ArticleAJNR. American journal of neuroradiology2025
Characterizing Liquid Embolic Distribution and Its Impact on Chronic Subdural Hematoma Outcomes following Middle Meningeal Artery Embolization.
Article in AJNR. American journal of neuroradiology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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1 citing paper in PubMed.
- Clinical and Radiographic Course Following Middle Meningeal Artery Embolization for Chronic Subdural Hematoma.Journal of neuroendovascular therapy · 2026Review
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9 authors.
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Abstract
background and purposeThe NCCT appearance of liquid embolic material post middle meningeal artery embolization (MMAE) for chronic subdural hematomas (cSDHs) is poorly described. We aimed to categorize the spectrum of postprocedural liquid embolic distribution and determine whether embolic penetration impacts resorption. MATERIALS AND
methodsWe retrospectively reviewed patients with cSDH >5 mm at a single institution from 2019-2024. Patients with <1 month of follow-up imaging or embolization with coils or particles were excluded. Embolic membrane penetration during angiography was recorded, and the postprocedural appearance of embolic material was classified. Regression analyses were performed to assess if specific embolic distributions were associated with greater resorption.
resultsEighty-eight patients (73.9% men; mean age 73.5 ± 11.2 years) with 109 unilateral cSDHs were included. Membrane penetration occurred in 39 cases (35.8%). On follow-up NCCT, liquid embolic material was visualized on the outer surface of the cSDH in 85 cases (78.0%), within the cSDH in 16 cases (14.7%), and on the inner surface of the cSDH in 8 cases (7.3%).
conclusionsWe present a framework for characterizing the appearance of liquid embolic agents after MMAE. Visualized membrane penetration during angiography was associated with greater and faster cSDH resorption and higher odds of complete resolution.
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