Introduction. Status Epilepticus (SE) is a frequent neurologic emergency. Little research has been done in South America to evaluate the prognostic variables of mortality and disability in patients with SE. Objective. To determine the variables associated to an unfavorable outcome at hospital discharge in the patients who were treated for SE. Methods. A retrospective study was performed during the period of January 2016–June 2017. A total of 26 patients were diagnosed of SE and its different variants. The effects of clinical, radiological, and electroencephalographic features on hospital outcome according Rankin scale were evaluated  Results. Twelve (46.2%) patients had an unfavorable outcome at hospital discharge, while the mortality rate reached 23.1%. There was a predominance of males with a 76.9% of all the patients. The independent variables associated with an unfavorable outcome were the number of comorbidities (p=0.01, OR: 4.27-95%CI1.33-13.6), structural lesions on the Magnetic Resonance Image (MRI) (p=0.04, OR: 3.92-95%CI1.05-14.61) and refractory SE (p=0.01, OR: 12.52-95%CI1.85-84.44). There was also a trend for age (p=0.07 OR: 1.03-95%CI0.99-1.07). While an initial good clinical condition, according to the Glasgow Scale represent a protective factor (p=0.00 OR: 0.49-IC95% 0.29-0.84) of an unfavorable outcome. Conclusions. The unfavorable outcome was marginally associated with patient age, clinical status at the onset of SE according to the Glasgow Coma Scale, as well as brain lesions on brain MRI. Refractory SE and more than 4 comorbidities are predictors of an unfavorable outcome at hospital discharge.

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