• F Delahaye, V Goulet, F Lacassin, R Ecochard, C Selton-Suty, B Hoen, J Etienne, S Briançon, and C Leport.
• Hôpital Louis Pradel, Lyon, France.
• Eur. Heart J. 1995 Mar 1; 16 (3): 394-401.

ObjectiveTo update data on incidence and characteristics of infective endocarditis in France.BackgroundNumerous studies have shown that the incidence and course of infective endocarditis remain stable in spite of advances in treatment and of prophylactic recommendations.MethodsA survey of all consecutive cases of infective endocarditis was conducted over 12 months in all the institutions of three French regions.ResultsData were collected from 415 cases of definite (32%), probable (53%), and possible (15%) infective endocarditis. The adjusted annual incidence was 24.3 cases per million inhabitants. Thirty-four percent of the patients had no previously known heart disease, 33% had native valve disease, 22% had a prosthetic valve, and 11% had miscellaneous underlying conditions. Infective endocarditis was located solely on the mitral valve in 39%, solely on the aortic valve in 36%, and on the tricuspid valve in 6%. Echocardiography showed a vegetation on the mitral valve in 39%, on the aortic valve in 29%, and on the tricuspid valve in 8%. The causal microorganism was identified in 92%; it was a Streptococcus in 58%, and a Staphylococcus in 23%. Twenty patients were intravenous drug users, and 45 had had a medical or a surgical procedure, which might be associated with the occurrence of infective endocarditis. During the first 2 months after admission, 24% of the patients underwent surgery, and 17% of all patients died.ConclusionsDespite medical and surgical advances, infective endocarditis remains frequent and severe in France.

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