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 ORIGINAL ARTICLE
Year : 2013  |  Volume : 61  |  Issue : 2  |  Page : 131--137

A retrospective two-center study of antiepileptic prophylaxis in patients with surgically treated high-grade gliomas


1 Department of Neuroscience, Division of Neurosurgery, University of Turin, Turin, Italy
2 Department of Neuroscience, University of Brescia, Brescia, Italy
3 Department of Psychology, Center for Cognitive Science, University of Turin, Turin, Italy
4 Department of Drugs, Science and Technology, University of Turin, Turin, Italy
5 Division of Neurosurgery, Civil Hospital, Alessandria, Italy

Correspondence Address:
Pier Paolo Panciani
Department of Neuroscience, Division of Neurosurgery, University of Brescia, P.le Spedali Civili, 1 - 25123
Italy
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0028-3886.111118

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Background: The effectiveness of antiepileptic prophylaxis in patients with newly diagnosed high-grade glioma is debated. Craniotomy, surgical manipulation and bleeding are believed to favor the onset of seizures and, therefore, perioperative antiepileptic drugs (AEDs) are generally used. Nevertheless, evidence to initiate preoperative AED prophylaxis are weak. Aim: Aim of this paper was to evaluate the need for AED prophylaxis in surgically-treated malignant glioma patients without history of seizures. Materials and Methods: We conducted a retrospective, two-center cohort study to assess the effectiveness of preoperative AED prophylaxis. Patients were divided in two groups: one with AED preoperative administration and the other without. Because of its non-hepatic metabolism, levetiracetam (LEV) was chosen. Logistic regression models were used to investigate the odds ratio for each group. The explanatory variables included the treatment received, sex, age, and site of lesion. The outcome measure of successful LEV prophylaxis was seizure vs. no seizure post-operatively, at three and six months after surgery. Results: Our results showed that LEV prophylaxis was not a significant predictor of seizure occurrence, although the regression coefficient indicated a slight reduction in seizure risk following LEV administration. Patient's age was a significant predictor of seizure occurrence. Younger patients had a higher risk of seizure in the six months post-surgery. Conclusions: We conclude that AEDs prophylaxis does not provide a substantial benefit to surgically treated high-grade glioma patients and should not be administered routinely. Further investigations are required to detect subgroups of patients at higher risk of developing seizures in order to selectively administer AED.






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