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  • Title: Infective endocarditis in patients receiving chronic hemodialysis: clinical features and outcome.
    Author: Ruiz M, Sánchez MP, Domínguez JC, Pineda SO, Peñas ER, Rubio MD, Ortega MD, Belsué FV.
    Journal: J Heart Valve Dis; 2005 Jan; 14(1):11-4. PubMed ID: 15700429.
    Abstract:
    BACKGROUND AND AIM OF THE STUDY: Patients undergoing chronic hemodialysis are at increased risk of infective endocarditis (IE), and mortality is high in this group. The study aim was to determine clinical features and outcome of IE in patients with chronic renal failure and receiving hemodialysis. METHODS: Between 1987 and 2002, all consecutive patients with infective endocarditis treated at the authors' institution who were not intravenous drug abusers were selected prospectively. A comparative analysis was performed of patients undergoing hemodialysis and other patients in the series. RESULTS: A total of 241 cases of IE was diagnosed, and 14 patients (6%) were receiving hemodialysis. A lower frequency of known predisposing heart disease (14% versus 74%, p <0.01) and prosthetic valve endocarditis (0% versus 35%, p <0.05) and a higher rate of negative blood cultures (21% versus 12%, p <0.05) were detected in hemodialysis patients. Early surgery was performed in 50% of patients in both groups. The frequency of complications was similar in both groups, but early (43% versus 16%, p = 0.03) and late (22% versus 9%, p <0.05) mortality were higher in hemodialysis patients. CONCLUSION: Patients with IE who are undergoing hemodialysis have a lower frequency of predisposing heart disease and higher rates of negative blood cultures. Although patient groups were similarly treated, early and late mortality was significantly higher among those receiving dialysis.
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