Sulphafurazole is the only antibiotic calibrated for the testing of Stenotrophomonas maltophilia by the CDS method. If the isolate is found resistant to sulphafurazole, what other antibiotics can be tested and reported?
A. As stated in the CDS manual, sulphafurazole resistance in Stenotrophomonas maltophilia can lead to a therapeutic dilemma. In this situation we recommend testing aztreonam, ceftazidime, piperacillin, Timentin, Tazocin, ciprofloxacin and moxifloxacin using the criteria set out for Pseudomonas species (susceptibility equals an annular radius of ≥ 6 mm). A warning such as A combination of antibiotics is necessary for successful therapy should then be issued with the susceptibility report.
Related Questions
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