• Neurosurg Focus · Nov 2017

    Review

    A systematic review of perioperative seizure prophylaxis during brain tumor resection: the case for a multicenter randomized clinical trial.

    • Vyshak Chandra, Andrew K Rock, Charles Opalak, Joel M Stary, Adam P Sima, Matthew Carr, Rafael A Vega, and William C Broaddus.
    • Department of Neurosurgery, Virginia Commonwealth University Health System, Medical College of Virginia; and.
    • Neurosurg Focus. 2017 Nov 1; 43 (5): E18.

    AbstractOBJECTIVE The majority of neurosurgeons administer antiepileptic drugs (AEDs) prophylactically for supratentorial tumor resection without clear evidence to support this practice. The putative benefit of perioperative seizure prophylaxis must be weighed against the risks of adverse effects and drug interactions in patients without a history of seizures. Consequently, the authors conducted a systematic review of prospective randomized controlled trials (RCTs) that have evaluated the efficacy of perioperative seizure prophylaxis among patients without a history of seizures. METHODS Five databases (PubMed/MEDLINE, Cochrane Central Register of Controlled Trials, CINAHL/Academic Search Complete, Web of Science, and ScienceDirect) were searched for RCTs published before May 2017 and investigating perioperative seizure prophylaxis in brain tumor resection. Of the 496 unique research articles identified, 4 were selected for inclusion in this review. RESULTS This systematic review revealed a weighted average seizure rate of 10.65% for the control groups. There was no significant difference in seizure rates among the groups that received seizure prophylaxis and those that did not. Further, this expected incidence of new-onset postoperative seizures would require a total of 1258 patients to enroll in a RCT, as determined by a Farrington-Manning noninferiority test performed at the 0.05 level using a noninferiority difference of 5%. CONCLUSIONS According to a systematic review of major RCTs, the administration of prophylactic AEDs after brain tumor resection shows no significant reduction in the incidence of seizures compared with that in controls. A large multicenter randomized clinical trial would be required to assess whether perioperative seizure prophylaxis provides benefit for patients undergoing brain tumor resection.

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