Characteristics of the bladder in infants with urinary tract infections: an ultrasound study

Background Patients with urinary tract infection (UTI) are known to have impaired bladder function as demonstrated by urodynamic (UD) studies. UD is rarely performed in infants. Objective To evaluate bladder function in infants with UTI using a dynamic US protocol. Maximal bladder volume (MaxBV), re...

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Bibliographic Details
Published in:Pediatric radiology 2008-10, Vol.38 (10), p.1084-1088
Main Authors: Liu, Ji-xian, Leung, Vivian Yee-fong, Chu, Winnie Chiu-wing, Sreedhar, Biji, Metreweli, Constantine, Yeung, Chung-kwong
Format: Article
Language:English
Subjects:
Case-Control Studies
Female
Humans
Imaging
Infant
Male
Medicine
Medicine & Public Health
Neuroradiology
Nuclear Medicine
Oncology
Original Article
Pediatrics
Radiology
Statistics, Nonparametric
Ultrasonography
Ultrasound
Urinary Bladder - diagnostic imaging
Urinary Bladder - physiopathology
Urinary Tract Infections - diagnostic imaging
Urinary Tract Infections - physiopathology
Urodynamics
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Summary:Background Patients with urinary tract infection (UTI) are known to have impaired bladder function as demonstrated by urodynamic (UD) studies. UD is rarely performed in infants. Objective To evaluate bladder function in infants with UTI using a dynamic US protocol. Maximal bladder volume (MaxBV), residual volume (RV) and bladder wall thickness (BWT) were measured and compared with values from normal controls. Materials and methods A total of 57 consecutive infants (47 males, 10 females; mean age 0.48±0.30 years) with proven UTI, and 63 age-matched normal controls (37 males, 26 females; mean age 0.47±0.37 years) were recruited. MaxBV was determined just before voiding, and RV and BWT were measured after spontaneous voiding. Results Infants with UTI had smaller MaxBV (34.89 vs. 42.91 ml), larger RV (3.46 vs. 1.51 ml) and greater BWT (4.21 vs. 3.68 mm) than normal infants ( P
ISSN:0301-0449
1432-1998
DOI:10.1007/s00247-008-0958-y