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Midterm Follow-Up of Patients with Middle Meningeal Artery Embolization in Intractable Chronic Subdural Hematoma

A subset of patients with chronic subdural hematoma (CSDH) remains refractory to standard treatment with hematoma drainage by burr-hole craniotomy and irrigation. We recently reported the usefulness of middle meningeal artery (MMA) embolization for intractable CSDH in patients with multiple intracta...

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Published in:World neurosurgery 2019-06, Vol.126, p.e671-e678
Main Authors: Okuma, Yu, Hirotsune, Nobuyuki, Sato, Yu, Tanabe, Tomoyuki, Muraoka, Kenichiro, Nishino, Shigeki
Format: Article
Language:English
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Summary:A subset of patients with chronic subdural hematoma (CSDH) remains refractory to standard treatment with hematoma drainage by burr-hole craniotomy and irrigation. We recently reported the usefulness of middle meningeal artery (MMA) embolization for intractable CSDH in patients with multiple intractable risk factors. We present the midterm outcomes of MMA embolization in patients with intractable CSDHs. Seventeen consecutive patients (average age, 76.4 years; 12 men [71%]) underwent MMA embolization of CSDH from January 2014 to July 2017. Earlier interventions included embolization using N-butyl-2-cyanoacrylate (although trisacryl gelatin microspheres were used in recent cases), followed by burr-hole craniotomy and irrigation in all cases. None of the patients experienced perioperative complications or postoperative recurrence. The modified Rankin Scale scores, which were unfavorable at admission, improved significantly at discharge but were comparable to those at the time of hospitalization when measured during the follow-up period. Although the patients required rehospitalization at other departments for unrelated causes, none required rehospitalization in our department. Despite the known unfavorable outcomes of patients with intractable CSDHs, MMA embolization was not associated with recurrent CSDH or rehospitalization in our department in the current case series. MMA embolization should be considered a preferred therapeutic option for intractable CSDHs.
ISSN:1878-8750
1878-8769
DOI:10.1016/j.wneu.2019.02.121