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Volume 8, Number 4—April 2002

Research

Laboratory Reporting of Staphylococcus aureus with Reduced Susceptibility to Vancomycin in United States Department of Veterans Affairs Facilities1

Stephen M. Kralovic*†‡Comments to Author , Linda H. Danko*†, and Gary A. Roselle*†‡
Author affiliations: *Department of Veterans Affairs Central Office, Washington, D.C., USA; †Cincinnati Veterans Affairs Medical Center, Cincinnati, Ohio, USA; ‡University of Cincinnati College of Medicine, Cincinnati, Ohio, USA

Main Article

Table 3

Reported susceptibility to quinolones and other agents of reported isolates of Staphylococcus aureus with reduced susceptibility to vancomycin from United States Veterans Health Administration medical facilities, FFY 1999a

Case MIC/sensitivity status
ciprofloxacin levofloxacin ofloxacin norfloxacin gentamicin furodantin
1 /S
2 <1 μg/mL <4 μg/mL <1 μg/mL <32 μg/mL
3 >2 μg/mL/R >4 μg/mL/R >8 μg/mL <1 μg/mL <32 μg/mL
4 >2 μg/mL/R >8 μg/mL <1 μg/mL <32 μg/mL
5 <1 μg/mL/S 4 μg/mL/I <1 μg/mL/S
6 >2 μg/mL/R >4 μg/mL/R 8 μg/mL/I
7 >2 μg/mL/R >4 μg/mL/R >8 μg/mL/R
8 >2 μg/mL/R >4 μg/mL/R >8 μg/mL/R
9 >2 μg/mL/R >4 μg/mL/R <1 μg/mL/S <32 μg/mL
10 =2 μg/mL/I <2 μg/mL/S <1 μg/mL/S =64 μg/mL
11 >2 μg/mL/R >4 μg/mL/R <1 μg/mL/S <32 μg/mL
12 >2 μg/mL/R >4 μg/mL/R <1 μg/mL/S <32 μg/mL/S
13 >2 μg/mL/R >4 μg/mL/R <1 μg/mL/S <32 μg/mL/S
14 <1 μg/mL/S <2 μg/mL/S <1 μg/mL/S <32 μg/mL
15 /R
16
17
18 <1 μg/mL <1 μg/mL
19 <0.5 μg/mL/S <1 μg/mL/S <2 μg/mL/S
Total 9/16=R 4/5=R 4/7=R 3/16=R

aFFY=Federal fiscal year; S=susceptible, I=intermediate and R=resistant based on laboratory interpretative criteria.

Main Article

1A portion of this material was presented at the 11th Annual Scientific Meeting of the Society for Healthcare Epidemiology of America in Toronto, Ontario, Canada (Abstract #49), April 2001.

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