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Cerebral mycotic aneurysms secondary to Streptococcus Agalactiae induced infective endocarditis

Fardad T Afshari1, Kumayl Al-Lawati2, Swarupsinh Chavda3

  • 1Department of Neurosurgery, Queen Elizabeth Hospital, Birmingham, UK.

British Journal of Neurosurgery
|November 30, 2017
PubMed

Insights

This study presents a rare case of a cerebral mycotic aneurysm caused by Streptococcus agalactiae, a bacterium not previously linked to this condition. This finding expands the understanding of infectious intracranial aneurysms and their potential causes.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Cardiology

Background:

  • Cerebral mycotic aneurysms are uncommon but life-threatening complications of infections, often leading to subarachnoid or intraparenchymal hemorrhage.
  • Streptococcus agalactiae is a known cause of endocarditis, but its role in forming intracranial mycotic aneurysms has not been previously documented.

Observation:

  • This report details a unique case of an intracranial mycotic aneurysm.
  • The aneurysm was induced by Streptococcus agalactiae, identified as the causative organism.

Findings:

  • The case highlights Streptococcus agalactiae as a novel pathogen responsible for inducing cerebral mycotic aneurysms.
  • This represents the first reported instance of this specific bacterial species causing such a condition.

Implications:

  • This case broadens the spectrum of pathogens associated with cerebral mycotic aneurysms.
  • It underscores the importance of considering Streptococcus agalactiae in the differential diagnosis of infectious intracranial aneurysms, particularly in patients with endocarditis.
Keywords:
Cerebral mycotic aneurysmsStreptococcus agalactiaeendocarditissubarachnoid haemorrhage

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