Renal tract abnormalities missed in a historical cohort of young children with UTI if the NICE and AAP imaging guidelines were applied

The prevalence of renal tract abnormalities missed by the new guidelines is high. They should be used with full awareness of their limitations. Table. The percentage of abnormalities potentially missed in 43 children aged between 2 months and 2 years with febrile urinary tract infection if the NICE or AAP guidelines had been usedNICE guidelinesAAP guidelinesHydronephrosis00VURa6356Renal scarring44100Decreased renal uptakeb20100NICE: National Institute for Health and Clinical Excellence; AAP: American Academy of Pediatrics.aVesicoureteral reflux (VUR) ≥ grade II.bReduced differential renal function <45% on DMSA scintigraphy.