Antimicrobial Activity of Ceftaroline and Other Anti-Infective Agents against Microbial Pathogens Recovered from the Surgical Intensive Care Patient Population: A Prevalence Analysis

Charles E. Edmiston, Candace J. Krepel, David Leaper, Nathan A. Ledeboer, Tami-lea Mackey, Mary Beth Graham, Cheong J. Lee, Peter J. Rossi, Kellie R. Brown, Brian D. Lewis, Gary R. Seabrook

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Background: Ceftaroline is a new parenteral cephalosporin agent with excellent activity against methicillin-sensitive (MSSA) and resistant strains of Staphylococcus aureus (MRSA). Critically ill surgical patients are susceptible to infection, often by multi-drug-resistant pathogens. The activity of ceftaroline against such pathogens has not been described.

Methods: Three hundred thirty-five consecutive microbial isolates were collected from surgical wounds or abscesses, respiratory, urine, and blood cultures from patients in the surgical intensive care unit (SICU) of a major tertiary medical center. Using Clinical and Laboratory Standards Institute (CLSI) standard methodology and published breakpoints, all aerobic, facultative anaerobic isolates were tested against ceftaroline and selected comparative antimicrobial agents.

Results: All staphylococcal isolates were susceptible to ceftaroline at a breakpoint of ≤1.0 mcg/mL. In addition, ceftaroline exhibited excellent activity against all streptococcal clinical isolates and non-ESBL-producing strains of Enterobacteriaceae (93.5%) recovered from SICU patients. Ceftaroline was inactive against ESBL-producing Enterobacteriaceae, Pseudomonas aeruginosa, vancomycin-resistant enterococci, and selective gram-negative anaerobic bacteria.

Conclusions: At present, ceftaroline is the only cephalosporin agent that is active against community and healthcare-associated MRSA. Further studies are needed to validate the benefit of this novel broad-spectrum anti-infective agent for the treatment of susceptible serious infections in the SICU patient population.
Original languageEnglish
Pages (from-to)745-751
Number of pages7
JournalSurgical Infections
Volume15
Issue number6
Early online date4 Jun 2014
DOIs
Publication statusPublished - 15 Dec 2014
Externally publishedYes

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