• Raimund Stein, Hasan S Dogan, Piet Hoebeke, Radim Kočvara, Rien J M Nijman, Christian Radmayr, Serdar Tekgül, European Association of Urology, and European Society for Pediatric Urology.
• Division of Paediatric Urology, Department of Urology, Mainz University Medical Centre, Johannes Gutenberg University, Mainz, Germany. Electronic address: steinraimund@gmail.com.
• Eur. Urol. 2015 Mar 1; 67 (3): 546-58.

ContextIn 30% of children with urinary tract anomalies, urinary tract infection (UTI) can be the first sign. Failure to identify patients at risk can result in damage to the upper urinary tract.ObjectiveTo provide recommendations for the diagnosis, treatment, and imaging of children presenting with UTI.Evidence AcquisitionThe recommendations were developed after a review of the literature and a search of PubMed and Embase. A consensus decision was adopted when evidence was low.Evidence SynthesisUTIs are classified according to site, episode, symptoms, and complicating factors. For acute treatment, site and severity are the most important. Urine sampling by suprapubic aspiration or catheterisation has a low contamination rate and confirms UTI. Using a plastic bag to collect urine, a UTI can only be excluded if the dipstick is negative for both leukocyte esterase and nitrite or microscopic analysis is negative for both pyuria and bacteriuria. A clean voided midstream urine sample after cleaning the external genitalia has good diagnostic accuracy in toilet-trained children. In children with febrile UTI, antibiotic treatment should be initiated as soon as possible to eradicate infection, prevent bacteraemia, improve outcome, and reduce the likelihood of renal involvement. Ultrasound of the urinary tract is advised to exclude obstructive uropathy. Depending on sex, age, and clinical presentation, vesicoureteral reflux should be excluded. Antibacterial prophylaxis is beneficial. In toilet-trained children, bladder and bowel dysfunction needs to be excluded.ConclusionsThe level of evidence is high for the diagnosis of UTI and treatment in children but not for imaging to identify patients at risk for upper urinary tract damage.Patient SummaryIn these guidelines, we looked at the diagnosis, treatment, and imaging of children with urinary tract infection. There are strong recommendations on diagnosis and treatment; we also advise exclusion of obstructive uropathy within 24h and later vesicoureteral reflux, if indicated.Copyright © 2014 European Association of Urology. Published by Elsevier B.V. All rights reserved.

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