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  • Title: Concomitant Staphylococcus aureus bacteriuria is associated with complicated S. aureus bacteremia.
    Author: Pulcini C, Matta M, Mondain V, Gaudart A, Girard-Pipau F, Mainardi JL, Dellamonica P.
    Journal: J Infect; 2009 Oct; 59(4):240-6. PubMed ID: 19666050.
    Abstract:
    OBJECTIVES: To identify factors associated with complicated Staphylococcus aureus bacteremia (SAB) in adults. METHODS: Prospective observational multicenter study during 2 years in Nice University Hospital and during 6 months in the Hôpital Européen Georges Pompidou, Paris, including all adult inpatients with SAB assessed by an Infectious Diseases (ID) specialist. RESULTS: We included 104 SAB (79 in Nice and 25 in Paris), of which 45 were complicated, including 18 endocarditis and 23 bone and joint infections. A concomitant urine sample was performed in 65% of the cases, showing S. aureus bacteriuria 23/68 (34%) times. Blood cultures were drawn 48-96h after an appropriate antibiotic therapy had been started in 70 of the 104 cases (67%) and were positive in 28 cases (40%). CONCLUSIONS: The 3 following factors were found to be associated with complicated SAB in univariate analysis: community acquisition (56% vs 26%, P=0.002), concomitant bacteriuria (47% vs 19%, P=0.016) and persistent bacteremia (55% vs 26%, P=0.016). This last factor was associated with endocarditis, but not with other complications such as bone and joint infections.
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