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Arch Dis Child Fetal Neonatal Ed doi:10.1136/adc.2009.178483
  • Original article

Empirical treatment of neonatal sepsis: are the current guidelines adequate?

  1. iCAP Group (Improving Antibiotic Prescribing in Primary Care)
  1. 1Department of Healthcare-Associated Infection and Antimicrobial Resistance, Health Protection Agency Centre for Infections, London, UK
  2. 2Division of Child Health, St George's, University of London, London, UK
  3. 3MRC Centre of Epidemiology for Child Health, University College London – Institute of Child Health, London, UK
  4. 4Paediatric Infectious Disease Unit, St George's Hospital, University of London, London, UK
  1. Correspondence to B Muller-Pebody, Department of Healthcare-Associated Infection and Antimicrobial Resistance, Health Protection Agency Centre for Infections, 61 Colindale Avenue, London NW9 5EQ, UK; Berit.Muller-Pebody{at}hpa.org
  • Accepted 3 April 2010
  • Published Online First 28 June 2010

Abstract

Objectives To use national laboratory surveillance data to determine whether pathogens responsible for neonatal bacteraemia were sensitive to nationally recommended antibiotic regimens.

Design All reports of neonatal bacteraemia received by the Health Protection Agency's voluntary surveillance scheme in England and Wales from January 2006 until March 2008, were extracted from the database. Organisms were ranked by frequency, and proportions susceptible to antimicrobials recommended for empirical treatment of neonatal sepsis were determined.

Results There were 1516 reports of bacteraemia for neonates <48 h old (early-onset) and 3482 reports for neonates 2–28 days old (late-onset). For early-onset bacteraemia, group B streptococcus (GBS) was the most frequent pathogen (31%) followed by coagulase-negative staphylococci (CoNS; 22%), non-pyogenic streptococci (9%) and Escherichia coli (9%). For late-onset bacteraemia, CoNS were isolated most frequently (45%), followed by Staphylococcus aureus (13%), Enterobacteriaceae (9%), E coli (7%) and GBS (7%). More than 94% of organisms (early-onset) were susceptible to regimens involving combinations of penicillin with either gentamicin or amoxicillin, amoxicillin combined with cefotaxime or cefotaxime monotherapy. More than 95% of organisms (late-onset) were susceptible to gentamicin with either flucloxacillin or amoxicillin and amoxicillin with cefotaxime, but only 79% were susceptible to cefotaxime monotherapy.

Conclusions Current guidelines for empirical therapy in neonates with sepsis are appropriate. However, gentamicin-based regimens should be used in preference to cefotaxime-based treatments, because of lower levels of susceptibility to cefotaxime and the need to avoid exerting selective pressure for resistance. Surveillance data linked to clinical data should further inform rational antibiotic prescribing in neonatal units.

Footnotes

  • Competing interests None.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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