PMID: 19030249Nov 26, 2008Paper

Coagulase-negative staphylococcal infections in a neonatal intensive care unit: In vivo response to cloxacillin.

Paediatrics & Child Health
Marc P Blayney, Mahmud Al Madani

Abstract

Following the introduction of cloxacillin and gentamicin as the first line of treatment for possible late-onset sepsis (LOS) in the authors' neonatal intensive care unit (NICU), it was subsequently noted that very low birth weight (VLBW) infants improved clinically, despite subsequently positive blood cultures for oxacillin-resistant, coagulase-negative Staphylococcus (CONS). The results of the management of VLBW infants with CONS sepsis during one calendar year, based on clinical rather than laboratory findings, are presented. VLBW infants with LOS were identified through the neonatal database, and the charts of those with CONS were reviewed for antibiotic usage, antibiotic resistance pattern, clearance of CONS from the blood and NICU discharge status. Oxacillin sensitivity was determined by the presence of the mecA gene. From January 1 to December 31, 2002, 27 VLBW infants, treated in the authors' NICU for LOS due to CONS, were identified. The mean age of LOS infants with CONS was 15 days (median 12 days; range three to 54 days), the mean birth weight (+/- SD) was 904+/-247 g, and the mean gestational age at birth (+/- SD) was 27+/-2 weeks. All infants were started on cloxacillin and gentamicin, and improved clinically over t...Continue Reading

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