Journal
EUROPEAN JOURNAL OF INTERNAL MEDICINE
Volume 24, Issue 6, Pages 510-519Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ejim.2013.01.010
Keywords
Right sided endocarditis; Tricuspid native valve endocarditis; Pneumonic valve endocarditis; Endocarditis in IDU; Endocarditis and HIV
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Right-sided infective endocarditis (RSIE) accounts for 5-10% of all cases of infective endocarditis (IE), and is predominantly encountered in the injecting drug user (IDU) population, where HIV and HCV coinfections often coexist. Staphylococcus aureus is the most common pathogen. The pathogenesis of RSIE is still not well understood. RSIE usually presents as a persistent fever with respiratory symptoms whilst signs of systemic embolisation as seen in left-sided IE are notably absent. The prompt diagnosis of RSIE thus requires a high index of suspicion. Transthoracic echocardiography (TTE) can detect the majority of RSIE, whilst transoesophageal echocardiography (TOE) can increase sensitivity. Virulence of the causative organism and vegetation size are the major determinants of prognosis. Most cases of RSIE resolve with appropriate antibiotic administration. (C) 2013 European Federation of Internal Medicine. Published by Elsevier B.V. All rights reserved.
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