New onset status epilepticus in older patients: clinical characteristics and outcome

Malter, M. P.; Fink, G. R.; Burghaus, L.; Dohmen, C.; Kaluschke, T.; Nass, R. D.

doi:10.1016/j.seizure.2017.08.006

Journal Article

FZJ-2017-06081

New onset status epilepticus in older patients: clinical characteristics and outcome

Malter, M. P. (Corresponding author) ; Nass, R. D. ; Kaluschke, T. ; Fink, G. R.FZJ* ; Burghaus, L. ; Dohmen, C.

2017
Elsevier Oxford [u.a.]

Seizure 51( ), 114-120 (2017) [10.1016/j.seizure.2017.08.006]

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Please use a persistent id in citations: doi:10.1016/j.seizure.2017.08.006

Abstract: PurposeWe here evaluated (1) the differential characteristics of status epilepticus (SE) in older (≥60 years) compared to younger adults (18–59 years). In particular, we were interested in (2) the proportion and characteristics of new onset SE in patients with no history of epilepsy (NOSE) in older compared to younger adults, and (3) predictive parameters for clinical outcome in older subjects with NOSE.MethodsWe performed a monocentric retrospective analysis of all adult patients (≥18 years) admitted with SE to our tertiary care centre over a period of 10 years (2006–2015) to evaluate clinical characteristics and short-time outcome at discharge.ResultsOne-hundred-thirty-five patients with SE were included in the study. Mean age at onset was 64 years (range 21–90), eighty-seven of the patients (64%) were older than 60 years. In 76 patients (56%), SE occurred as NOSE, sixty-seven percent of them were aged ≥60 years. There was no age-dependent predominance for NOSE. NOSE was not a relevant outcome predictor, especially regarding age-related subgroups. Older patients with NOSE had less frequently general tonic clonic SE (GTCSE; p = 0.001) and were more often female (p = 0.01). Regarding outcome parameters and risk factors in older patients with NOSE, unfavourable outcome was associated with infections during in-hospital treatment (0.04), extended stay in ICU (p = 0.001), and generally in hospital (p < 0.001).ConclusionIn our cohort, older patients represented the predominant subgroup in patients with SE. Older patients suffered more often from non-convulsive semiology and had a less favourable short-time outcome. NOSE was not a predictive outcome parameter in older patients. Data suggest that avoiding infections should have a priority because higher infection rates were associated with unfavourable outcome.

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