Infective endocarditis due to Staphylococcus aureus: 59 prospectively identified cases with follow-up.

Abstract

Fifty-nine consecutive patients with definite Staphylococcus aureus infective endocarditis (IE) by the Duke criteria were prospectively identified at our hospital over a 3-year period. Twenty-seven (45.8%) of the 59 patients had hospital-acquired S. aureus bacteremia. The presumed source of infection was an intravascular device in 50.8% of patients. Transthoracic echocardiography (TTE) revealed evidence of IE in 20 patients (33.9%), whereas transesophageal echocardiography (TEE) revealed evidence of IE in 48 patients (81.4%). The outcome for patients was strongly associated with echocardiographic findings: 13 (68.4%) of 19 patients with vegetations visualized by TTE had an embolic event or died of their infection vs. five (16.7%) of 30 patients whose vegetations were visualized only by TEE (P < .01). Most patients with S. aureus IE developed their infection as a consequence of a nosocomial or intravascular device-related infection. TEE established the diagnosis of S. aureus IE in many instances when TTE was nondiagnostic. Visualization of vegetations by TTE may provide prognostic information for patients with S. aureus IE.

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@article{Fowler1999InfectiveED, title={Infective endocarditis due to Staphylococcus aureus: 59 prospectively identified cases with follow-up.}, author={Vance G. Fowler and Linda L Sanders and Looi Kok Kong and R S Mcclelland and Geoffrey S. Gottlieb and Ji-cheng Li and Tracy M Ryan and Daniel John Sexton and Georges Roussakis and Lizzie J. Harrell and Gordon Ralph Corey}, journal={Clinical infectious diseases : an official publication of the Infectious Diseases Society of America}, year={1999}, volume={28 1}, pages={106-14} }