• J. Clin. Microbiol. · Dec 2012

    Comparative Study

    Rapid detection of Staphylococcus aureus in lower respiratory tract secretions from patients with suspected ventilator-associated pneumonia: evaluation of the Cepheid Xpert MRSA/SA SSTI assay.

    • Emilia Cercenado, Mercedes Marín, Almudena Burillo, Pablo Martín-Rabadán, Marisa Rivera, and Emilio Bouza.
    • Servicio de Microbiología y Enfermedades Infecciosas, Hospital General Universitario Gregorio Marañón, Madrid, Spain. ecercenado@terra.es
    • J. Clin. Microbiol. 2012 Dec 1;50(12):4095-7.

    AbstractA preclinical evaluation was conducted to evaluate the performance of the Cepheid Xpert assay on 135 lower respiratory tract secretions for detection of methicillin-resistant Staphylococcus aureus and S. aureus. Compared with the quantitative culture, the sensitivity, specificity, and positive and negative predictive values were 99.0%, 72.2%, 90.7%, and 96.3%, respectively.

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