Prosthetic valve endocarditis due to Neisseria elongata subsp. elongata in a patient with Klinefelter's syndrome

Evans, Morgan V.; Yazdani, Farah; Malnick, Henry; Shah, Jayesh; Turner, David P. J.

doi:10.1099/jmm.0.47155-0

Cited by 13 publications

(12 citation statements)

References 17 publications

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“…However, several Neisseria species other than N. gonorrhoeae and N. meningitidis cause human infections. Neisseria elongata and Neisseria sicca have been isolated from endocarditis (3,5). Neisseria bacilliformis also causes endocarditis and various human infections (4,8,9).…”

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confidence: 99%

Prosthetic Valve Endocarditis Due to Neisseria skkuensis, a Novel Neisseria Species

et al. 2012

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eWe describe the first reported case of endocarditis due to Neisseria skkuensis. The organism from the blood cultures taken on admission day was identified initially as unidentified Gram-negative cocci by Vitek2. Finally, it was identified as Neisseria skkuensis by 16 rRNA gene sequence analysis. CASE REPORTA 41-year-old man was admitted to our hospital with a 1-week history of febrile sense, chills, sweating, aggravation of dyspnea, and hypotension during hemodialysis. He had a complicated history, including liver cirrhosis caused by chronic hepatitis B infection and chronic kidney disease due to glomerulonephritis. He had received entecavir since 2009 and hemodialysis since 2000. In addition to these, he had undergone a mechanical mitral valve replacement due to infective endocarditis caused by methicillinresistant Staphylococcus aureus more than 1 year ago. He denied having had dental treatment or drug abuse since mitral valve replacement.On arrival at the emergency department, the patient's vital signs were as follows: blood pressure, 86/52 mm Hg; respiratory rate, 22 breaths per min; and temperature, 37°C. Physical examination revealed metallic heart sounds without murmur and no abdominal tenderness with positive shifting dullness. A chest radiography showed cardiomegaly and pulmonary edema. Laboratory investigations revealed a C-reactive protein concentration of 10.0 mg/dl (normal [N], Ͻ0.3 mg/dl), an erythrocyte sedimentation rate of 37 mm/h (N, Ͻ22 mm/h), and a procalcitonin concentration of 152.2 ng/ml. The white blood cell (WBC) count was 9,850/mm 3 with dominant segmented neutrophils (85%), hemoglobin (Hb) at 7.5 g/dl, platelet count of 57,000/mm 3 , blood urea nitrogen at 49.5 mg/dl, creatinine at 6.55 mg/dl (N, Ͻ1.3 mg/dl), and total bilirubin at 1.2 mg/dl (N, Ͻ1.5 mg/dl). He was coagulopathic with a prothrombin time of 23

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confidence: 99%

Prosthetic Valve Endocarditis Due to Neisseria skkuensis, a Novel Neisseria Species

et al. 2012

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“…In contrast, reports of seven definitive cases, including the present case, excluded the presence of preceding intraoral complications (10)(11)(12)(13)(14)(15). One study evaluating dental risk factors for infective endocarditis demonstrated that only 32.1% of patients infected with dental flora received dental procedures within the previous three months of hospital admission (16), indicating that intraoral organisms often cause endocarditis, regardless of antecedent dental procedures.…”

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confidence: 65%

Native Valve Endocarditis Caused by <i>Neisseria elongata</i> Subsp. <i>nitroreducens</i>

et al. 2015

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Neisseria elongata, a normal resident in the human oral cavity, rarely causes invasive infections. We herein report a case of endocarditis caused by Neisseria elongata subsp. nitroreducens that occurred in a patient without any apparent cardiac complications. The patient received aortic valve replacement following the administration of intravenous beta-lactam for five weeks. To our knowledge, this is the first published case in Japan of N. elongata infection in a patient without a prosthetic device.

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“…However, several Neisseria species other than these two species were also reported as human pathogens [2][3][4][5][6]. In addition to these pathogens, N. skkuensis was designated as a novel species which cause foot ulcer of diabetic patient in 2010 [7].…”

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confidence: 99%

Acute Cellulitis Caused byNeisseria skkuensis

et al. 2015

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A 73-year-old man visited our hospital because of pain with swelling and redness on the right foot dorsum. He was diagnosed with liver cirrhosis and nodular hepatic cellular carcinoma. Lower extremity CT scan and MRI showed abscess formation in the right foot dorsum. Gram-negative cocci were recovered from the culture of drained pus at the site and identified as Neisseria skkuensis by 16S rRNA gene sequencing. Here, we report the first case of cellulitis due to N. skkuensis and provide a literature review.

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Prosthetic valve endocarditis due to Neisseria elongata subsp. elongata in a patient with Klinefelter's syndrome

Cited by 13 publications

References 17 publications

Prosthetic Valve Endocarditis Due to Neisseria skkuensis, a Novel Neisseria Species

Prosthetic Valve Endocarditis Due to Neisseria skkuensis, a Novel Neisseria Species

Native Valve Endocarditis Caused by <i>Neisseria elongata</i> Subsp. <i>nitroreducens</i>

Acute Cellulitis Caused byNeisseria skkuensis

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