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  • Title: [Surgical treatment of infective endocarditis--an analysis of the risk factors for operative mortality and long-term follow-up].
    Author: Moriyama Y, Toyohira H, Koga M, Masuda H, Saigenji H, Shimokawa S, Taira A.
    Journal: Nihon Kyobu Geka Gakkai Zasshi; 1994 Mar; 42(3):354-9. PubMed ID: 8176291.
    Abstract:
    From September, 1978, through January, 1993, 67 patients (mean age: 44 years) underwent surgical treatment for infective endocarditis (IE) at Kagoshima University. Of 67 patients, 36 showed active endocarditis and 31 healed endocarditis at the time of operation. The over-all hospital mortality was 22.4% (15/67). Risk factors associated with operative mortality by univariate analysis included increased blood urea concentration (BUN), increased cardiothoratic ratio, higher New York Heart Association functional class, infection status (active/healed), aortic valve infection, prolonged aortic cross-clamp time, annular abscess, and calendar year. The patients were operated earlier in the latter part of this series (1988-1993. Multiple logistic regression analysis demonstrated three factors to be statistically significant: BUN, operative year, and aortic valve infection. Complete survival information was obtained in all 52 discharged patients with a mean follow-up time of 4.8 years. There were 5 late deaths including 3 patients with valve related complication. The actuarial survival rate at 10 years after operation excluding hospital mortality was 89%, 92% for active infection 88% for healed infection. The actuarial freedom from valve related complication was 86% at 10 years. The degree of activity of the infection is not a risk factor for operative mortality by multiple logistic regression analysis. We conclude that surgical intervention should be undertaken without delay in the patients with IE before development of hemodynamic deterioration causing renal dysfunction and hypercatabolism.
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