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continuous eeg monitoring

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https://www.readbyqxmd.com/read/29761018/behavioral-and-neurophysiological-abnormalities-during-cued-continuous-performance-tasks-in-patients-with-mild-traumatic-brain-injury
#1
Weixiang Zhao, Ruhong Wu, Suhong Wang, Haihui Qi, Yitao Qian, Suinuan Wang
Objective: This study's aim was to investigate the features and neural mechanisms of sustained attention in patients with mild traumatic brain injury (mTBI) by comparing and analyzing neuropsychological, behavioral, event-related potentials, and event-related desynchronization and synchronization between mTBI patients and healthy controls. Methods: Twenty mTBI patients with mTBI and 20 healthy controls underwent the Mini-Mental State Examination (MMSE) and a cued continuous performance task (AX-CPT)...
May 2018: Brain and Behavior
https://www.readbyqxmd.com/read/29756499/machine-learning-for-outcome-prediction-in-electroencephalograph-eeg-monitored-children-in-the-intensive-care-unit
#2
Iván Sánchez Fernández, Arnold J Sansevere, Marina Gaínza-Lein, Kush Kapur, Tobias Loddenkemper
The aim of this study was to evaluate the performance of models predicting in-hospital mortality in critically ill children undergoing continuous electroencephalography (cEEG) in the intensive care unit (ICU). We evaluated the performance of machine learning algorithms for predicting mortality in a database of 414 critically ill children undergoing cEEG in the ICU. The area under the receiver operating characteristic curve (AUC) in the test subset was highest for stepwise selection/elimination models (AUC = 0...
January 1, 2018: Journal of Child Neurology
https://www.readbyqxmd.com/read/29733464/randomized-trial-of-lacosamide-vs-fosphenytoin-for-nonconvulsive-seizures
#3
Aatif M Husain, Jong W Lee, Bradley J Kolls, Lawrence J Hirsch, Jonathan J Halford, Puneet K Gupta, Yafa Minazad, Jennifer M Jones, Suzette M LaRoche, Susan T Herman, Christa B Swisher, Saurabh R Sinha, Adriana Palade, Keith E Dombrowski, William B Gallentine, Cecil D Hahn, Elizabeth E Gerard, Manjushri Bhapkar, Yuliya Lokhnygina, M Brandon Westover
OBJECTIVE: The optimal treatment of nonconvulsive seizures in critically ill patients is uncertain. We evaluated the comparative effectiveness of antiseizure drugs (ASD) lacosamide (LCM) and fosphenytoin (fPHT) in this population. METHODS: The Treatment of Recurrent Electrographic Nonconvulsive Seizures (TRENdS) study was a non-inferiority, prospective, multicenter, randomized treatment trial of patients diagnosed with NCS by continuous electroencephalography (cEEG)...
May 7, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29718827/definition-and-classification-of-periodic-and-rhythmic-patterns
#4
Carolina B Maciel, Lawrence J Hirsch
The growing use of continuous video-EEG recording in the inpatient setting, in particular in patients with varying degrees of encephalopathy, has yielded a window to the brain with an excellent temporal resolution. This increasingly available tool has become more than an instrument to detect nonconvulsive seizures (its primary use), and clinical indications span from ischemia detection in acute brain injuries, neuroprognostication of comatose patients, to monitoring the degree of encephalopathy. In this context, abnormal findings such as periodic discharges and rhythmic delta activity were increasingly recognized; however, significant subjectivity remained in the interpretation of these findings pertaining to key features regarding their spatial involvement, prevalence of occurrence, duration, associated morphologic features, and behavior...
May 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29717196/eeg-analytics-for-early-detection-of-autism-spectrum-disorder-a-data-driven-approach
#5
William J Bosl, Helen Tager-Flusberg, Charles A Nelson
Autism spectrum disorder (ASD) is a complex and heterogeneous disorder, diagnosed on the basis of behavioral symptoms during the second year of life or later. Finding scalable biomarkers for early detection is challenging because of the variability in presentation of the disorder and the need for simple measurements that could be implemented routinely during well-baby checkups. EEG is a relatively easy-to-use, low cost brain measurement tool that is being increasingly explored as a potential clinical tool for monitoring atypical brain development...
May 1, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29713995/full-protection-against-soman-induced-seizures-and-brain-damage-by-ly293558-and-caramiphen-combination-treatment-in-adult-rats
#6
James P Apland, Vassiliki Aroniadou-Anderjaska, Taiza H Figueiredo, Marcio De Araujo Furtado, Maria F M Braga
Acute exposure to nerve agents induces status epilepticus (SE), which causes brain damage or death. LY293558, an antagonist of AMPA and GluK1 kainate receptors is a very effective anticonvulsant and neuroprotectant against soman; however, some neuronal damage is still present after treatment of soman-exposed rats with LY293558. Here, we have tested whether combining LY293558 with an NMDA receptor antagonist can eliminate the residual damage. For this purpose, we chose caramiphen (CRM), an antimuscarinic compound with NMDA receptor antagonistic properties...
April 30, 2018: Neurotoxicity Research
https://www.readbyqxmd.com/read/29713297/metabolic-and-electrophysiological-changes-associated-to-clinical-improvement-in-two-severely-traumatized-subjects-treated-with-emdr-a-pilot-study
#7
Marco Pagani, Gianluca Castelnuovo, Andrea Daverio, Patrizia La Porta, Leonardo Monaco, Fabiola Ferrentino, Agostino Chiaravalloti, Isabel Fernandez, Giorgio Di Lorenzo
Neuroimaging represents a powerful tool to investigate the neurobiological correlates of Eye Movements Desensitization and Reprocessing (EMDR). The impact of EMDR on cortical and sub-cortical brain regions has been proven by several investigations demonstrating a clear association between symptoms disappearance and changes in cortical structure and functionality. The aim of this study was to assess by electroencephalography (EEG) and for the first time by positron emission tomography (PET) the changes occurring after EMDR therapy in two cases of psychological trauma following brain concussion and comatose state due to traffic accident...
2018: Frontiers in Psychology
https://www.readbyqxmd.com/read/29710759/classification-of-single-channel-eeg-signals-for-epileptic-seizures-detection-based-on-hybrid-features
#8
Yanan Lu, Yu Ma, Chen Chen, Yuanyuan Wang
BACKGROUND: Epilepsy is a common chronic neurological disorder of the brain. Clinically, epileptic seizures are usually detected via the continuous monitoring of electroencephalogram (EEG) signals by experienced neurophysiologists. OBJECTIVE: In order to detect epileptic seizures automatically with a satisfactory precision, a new method is proposed which defines hybrid features that could characterize the epileptiform waves and classify single-channel EEG signals...
April 17, 2018: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/29705390/automated-eeg-background-analysis-to-identify-neonates-with-hypoxic-ischemic-encephalopathy-treated-with-hypothermia-at-risk-for-adverse-outcome-a-pilot-study
#9
Anneleen Dereymaeker, Vladimir Matic, Jan Vervisch, Perumpillichira J Cherian, Amir H Ansari, Ofelie De Wel, Paul Govaert, Maarten De Vos, Sabine Van Huffel, Gunnar Naulaers, Katrien Jansen
BACKGROUND: To improve the objective assessment of continuous video-EEG (cEEG) monitoring of neonatal brain function, the aim was to relate automated derived amplitude and duration parameters of the suppressed periods in the EEG background (dynamic Interburst Interval= dIBIs) after neonatal hypoxic-ischemic encephalopathy (HIE) to favourable or adverse neurodevelopmental outcome. METHODS: Nineteen neonates (gestational age 36-41 weeks) with HIE underwent therapeutic hypothermia and had cEEG-monitoring...
April 4, 2018: Pediatrics and Neonatology
https://www.readbyqxmd.com/read/29677014/continuous-electroencephalography-in-the-critically-ill-clinical-and-continuous-electroencephalography-markers-for-targeted-monitoring
#10
Christopher R Newey, Tyler G Kinzy, Vineet Punia, Stephen Hantus
PURPOSE: Electrographic seizures detected by continuous electroencephalography (CEEG) in critically ill patients with altered mental status is becoming increasingly recognized. Data guiding the appropriate selection of patients to be monitored on CEEG are lacking. The aims of this article were to study the incidence of seizures in the critical care setting and to evaluate for clinical predictors to improve the efficiency of CEEG monitoring. METHODS: Retrospective review of the CEEG and clinical data on 1,123 consecutive patients who had continuous video EEG over a 24-month period...
April 17, 2018: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/29663283/eeg-artifact-versus-subclinical-status-epilepticus-in-a-patient-following-cardiac-arrest
#11
Jean E Cibula, Daniel S Demos, Brenda G Fahy
BACKGROUND: A challenge in ICU EEG interpretation is identifying subclinical status epilepticus versus patterns on the ictal-interictal continuum versus other repetitive patterns. In the electrically noisy intensive care unit, identifying and eliminating interference and artifact allow accurate diagnoses from the EEG, avoiding unnecessary treatment or sedation. METHODS: We present a case during Impella (Abiomed Inc, Danvers, MA) continuous flow left ventricular assist device use where the EEG artifact was initially misinterpreted as seizure by the resident and treated as status epilepticus because of the "focal" sharply contoured repetitive pattern...
April 16, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29659050/continuous-electroencephalography-predicts-delayed-cerebral-ischemia-after-subarachnoid-hemorrhage-a-prospective-study-of-diagnostic-accuracy
#12
Eric S Rosenthal, Siddharth Biswal, Sahar F Zafar, Kathryn L O'Connor, Sophia Bechek, Apeksha V Shenoy, Emily J Boyle, Mouhsin M Shafi, Emily J Gilmore, Brandon P Foreman, Nicolas Gaspard, Thabele M Leslie-Mazwi, Jonathan Rosand, Daniel B Hoch, Cenk Ayata, Sydney S Cash, Andrew J Cole, Aman B Patel, M Brandon Westover
OBJECTIVE: Delayed cerebral ischemia (DCI) is a common, disabling complication of subarachnoid hemorrhage (SAH). Preventing DCI is a key focus of neurocritical care, but interventions carry risk and cannot be applied indiscriminately. While retrospective studies have identified continuous EEG (cEEG) measures associated with DCI, no study has characterized the accuracy of cEEG with sufficient rigor to justify using it to triage patients to interventions or clinical trials. We therefore prospectively assessed the accuracy of cEEG for predicting DCI, following the Standards for Reporting Diagnostic Accuracy Studies...
April 16, 2018: Annals of Neurology
https://www.readbyqxmd.com/read/29625848/seizure-severity-is-correlated-with-severity-of-hypoxic-ischemic-injury-in-abusive-head-trauma
#13
Andra L Dingman, Nicholas V Stence, Brent R O'Neill, Stefan H Sillau, Kevin E Chapman
BACKGROUND: The objective of this study was to characterize hypoxic-ischemic injury and seizures in abusive head trauma. METHODS: We performed a retrospective study of 58 children with moderate or severe traumatic brain injury due to abusive head trauma. Continuous electroencephalograms and magnetic resonance images were scored. RESULTS: Electrographic seizures (51.2%) and hypoxic-ischemic injury (77.4%) were common in our cohort. Younger age was associated with electrographic seizures (no seizures: median age 13...
December 12, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/29625364/usage-of-epifinder-clinical-decision-support-in-the-assessment-of-epilepsy
#14
Erin M Okazaki, Robert Yao, Joseph I Sirven, Amy Z Crepeau, Katherine H Noe, Joseph F Drazkowski, Matthew T Hoerth, Edgar Salinas, Lidia Csernak, Neel Mehta
BACKGROUND: The diagnosis of epilepsy is at times elusive for both neurologists and nonneurologists, resulting in delays in diagnosis and therapy. The development of screening methods has been identified as a priority in response to this diagnostic and therapeutic gap. EpiFinder is a novel clinical decision support tool designed to enhance the process of information gathering and integration of patient/proxy respondent data. It is designed specifically to take key terms from a patient's history and incorporate them into a heuristic algorithm that dynamically produces differential diagnoses of epilepsy syndromes...
April 3, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29623902/a-continuous-time-resolved-measure-decoded-from-eeg-oscillatory-activity-predicts-working-memory-task-performance
#15
Elaine Astrand
OBJECTIVE: Working memory (WM), crucial for successful behavioral performance in most of our everyday activities, holds a central role in goal-directed behavior. As task demands increase, inducing higher WM load, maintaining successful behavioral performance requires the brain to work at the higher end of its capacity. Because it is depending on both external and internal factors, individual WM load likely varies in a continuous fashion. The feasibility to extract such a continuous measure in time that correlates to behavioral performance during a working memory task remains unsolved...
April 6, 2018: Journal of Neural Engineering
https://www.readbyqxmd.com/read/29602053/eeg-findings-and-outcomes-of-continuous-video-eeg-monitoring-started-prior-to-initiation-of-seizure-treatment-in-the-perinatal-stroke
#16
José R Castro Conde, Itziar Quintero Fuentes, Candelaria González Campo, Alejandro Jiménez Sosa, Beatriz Reyes Millán, Sergio Hernández Expósito
BACKGROUND: To analyze the findings in the background EEG activity of infants who suffered perinatal stroke. METHODS: Eleven neonates born 2009-2014 diagnosed of ischemic stroke by MRI (three of them with multistroke) underwent continuous video-EEG monitoring. Visual and spectral (power spectrum and coherence) analyses of the background EEG was performed in three moments: 1) Onset of EEG recording (prior to initiate seizure treatment), 2) Post-ictal epoch (1-2 h after the last seizure), and 3) one-two days after seizure control...
March 27, 2018: Early Human Development
https://www.readbyqxmd.com/read/29589330/the-use-of-continuous-eeg-monitoring-in-intensive-care-units-in-the-netherlands-a-national-survey
#17
Danny M W Hilkman, Walther N K A van Mook, Werner H Mess, Vivianne H J M van Kranen-Mastenbroek
BACKGROUND: Currently, continuous electroencephalographic monitoring (cEEG) is the only available diagnostic tool for continuous monitoring of brain function in intensive care unit (ICU) patients. Yet, the exact relevance of routinely applied ICU cEEG remains unclear, and information on the implementation of cEEG, especially in Europe, is scarce. This study explores current practices of cEEG in adult Dutch ICU departments focusing on organizational and operational factors, development over time and factors perceived relevant for abstaining its use...
March 27, 2018: Neurocritical Care
https://www.readbyqxmd.com/read/29588947/the-intrahippocampal-kainate-mouse-model-of-mesial-temporal-lobe-epilepsy-lack-of-electrographic-seizure-like-events-in-sham-controls
#18
Friederike Twele, Alina Schidlitzki, Kathrin Töllner, Wolfgang Löscher
Objective: There is an ongoing debate about definition of seizures in experimental models of acquired epilepsy and how important adequate sham controls are in this respect. For instance, several mouse and rat strains exhibit high-voltage rhythmic spike or spike-wave discharges in the cortical electroencephalogram (EEG), which has to be considered when using such strains for induction of epilepsy by status epilepticus, traumatic brain injury, or other means. Mice developing spontaneous recurrent nonconvulsive and convulsive seizures after intrahippocampal injection of kainate are increasingly being used as a model of mesial temporal lobe epilepsy...
June 2017: Epilepsia Open
https://www.readbyqxmd.com/read/29587188/nonconvulsive-status-epilepticus-after-cessation-of-convulsive-status-epilepticus-in-pediatric-intensive-care-unit-patients
#19
Jin Chen, Lingling Xie, Yue Hu, Xinghui Lan, Li Jiang
Little is known about pediatric patients suffering from nonconvulsive status epilepticus (NCSE) after convulsive status epilepticus (CSE) cessation. The aim of this study was to identify in pediatric patients the clinical characteristics of NCSE after CSE cessation and the factors that contribute to patient outcomes. Data from clinical features, electroencephalography (EEG) characteristics, neuroimaging findings, treatments, and prognosis were systematically summarized, and the associations between clinical characteristics and prognosis were quantified...
March 24, 2018: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/29558523/clustering-of-spontaneous-recurrent-seizures-separated-by-long-seizure-free-periods-an-extended-video-eeg-monitoring-study-of-a-pilocarpine-mouse-model
#20
Jung-Ah Lim, Jangsup Moon, Tae-Joon Kim, Jin-Sun Jun, Byeongsu Park, Jung-Ick Byun, Jun-Sang Sunwoo, Kyung-Il Park, Soon-Tae Lee, Keun-Hwa Jung, Ki-Young Jung, Manho Kim, Daejong Jeon, Kon Chu, Sang Kun Lee
Seizure clustering is a common and significant phenomenon in patients with epilepsy. The clustering of spontaneous recurrent seizures (SRSs) in animal models of epilepsy, including mouse pilocarpine models, has been reported. However, most studies have analyzed seizures for a short duration after the induction of status epilepticus (SE). In this study, we investigated the detailed characteristics of seizure clustering in the chronic stage of a mouse pilocarpine-induced epilepsy model for an extended duration by continuous 24/7 video-EEG monitoring...
2018: PloS One
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