[Examination of urine in the child]

Simonetti, G D; Konrad, M (2006). [Examination of urine in the child]. Therapeutische Umschau, 63(9), pp. 579-84. Bern: Huber 10.1024/0040-5930.63.9.579

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The examination of urine in children can be very complex, due to the difficulty to obtain clean urine specimens in infants and toddlers. Clean catch is an easy system to obtain urine but patience is needed. Transurethral catheterization or suprapubic aspiration is useful in infants and toddlers with sign of pyelonephritis. Urine bag specimens are not useful in the diagnosis of urinary tract infection because of the high rate of false positive cultures. The 24 hours urine collection is frequently replaced by a spot urine and the ratio of the measured substances with the urine creatinine are calculated. Urine microscopy is needed for the evaluation of pathological results in the dipstick testing: confirm that red urine is due to haematuria by demonstration of red blood cells on urine microscopy, dysmorphic cells and red-cell casts are pathognomonic of glomerular bleeding, white-cell casts signify glomerular inflammation and bacteria are easily seen in unstained urine. A urine culture is pathologic if the colony count exceeds 10(4) in the transurethral catheterization or clean void. In the suprapubic aspiration is any number of colony pathologic. Urate crystals in the urine of infants may cause a pink discoloration to nappies. Urine screenings are not very useful and should be performed only at the age of 5 years or by sexual-active adolescents.

Item Type:	Journal Article (Further Contribution)
Division/Institute:	04 Faculty of Medicine > Department of Gynaecology, Paediatrics and Endocrinology (DFKE) > Clinic of Paediatric Medicine
UniBE Contributor:	Konrad, Martin
ISSN:	0040-5930
ISBN:	17048172
Publisher:	Huber
Language:	English
Submitter:	Anette van Dorland
Date Deposited:	04 Oct 2013 14:48
Last Modified:	05 Dec 2022 14:14
Publisher DOI:	10.1024/0040-5930.63.9.579
PubMed ID:	17048172
Web of Science ID:	A1981LL67300004
URI:	https://boris.unibe.ch/id/eprint/20001 (FactScience: 3080)