EPILEPSIAE - A European epilepsy database

Authors:
Matthias Ihle;Hinnerk Feldwisch-Drentrup;César A. Teixeira;Adrien Witon;Björn Schelter;Jens Timmer;Andreas Schulze-Bonhage
Affiliations:
Epilepsy Center, University Hospital Freiburg, Germany and Center for Data Analysis and Modeling (FDM), University of Freiburg, Germany;Epilepsy Center, University Hospital Freiburg, Germany and Center for Data Analysis and Modeling (FDM), University of Freiburg, Germany and Bernstein Center for Computational Neuroscience, Univers ...;Centre for Informatics and Systems (CISUC), University of Coimbra, Portugal;Centre de Recherche de l'Institut du Cerveau et de la Moelle épinière (CRICM), INSERM UMRS 975 - CNRS UMR 7225-UPMC, Hôpital de la Pitié-Salpêtrière, Paris, France;Center for Data Analysis and Modeling (FDM), University of Freiburg, Germany and Department of Physics, University of Freiburg, Germany;Center for Data Analysis and Modeling (FDM), University of Freiburg, Germany and Department of Physics, University of Freiburg, Germany and Freiburg Institute for Advanced Studies, University of F ...;Epilepsy Center, University Hospital Freiburg, Germany and Bernstein Center for Computational Neuroscience, University of Freiburg, Germany
Venue:
Computer Methods and Programs in Biomedicine
Year:
2012

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Abstract

With a worldwide prevalence of about 1%, epilepsy is one of the most common serious brain diseases with profound physical, psychological and, social consequences. Characteristic symptoms are seizures caused by abnormally synchronized neuronal activity that can lead to temporary impairments of motor functions, perception, speech, memory or, consciousness. The possibility to predict the occurrence of epileptic seizures by monitoring the electroencephalographic activity (EEG) is considered one of the most promising options to establish new therapeutic strategies for the considerable fraction of patients with currently insufficiently controlled seizures. Here, a database is presented which is part of an EU-funded project ''EPILEPSIAE'' aiming at the development of seizure prediction algorithms which can monitor the EEG for seizure precursors. High-quality, long-term continuous EEG data, enriched with clinical metadata, which so far have not been available, are managed in this database as a joint effort of epilepsy centers in Portugal (Coimbra), France (Paris) and Germany (Freiburg). The architecture and the underlying schema are here reported for this database. It was designed for an efficient organization, access and search of the data of 300 epilepsy patients, including high quality long-term EEG recordings, obtained with scalp and intracranial electrodes, as well as derived features and supplementary clinical and imaging data. The organization of this European database will allow for accessibility by a wide spectrum of research groups and may serve as a model for similar databases planned for the future.