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Predictive factors of low risk for bacteremia in infants with urinary tract infection

Roberto Velasco-Zúñiga1, Juan Enrique Trujillo-Wurttele, Jose Luis Fernández-Arribas

  • 1Pediatric Emergency Department, Rio Hortega Teaching Hospital,Valladolid, Spain. quetzal1980@yahoo.es

The Pediatric Infectious Disease Journal
|February 4, 2012
PubMed

Insights

Febrile infants aged 30-90 days with positive urine cultures were studied for complication risks. Infants appearing healthy with low C-reactive protein levels showed a very low probability of developing complications.

Area of Science:

  • Pediatrics
  • Infectious Diseases
  • Neonatology

Background:

  • Urinary tract infections (UTIs) are common in febrile infants.
  • Identifying infants at low risk for complications is crucial for appropriate management.
  • Risk stratification helps avoid unnecessary hospitalizations and invasive procedures.

Purpose of the Study:

  • To analyze the risk of complications in febrile infants with positive urine cultures.
  • To identify clinical and laboratory predictors of complications in this population.

Main Methods:

  • Retrospective study of 140 febrile infants aged 30 to 90 days.
  • Inclusion criteria: positive urine culture and fever.
  • Data collected included clinical appearance and C-reactive protein (CRP) levels.

Main Results:

  • A healthy clinical appearance was associated with a low risk of complications.
  • C-reactive protein blood values less than 40 mg/L were also indicative of a low risk.
  • These factors together suggest a very small probability of serious complications.

Conclusions:

  • Febrile infants with positive urine cultures and a healthy appearance, along with low CRP levels, have a very low risk of complications.
  • Clinical assessment and CRP levels can aid in risk stratification for febrile infants with UTIs.
  • This may help guide decisions regarding the need for hospitalization and further investigations.

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