Detrusor Thickness In Healthy Children Assessed By A Standardized Ultrasound Method
JOURNAL OF UROLOGY(2001)
摘要
Purpose: We determine the ultrasonographic detrusor thickness in healthy infants and children.Materials and Methods: We studied 150 healthy children, 79 boys and 71 girls, from newborns to 13 years old. The detrusor of the ventral and dorsal wall was measured with a previously established ultrasonographic technique, and the variation with age and bladder fullness was assessed.Results: Detrusor thickness varied significantly with the degree of bladder fullness (thinner at higher volumes). It also increased slightly with age. At bladder fullness of 10% or greater of expected bladder capacity (EBC), calculated using the formula EBC (ml.) = age (years) x 30 + 30, a practical upper limit for the detrusor thickness of the ventral wall at all ages was 2.0 mm. at a bladder fullness up to 50% of expected bladder capacity or 1.5 mm. at a higher degree of fullness. The detrusor of the ventral wall was slightly thicker in boys than in girls and also somewhat thicker than the detrusor of the dorsal wall.Conclusions: The results indicate that ultrasonographic measurements of detrusor thickness in children may serve as a diagnostic tool and its usefulness in clinical as well as research work should be explored.
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关键词
reference values, bladder, ultrasonography, child
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