Repeat antimicrobial susceptibility testing of identical isolates.
Duplicate antimicrobial susceptibility test results were reviewed over a 1-year period to determine whether repeat testing of sequential isolates with the same identification from the same patient and specimen site was necessary. In our institution, repeat testing is always needed for coagulase-negative staphylococci and Pseudomonas aeruginosa and is needed after 3 days for members of the family Enterobacteriaceae, but it is not routinely necessary for Staphylococcus aureus.
Thomson
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Department of Pathology, Akron City Hospital, Ohio 44309.
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Burgoon
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D004352:Drug Resistance, Microbial; D004755:Enterobacteriaceae / Q000187:drug effects*; D006801:Humans; D008826:Microbial Sensitivity Tests / Q000592:standards*; D011550:Pseudomonas aeruginosa / Q000187:drug effects*; D012189:Retrospective Studies; D013210:Staphylococcus / Q000187:drug effects*; D013211:Staphylococcus aureus / Q000187:drug effects