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Bacterial intracranial aneurysms.

J G Frazee, L D Cahan, J Winter

    Journal of Neurosurgery
    |November 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Bacterial intracranial aneurysms are rare but serious. Early diagnosis via serial cerebral angiography and surgical excision significantly improve survival rates compared to antibiotic treatment alone.

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    Area of Science:

    • Neurology
    • Infectious Diseases
    • Neurosurgery

    Background:

    • Bacterial intracranial aneurysms (BIAs) are a rare but life-threatening complication of bacterial endocarditis.
    • This study reports on the treatment and outcomes of 13 patients diagnosed with BIAs.

    Observation:

    • BIAs constituted 4% of intracranial aneurysms and 3% of bacterial endocarditis cases.
    • Neurological symptoms preceded aneurysm diagnosis in all patients.
    • Alpha Streptococcus was the predominant causative organism.

    Findings:

    • High-dose antibiotics and surgery led to better outcomes.
    • No deaths occurred among the five surgically treated patients.
    • Six of eight patients treated with antibiotics alone died, highlighting a high mortality rate.

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    Implications:

    • Serial cerebral angiography is recommended for bacterial endocarditis patients with neurological changes.
    • Surgical excision of identified BIAs is crucial for improving patient survival.
    • Consideration for surgery in cases of proximal or multiple aneurysms is advised.