Evaluation of Bladder Capacity in Pediatric Patients with Nocturnal Enuresis Using Voiding Diary and Uroflowmetry: A Retrospective Study
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Objective: This retrospective study was conducted in a tertiary hospital in Turkiye, it was aimed to evaluate the results of kidney and bladder ultrasonography, uroflowmetric study and volume frequency chart in children diagnosed with bedwetting at night.
Methods: This study focused on patients aged 5-17 years who were treated for nocturnal enuresis in the single-center pediatric urology clinic of a tertiary hospital between 2017-2021. Patients' comorbidities, surgical history, urinary ultrasonography findings, uroflowmetry examination results, and two-day voiding diary were requested.
Results: The number of pediatric patients diagnosed with enuresis nocturna was 956. Abnormal ultrasonography findings were observed in 13.9% of patients. Almost half of the patients had a positive family history, and 13.4% had a history of previous surgical procedures. While the voiding diary indicated that 54.2% of patients had bladder volumes equivalent to the expected bladder capacity, uroflowmetry examination revealed low bladder capacity in 65% of patients.
Conclusion: This study underscores the significance of comprehensive evaluations, including detailed ultrasonography and voiding diary measurements, in pediatric patients with monosymptomatic enuresis nocturna. Our study suggests that bladder volume measured through a two-day weekend voiding diary may provide more effective information for estimating optimal bladder capacity compared to measurements obtained through uroflowmetry.