Abstract

In post stroke patients, seizures can complicate the recovery process and lead to poor outcomes. It is unclear whether antiepileptic drugs (AEDs) can prevent seizures after a stroke. To summarize the evidence on the effects of AEDs on the primary and secondary prevention of post stroke seizures. The authors searched the Cochrane Register of Studies and MEDLINE (last search on 9 March 2021), checked the reference lists of articles retrieved and contacted the corresponding authors of the study where needed. Only randomized controlled trials were included (RCT). There were no language and time limits. Two RCTs with 856 adult participants with a clinical diagnosis of stroke were included. There was moderate-certainty evidence that the AEDs were not effective for primary prevention of post stroke seizures (Relative effect, 95% CI = RR 0.65, 95% CI 0.34 to 1.26). They also did not affect the mortality rate (RR 1.03, 95% CI 0.78 to 1.36). Both studies were at low risk of bias and certainty of the evidence was low to moderate. The evidence for routine use of AED for the primary and secondary prophylaxis of post stroke seizures is unclear. There is a need for high-quality trials to address this question using a larger sample size.

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