Abiotrophia defectiva causing infective endocarditis with brain infarction and subarachnoid hemorrhage: a case report

A rare pathogen of Infective Endocarditis (IE), the , has been known to trigger life-threatening complications. The case discussed here is of a teenager with brain infarction and subarachnoid hemorrhage caused by IE due to . A 15-year-old girl with movement disorders involving the left limbs and int...

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Bibliographic Details
Published in:Frontiers in medicine 2023-05, Vol.10, p.1117474
Main Authors: Yang, Miaojuan, Lin, Yanxia, Peng, Xin, Wu, Jingsong, Hu, Bo, He, Yitao, Lu, Jian
Format: Article
Language:English
Subjects:
Abiotrophia defectiva
brain infarction
infective endocarditis
Medicine
microbial mass spectrometry
subarachnoid hemorrhage
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Summary:A rare pathogen of Infective Endocarditis (IE), the , has been known to trigger life-threatening complications. The case discussed here is of a teenager with brain infarction and subarachnoid hemorrhage caused by IE due to . A 15-year-old girl with movement disorders involving the left limbs and intermittent fevers was admitted to the hospital. A head CT scan revealed cerebral infarction in the right basal ganglia and subarachnoid hemorrhage. Moreover, vegetation on the mitral valve were confirmed by echocardiography. The blood cultures were found to be positive for Gram-positive streptococcus and identified by Vitek mass spectrometry as . She was prescribed vancomycin antibacterial therapy and underwent a surgical mitral valve replacement. This case is suggestive of the fact that is a rare but crucial pathogen of IE-associated stroke. Obtaining early blood cultures and using microbial mass spectrometry could help achieve an accurate diagnosis. Moreover, reasonable anti-infective medications and surgical interventions need to be combined to avoid and/or manage severe complications.
ISSN:2296-858X
2296-858X
DOI:10.3389/fmed.2023.1117474