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Updated: Apr 30, 2026

Ultrasonography of the Adult Male Urinary Tract for Urinary Functional Testing
Published on: August 14, 2019
Bladder function development and its urodynamic evaluation in neonates and infants less than 2 years old.
Jian Guo Wen1, Yu Tao Lu1, Lin Gang Cui1
1Pediatric Urodynamic Centre, First Affiliated Hospital of Zhengzhou University, Zhengzhou, P.R., China.
Understanding bladder function in infants is crucial. Urodynamic studies (UDS) aid in identifying early bladder dysfunction, though normal ranges are still developing.
Area of Science:
- Pediatric Urology
- Neonatal Physiology
- Lower Urinary Tract Function
Background:
- Bladder function development in neonates and infants is complex.
- Establishing normative data for bladder parameters in this age group is challenging.
Purpose of the Study:
- To review bladder function development in infants under 2 years.
- To discuss the role and challenges of urodynamic studies (UDS) in this population.
Main Methods:
- Comprehensive literature review on neonatal and infant bladder development.
- Analysis of existing data on urodynamic evaluation in young children.
Main Results:
- Normal ranges for bladder volume and pressure during voiding are not well-established in infants.
- Interpretation of urodynamic studies (UDS) findings is difficult due to lack of normative data.
- This review highlights developmental insights and lower urinary tract issues.
Conclusions:
- Further research in animal models and human studies is needed to fully understand bladder development.
- Urodynamic studies (UDS) remain vital for detecting early bladder dysfunction in newborns and infants.
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