4 results on '"Martins da Silva, Antonio"'
Search Results
2. Interrater agreement of classification of photoparoxysmal electroencephalographic response.
- Author
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Beniczky, Sándor, Aurlien, Harald, Franceschetti, Silvana, Martins da Silva, Antonio, Bisulli, Francesca, Bentes, Carla, Canafoglia, Laura, Ferri, Lorenzo, Krýsl, David, Rita Peralta, Ana, Rácz, Attila, Cross, J. Helen, and Arzimanoglou, Alexis
- Subjects
TASK forces ,CLASSIFICATION ,ELECTROENCEPHALOGRAPHY - Abstract
Our goal was to assess the interrater agreement (IRA) of photoparoxysmal response (PPR) using the classification proposed by a task force of the International League Against Epilepsy (ILAE), and a simplified classification system proposed by our group. In addition, we evaluated IRA of epileptiform discharges (EDs) and the diagnostic significance of the electroencephalographic (EEG) abnormalities. We used EEG recordings from the European Reference Network (EpiCARE) and Standardized Computer‐based Organized Reporting of EEG (SCORE). Six raters independently scored EEG recordings from 30 patients. We calculated the agreement coefficient (AC) for each feature. IRA of PPR using the classification proposed by the ILAE task force was only fair (AC = 0.38). This improved to a moderate agreement by using the simplified classification (AC = 0.56; P =.004). IRA of EDs was almost perfect (AC = 0.98), and IRA of scoring the diagnostic significance was moderate (AC = 0.51). Our results suggest that the simplified classification of the PPR is suitable for implementation in clinical practice. [ABSTRACT FROM AUTHOR]
- Published
- 2020
- Full Text
- View/download PDF
3. The European Narcolepsy Network ( EU- NN) database.
- Author
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Khatami, Ramin, Luca, Gianina, Baumann, Christian R., Bassetti, Claudio L., Bruni, Oliviero, Canellas, Francesca, Dauvilliers, Yves, Del Rio‐Villegas, Rafael, Feketeova, Eva, Ferri, Raffaele, Geisler, Peter, Högl, Birgit, Jennum, Poul, Kornum, Birgitte R., Lecendreux, Michel, Martins‐da‐Silva, Antonio, Mathis, Johannes, Mayer, Geert, Paiva, Teresa, and Partinen, Markku
- Subjects
NARCOLEPSY ,SLEEP disorders ,SLEEP apnea syndromes ,SLEEP stages ,MEDICAL databases - Abstract
Narcolepsy with cataplexy is a rare disease with an estimated prevalence of 0.02% in European populations. Narcolepsy shares many features of rare disorders, in particular the lack of awareness of the disease with serious consequences for healthcare supply. Similar to other rare diseases, only a few European countries have registered narcolepsy cases in databases of the International Classification of Diseases or in registries of the European health authorities. A promising approach to identify disease-specific adverse health effects and needs in healthcare delivery in the field of rare diseases is to establish a distributed expert network. A first and important step is to create a database that allows collection, storage and dissemination of data on narcolepsy in a comprehensive and systematic way. Here, the first prospective web-based European narcolepsy database hosted by the European Narcolepsy Network is introduced. The database structure, standardization of data acquisition and quality control procedures are described, and an overview provided of the first 1079 patients from 18 European specialized centres. Due to its standardization this continuously increasing data pool is most promising to provide a better insight into many unsolved aspects of narcolepsy and related disorders, including clear phenotype characterization of subtypes of narcolepsy, more precise epidemiological data and knowledge on the natural history of narcolepsy, expectations about treatment effects, identification of post-marketing medication side-effects, and will contribute to improve clinical trial designs and provide facilities to further develop phase III trials. [ABSTRACT FROM AUTHOR]
- Published
- 2016
- Full Text
- View/download PDF
4. Methodology of photic stimulation revisited: Updated European algorithm for visual stimulation in the EEG laboratory.
- Author
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Kasteleijn-Nolst Trenité, Dorothée, Rubboli, Guido, Hirsch, Edouard, Martins da Silva, Antonio, Seri, Stefano, Wilkins, Arnold, Parra, Jaime, Covanis, Athanasios, Elia, Maurizio, Capovilla, Giuseppe, Stephani, Ulrich, and Harding, Graham
- Subjects
ELECTROENCEPHALOGRAPHY ,VISUAL evoked response ,STANDARDIZATION ,PHOTOSENSITIVITY disorders ,PEOPLE with epilepsy ,GUIDELINES - Abstract
Summary Intermittent photic stimulation (IPS) is a common procedure performed in the electroencephalography (EEG) laboratory in children and adults to detect abnormal epileptogenic sensitivity to flickering light (i.e., photosensitivity). In practice, substantial variability in outcome is anecdotally found due to the many different methods used per laboratory and country. We believe that standardization of procedure, based on scientific and clinical data, should permit reproducible identification and quantification of photosensitivity. We hope that the use of our new algorithm will help in standardizing the IPS procedure, which in turn may more clearly identify and assist monitoring of patients with epilepsy and photosensitivity. Our algorithm goes far beyond that published in 1999 ( Epilepsia, 1999a, 40, 75; Neurophysiol Clin, 1999b, 29, 318): it has substantially increased content, detailing technical and logistical aspects of IPS testing and the rationale for many of the steps in the IPS procedure. Furthermore, our latest algorithm incorporates the consensus of repeated scientific meetings of European experts in this field over a period of 6 years with feedback from general neurologists and epileptologists to improve its validity and utility. Accordingly, our European group has provided herein updated algorithms for two different levels of methodology: (1) requirements for defining photosensitivity in patients and in family members of known photosensitive patients and (2) requirements for tailored studies in patients with a clear history of visually induced seizures or complaints, and in those already known to be photosensitive. [ABSTRACT FROM AUTHOR]
- Published
- 2012
- Full Text
- View/download PDF
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