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https://www.readbyqxmd.com/read/29336768/is-routine-continuous-eeg-for-traumatic-brain-injury-beneficial
#1
Lia Aquino, Christopher Y Kang, Megan Y Harada, Ara Ko, Amy Do-Nguyen, Eric J Ley, Daniel R Margulies, Rodrigo F Alban
Severe traumatic brain injury (TBI) is associated with increased risk for early clinical and subclinical seizures. The use of continuous electroencephalography (cEEG) monitoring after TBI allows for identification and treatment of seizures that may otherwise occur undetected. Benefits of "routine" cEEG after TBI remain controversial. We examined the rate of subclinical seizures identified by cEEG in TBI patients admitted to a Level I trauma center. We analyzed a cohort of trauma patients with moderate to severe TBI (head Abbreviated Injury Score ≥3) who received cEEG within seven days of admission between October 2011 and May 2015...
December 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/29329250/blood-flow-and-continuous-eeg-changes-during-symptomatic-plateau-waves
#2
Natalie Kreitzer, Maggie Huynh, Brandon Foreman
Benign meningiomas uncommonly lead to significant cerebral edema, with only a few cases previously reported in the medical literature. The present study describes the case of a 49-year-old female who had a meningioma resection. She subsequently developed malignant cerebral edema and had episodes that were initially concerning for seizure activity. However, transient blood flow changes concerning for intracranial pressure (ICP) crises, were demonstrated on electroencephalogram (EEG) as well as noninvasive cerebral blood flow monitoring...
January 12, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29295522/comparison-between-scalp-eeg-and-behind-the-ear-eeg-for-development-of-a-wearable-seizure-detection-system-for-patients-with-focal-epilepsy
#3
Ying Gu, Evy Cleeren, Jonathan Dan, Kasper Claes, Wim Van Paesschen, Sabine Van Huffel, Borbála Hunyadi
A wearable electroencephalogram (EEG) device for continuous monitoring of patients suffering from epilepsy would provide valuable information for the management of the disease. Currently no EEG setup is small and unobtrusive enough to be used in daily life. Recording behind the ear could prove to be a solution to a wearable EEG setup. This article examines the feasibility of recording epileptic EEG from behind the ear. It is achieved by comparison with scalp EEG recordings. Traditional scalp EEG and behind-the-ear EEG were simultaneously acquired from 12 patients with temporal, parietal, or occipital lobe epilepsy...
December 23, 2017: Sensors
https://www.readbyqxmd.com/read/29282444/obstructive-sleep-apnea-presenting-as-non-epileptic-spells-a-unique-combination
#4
Prashant Natteru, Chintan Rupareliya, Xiangping Zhou, Pradeep C Bollu
Obstructive sleep apnea (OSA), an increasingly prevalent sleep disorder, has been extensively studied in both clinical and scientific settings. In most cases, the diagnosis of sleep apnea is straightforward with patients having symptoms of snoring, choking or gasping for air while asleep and witnessed apneas. However, sleep apnea is known to present in some unusual ways. We present a case of a 61-year-old male, with recently diagnosed obstructive sleep apnea (currently not on continuous positive airway pressure (CPAP)) and a history of seizure-like events since the age of 18 years, who came to the epilepsy monitoring unit (EMU) for spell characterization of his frequent seizure-like episodes...
October 24, 2017: Curēus
https://www.readbyqxmd.com/read/29276490/dual-frequency-head-maps-a-new-method-for-indexing-mental-workload-continuously-during-execution-of-cognitive-tasks
#5
Thea Radüntz
One goal of advanced information and communication technology is to simplify work. However, there is growing consensus regarding the negative consequences of inappropriate workload on employee's health and the safety of persons. In order to develop a method for continuous mental workload monitoring, we implemented a task battery consisting of cognitive tasks with diverse levels of complexity and difficulty. We conducted experiments and registered the electroencephalogram (EEG), performance data, and the NASA-TLX questionnaire from 54 people...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/29262437/ictal-interictal-continuum-when-to-worry-about-the-continuous-electroencephalography-pattern
#6
Justine Cormier, Carolina B Maciel, Emily J Gilmore
Continuous electroencephalography (cEEG) monitoring is an invaluable tool in the evaluation of encephalopathy and coma in critically ill patients. Marked increases in cEEG monitoring, coinciding with several societal guideline statements in the last decade, have allowed earlier detection and treatment of clearly harmful patterns, including nonconvulsive seizures (NCSz) and nonconvulsive status epilepticus (NCSE). However, it has also unmasked a range of EEG patterns of less clear clinical significance, with some more "malignant" than others given their potential association with increased neuronal stress and secondary brain injury...
December 2017: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29251645/dopamine-d2-receptor-antagonist-droperidol-deepens-sevoflurane-anesthesia
#7
Ryuhei Araki, Kazuko Hayashi, Teiji Sawa
BACKGROUND: Although midbrain dopaminergic pathways are known to contribute to arousal and emergence from anesthesia, few reports exist regarding the anesthetic effects of dopamine D2 receptor antagonism in humans. This study examined the effect of the D2 receptor antagonist droperidol on sevoflurane anesthesia by examining α and slow wave electroencephalogram oscillations. METHODS: Forty-five patients, age 20 to 60 yr, were enrolled. Frontal electroencephalograms were continuously collected for offline analysis via Bispectral Index monitoring...
December 15, 2017: Anesthesiology
https://www.readbyqxmd.com/read/29248799/early-withdrawal-of-non-anesthetic-antiepileptic-drugs-after-successful-termination-of-nonconvulsive-seizures-and-nonconvulsive-status-epilepticus
#8
Jennifer A Creed, Jake Son, Alfredo E Farjat, Christa B Swisher
PURPOSE: Multiple antiepileptic drugs (AEDs) are often necessary to treat nonconvulsive seizures (NCS) and nonconvulsive status epilepticus (NCSE). AED polypharmacy places patients at risk for adverse side effects and drug-drug interactions. Identifying the likelihood of seizure relapse when weaning non-anesthetic AEDs may provide guidance in the critical care unit. METHOD: Ninety-nine adult patients with successful treatment of electrographic-proven NCS or NCSE on continuous critical care EEG (CCEEG) monitoring were identified retrospectively...
December 8, 2017: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/29244803/changes-in-brain-morphology-and-microstructure-in-relation-to-early-brain-activity-in-extremely-preterm-infants
#9
Maria Luisa Tataranno, Nathalie H P Claessens, Pim Moeskops, Mona C Toet, Karina J Kersbergen, Giuseppe Buonocore, Ivana Išgum, Alexander Leemans, Serena Counsell, Floris Groenendaal, Linda S de Vries, Manon J N L Benders
OBJECTIVE: To investigate the relation of early brain activity with structural (growth of the cortex and cerebellum) and white matter microstructural brain development. METHODS: 33 preterm neonates (gestational age 26±1 weeks) without major brain abnormalities were continuously monitored with electroencephalography (EEG) during the first 48 h of life. Rate of spontaneous activity transients per minute (SAT rate) and interSAT interval (ISI) in seconds per minute were calculated...
December 15, 2017: Pediatric Research
https://www.readbyqxmd.com/read/29236042/single-channel-eeg-artifact-identification-using-two-dimensional-multi-resolution-analysis
#10
Mojtaba Taherisadr, Omid Dehzangi, Hossein Parsaei
As a diagnostic monitoring approach, electroencephalogram (EEG) signals can be decoded by signal processing methodologies for various health monitoring purposes. However, EEG recordings are contaminated by other interferences, particularly facial and ocular artifacts generated by the user. This is specifically an issue during continuous EEG recording sessions, and is therefore a key step in using EEG signals for either physiological monitoring and diagnosis or brain-computer interface to identify such artifacts from useful EEG components...
December 13, 2017: Sensors
https://www.readbyqxmd.com/read/29221942/neurostimulant-use-is-associated-with-improved-survival-in-comatose-patients-after-cardiac-arrest-regardless-of-electroencephalographic-substrate
#11
Alexis Steinberg, Jon C Rittenberger, Maria Baldwin, John Faro, Alexandra Urban, Naoir Zaher, Clifton W Callaway, Jonathan Elmer
AIM: Identify EEG patterns that predict or preclude favorable response in comatose post-arrest patients receiving neurostimulants. METHODS: We examined a retrospective cohort of consecutive electroencephalography (EEG)-monitored comatose post-arrest patients. We classified the last day of EEG recording before neurostimulant administration based on continuity (continuous/discontinuous), reactivity (yes/no) and malignant patterns (periodic discharges, suppression burst, myoclonic status epilepticus or seizures; yes/no)...
December 5, 2017: Resuscitation
https://www.readbyqxmd.com/read/29220351/driver-fatigue-detection-through-multiple-entropy-fusion-analysis-in-an-eeg-based-system
#12
Jianliang Min, Ping Wang, Jianfeng Hu
Driver fatigue is an important contributor to road accidents, and fatigue detection has major implications for transportation safety. The aim of this research is to analyze the multiple entropy fusion method and evaluate several channel regions to effectively detect a driver's fatigue state based on electroencephalogram (EEG) records. First, we fused multiple entropies, i.e., spectral entropy, approximate entropy, sample entropy and fuzzy entropy, as features compared with autoregressive (AR) modeling by four classifiers...
2017: PloS One
https://www.readbyqxmd.com/read/29213044/-the-course-and-development-of-epilepsy-in-patients-with-typical-variant-of-rett-syndrome-and-mutations
#13
M Yu Bobylova, I V Ivanova, I V Nekrasova, O A Pylaeva, K Yu Mukhin, A A Kholin, Ek S Iljina, A V Kulikov, El S Iljina, Yu E Nesterovsky
AIM: To study the anamnesis, clinical state, electro-encephalographic and brain MRI characteristics in patients with Rett syndrome (МЕСР2) and epilepsy. MATERIAL AND METHODS: Eleven female patients, aged from 3 to 23 years, with Rett syndrome and MeCP2 mutations were studied. The study continued for 10 years (2006-2015). Assessment of neurological and mental status, night sleep video-EEG monitoring, MRI were performed. RESULTS AND CONCLUSION: Epilepsy was diagnosed in six cases (54...
2017: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
https://www.readbyqxmd.com/read/29201532/clinical-presentation-epidemiology-neurophysiological-findings-treatment-and-outcome-of-nonconvulsive-status-epilepticus-a-3-year-prospective-hospital-based-study
#14
Boulenouar Mesraoua, Dirk Deleu, Hassan Al Hail, Faisal Ibrahim, Gayane Melikyan, Hassan Al Hussein, Rajvir Singh, Basim Uthman, Leopold Streletz, Peter W Kaplan, Heinz Gregor Wieser
Objective: This study reports the prevalence of Nonconvulsive Status Epilepticus (NCSE) in patients with altered mental status (AMS), and describes the clinical presentation, etiology, neurophysiological findings, neuroimaging, treatment, and outcome of NCSE in Qatar. Recording duration of continuous EEG monitoring was also discussed. Methods: This was a 3-year, prospective, hospital-based study involving patients with AMS and continuous EEG monitoring admitted to the Emergency and ICUs of Hamad Hospital, Qatar...
2017: Journal of Drug Assessment
https://www.readbyqxmd.com/read/29172703/quantitative-eeg-parameters-for-prediction-of-outcome-in-severe-traumatic-brain-injury-development-study
#15
Antti Tolonen, Mika O K Särkelä, Riikka S K Takala, Ari Katila, Janek Frantzén, Jussi P Posti, Markus Müller, Mark van Gils, Olli Tenovuo
Monitoring of quantitative EEG (QEEG) parameters in the intensive care unit (ICU) can aid in the treatment of traumatic brain injury (TBI) patients by complementing visual EEG review done by an expert. We performed an explorative study investigating the prognostic value of 59 QEEG parameters in predicting the outcome of patients with severe TBI. Continuous EEG recordings were done on 28 patients with severe TBI in the ICU of Turku University Hospital. We computed a set of QEEG parameters for each patient, and correlated these to patient outcome, measured by dichotomized Glasgow Outcome Scale (GOS) at a follow-up visit between 6 and 12 months, using area under receiver operating characteristic curve (AUC) as a nonlinear correlation measure...
November 1, 2017: Clinical EEG and Neuroscience: Official Journal of the EEG and Clinical Neuroscience Society (ENCS)
https://www.readbyqxmd.com/read/29171011/stroke-like-migraine-attacks-after-radiation-therapy-a-misnomer
#16
Emily Peien Fan, Gabriel Heiber, Elizabeth E Gerard, Stephan Schuele
OBJECTIVE: To understand the frequency of electrographic and clinical seizures in patients with stroke-like migraine attacks after radiation therapy (SMART), and determine whether SMART warrants comprehensive electroencephalographic (EEG) monitoring and aggressive seizure management. METHODS: We searched our magnetic resonance brain imaging report database for all patients between January 2013 and December 2015 for suspected SMART syndrome. Clinical inclusion criteria were further applied as follows: inpatient adults (>18 years of age) with history of cranial radiation presenting with acute neurologic deficits as primary admission reason who lacked evidence of recurrent or new brain malignancy, stroke, or infectious agents in cerebrospinal fluid...
November 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/29169769/online-denoising-of-eye-blinks-in-electroencephalography
#17
Quentin Barthélemy, Louis Mayaud, Yann Renard, Daekeun Kim, Seung-Wan Kang, Jay Gunkelman, Marco Congedo
OBJECTIVE: Due to its high temporal resolution, electroencephalography (EEG) has become a broadly-used technology for real-time brain monitoring applications such as neurofeedback (NFB) and brain-computer interfaces (BCI). However, since EEG signals are prone to artifacts, denoising is a crucial step that enables adequate subsequent data processing and interpretation. The aim of this study is to compare manual denoising to unsupervised online denoising, which is essential to real-time applications...
December 2017: Neurophysiologie Clinique, Clinical Neurophysiology
https://www.readbyqxmd.com/read/29164612/seizures-csf-neurofilament-light-and-tau-in-patients-with-subarachnoid-haemorrhage
#18
I Halawa, P Vlachogiannis, Å Amandusson, K Elf, E-R Engström, H Zetterberg, E Kumlien
OBJECTIVES: Patients with severe subarachnoid haemorrhage (SAH) often suffer from complications with delayed cerebral ischaemia (DCI) due to vasospasm that is difficult to identify by clinical examination. The purpose of this study was to monitor seizures and to measure cerebrospinal fluid (CSF) concentrations of neurofilament light (NFL) and tau, and to see whether they could be used for predicting preclinical DCI. METHODS: We prospectively studied 19 patients with aneurysmal SAH who underwent treatment with endovascular coiling...
November 21, 2017: Acta Neurologica Scandinavica
https://www.readbyqxmd.com/read/29139014/the-ictal-interictal-continuum-to-treat-or-not-to-treat-and-how
#19
Clio Rubinos, Alexandra S Reynolds, Jan Claassen
Continuous electroencephalography (cEEG) monitoring is becoming increasingly used in neurologic and non-neurologic intensive care units (ICUs). Non-convulsive seizures (NCSz) and periodic discharges (PDs) are commonly seen in critically ill patients. Some of these PD patterns, also known as the ictal-interictal continuum (IIC), are associated with an increased risk of seizures and poor outcome. However, we do not fully understand the significance of these periodic patterns and the decision of how aggressively to treat remains controversial...
November 14, 2017: Neurocritical Care
https://www.readbyqxmd.com/read/29124529/eeg-indices-correlate-with-sustained-attention-performance-in-patients-affected-by-diffuse-axonal-injury
#20
Stefania Coelli, Riccardo Barbieri, Gianluigi Reni, Claudio Zucca, Anna Maria Bianchi
The aim of this study is to assess the ability of EEG-based indices in providing relevant information about cognitive engagement level during the execution of a clinical sustained attention (SA) test in healthy volunteers and DAI (diffused axonal injury)-affected patients. We computed three continuous power-based engagement indices (P β /P α , 1/P α , and P β / (P α + P θ )) from EEG recordings in a control group (n = 7) and seven DAI-affected patients executing a 10-min Conners' "not-X" continuous performance test (CPT)...
November 9, 2017: Medical & Biological Engineering & Computing
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