Antimicrobial Susceptibilities of a Worldwide Collection of Stenotrophomonas maltophilia Isolates Tested against Tigecycline and Agents Commonly Used for S. maltophilia Infections
Author(s) -
David J. Farrell,
Hélio S. Sader,
Ronald N. Jones
Publication year - 2010
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.01774-09
Subject(s) - tigecycline , stenotrophomonas maltophilia , broth microdilution , microbiology and biotechnology , antimicrobial , sulfamethoxazole , trimethoprim , biology , antibiotics , minimum inhibitory concentration , pseudomonas aeruginosa , bacteria , genetics
Antimicrobial susceptibilities were determined for 1,586 isolates of Stenotrophomonas maltophilia from globally diverse medical centers using the Clinical Laboratory Standards Institute broth microdilution method. The combination trimethoprim-sulfamethoxazole (96.0% of isolates susceptible at < or =2 microg/ml trimethoprim and 38 microg/ml sulfamethoxazole) and tigecycline (95.5% of isolates sussceptible at < or =2 microg/ml) were the only antimicrobials tested with >94% susceptibility in all regions. Susceptibility rates for other commonly used were lower than expected and varied geographically. This in vitro data supports tigecycline as a potential candidate for clinical investigations into S. maltophilia infections.
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