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Table 2 Susceptibility of MRSA to daptomycin as analyzed by clinical laboratory testing

From: First case report of vancomycin-intermediate sequence type 72 Staphylococcus aureuswith nonsusceptibility to daptomycin

Method Daptomycin MIC (μg/ml) [interpretation]
Isolate 1 Isolate 1’ Isolate 2 Isolate 3 Isolate 4
MicroScan (Siemens, Tokyo, Japan) ≤0.5 [S] ≤0.5 [S] ≤0.5 [S] >1 [NS] >1 [NS]
Frozen plate (Eiken, Tokyo, Japan) 0.5 [S] 0.5 [S] 0.25 [S] 1 [S] 1.5 [NS]
Etest® (bioMérieux, Marcy-l'Étoile, France) 0.125 [S] 0.125 [S] 0.125 [S] 1 [S] 1.5 [NS]
  1. Isolate 1: blood culture on the first hospital day; Isolate1’: pus from the abscess on the first hospital day; Isolate 2: pus from the abscess on the sixth hospital day; Isolate 3: blood culture on the 40th hospital day; Isolate 4: pus from the abscess on the 55th hospital day. S: Susceptible; NS: Nonsusceptible.