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Published on: January 30, 2018
Uroflowmetry in children--is it necessary to repeat the study in a single patient?
R Chrzan1, J Czernik, W Apoznański
1Department of Paediatric Surgery and Urology, University of Medicine, Wrocław, Poland. r_chrzan@wp.pl
Insights
Repeating uroflowmetry in children does not improve assessment of lower urinary tract function. This study found that single uroflowmetry procedures are as effective as repeated tests for evaluating voiding function in pediatric patients.
Area of Science:
- Pediatric Urology
- Urodynamics
- Lower Urinary Tract Function
Background:
- Uroflowmetry is a key non-invasive urodynamic tool for assessing pediatric lower urinary tract function.
- Psychological factors can influence uroflowmetry results, often leading to test repetition in children.
Purpose of the Study:
- To compare uroflowmetry parameters from repeated tests in a single child versus single tests in a group of children.
- To evaluate the efficacy of a single uroflowmetry procedure in pediatric patients.
Main Methods:
- A single uroflowmetry study was conducted on 44 children (ages 9-11).
- One child underwent 32 successive uroflowmetry attempts for comparison.
- Parameters like voided volume, flow rates, and flow time were analyzed using Pearson's correlation coefficient (p < 0.05).
Main Results:
- Average voided volume and flow rates were lower in the single child's repeated attempts compared to the control group.
- No significant differences were found between groups, except for flow time/voided volume correlation (p < 0.05).
Conclusions:
- Repeating uroflowmetry does not enhance its effectiveness in assessing pediatric voiding function.
- Single uroflowmetry assessments appear sufficient for evaluating lower urinary tract function in children.
Unlabelled:
Uroflowmetry, as the only non-invasive urodynamic means of assessing the function of the lower urinary tract is widely used in children. A possible psychological influence on the results is the reason why uroflowmetry is often repeated in the same patient.
Objectives:
The investigation was conducted to compare parameters of repeated uroflowmetry in a single child with the results of single uroflowmetry performed in a group of children. The goal of the study was to evaluate the efficacy of a single uroflow procedure in children.
Material And Methods:
A single uroflowmetric study was performed in 44 children aged from 9 - 11 years (mean 10 yrs). Out of the group one child was chosen who had 32 successive uroflow attempts. The range and average values of the uroflowmetric parameters were compared in both groups. Pearson's correlation coefficient was used for calculation and for a comparison of the uroflowmetric parameters of both groups (significance level p < 0.05).
Results:
Average values of the voided volume, maximal and average flow were lower in the 32 attempts of a single child than in the control group (44 attempts). The values of the Pearson's correlation coefficient were ranged from 0.2 to 0.4 for flow/voided volume ratio and from 0.4 to 0.8 for flow time/voided volume ratio in both groups. There were no differences between the values in both groups apart from flow time/voided volume correlation (significance level p < 0.05).
Conclusion:
Repetition of uroflowmetric study does not seem to improve the efficacy of the modality in assessing voiding function in children.
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