Simple axial CT may identify chronic subdural hematoma patients who benefit most from MMA embolization

In patients with chronic subdural hematoma, measuring midline shift and hematoma thickness on pre-procedural CT independently predicted failure of middle meningeal artery embolization, potentially guiding patient selection better than clinical factors alone.

• Single-center retrospective analysis of chronic subdural hematoma patients treated with MMA embolization; exact sample size and effect sizes not reported in source.
• Greater midline shift and larger hematoma thickness on baseline CT were associated with higher odds of embolization failure.
• Key limitation: retrospective design at a single institution without external validation; causal inference is limited.

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