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Radiologic method to assess urinary bladder capacity and proportions in children
Insights
Bladder capacity in children was assessed after urinary tract infections (UTIs). Findings correlate bladder size to lumbar spine length, aiding in diagnosing abnormal bladder growth.
Area of Science:
- Pediatric Urology
- Radiology
- Pediatric Nephrology
Background:
- Urinary tract infections (UTIs) are common in children.
- Assessing bladder capacity is crucial for diagnosing urinary tract abnormalities.
- Post-infection bladder function requires further investigation.
Purpose of the Study:
- To determine bladder capacity in children following a treated UTI.
- To correlate bladder capacity with the length of the L1-L3 lumbar spine segment.
- To establish methods for assessing normal and abnormal bladder size.
Main Methods:
- Physiological and radiological assessment of bladder capacity.
- Micturition urethrocystography performed 4-8 weeks post-UTI treatment.
- Correlation of bladder capacity (at 50 cm H2O pressure) with L1-L3 lumbar segment length.
Main Results:
- Bladder capacity was measured in 139 children post-UTI.
- A correlation was established between bladder capacity and lumbar segment length.
- Standard deviation is used to express normal and abnormal bladder size.
Conclusions:
- Bladder capacity can be reliably assessed after successful UTI treatment.
- Lumbar spine length (L1-L3) serves as a reference for bladder capacity.
- Standardized measurements aid in identifying abnormal bladder development.
Abstract:
The bladder capacity has been determined physiologically and radiologically at micturition urethrocystography in 139 otherwise normal children 4 to 8 weeks after a bacteriologically confirmed, successfully treated urinary tract infection. This capacity, at a pressure of 50 cm of contrast medium, has been correlated to the length of the lumbar segment L1 to L3. The assessment of normal and abnormal bladder size can be made from infused volume or three dimensional radiologic measurements and is expressed in standard deviations.