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Colorized scanning electron micrograph of a human neutrophil ingesting MRSA. Methicillin-resistant Staphylococcus aureus (MRSA) is a group of gram-positive bacteria that are genetically distinct from other strains of Staphylococcus aureus. MRSA is responsible for several difficult-to-treat infections in humans.
This test was recommended the standard by the Clinical and Laboratory Standards Institute in 2004 for its use against MRSA. [3] Testing for inducible clindamycin resistance is typically performed in strains of Staphylococcus, β-hemolytic streptococci, and Streptococcus pneumoniae that demonstrate erythromycin resistance and clindamycin ...
Depending upon the type of infection present, an appropriate specimen is obtained accordingly and sent to the laboratory for definitive identification by using biochemical or enzyme-based tests. A Gram stain is first performed to guide the way, which should show typical gram-positive bacteria, cocci, in clusters.
In the laboratory, it is used to distinguish between different types of Staphylococcus isolates. Importantly, S. aureus is generally coagulase-positive, meaning that a positive coagulase test would indicate the presence of S. aureus or any of the other 11 coagulase-positive Staphylococci. [1]
The infection can be life-threatening. Problematically, methicillin-resistant Staphylococcus aureus (MRSA) has become a major cause of hospital-acquired infections. MRSA has also been recognized with increasing frequency in community-acquired infections. [7]
This allowed the test to be performed by the over 27,000 institutions registered for CLIA Moderate Complexity in addition to the approximately 7,000 institutions registered for High Complexity tests. [citation needed] In 2012, Cepheid won a contract with the U.S. Department of Veterans Affairs for its MRSA reagent test kits. [15]
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