期刊
CLINICAL NEUROPHYSIOLOGY
卷 136, 期 -, 页码 40-48出版社
ELSEVIER IRELAND LTD
DOI: 10.1016/j.clinph.2022.01.005
关键词
Seizure detection; Multi-modal; Monitoring; Wearables; Epilepsy; SVM
资金
- Innovation Denmark (IFD) [6152-00005B]
- EU-Interreg program 5A as part of the NorDigHealth project
- Health Research foundation in Region Zealand
- Frode V. Nyegaard and Hustru's foundation
- Laege Sofus Carl Emil Friis and Hustru Olga Doris Friis grant
This study explores the potential of wearable multi-modal monitoring in epilepsy and identifies effective seizure detection strategies. Automatic seizure detection using multi-modal monitoring shows improved sensitivity and reduced false alarm rates. Visual analysis of multi-modal time series data generates insights for future research on seizure detection.
Objective: To explore the possibilities of wearable multi-modal monitoring in epilepsy and to identify effective strategies for seizure-detection.Methods: Thirty patients with suspected epilepsy admitted to video electroencephalography (EEG) monitoring were equipped with a wearable multi-modal setup capable of continuous recording of electrocardiography (ECG), accelerometry (ACM) and behind-the-ear EEG. A support vector machine (SVM) algorithm was trained for cross-modal automated seizure detection. Visualizations of multi-modal time series data were used to generate ideas for seizure detection strategies.Results: Three patients had more than five seizures and were eligible for SVM classification. Classification of 47 focal tonic seizures in one patient found a sensitivity of 84% with a false alarm rate (FAR) of 8/24 h. In two patients each with nine focal nonmotor seizures it yielded a sensitivity of 100% and a FAR of 13/24 h and 5/24. Visual comparisons of features were used to identify strategies for seizure detection in future research.Conclusions: Multi-modal monitoring in epilepsy using wearables is feasible and automatic seizure detection may benefit from multiple modalities when compared to uni-modal EEG. Significance: This study is unique in exploring a combination of wearable EEG, ECG and ACM and can help inform future research on monitoring of epilepsy. (c) 2022 International Federation of Clinical Neurophysiology. Published by Elsevier B.V.
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