Epilepsy & behavior : E&B · 2021
Predictors of outcome in super refractory status epilepticus.
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Jose Jithu, Keni Ravish R, Hassan Haseeb, Menon Ramshekhar, Sukumaran Sajith, Cherian Ajith, Radhakrishnan Ashalatha
Аннотация
PURPOSE: We conducted this study to determine the clinical, electrophysiological and radiological predictors of outcome in Super Refractory Status Epilepticus (SRSE).
METHODS: Data of patients treated for SRSE between January 2000 and November 2019, archived prospectively in our SE registry were analyzed. Functional outcome was measured by Glasgow outcome score (GOS) at the time of hospital discharge and was divided into: good i.e. GOS ≥ 3 and bad outcome i.e. GOS < 3. The predictors of outcome were determined using appropriate statistical tests by univariate and multivariate analysis, p < 0.05 was considered as statistically significant.
RESULTS: Of the 384 patients with status epilepticus (SE) identified during the study, 28 (8%) were diagnosed as SRSE and were included in the final analysis. Acute symptomatic SE comprising 15 (53.6%) patients was the most common etiology of SRSE. Thirteen patients (three patients with viral encephalitis and 10 patients with clinically possible autoimmune encephalitis) had New Onset Refractory Status Epilepticus (NORSE) like clinical presentation.12 patients (42.9%) had good outcome and 16 patients (57.1%) had bad outcome. Multivariate logistic regression analysis showed that independent predictors of poor outcome were: duration of ICU stay (p < 0.001); EEG findings such as non-convulsive SE in coma (0.032), spontaneous burst suppression (0.001) and postictal diffuse attenuation (<0.001); delay in starting anesthesia (0.002); and delay in starting immunotherapy in NORSE due to autoimmune encephalitis (0.002).
CONCLUSION: We could determine independent therapeutic and electrophysiological prognostic factors for SRSE. Early initiation of treatment and stringent management of these factors especially in an younger age-group, aided by continuous EEG monitoring and a thorough etiological work-up can result in good outcomes in more than one-third of cases.
METHODS: Data of patients treated for SRSE between January 2000 and November 2019, archived prospectively in our SE registry were analyzed. Functional outcome was measured by Glasgow outcome score (GOS) at the time of hospital discharge and was divided into: good i.e. GOS ≥ 3 and bad outcome i.e. GOS < 3. The predictors of outcome were determined using appropriate statistical tests by univariate and multivariate analysis, p < 0.05 was considered as statistically significant.
RESULTS: Of the 384 patients with status epilepticus (SE) identified during the study, 28 (8%) were diagnosed as SRSE and were included in the final analysis. Acute symptomatic SE comprising 15 (53.6%) patients was the most common etiology of SRSE. Thirteen patients (three patients with viral encephalitis and 10 patients with clinically possible autoimmune encephalitis) had New Onset Refractory Status Epilepticus (NORSE) like clinical presentation.12 patients (42.9%) had good outcome and 16 patients (57.1%) had bad outcome. Multivariate logistic regression analysis showed that independent predictors of poor outcome were: duration of ICU stay (p < 0.001); EEG findings such as non-convulsive SE in coma (0.032), spontaneous burst suppression (0.001) and postictal diffuse attenuation (<0.001); delay in starting anesthesia (0.002); and delay in starting immunotherapy in NORSE due to autoimmune encephalitis (0.002).
CONCLUSION: We could determine independent therapeutic and electrophysiological prognostic factors for SRSE. Early initiation of treatment and stringent management of these factors especially in an younger age-group, aided by continuous EEG monitoring and a thorough etiological work-up can result in good outcomes in more than one-third of cases.