High end-of-life incidence of seizures and status epilepticus in patients with primary and secondary brain tumors

Author:

Brauchitsch Sophie vonORCID,Strzelczyk AdamORCID,Rosenow FelixORCID,Neuhaus ElisabethORCID,Dubinski Daniel,Steinbach Joachim P.,Voss MartinORCID

Abstract

Abstract Purpose Seizures pose a significant burden in patients with primary and secondary brain tumors during the end-of-life period. A wide range of 6 to 56% of clinically observed epileptic seizures at the end of life has been reported. We aimed to analyse the incidence of epileptic seizures at the end of life in brain tumor patients more accurately using not only clinical but also electrophysiological findings. Methods This retrospective, single center study included brain tumor patients who died during the stay on the ward or within 7 days after discharge between 01/2015 and 08/2020. Clinical observation of seizures derived from the original medical records and EEG findings (within 45 days prior to death) were analyzed to determine the incidence of seizures in that period. Results Of the 68 eligible patients, 50 patients (73.5%) suffered from seizures within 45 days prior to death, of which n = 24 had a status epilepticus. The diagnosis of seizures/ status epilepticus was determined either by the presentation of clinical signs in 45 patients and if not, by the detection of a (possible) non-convulsive status epilepticus in the EEG of five patients. Conclusion In the presence of neurologically trained staff and with the frequent use of routine EEG, we were able to identify seizures and to distinguish status epilepticus from encephalopathy/ hypoactive delirium. We detected a higher incidence of seizures and status epilepticus at the end of life in neurooncological patients than previously reported.

Funder

Johann Wolfgang Goethe-Universität, Frankfurt am Main

Publisher

Springer Science and Business Media LLC

Subject

Cancer Research,Neurology (clinical),Neurology,Oncology

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