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Revista médica de Chile
versión impresa ISSN 0034-9887
HERMIDA AMEIJEIRAS, Álvaro; LOPEZ RODRIGUEZ, Raimundo; RODRIGUEZ FRAMIL, Montserrat y LADO LADO, Francisco. Infective endocarditis in an internal medicine ward. Rev. méd. Chile [online]. 2007, vol.135, n.1, pp.11-16. ISSN 0034-9887. http://dx.doi.org/10.4067/S0034-98872007000100002.
Background: Due to the increasing number of intravenous drug users, subjects with immune deficiencies or with prosthetic valves, infective endocarditis (IE) continues to be prevalent and to have a high mortality. Aim: To review all cases of infective endocarditis diagnosed in an Internal Medicine Service. Material and methods: Retrospective review of medical records of all patients with infective endocarditis, hospitalized in an Internal Medicine ward, between 1989 and 2003. Dukes criteria were used to define definitive, possible and less probable cases of IE. Results: Eighty seven patients with definite IE were identified (66 males, age range 19-84 years), with a mean incidence of 5.3 per 1000 hospitalizations. IE in intravenous drugs users was usually caused by Staphylococcus aureus and presented high risk of embolism (RR: 3,21). Subjects aged over 70 years had a relative risk of mortality of 5.5. Hospital acquired IE was associated with advanced age and IV catheters appeared as the only predisposing factor. Patients with prosthetic valves were also older, their main complication was abscess formation and their mortality was higher. Conclusions: A closer approach to differential conditions of patients, according to age, intravenous drug use or the presence of prosthetic valves, is necessary
Palabras clave : Endocarditis, bacterial; Substance abuse, intravenous; Thromboembolism.