Journal
EUROPEAN JOURNAL OF TRAUMA AND EMERGENCY SURGERY
Volume 48, Issue 2, Pages 933-942Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00068-020-01508-9
Keywords
Acute-on-chronic subdural hematoma; Seizure; Status epilepticus; Outcome
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Funding
- Projekt DEAL
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Patients with acute-on-chronic subdural hematoma (acSDH) have a high incidence of acute symptomatic seizures (ASz), which is associated with unfavorable outcomes and high mortality. Prophylactic treatment with antiepileptic drugs should be considered for this specific cohort of patients.
Purpose Acute-on-chronic subdural hematoma (acSDH) describes acute bleeding into a chronic subdural hematoma (SDH), after surgery or second trauma. Because seizures are a well-known complication of SDH, associated with substantial morbidity and mortality, we aimed to analyze the incidence of acute symptomatic seizures (ASz), including status epilepticus, and determine the functional outcomes in this specific cohort of patients. Methods A retrospective analysis was performed, including patients with acSDH who were admitted to our department between 2010 and 2019. The incidence and timely onset of ASz and status epilepticus were evaluated. Functional outcomes at discharge and at 3-6 month follow-up were analyzed based on the modified Rankin scale. Results Of 506 patients with chronic SDH, 29 patients (5.7%) were diagnosed with acSDH. The overall incidence of ASz and status epilepticus were 72.4% and 10.3%, respectively. Favorable outcomes were identified in 11 patients (52.4%) in the ASz group compared with 6 patients (75%) in the non-ASz group. The mortality rate was higher in the ASz group compared with that in the control group (29% vs 0%). At follow-up, favorable outcomes were similar to those observed at discharge (52.4% in the ASz group and 71.4% in the control group). The mortality rate was still higher in the ASz group, at 32% compared with 14% for the control group. Conclusion AcSDH has a high risk for ASz, including status epilepticus, and is associated with unfavorable outcomes and high mortality. Thus, prophylactic treatment with antiepileptic drugs should be considered among this specific cohort of patients.
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