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  • Stereotactic radiosurgery f...
    Feng, E.-S.; Sui, C.-B.; Wang, T.-X.; Sun, G.-L.

    Acta neurologica Scandinavica, 12/2016, Letnik: 134, Številka: 6
    Journal Article

    Objectives Stereotactic radiosurgery (RS) is a potential option for some patients with temporal lobe epilepsy (TLE). The aim of this meta‐analysis was to determine the pooled seizure‐free rate and the time interval to seizure cessation in patients with lesions in the mesial temporal lobe, and who were eligible for either stereotactic or gamma knife RS. Materials & Methods We searched the Medline, Cochrane, EMBASE, and Google Scholar databases using combinations of the following terms: RS, stereotactic radiosurgery, gamma knife, and TLE. Results We screened 103 articles and selected 13 for inclusion in the meta‐analysis. Significant study heterogeneity was detected; however, the included studies displayed an acceptable level of quality. We show that approximately half of the patients were seizure free over a follow‐up period that ranged from 6 months to 9 years pooled estimate: 50.9% (95% confidence interval: 0.381–0.636), with an average of 14 months to seizure cessation pooled estimate: 14.08 months (95% confidence interval: 11.95–12.22 months). Nine of 13 included studies reported data for adverse events (AEs), which included visual field deficits and headache (the two most common AEs), verbal memory impairment, psychosis, psychogenic non‐epileptic seizures, and dysphasia. Patients in the individual studies experienced AEs at rates that ranged from 8%, for non‐epileptic seizures, to 85%, for headache. Conclusion Our findings indicate that RS may have similar or slightly less efficacy in some patients compared with invasive surgery. Randomized controlled trials of both treatment regimens should be undertaken to generate an evidence base for patient decision‐making.