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Mitral valve replacement in a 15-month-old infant with infective endocarditis

Division of Cardiovascular Surgery, National Center for Child Health and Development, Tokyo, Japan

^* Corresponding author. 10-1 Ohkura 2-chome, Setagaya-ku, Tokyo 157-8535, Japan. Tel.: +81-3-3416-0181; fax: +81-3-3416-2222
saito-a{at}ncchd.go.jp

This report describes a 15-month-old child without particular heart problems, presenting prolonged high-grade fever, an impaired level of consciousness, right hemiparesis and cutaneous lesion on admission. Medication was started according to the initial diagnosis of bacterial or viral meningitis, however, congestive heart failure was suddenly observed 15 days after the admission. Echocardiography revealed a mass in the right atrium, and mitral valve regurgitation due to the irregularly thickened and aneurysmal anterior leaflet with a perforation, consistent with infective endocarditis. Mitral valve replacement with a mechanical prosthesis was performed and the postoperative course was uneventful.

Key Words: Infective endocarditis; Children; Culture-negative endocarditis