Staphylococcus lugdunensis: an emerging pathogen.

Objective: To evaluate the clinical relevance and impact of an emerging bacterial pathogen, Staphylococcus lugdunensis, in a large teaching hospital.

Methods: Three-year retrospective microbiological and clinical review of all S. lugdunensis isolates from a single medical center.

Predicting mortality in hospitalized patients with 2009 H1N1 influenza pneumonia.

Background: Community-acquired pneumonia (CAP) severity scores can identify patients at low risk for mortality who may be suitable for ambulatory care. Here, we follow the clinical course of hospitalized patients with CAP due to 2009 H1N1 influenza.

Objective: To evaluate the role of CAP severity scores as predictors of mortality.

Methicillin-resistant Staphylococcus aureus resistance to non-beta-lactam antimicrobials in the United States from 1996 to 2008.

We report the resistance rates of Staphylococcus aureus to non-beta-lactam antimicrobials from The Surveillance Network Database-USA (Eurofins-Medinet, Chantilly, VA). Specimens studied were from lower respiratory tract, wounds, and blood. Patients were stratified by age group and patient setting.

Prevalence of MRSA colonization in peripartum mothers and their newborn infants.

Methicillin-resistant Staphylococcus aureus (MRSA) cultures were obtained from 288 mother-infant pairs. A questionnaire given to mothers and medical record review assessed risk factors for colonization. Only 2.