Abstract
ObjectiveTo investigate the initial treatment of patients with convulsive status epilepticus (CSE) in a resource-limited region of China, and to discuss the difference of in-hospital outcomes and economic costs between those with guideline-recommended initial treatment and those without. MethodsIn this retrospective study, we screened adult patients discharged with the diagnosis of CSE in four centers in west China. Individuals with different exposure to the initial drug were divided into benzodiazepine (BDZ) and non-BDZ group for outcome comparison. The primary outcomes were seizure control, and the ratio of patients who developed refractory SE. The secondary outcomes included in-hospital mortality, the modified Rankin Scale (mRS) score at discharge, in-hospital respiratory support rate, length, and cost of the stay. ResultsThree-hundred and thirteen patients (127, 40.6% were women) with CSE were included. The median age was 43 (range 16–92). There were 152 (48.6%) patients initially treated with BDZ. Among the 36 who received midazolam as initial treatment, twenty-six received an insufficient dose. The other 116 (76.3%) patients in the BDZ group chose diazepam as initial treatment. Fifteen of them (12.9%) were treated underdose. In the non-BDZ group (161, 51.4%), antiseizure medications (ASMs) and/or coma-induced drugs were used as initial treatment. Among those initially administrated ASMs, intramuscular phenobarbital (38,37.6%) and valproate (46, 52.3%) were most frequently seen. There was a significant difference in the time latency to initial treatment and etiology between BDZ and non-BDZ group. The non-BDZ group reported a higher cessation rate after initial treatment compared to the BDZ group (P = 0.012). No significant difference in other primary and secondary outcomes. SignificanceNon-adherence and underdosing of the initial treatment of SE were common in China. However, the non-BDZ group showed a better seizure control rate. The effect came from early aggressive medication, that is, the combination of ASMs and anesthesia. Non-BDZ group was not inferior to BDZs in terms of seizure control, the occurrence of in-hospital death, and poor outcome at discharge. More robust evidence is needed in developing settings when choosing the initial treatment.
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