The Outcome of Status Epilepticus and Long-Term Follow-Up

Horváth, László and Fekete, István and Molnar, Mark and Válóczy, Réka and Márton, Sándor József and Fekete, Klára (2019) The Outcome of Status Epilepticus and Long-Term Follow-Up. FRONTIERS IN NEUROLOGY, 10. No.-429. ISSN 1664-2295

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Abstract

Objective: This study was to investigate the outcome of status epilepticus (SE) associated with antiepileptic therapy during SE and in follow-up period, risk factors including age, co-morbidities, pre-existing epilepsy, and etiology in the East-Hungarian region.Methods: A prospective cross-sectional database was compiled from outpatient files between 2013 and 2017. Follow-up ended on 30.06.2018.Results: One hundred and thirty five episodes (male: 68, 50.4%) were evaluated, mean age and follow-up time being 64.1 +/- 13.9 years and 39.9 +/- 14.2 months, respectively. Of the 89 patients with pre-existing epilepsy, 34 failed to visit the outpatient unit regularly. Case fatality rate was 25.2% and 31 patients (30.7%) died after discharge due to co-morbidities; their mean survival time was 10.44 +/- 8 months. Focal, generalized and combined type epilepsies were diagnosed in 67 patients (49.6%), 47 patients (34.8%), and 21 patients (15.6%) of SE, respectively. Nine patients had non-convulsive SE (NCSE). Mean seizure-free period was 6.8 +/- 6.9 months. Patients taking carbamazepine (20.9%; OR: 0.37, 95% CI: 0.16-0.82; p = 0.018), levetiracetam (27.5%; OR: 0.51, 95% CI: 0.27-0.97; p = 0.041), or valproate (11.1%; OR: 0.18, 95% CI: 0.05-0.61; p = 0.0043) were expected to achieve seizure freedom after SE. The worst outcome was linked to advanced age, etiology, new onset status epilepticus, NCSE, and focal status epilepsy.Conclusion: This study highlights the importance of regular care and patient follow-up.

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