einstein (São Paulo). 17/dez/2025;24:eCE2043.
Middle meningeal artery embolization: an emerging treatment for non-acute subdural hematomas
DOI: 10.31744/einstein_journal/2026CE2043
Dear Editor,
Subdural hematoma (SDH) is a type of intracranial hemorrhage that is characterized by the accumulation of blood in the subdural space.( 1 ) Although numerous conditions, such as coagulopathy, neoplasms, vascular malformations, aneurysms, and alcohol and cocaine use can lead to SDH, acute SDH is more often caused by head trauma.( 1 ) An acute SDH may resolve by reabsorption or, alternatively, it can progress to chronic SDH, generally by encapsulation and a complex process involving inflammation, angiogenesis, and fibrinolysis.( 2 , 3 ) The incidence of chronic SDH is reportedly increasing, probably due to population aging and increased use of antiplatelet and anticoagulant medication.( 2 )
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