Surgical Treatment of Active Infective Endocarditis: Determinants of Early Outcome:Determinants of Early Outcome

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概要

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• The purpose of this study was to review our experience in the treatment of active endocarditis and identify determinants of early outcome. Sixty-nine patients (mean age 47.3 years, range 5 months to 88 years) underwent surgery for active endocarditis. Native valve endocarditis was present in 59 (85.5%) and prosthetic valve endocarditis in 10 (14.9%). The aortic valve was infected in 26 (37.7%), the mitral valve in 24 (34.8%), both aortic and mitral valves in 13 (18.8%), and the tricuspid in 3 (4.3%). Paravalvular abscess was identified in 22 (31.9%). Streptococci (27.5%) and Staphylococci (23.3%) were the most common pathogens, but the pathogen was not identified in 36.2%. Hospital death occurred in 13 (18.8%), and causes of deaths included cardiac failure in 6 and sepsis in 5. There were 2 late deaths, and the causes of death were cerebral infarction and renal dysfunction. Univariate analysis indicated that older age (p=0.02), New York Heart Association class III or IV (p=0.02), a preoperatively unidentified pathogen (p=0.02) and concomitant operation for abscess and fistula (p=0.04) were significant risk factors in hospital mortality. Prosthetic valve infection was a relative risk factor in hospita mortality (p=0.11). Multivariate analysis revealed that NYHA III-IV(p=0.02, odds ratio=18.1, 95% CI=1.49-220.1) and a preoperatively unidentified pathogen (p=0.02, odds ratio=7.45, 95% CI=1.44-38.5) were independent predictors of hospital mortality. To reduce hospital mortality in active endocarditis, early surgical intervention is recommended before the involvement of heart failure, particularly when the pathogen is not identified.

• 特定非営利活動法人 日本心臓血管外科学会の論文

特定非営利活動法人 日本心臓血管外科学会 | 論文

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