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Clinical features of convulsive status epilepticus: a study of 220 cases in western China
Author(s) -
Chen L.,
Zhou B.,
Li J. M.,
Zhu Y.,
Wang J. H.,
Sander J. W.,
Stefan H.,
Zhou D.
Publication year - 2009
Publication title -
european journal of neurology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.881
H-Index - 124
eISSN - 1468-1331
pISSN - 1351-5101
DOI - 10.1111/j.1468-1331.2008.02404.x
Subject(s) - medicine , status epilepticus , discontinuation , epilepsy , odds ratio , logistic regression , case fatality rate , confidence interval , pediatrics , depression (economics) , epidemiology , psychiatry , economics , macroeconomics
Background and purpose: Convulsive status epilepticus (CSE) is the most common and life‐threatening form of status epilepticus (SE). The aim of this study was to describe the clinical features of CSE in western China. Methods: Convulsive status epilepticus patients hospitalized from January 1996 to October 2007 were prospectively observed. Logistic regression was used to identify predictors of prognosis. Results: The average age of CSE patients ( n = 220) was 37.5 years (SD 20.31), 50% of the patients had a history of epilepsy. The primary cause of CSE was central nervous system infection (32.7%), followed by discontinuation or reduction of antiepileptic drugs (AEDs; 15.5%). The median duration of CSE was 5 h and median duration of seizures before treatment was 2 h; both were longer in rural patients than in urban patients ( P < 0.05). The fatality rate on discharge was 15.9%. Logistic regression analysis showed the duration of CSE [odds ratio (OR) 1.05, 95% confidence interval (CI) 1.03–1.07], a history of epilepsy (OR 0.35, 95% CI 0.14–0.89), and respiratory depression (OR 5.96, 95% CI 2.49–14.24) were independent predictors of CSE prognosis. Discussion: Central nervous system infection and AEDs withdrawal in epilepsy patients were the most important causes of CSE. There is a large gap between antiepileptic therapy in China and European Status Epilepticus guidelines.