Observational study identifies key factors associated with outcomes in pediatric hemorrhagic moyamoya disease, highlighting critical assessment for intervention.
Hemorrhagic MMD is an aggressive subtype characterized by posterior collateral vulnerability, female predominance, and older age. Admission mRS score ≥2 and AChA dilatation are key factors strongly associated with adverse outcomes. Conventional angiographic classification does not demonstrate a significant association with hemorrhage outcome; assessment of the posterior circulation is critical for stratifying patient outcomes and guiding early intervention.
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Guo et al. (2026) studied this question.
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