bladder sensation during standardized filling cystometry in female volunteers and overactive bladder (OAB) patients, repeated with weekly interval.

Methods

We recruited 13 female nulliparous volunteers (age 21–47) and 17 female patients with OAB between (age 18–72). They participated in three investigation periods, each separated by 7 days to assess reproducibility of sensation related to standardized cystometry. Subjects were asked to report all sensations they felt during bladder filling.

Results

The previously described pattern of sensation was reported during bladder filling in all. Consecutive sensations corresponded to statistically higher bladder volumes. Volumes, at which different sensations of bladder filling were reported, were significantly higher in controls than in OAB patients [first sensation of filling (FSF) P = 0.003, first desire to void (FDV) P < 0.0001, and strong desire to void (SDV) P < 0.0001]. The sensation/volume ratios were significantly higher in patients with OAB than in the healthy volunteers: FSF occurred at mean 46% and FDV at mean 73% of SDV in OAB patients, compared to 36% and 64% in healthy volunteers. Sensations proved highly reproducible when determined with weekly interval.

Conclusions

Our data demonstrate that cystometric filling sensation determined in a standardized way with weekly interval is highly reproducible in healthy and in OAB patients. This finding has, in our opinion, clinical importance as it shows that the technique is reliable both for a sensory evaluation of the LUT as to study influence of treatment aimed at changing this sensation. Neurourol. Urodynam. Neurourol. Urodynam. 30: 1586–1590, 2011. © 2011 Wiley Periodicals, Inc.