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Prevalence of signs and symptoms in posterior circulation ischemic stroke: a systematic review and meta-analysis

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The aim is to describe the prevalence of signs and symptoms in posterior circulation ischemic stroke.
Conducted a systematic review and meta-analysis of observational studies.
Searched PubMed and EMBASE for English-written studies on PC ischemic stroke signs and symptoms.
Data extraction was performed by two independent researchers.
Assessed risk of bias and calculated pooled prevalence using random effect models.
Performed subgroup analyses based on diagnosis type and lesion location.
Included 28 studies with 3,462 patients.
Most common signs: limb weakness (48%) and dysarthria (48%).
Least frequent sign: hemianopia (15%).
Most common symptoms: vertigo/dizziness (41%) and nausea/vomiting (41%).
Cerebellar stroke: gait ataxia (70%) and vertigo (50%) were the most frequent presentations.

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Systematic review reveals symptom prevalence in posterior circulation ischemic stroke, suggesting improved diagnostics.

Sammali et al. (2026) studied this question.

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