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Kingella kingae Endocarditis in a Child With a Prosthetic Aortic Valve and Bifurcation Graft

Am J Dis Child. 1983;137(4):403-404. doi:10.1001/archpedi.1983.02140300081025.
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Kingella kingae is an aerobic gram-negative bacillus previously classified under the genus Moraxella.1 Its habitat is uncertain. The organism has been isolated from blood, bone, and joint aspirates, pus, and nose and throat cultures.1-3 However, reported descriptions of clinical infections associated with K kingae have been few.3-7 Our review of the literature showed two previous reports of bacterial endocarditis caused by this organism.3,4

We report a third case, to date, of K kingae endocarditis and, to our knowledge, the first instance in which infection has occurred in a patient with artificial indwelling devices.

Report of a Case.—A 9-year-old girl had undergone repair of a truncus arteriosus with a bifurcation graft and had had an aortic valve replacement. She was in her usual state of health until one week before admission, when symptoms of an upper respiratory tract infection developed. On the night before admission, she


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