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Cerebral ischemia caused by Streptococcus bovis aortic endocarditis: case report

Leopoldo Santos-Neto1, Camila Gangoni, Viviane Pereira

  • 1Hospital Universitário de Brasília, Universidade de Brasília, Brasília, DF, Brazil. leoneto@uninet.com.br

Insights

This case highlights rare cerebral ischemia from Streptococcus bovis endocarditis. Hemianopsia preceded diagnosis, emphasizing the need for early recognition of this serious complication.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Cardiology

Background:

  • Infective endocarditis caused by Streptococcus bovis is uncommon.
  • Cerebral ischemic events are rare complications of S. bovis endocarditis.

Observation:

  • A 50-year-old man presented with frontal, parietal, and occipital lobe cerebral ischemia.
  • Hemianopsia was the initial symptom, preceding the diagnosis of S. bovis endocarditis.
  • Clinical presentation initially suggested systemic vasculitis.

Findings:

  • Vegetating lesions were identified on the aortic valve.
  • Blood cultures confirmed the presence of Streptococcus bovis.
  • Antibiotic therapy and aortic valve replacement successfully treated the infection and prevented further thromboembolic events.

Implications:

  • This case expands the understanding of rare neurological manifestations of S. bovis endocarditis.
  • Early recognition of symptoms like hemianopsia is crucial for timely diagnosis and management.
  • The absence of mucosal lesions in this case suggests alternative, yet to be identified, portals of entry for S. bovis.

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