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[Current aspects of infectious endocarditis. Apropos of 53 cases].

Fifty-three cases of infective endocarditis are reported: 10 definite, 33 probable, 10 possible. There were: 35 males, 18 females, mean age: 66 +/- 14 years. Twenty-three patients had a known valve involvement, 21 a recently diagnosed valve involvement, 9 a prosthetic valve. Fifty patients had fever, 43 had a regurgitating murmur, 28 weakness and weight-loss, 13 cutaneous lesions, 11 arthritis, 8 splenomegaly, 3 ocular lesions. The portal of entry was suspected or confirmed in 37 cases: intestinal in 12 cases, dental in 11 cases, cutaneous in 7 cases, urinary tract infection in 6 cases, upper respiratory tract infection in 1 case. The micro-organism was found in 45 cases: 10 oral streptococci, 12 D bovis streptococci, 6 enterococci, 5 aureus staphylococci, 3 coagulase-negative staphylococci, 2 Coxiella burnetii, 7 other bacterias. Blood-cultures were negative in 8 cases. Precordial echocardiography found vegetations in 27 native valves and 9 prosthetic alterations. Ten patients had neurologic complications, 27 cardiac complications, 8 acute renal failure. Nine patients needed cardiac surgery, 6 died. Our results, compared with those in the literature, showed older age, a higher frequency of digestive portal of entry and of D bovis streptococci, frequently associated with a colic tumour.