ReviewBrain sciences2025
Post-Varicella Arteriopathy as a Cause of Pediatric Arterial Ischemic Stroke: A Systematic Review and Case Report.
Review in Brain sciences, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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4 authors.
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Abstract
BACKGROUND/
objectivesPost-varicella arteriopathy (PVA) is a significant cause of pediatric arterial ischemic stroke (AIS) that typically involves previously healthy children within 12 months of primary varicella infection, mostly with a monophasic course. Diagnosis is based on clinical and imaging findings, and cerebrospinal fluid analysis may confirm it; treatment is empirical and heterogeneous. We describe a typical case of PVA and present a systematic review of its clinical, radiological, therapeutic, and outcome features.
methodsFollowing PRISMA 2020 and AMSTAR-2 guidelines, data on demographics, clinical presentation, imaging, laboratory confirmation, treatment, and outcomes were extracted across databases (PubMed, Embase, Scopus).
resultsForty-seven studies, encompassing 312 pediatric patients, were included. Mean age was 4 years with a median latency of 3.82 months from varicella to neurologic symptoms. Common presentation included hemiparesis, language impairment, and seizures. Imaging findings showed unilateral focal involvement of anterior circulation arteries, basal ganglia infarctions, and, rarely, bilateral or posterior circulation involvement. CSF VZV-DNA PCR and anti-VZV IgG were positive in 39% and 48% of tested patients. Treatment included intravenous acyclovir (34%), corticosteroids (20%), and low-dose aspirin (77%); two patients underwent acute reperfusion therapy (rt-PA or thrombectomy). Outcomes tended to be moderately favorable: 43% achieved full recovery, 45% had residual deficit, and 11% experienced recurrence. Prothrombotic state was reported, and it may influence disease severity.
conclusionsPVA is a rare distinct cause of pediatric stroke, with a generally favorable prognosis quoad vitam. Standardized guidelines and prospective studies are needed to establish evidence-based management. Clinicians should maintain a high suspicion for its diagnosis.
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