Journal
JOURNAL OF CLINICAL NEUROSCIENCE
Volume 50, Issue -, Pages 7-15Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jocn.2018.01.050
Keywords
Chronic subdural hematoma; Management; Outcomes; Prognosis; Recurrence; Subdural drains; Surgery
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Chronic subdural hematomas are encapsulated blood collections within the dural border cells with characteristic outer neomembranes. Affected patients are more often male and typically above the age of 70. Imaging shows crescentic layering of fluid in the subdural space on a non-contrast computed tomography (CT) scan, best appreciated on sagittal or coronal reformats. Initial medical management involves reversing anticoagulanti/antiplatelet therapies, and often initiation of anti-epileptic drugs (AEDs). Operative interventions, such as twist-drill craniostomy (TDC), burr-hole craniostomy (BHC), and craniotomy are indicated if imaging implies compression (maximum fluid collection thickness > 1 cm) or the patient is symptomatic. The effectiveness of various surgical techniques remains poorly characterized, with sparse level 1 evidence, variable outcome measures, and various surgical techniques. Postoperatively, subdural drains can decrease recurrence and sequential compression devices can decrease embolic complications, while measures such as early mobilization and re-initiation of anticoagulation need further study. Non-operative management, including steroid therapy, etizolam, tranexamic acid, and angiotensin converting enzyme inhibitors (ACEI) also remain poorly studied. Recurrent hemorrhages are a major complication affecting around 10-20% of patients, and therefore close follow-up is essential. (C) 2018 Elsevier Ltd. All rights reserved.
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