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ISSN: 2333-9721
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-  2019 

Ultrasonography of Bladder Dysfunction in Children: Does Sex Affect the Measurements and Diagnosis?

Keywords: cinsiyeyt fark?,?ocuk,dolu-bo? oran?,mesane disfonksiyonu,ultrasonografi

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Abstract:

Aim: Although evaluating bladder dysfunction in children with ultrasonography is feasible, effects of sex differences on the bladder wall measurements and diagnosis are still unknown. This study aimed to measure bladder dysfunction parameters in children by ultrasonography and determine the possible effects of sex on the diagnostic performance. Materials and Methods: The study included 64 children diagnosed with bladder dysfunction (female/male: 46/18; age: 7.8±2.5, 4–16 years) and 11 healthy children (female/male: 7/4; age: 9.9±4.4, 4–17 years). The anterior, posterior and both lateral walls of the bladder were measured using US before and after urinating. The full-to-empty ratios (FER) of wall thickness were calculated. Statistical data analysis and receiver operating characteristic analysis were performed, and the measurements were evaluated for sex-based differences. Results: Intergroup data analysis showed that the FER was consistently different between the patients and healthy children, but not between the two sexes. The FER cut-off thresholds (with sensitivity and specificity values) for anterior, posterior, right lateral, and left lateral detrusor were 0.321 (75%, 73%), 0.401 (70%, 63%), 0.328 (73%, 65%), and 0.321 (75%, 65%) mm, respectively. The detrusor thicknesses varied between females and males within each group irrespective of whether the bladder was full or empty. The same was also true for the FER. Discussion and Conclusion: Ultrasound-based FER measurement of bladder wall thickness is significantly useful in the diagnosis of bladder dysfunction, irrespective of sex

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