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Updated: Aug 8, 2026

Experimental Endocarditis Model of Methicillin Resistant Staphylococcus aureus (MRSA) in Rat
Published on: June 4, 2012
Pacemaker-induced Staphylococcus aureus mitral valve acute bacterial endocarditis complicated by persistent
Burke A Cunha1, Lawrence E Eisenstein, Naveed S Hamid
1Infectious Disease Division, Winthrop-University Hospital, Mineola, New York 11501, USA.
Abstract:
Continuous high-grade Staphylococcus aureus bacteremia suggests acute bacterial endocarditis (ABE), a protected focus, ie, an abscess, or a device-related infection. Daptomycin was curative of S. aureus ABE and coronary stent-related bacteremia. Prolonged high-dose daptomycin therapy (12 mg/kg per day for 41 days) is not associated with any toxicity. Persistent S. aureus bacteremia in ABE should suggest myocardial or perivalvular abscess. If intracardiac abscess can be ruled out and there is no extracardiac source of the S. aureus bacteremia, then a device-related infection should be considered.
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