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Updated: Jul 18, 2026
05:25
Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
Published on: August 14, 2019
[Uroflowmetry in children: Prospective study of normal parameters].
Samira Farhane1, Radhia Saidi, Nassim Fredj
1Service de Chirurgie Urologique, CHU Fattouma Bourguiba, Monastir, Tunisie. omselem@yahoo.fr
Summary
Normal uroflowmetry (UF) parameters like maximum flow rate (Qmax) vary significantly with age, voided volume (V), and body surface area (BSA) in children. This study establishes crucial reference data for pediatric UF interpretation.
Area of Science:
- Pediatric Urology
- Urodynamics
- Clinical Pediatrics
Context:
- Uroflowmetry (UF) is a primary urodynamic assessment for lower urinary tract function.
- Interpreting pediatric UF is challenging due to limited normative data.
- Maximum flow rate (Qmax) is a key UF parameter requiring age- and size-specific benchmarks.
Purpose:
- To prospectively determine normal uroflowmetry parameters in a cohort of 202 children aged 5–15 years.
- To evaluate the influence of age, body surface area (BSA), and voided volume (V) on Qmax and maximum flow time (TQmax).
- To establish reference values for pediatric uroflowmetry.
Summary:
- UF parameters, including Qmax and TQmax, were measured in 202 children (5–15 years) without voiding disorders.
- Qmax demonstrated a positive correlation with age, V, and BSA, being higher in girls.
- TQmax also correlated positively with age, V, and BSA, showing higher values in boys.
Impact:
- This study provides essential normative uroflowmetry data for pediatric populations.
- Established correlations aid in the accurate interpretation of pediatric UF results.
- Findings support the utility of uroflowmetry in diagnosing infravesical obstruction in children.
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