Document Detail

Influenza virus infection and the risk of serious bacterial infections in young febrile infants.
MedLine Citation:
PMID:  19564280     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: We aimed to determine the risk of SBIs in febrile infants with influenza virus infections and compare this risk with that of febrile infants without influenza infections. PATIENTS AND METHODS: We conducted a multicenter, prospective, cross-sectional study during 3 consecutive influenza seasons. All febrile infants <or=60 days of age evaluated at any of 5 participating pediatric EDs between October and March of 1998 through 2001 were eligible. We determined influenza virus status by rapid antigen detection. We evaluated infants with blood, urine, cerebrospinal fluid, and stool cultures. Urinary tract infection (UTI) was defined by single-pathogen growth of either >or=5 x 10(4) colony-forming units per mL or >or=10(4) colony-forming units per mL in association with a positive urinalysis. Bacteremia, bacterial meningitis, and bacterial enteritis were defined by growth of a known bacterial pathogen. SBI was defined as any of the 4 above-mentioned bacterial infections. RESULTS: During the 3-year study period, 1091 infants were enrolled. A total of 844 (77.4%) infants were tested for the influenza virus, of whom 123 (14.3%) tested positive. SBI status was determined in 809 (95.9%) of the 844 infants. Overall, 95 (11.7%) of the 809 infants tested for influenza virus had an SBI. Infants with influenza infections had a significantly lower prevalence of SBI (2.5%) and UTI (2.4%) when compared with infants who tested negative for the influenza virus. Although there were no cases of bacteremia, meningitis, or enteritis in the influenza-positive group, the differences between the 2 groups for these individual infections were not statistically significant. CONCLUSIONS: Febrile infants <or=60 days of age with influenza infections are at significantly lower risk of SBIs than febrile infants who are influenza-negative. Nevertheless, the rate of UTI remains appreciable in febrile, influenza-positive infants.
William I Krief; Deborah A Levine; Shari L Platt; Charles G Macias; Peter S Dayan; Joseph J Zorc; Nancy Feffermann; Nathan Kuppermann;
Publication Detail:
Type:  Journal Article; Multicenter Study; Research Support, N.I.H., Extramural; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Pediatrics     Volume:  124     ISSN:  1098-4275     ISO Abbreviation:  Pediatrics     Publication Date:  2009 Jul 
Date Detail:
Created Date:  2009-06-30     Completed Date:  2009-09-22     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0376422     Medline TA:  Pediatrics     Country:  United States    
Other Details:
Languages:  eng     Pagination:  30-9     Citation Subset:  AIM; IM    
Department of Pediatrics and Emergency Medicine, Schneider Children's Hospital/Long Island Jewish Medical Center, New Hyde Park, NY 11040, USA.
Export Citation:
APA/MLA Format     Download EndNote     Download BibTex
MeSH Terms
Bacterial Infections / epidemiology*
Cross-Sectional Studies
Fever / epidemiology
Infant, Newborn
Influenza, Human / epidemiology*
Prospective Studies
Respiratory Syncytial Virus Infections / epidemiology
Grant Support

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

Previous Document:  Age-related renal parenchymal lesions in children with first febrile urinary tract infections.
Next Document:  Pediatric specialized transport teams are associated with improved outcomes.