Abstract
We report a case of infective endocarditis due to Neisseria sicca complicated by intracranial and popliteal aneurysms and hepatic and splenic infarcts in a patient with a bicuspid aortic valve. No predisposing factor other than poor dental condition was found. The patient fully recovered after antibiotic therapy, aortic and mitral valve replacement, endovascular occlusion of the middle-cerebral artery aneurysm, and surgical treatment of the popliteal artery aneurysm.
Highlights
The Neisseria genus includes a wide range of species, N. meningitidis and N. gonorrhoeae being the two most frequently involved in infections in humans
Other species, which are part of normal oropharyngeal flora, are often referred to as “nonpathogenic Neisseria” they may be responsible for serious conditions such as endocarditis, meningitis, osteomyelitis, vertebral osteomyelitis, and pneumonia
We report the case of a patient with Neisseria sicca endocarditis, complicated with mycotic aneurysms of the middle cerebral and popliteal arteries
Summary
The Neisseria genus includes a wide range of species, N. meningitidis and N. gonorrhoeae being the two most frequently involved in infections in humans. Other species, which are part of normal oropharyngeal flora, are often referred to as “nonpathogenic Neisseria” they may be responsible for serious conditions such as endocarditis, meningitis, osteomyelitis, vertebral osteomyelitis, and pneumonia. We report the case of a patient with Neisseria sicca endocarditis, complicated with mycotic aneurysms of the middle cerebral and popliteal arteries
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