Affiliation:
1. Department of Medicine (Infectious Diseases), Louisiana State University Health Sciences Center, New Orleans, Louisiana 70112
Abstract
ABSTRACT
A comparison of antimicrobial susceptibility data of species of the
Bacteroides fragilis
group for 1989-1990 and 1998-1999 studies showed statistically significant increases or decreases in in vitro activity. Overall significant increases in resistance were noted for ampicillin-sulbactam and clindamycin, while significant decreases in resistance were noted for ertapenem and cefoxitin. Susceptibilities to piperacillin-tazobactam, imipenem, meropenem, and trovafloxacin remained virtually the same for the two studies. Importantly, a change in the rates of isolation of the various species showed the
B. fragilis
species comprised 58% of the isolates in 1989 to 1990 and 45% of the isolates in 1998 to 1999. This change in rates of isolation of
B. fragilis
versus non-
B. fragilis
species had an overall effect on susceptibility data.
Publisher
American Society for Microbiology
Cited by
30 articles.
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