Background: Chronic subdural haematoma is a common pathology, which can be complicated by seizures. Seizures may worsen the outcome of patients presenting with a chronic subdural haematoma. However, since the overall and postoperative incidence of seizures and their impact on patients' outcome has been diversely appreciated in the literature, the interest of routine antiepileptic prophylaxis remains a controversial question.
Methods: We retrospectively investigated 99 patients who were surgically treated for a chronic subdural haematoma in two French academic hospitals: 48 patients received antiepileptic prophylaxis (group A) and were compared with a group of 51 patients who did not receive any antiepileptic prophylaxis (group B). Incidence of perioperative seizures was determined, and potential risk factors for epilepsy were analysed.
Results: Overall postoperative seizure incidence was 5.1%. There was a slight trend towards a lower incidence of seizures in patients who had received antiepileptic prophylaxis, but no significant difference was found between the two groups (4.2% in group A versus 5.9% in group B, P=0.697). Seizures were not correlated with increased death. No risk factor for seizures was identified.
Conclusions: Our retrospective data showed there is no benefit of perioperative antiepileptic prophylaxis in patients surgically treated for chronic subdural haematoma. Since other authors have shown conflicting results, sufficiently powered prospective randomized study should be conducted in order to confirm these results.
Keywords: Antiepileptic prophylaxis; Chirurgie; Chronic subdural haematoma; Crises d’épilepsie; Devenir; Epilepsy; Hématome sous-dural chronique; Outcome; Prophylaxie antiépileptique; Seizures; Surgery; Épilepsie.
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