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Eeg monitoring

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https://www.readbyqxmd.com/read/28528210/do-patients-need-to-stay-in-bed-all-day-in-the-epilepsy-monitoring-unit-safety-data-from-a-non-restrictive-setting
#1
Laura Craciun, Jørgen Alving, Elena Gardella, Daniella Terney, Pirgit Meritam, Melita Cacic Hribljan, Sándor Beniczky
PURPOSE: To assess whether injuries occur more often in an Epilepsy Monitoring Unit (EMU) where portable EEG amplifiers are used, and where patients can freely move within a large area during the monitoring. METHODS: Patients were monitored at the Danish Epilepsy Center, in an EMU specifically designed for this purpose, and they were under continuous surveillance by personnel dedicated to the EMU. Adverse events (AEs) - including injuries, were prospectively noted, as part of the safety policy of the hospital...
May 13, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28527977/the-association-of-arachnoid-cysts-and-focal-epilepsy-hospital-based-case-control-study
#2
Ivan Nikolić, Aleksandar Ristić, Nikola Vojvodić, Vladimir Baščarević, Andrej Ilanković, Ivana Berisavac, Tijana Đukić, Dragoslav Sokić
OBJECTIVE: Arachnoid cysts (ACs) are common findings in brain MRI. Our aim was to examine frequency and distribution of ACs in patients with focal epilepsy, compared to healthy control subjects, and to investigate the association of AC and electro-clinical features of focal epilepsy. PATIENTS AND METHODS: We performed a retrospective case-control study, using data from 180 patients that underwent video-EEG monitoring between 2009 and 2012, and of 114 healthy controlled subjects...
May 12, 2017: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/28527387/analysis-of-electroencephalogram-characteristics-of-anti-nmda-receptor-encephalitis-patients-in-china
#3
Yan Zhang, Gang Liu, Meng Di Jiang, Li Ping Li, Ying Ying Su
OBJECTIVE: To explore the characteristics of electroencephalogram (EEG) in patients with anti-N-methyl-d-aspartate receptor (anti-NMDAR) encephalitis. METHODS: Anti-NMDAR encephalitis patients admitted to the Department of Neurology between January 2012 and June 2016 were enrolled. All patients underwent electroencephalogram (EEG) at least once in the disease peak stage, and received tumor screening, symptomatic therapy, and immunotherapy. Patients received outcome evaluation every 6months after the immunotherapy, and modified Rankin scale (mRS) 0-2 was defined as favorable outcome...
May 4, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28526648/somatosensory-evoked-potentials-during-temporary-arterial-occlusion-for-intracranial-aneurysm-surgery-predictive-value-for-perioperative-stroke
#4
Ahmed I Kashkoush, Brian T Jankowitz, Paul Gardner, Robert M Friedlander, Yue-Fang Chang, Donald J Crammond, Jeffrey R Balzer, Parthasarathy D Thirumala
BACKGROUND: Temporary arterial occlusion (TAO) is a valuable tool for minimizing intraoperative rupture risk during intracranial aneurysm microsurgery; however, it may also be associated with ischemic injury. OBJECTIVE: This study aims to identify surgical and intraoperative neurophysiological monitoring (IONM) factors that predict perioperative stroke risk after TAO. METHODS: We performed a retrospective chart review of 177 intracranial aneurysm surgeries at our institution, in which TAO was performed before the placement of a permanent clip under monitoring with somatosensory evoked potentials (SSEPs) and electroencephalography (EEG)...
May 16, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28522369/electroencephalographic-monitoring-during-sevoflurane-anaesthesia-in-an-amyotrophic-lateral-sclerosis-patient-with-locked-in-state
#5
Kazuko Hayashi, Ryuhei Araki, Akiko Tanaka
Recently, the cognitive abilities of patients with amyotrophic lateral sclerosis (ALS) have been found to be impaired along with the neurodegeneration of motor neurons. Electroencephalography (EEG) of end-stage ALS patients has reportedly shown specific features based on neuronal network modulations, differing from EEG of other patients with cognitive failure and dementia. However, EEG of end-stage ALS patients during anaesthesia has not yet been reported. A 64-year-old male ALS patient with locked-in state (LIS), supported by tracheostomy positive-pressure ventilation (TPPV) and enteral nourishment for 9years, underwent scheduled general anaesthesia for repair of a fractured mandible...
May 15, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28520633/insular-cortex-surgery-for-the-treatment-of-refractory-epilepsy
#6
Marec von Lehe, Yaroslav Parpaley
Focal epilepsy originating from the insular cortex is rare. One reason is the small amount of cortical tissue compared with other lobes of the brain. However, the incidence of insular epilepsy might be underestimated because of diagnostic difficulties. The semiology and the surface EEG are often not meaningful or even misleading, and elaborated imaging might be necessary. The close connections of the insular cortex with other potentially epileptogenic areas, such as the temporal lobe or frontal/central cortex, is increasingly recognized as possible reason for failure of epilepsy surgery for temporal or extratemporal seizures...
May 16, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28520632/disruption-of-brain-heart-coupling-in-sepsis
#7
Marjolein M Admiraal, Emily J Gilmore, Michel J A M Van Putten, Hitten P Zaveri, Lawrence J Hirsch, Nicolas Gaspard
PURPOSE: To investigate heart rate and EEG variability and their coupling in patients with sepsis and determine their relationship to sepsis severity and severity of sepsis-associated brain dysfunction. METHODS: Fifty-two patients with sepsis were prospectively identified, categorized as comatose (N = 30) and noncomatose (N = 22), and compared with 11 control subjects. In a 30-minute EEG and electrocardiogram recording, heart rate variability and EEG variability (measured by the variability of relative power in a modified alpha band = RAP) and their coupled oscillations were quantified using linear (least-square periodogram and magnitude square coherence) and nonlinear (Shannon entropy and mutual information) measures...
May 16, 2017: Journal of Clinical Neurophysiology: Official Publication of the American Electroencephalographic Society
https://www.readbyqxmd.com/read/28511986/epileptiform-discharge-detection-with-the-4-channel-frontal-electroencephalography-during-post-resuscitation-care
#8
Kyoung Min You, Gil Joon Suh, Woon Yong Kwon, Kyung Su Kim, Sang-Bae Ko, Min Ji Park, Taegyun Kim, Jung-In Ko
INTRODUCTION: We performed this study to investigate whether the SEDline system, a 4-channel-processed electroencephalography (EEG) monitoring device in the frontal area, can detect epileptiform discharges accurately during post-resuscitation care in comatose cardiac arrest survivors. METHODS: Adult comatose cardiac arrest survivors, who were admitted to the intensive care unit (ICU) for post-resuscitation care including TTM, were enrolled. Within 72h post-return of spontaneous circulation (ROSC), conventional EEG was conducted for 30minutes...
May 13, 2017: Resuscitation
https://www.readbyqxmd.com/read/28507528/cognitive-impairments-in-occupational-burnout-error-processing-and-its-indices-of-reactive-and-proactive-control
#9
Krystyna Golonka, Justyna Mojsa-Kaja, Magda Gawlowska, Katarzyna Popiel
The presented study refers to cognitive aspects of burnout as the effects of long-term work-related stress. The purpose of the study was to investigate electrophysiological correlates of burnout to explain the mechanisms of the core burnout symptoms: exhaustion and depersonalization/cynicism. The analyzed error-related electrophysiological markers shed light on impaired cognitive mechanisms and the specific changes in information-processing in burnout. In the EEG study design (N = 80), two components of error-related potential (ERP), error-related negativity (ERN), and error positivity (Pe), were analyzed...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28506505/the-utility-of-surveillance-electroencephalography-to-guide-early-antiepileptic-drug-therapy-in-infants-with-tuberous-sclerosis-complex
#10
Robyn Whitney, Saber Jan, Maria Zak, Bláthnaid McCoy
BACKGROUND: Seizures are a common early presentation in infants with tuberous sclerosis complex (TSC) and can be preceded by electrographic changes on electroencephalography (EEG) before clinical seizure onset. A limited number of studies have addressed the initial EEG findings in TSC and the outcome of early treatment with antiepileptic medication prior to clinical seizure onset. METHODS: We describe two infants with tuberous sclerosis complex whose surveillance EEG showed focal seizures that were not previously recognized by caregivers...
April 18, 2017: Pediatric Neurology
https://www.readbyqxmd.com/read/28504953/adaptive-seizure-onset-detection-framework-using-a-hybrid-pca-csp-approach
#11
Sina Khanmohammadi, Chun-An Chou
Epilepsy is one of the most common neurological disorders in the world. Prompt detection of seizure onset from electroencephalogram (EEG) signals can improve the treatment of epileptic patients. This paper presents a new adaptive patientspecific seizure onset detection framework that dynamically selects a feature from enhanced EEG signals to discriminate seizures from normal brain activity. The proposed framework employs principle component analysis (PCA) and common spatial patterns (CSP) to enhance the EEG signals and uses the extracted discriminative feature as an input for adaptive distance-based change point detector to identify the seizure onsets...
May 12, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28503704/use-of-eeg-in-critically-ill-children-and-neonates-in-the-united-states-of-america
#12
Marina Gaínza-Lein, Iván Sánchez Fernández, Tobias Loddenkemper
The objective of the study was to estimate the proportion of patients who receive an electroencephalogram (EEG) among five common indications for EEG monitoring in the intensive care unit: traumatic brain injury (TBI), extracorporeal membrane oxygenation (ECMO), cardiac arrest, cardiac surgery and hypoxic-ischemic encephalopathy (HIE). We performed a retrospective cross-sectional descriptive study utilizing the Kids' Inpatient Database (KID) for the years 2010-2012. The KID is the largest pediatric inpatient database in the USA and it is based on discharge reports created by hospitals for billing purposes...
May 13, 2017: Journal of Neurology
https://www.readbyqxmd.com/read/28501751/the-state-of-everyday-quantitative-eeg-use-in-canada-a-national-technologist-survey
#13
Marcus C Ng, Kara Gillis
PURPOSE: This study sought to determine the state of quantitative EEG (QEEG) use in Canada, as QEEG may provide a partial solution to the issue of escalating EEG demand against insufficient health care resources. METHODS: A 10-item survey questionnaire was administered to participants at the annual meeting of the Canadian Association of Electroneurophysiology Technologists, which was held in parallel with the annual meeting of the Canadian Neurological Sciences Federation...
May 5, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28496406/neural-correlates-of-phrase-rhythm-an-eeg-study-of-bipartite-vs-rondo-sonata-form
#14
Arturo Martínez-Rodrigo, Alicia Fernández-Sotos, José Miguel Latorre, José Moncho-Bogani, Antonio Fernández-Caballero
This paper introduces the neural correlates of phrase rhythm. In short, phrase rhythm is the rhythmic aspect of phrase construction and the relationships between phrases. For the sake of establishing the neural correlates, a musical experiment has been designed to induce music-evoked stimuli related to phrase rhythm. Brain activity is monitored through electroencephalography (EEG) by using a brain-computer interface. The power spectral value of each EEG channel is estimated to obtain how power variance distributes as a function of frequency...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28495218/effects-of-hippocampal-low-frequency-stimulation-in-idiopathic-non-human-primate-epilepsy-assessed-via-a-remote-sensing-enabled-neurostimulator
#15
Thomas A Wozny, Witold J Lipski, Ahmad Alhourani, Efstathios D Kondylis, Arun Antony, R Mark Richardson
Individuals with pharmacoresistant epilepsy remain a large and under-treated patient population. Continued technologic advancements in implantable neurostimulators have spurred considerable research efforts directed towards the development of novel antiepileptic stimulation therapies. However, the lack of adequate preclinical experimental platforms has precluded a detailed understanding of the differential effects of stimulation parameters on neuronal activity within seizure networks. In order to chronically monitor seizures and the effects of stimulation in a freely-behaving non-human primate with idiopathic epilepsy, we employed a novel simultaneous video-intracranial EEG recording platform using a state-of-the-art sensing-enabled, rechargeable clinical neurostimulator with real-time seizure detection and wireless data streaming capabilities...
May 7, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28486575/burst-suppression-ratio-underestimates-absolute-duration-of-electroencephalogram-suppression-compared-with-visual-analysis-of-intraoperative-electroencephalogram
#16
W G Muhlhofer, R Zak, T Kamal, B Rizvi, L P Sands, M Yuan, X Zhang, J M Leung
Background: Machine-generated indices based on quantitative electroencephalography (EEG), such as the patient state index (PSI™) and burst-suppression ratio (BSR), are increasingly being used to monitor intraoperative depth of anaesthesia in the endeavour to improve postoperative neurological outcomes, such as postoperative delirium (POD). However, the accuracy of the BSR compared with direct visualization of the EEG trace with regard to the prediction of POD has not been evaluated previously...
May 1, 2017: British Journal of Anaesthesia
https://www.readbyqxmd.com/read/28479551/classifying-drivers-cognitive-load-using-eeg-signals
#17
Shaibal Barua, Mobyen Uddin Ahmed, Shahina Begum
A growing traffic safety issue is the effect of cognitive loading activities on traffic safety and driving performance. To monitor drivers' mental state, understanding cognitive load is important since while driving, performing cognitively loading secondary tasks, for example talking on the phone, can affect the performance in the primary task, i.e. driving. Electroencephalography (EEG) is one of the reliable measures of cognitive load that can detect the changes in instantaneous load and effect of cognitively loading secondary task...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28478887/investigating-the-neurobiology-of-schizophrenia-and-other-major-psychiatric-disorders-with-transcranial-magnetic-stimulation
#18
REVIEW
Rachel E Kaskie, Fabio Ferrarelli
Characterizing the neurobiology of schizophrenia and other major psychiatric disorders is one of the main challenges of the current research in psychiatry. The availability of Transcranial Magnetic Stimulation (TMS) allows to directly probe virtually any cortical areas, thus providing a unique way to assess the neurophysiological properties of cortical neurons. This article presents a review of studies employing TMS in combination with Motor Evoked Potentials (TMS/MEPs) and high density Electroencephalogram (TMS/hd-EEG) in schizophrenia and other major psychiatric disorders...
May 3, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28474599/multi-feature-classifiers-for-burst-detection-in-single-eeg-channels-from-preterm-infants
#19
Xavier Navarro, Fabienne Poree, Mathieu Kuchenbuch, Mario Chavez, Alain Beuchée, Guy Carrault
<i>Objective</i>: The study of electroencephalographic (EEG) bursts in preterm infants provides valuable information about maturation or prognostication after perinatal asphyxia. Over the last two decades, a number of works proposed algorithms to automatically detect EEG bursts in preterm infants, but they were designed for populations under 35 weeks of post menstrual age (PMA). However, as the brain activity evolves rapidly during postnatal life, these solutions might be under-performing with increasing PMA...
May 5, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28464288/electroclinical-findings-of-minor-motor-events-during-sleep-in-temporal-lobe-epilepsy
#20
Loretta Giuliano, Denise Uccello, Daniela Fatuzzo, Greta Mainieri, Mario Zappia, Vito Sofia
OBJECTIVE: It is well known that sleep-related motor seizures can originate from the temporal lobe. However, little is known about the clinical features of minor motor manifestations during sleep in patients with temporal lobe epilepsy. The main objective of our study was to verify the existence of minor motor events during sleep in patients with mesial temporal lobe epilepsy (MTLE) and to define their clinical features and electroencephalography (EEG) correlations. METHODS: We enrolled in the study patients with diagnosis of symptomatic MTLE and a group of healthy controls...
May 2, 2017: Epilepsia
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