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Journal of Case Reports
Native Aortic Valve Endocarditis caused by Neisseria elongata in a Previously Healthy Patient
Sara Haddad1, Ralph Tayyar1, Phillip Gary1, Jerome Santoro2, Brett Gilbert2 
1Internal Medicine Department and 2Infectious Diseases Division, Lankenau Medical Center, Wynnewood, PA, United States.
Corresponding Author:
Dr Ralph Tayyar
Email: rtayyar@stanford.edu
Received: 10-DEC-2020 Accepted: 04-FEB-2021 Published Online: 25-MAR-2021
DOI: http://dx.doi.org/10.17659/01.2021.0017
Background: Neisseria elongata can behave as an opportunistic infection and can cause an array of diseases, including destructive endocarditis. Around 60% of cases of N. elongata infective endocarditis require surgical intervention. We report a case of N. elongata native aortic valve endocarditis in a previously healthy patient with no known risk factors who required valve replacement. Case Report: A 63-year-old female with no risk factors presented with fevers, headache and anorexia and was found to have Neisseria elongata endocarditis.  Transesophageal echocardiography showed a 1.5×1.5 cm vegetation on aortic valve. Patient did well after aortic valve replacement surgery and a 6-week course of ceftriaxone. Conclusion: N. elongata endocarditis should be thought off in endocarditis cases, even with no apparent risk factors and cardiothoracic surgical evaluation is imperative due to destructive nature of this disease.
Keywords : Aortic Valve, Endocarditis, Fever, Heart Valve Prosthesis, Neisseria elongata.
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