Detecting Reporting Resistance in Fastidious Bacteria - SWACM

Detecting Reporting Resistance in Fastidious Bacteria - SWACM Detecting Reporting Resistance in Fastidious Bacteria - SWACM

02.12.2014 Views

Specimen: Cerebrospinal fluid Diagnosis: Ventricular shunt infection Leuconostoc spp. penicillin MIC (µg/ml) 2 S “Leuconostoc spp. are intrinsically resistant to vancomycin. Infectious Disease consult suggested.”

Vancomycin-R Gram Positives (colonies may sometimes look like streptococci) Organism Vancomycin Vancomycin breakpoints? Erysipelothrix All “R” No Lactobacillus Some species “S” (e.g. L. acidophilus grp) Yes Leuconostoc All “R” No Pediococcus All “R” No

Vancomyc<strong>in</strong>-R Gram Positives<br />

(colonies may sometimes look like streptococci)<br />

Organism<br />

Vancomyc<strong>in</strong><br />

Vancomyc<strong>in</strong><br />

breakpo<strong>in</strong>ts?<br />

Erysipelothrix All “R” No<br />

Lactobacillus<br />

Some species “S”<br />

(e.g. L. acidophilus grp)<br />

Yes<br />

Leuconostoc All “R” No<br />

Pediococcus All “R” No

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