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Pad weighing tests with 50% or 75% bladder filling. Does it matter?
H Jakobsen1, B Kromann-Andersen, K K Nielsen
1Urological Laboratory, Herlev Hospital, University of Copenhagen, Denmark.
Acta Obstetricia Et Gynecologica Scandinavica
|July 1, 1993
Summary
Bladder filling level for pad tests did not significantly impact leakage results. However, patients preferred 50% bladder filling, finding it more representative of daily urinary leakage.
Area of Science:
- Urology
- Gynecology
- Female Pelvic Medicine
Background:
- Urinary incontinence diagnosis often involves pad tests to quantify leakage.
- Standardizing pad test protocols, including initial bladder filling, is crucial for reliable results.
Purpose of the Study:
- To investigate the influence of initial bladder filling (50% vs. 75% capacity) on 40-minute pad test outcomes.
- To assess test-retest reliability and patient preference for different bladder filling levels.
Main Methods:
- 71 women underwent a 40-minute pad test with randomized initial bladder filling (50% or 75%).
- A retest was conducted approximately 14 days later.
- Leakage volume and test-retest variation were analyzed. Patient subjective evaluations were also collected.
Main Results:
- No statistically significant difference in median leakage was observed between the 50% and 75% filling groups during the first or second test.
- Test-retest variation did not differ significantly between groups.
- Patients in the 50% filling group reported better correlation between test results and daily urinary leakage.
Conclusions:
- Initial bladder filling to 50% or 75% capacity does not significantly alter objective pad test leakage measurements.
- A 50% bladder filling level may enhance patient-reported outcome validity and preference in pad testing.
- Further research may refine bladder filling protocols for improved pad test standardization.