Nomograms of total renal volume, urinary bladder volume and bladder wall thickness index in 3,376 children with a normal urinary tract.

Abstract:

BACKGROUND:We have previously shown that urinary bladder volume index (BVI = length x width x depth of bladder) and bladder volume wall thickness index (BVWI = BVI at full bladder/average bladder wall thickness) are useful indicators of bladder dysfunction in children with enuresis and urinary tract infection. These indices show a good correlation with urodynamic studies. We have expanded the study to include normal paediatric subjects with a wide age range. We illustrate a simple sonography protocol with nomograms of different parameters, which provide useful references for functional assessment in children with urological abnormalities. OBJECTIVE:To construct nomograms of total renal volume, maximum BVI and BVWI based on a Chinese paediatric population with age range from newborn to adolescence. MATERIALS AND METHODS:Sonography was performed in consecutive children with normal urinary tracts on imaging, using a standardized protocol. Data were collected for construction of nomograms for different parameters. RESULTS:Nomograms of total renal volume, BVI and BVWI were constructed based on 3,376 consecutive paediatric subjects. All parameters consistently increased with age. CONCLUSION:Nomograms of total renal volume, BVI and BVWI could provide useful references for studying bladder dysfunction in children using noninvasive dynamic sonography.

journal_name

Pediatr Radiol

journal_title

Pediatric radiology

authors

Leung VY,Chu WC,Yeung CK,Sreedhar B,Liu JX,Wong EM,Metreweli C

doi

10.1007/s00247-006-0376-y

subject

Has Abstract

pub_date

2007-02-01 00:00:00

pages

181-8

issue

2

eissn

0301-0449

issn

1432-1998

journal_volume

37

pub_type

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