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Case Report

Endocarditis Due to Neisseria elongata: A Case Report and Review of the Literature

by
Dima Youssef
1,*,
Tariq S. Marroush
2,
Miriam T. Levine
1 and
Mamta Sharma
1
1
Department of Internal Medicine, Division of Infectious Disease, Ascension St. John Hospital, 19251 Mack Avenue, Suite 340, Grosse Pointe Woods, Detroit, MI 48236, USA
2
Division of Cardiovascular Disease, Ascension St. John Hospital, 19251 Mack Avenue, Suite 340, Grosse Pointe Woods, Detroit, MI 48236, USA
*
Author to whom correspondence should be addressed.
GERMS 2019, 9(4), 188-192; https://doi.org/10.18683/germs.2019.1176
Submission received: 23 July 2019 / Revised: 7 August 2019 / Accepted: 10 August 2019 / Published: 2 December 2019

Abstract

Introduction: Neisseria elongata, which is part of the normal oropharyngeal bacterial flora, can be an aggressive organism causing serious infections including infective endocarditis. N. elongata infective endocarditis is rare and no current guidelines exist to direct antibiotic selection and/or duration of treatment. Case report: We report a case of infective endocarditis due to N. elongata and a review of the literature. Our patient is a healthy young woman, who was found to have an aortic root abscess with valve perforation requiring valve replacement. Discussion: N. elongata infective endocarditis typically affects the left cardiac chambers and is associated with high risk of embolization. A transesophageal echocardiogram should be performed as part of the initial workup to assess the extent of infection, as a high percentage of patients develop perivalvular abscess formation and/or valve perforation. Most patients require prolonged antibiotic therapy and early surgical intervention. Conclusions: This case demonstrates the potential severity of N. elongata endocarditis. Further studies are needed to establish management guidance.
Keywords: endocarditis; aortic valve; neisseria elongata; gram-negative bacterial infection endocarditis; aortic valve; neisseria elongata; gram-negative bacterial infection

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MDPI and ACS Style

Youssef, D.; Marroush, T.S.; Levine, M.T.; Sharma, M. Endocarditis Due to Neisseria elongata: A Case Report and Review of the Literature. GERMS 2019, 9, 188-192. https://doi.org/10.18683/germs.2019.1176

AMA Style

Youssef D, Marroush TS, Levine MT, Sharma M. Endocarditis Due to Neisseria elongata: A Case Report and Review of the Literature. GERMS. 2019; 9(4):188-192. https://doi.org/10.18683/germs.2019.1176

Chicago/Turabian Style

Youssef, Dima, Tariq S. Marroush, Miriam T. Levine, and Mamta Sharma. 2019. "Endocarditis Due to Neisseria elongata: A Case Report and Review of the Literature" GERMS 9, no. 4: 188-192. https://doi.org/10.18683/germs.2019.1176

APA Style

Youssef, D., Marroush, T. S., Levine, M. T., & Sharma, M. (2019). Endocarditis Due to Neisseria elongata: A Case Report and Review of the Literature. GERMS, 9(4), 188-192. https://doi.org/10.18683/germs.2019.1176

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