Abstract
Central nervous system (CNS) infections are a frequently underappreciated potential
etiology of cerebrovascular disease. Highlighted in this review are a selection of
infectious agents that lead to cerebrovascular complications through various mechanisms
including multifocal vasculopathy, focal infiltrative vasculitis and vasospasm, and
direct vessel wall invasion and thrombus formation. Diagnosis of stroke due to underlying
CNS infection requires a high index of clinical suspicion and careful consideration
of neuroimaging, serum, and cerebrospinal fluid studies in addition to a detailed
history and neurologic examination. Prompt and targeted treatment is essential in
these conditions, which frequently herald a poor prognosis. Specifically, cerebrovascular
complications associated with varicella zoster virus, syphilis, tuberculosis, aspergillosis,
and acute bacterial meningitis are addressed here in detail.
Keywords
stroke - infection - vasculitis - vasculopathy