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Abnormal Neonatal EEG

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Early Electroencephalogram Background Could Guide Tailored Duration of Monitoring for Neonatal Encephalopathy Treated with Therapeutic Hypothermia.

Giulia M Benedetti, Rebecca J Vartanian, Harlan McCaffery, Renée A Shellhaas,

OBJECTIVE:To evaluate whether features of the early electroencephalographic (EEG) background could guide the optimal duration of continuous video EEG monitoring for seizure detection in newborn infants treated with therapeutic hypothermia for hypoxic ischemic encephalopathy (HIE). STUDY DESIGN:Retrospective cohort study of 114 consecutive infants treated with therapeutic hypothermia for moderate to ... Read more >>

J. Pediatr. (The Journal of pediatrics)
[2020, :]

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Electroencephalogram studies of hypoxic ischemia in fetal and neonatal animal models.

Hamid Abbasi, Charles P Unsworth,

Alongside clinical achievements, experiments conducted on animal models (including primate or non-primate) have been effective in the understanding of various pathophysiological aspects of perinatal hypoxic/ischemic encephalopathy (HIE). Due to the reasonably fair degree of flexibility with experiments, most of the research around HIE in the literature has been largely concerned ... Read more >>

Neural Regen Res (Neural regeneration research)
[2020, 15(5):828-837]

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Analyzing clinical and genetic characteristics of a cohort with multiple congenital anomalies-hypotonia-seizures syndrome (MCAHS).

Xianru Jiao, Jiao Xue, Pan Gong, Xinhua Bao, Ye Wu, Yuehua Zhang, Yuwu Jiang, Zhixian Yang,

OBJECTIVE:To summarize and extend the phenotypic characterization of Multiple Congenital Anomalies-Hypotonia-Seizures Syndrome, and to discuss genotype-phenotype correlations. METHODS:Collecting clinical information of 17 patients with pathogenic variants in PIGN, PIGA, and PIGT. Genetic studies were performed on all patients. RESULTS:There were 7 patients with 15 PIGN mutations (one patient carrying 3 ... Read more >>

Orphanet J Rare Dis (Orphanet journal of rare diseases)
[2020, 15(1):78]

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Measuring Cot-Side the Effects of Parenteral Nutrition on Preterm Cortical Function.

Viviana Marchi, Nathan Stevenson, Ninah Koolen, Raffaele Mazziotti, Francesca Moscuzza, Stefano Salvadori, Rossella Pieri, Paolo Ghirri, Andrea Guzzetta, Sampsa Vanhatalo,

Early nutritional compromise after preterm birth is shown to affect long-term neurodevelopment, however, there has been a lack of early functional measures of nutritional effects. Recent progress in computational electroencephalography (EEG) analysis has provided means to measure the early maturation of cortical activity. Our study aimed to explore whether computational ... Read more >>

Front Hum Neurosci (Frontiers in human neuroscience)
[2020, 14:]

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Prognostic value of amplitude-integrated EEG in neonates with high risk of neurological sequelae.

Xiao Yuan, Wenqing Kang, Juan Song, Jing Guo, Lanlan Guo, Ruili Zhang, Shasha Liu, Yaodong Zhang, Dapeng Liu, Yong Wang, Xue Ding, Huimin Dong, Xi Chen, Yanchao Cheng, Xiaoli Zhang, Falin Xu, Changlian Zhu,

OBJECTIVE:To determine the efficacy and the prognostic value of amplitude-integrated electroencephalography (aEEG) in term and near-term neonates with high risk of neurological sequelae. METHODS:Infants of ≥35 weeks of gestation diagnosed with neonatal encephalopathy or with high risk of brain injury were included. All eligible infants underwent aEEG within 6 h after clinical ... Read more >>

Ann Clin Transl Neurol (Annals of clinical and translational neurology)
[2020, 7(2):210-218]

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Prognostic Value of Clinical Tests in Neonates With Hypoxic-Ischemic Encephalopathy Treated With Therapeutic Hypothermia: A Systematic Review and Meta-Analysis.

Weiqin Liu, Qifen Yang, Hong Wei, Wenhui Dong, Ying Fan, Ziyu Hua,

Background and Objective: There remains an unmet clinical need for markers that predict outcomes in the hypothermia-treated (HT) infants with HIE. The aim of this meta-analysis was to investigate the prognostic accuracy of currently available clinical tests performed in the immediate post-natal period for predicting neurological outcomes between 18 months ... Read more >>

Front Neurol (Frontiers in Neurology)
[2020, 11:133]

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Perinatal thalamic injury: MRI predictors of electrical status epilepticus in sleep and long-term neurodevelopment.

Bart van den Munckhof, Anne F Zwart, Lauren C Weeke, Nathalie H P Claessens, Joost D J Plate, Alexander Leemans, Hugo J Kuijf, Heleen C van Teeseling, Frans S S Leijten, Manon J N Benders, Kees P J Braun, Linda S de Vries, Floor E Jansen,

OBJECTIVE:Perinatal thalamic injury is associated with epilepsy with electrical status epilepticus in sleep (ESES). The aim of this study was to prospectively quantify the risk of ESES and to assess neuroimaging predictors of neurodevelopment. METHODS:We included patients with perinatal thalamic injury. MRI scans were obtained in the neonatal period, around ... Read more >>

Neuroimage Clin (NeuroImage. Clinical)
[2020, 26:102227]

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Changes in Brain Tissue Oxygenation and Metabolism During Rewarming After Neonatal Encephalopathy are Related to Electrical Abnormality.

Subhabrata Mitra, Gemma Bale, Isabel de Roever, Judith Meek, Nicola J Robertson, Ilias Tachtsidis,

Hypoxic ischemic encephalopathy (HIE) leads to significant mortality and morbidity, and therapeutic hypothermia (TH) has become a standard of care following HIE. After TH, the body temperature is brought back to 37 °C. Early electroencephalography (EEG) is a reliable outcome biomarker following HIE. We hypothesized that changes in cerebral oxidative metabolism, ... Read more >>

Adv. Exp. Med. Biol. (Advances in experimental medicine and biology)
[2020, 1232:25-31]

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Electro-clinical and neurodevelopmental outcome in six children with early diagnosis of tuberous sclerosis complex and role of the genetic background.

M N Savini, A Mingarelli, A Peron, F La Briola, F Cervi, R M Alfano, M P Canevini, A Vignoli,

BACKGROUND:Seizures in individuals affected by tuberous sclerosis complex (TSC) commonly develop in the first year of life, are often preceded by a progressive deterioration of the electroencephalogram (EEG), and likely influence developmental outcome. Although early diagnosis of TSC has offered a tremendous opportunity to monitor affected patients before seizure onset, ... Read more >>

Ital J Pediatr (Italian journal of pediatrics)
[2020, 46(1):36]

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A Case of Complex and Abnormal Behaviors at Night: The Role of the Epilepsy Monitoring Unit in Diagnosis.

Montserrat Diaz-Abad, Ana M Sanchez, Arif Kabir, John Konikkara,

Complex nocturnal behaviors associated with sleep have many potential causes, including parasomnias and epilepsy. Although the type of event and description can frequently lead to a diagnosis, sometimes it is challenging clinically to determine the cause of the behaviors, requiring a more in-depth investigation. We report the case of a ... Read more >>

Case Rep Neurol (Case reports in neurology)
[2020, 12(1):18-23]

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A Comparison Of Conventional Electroencephalography With Amplitude-Integrated EEG In Detection Of Neonatal Seizures.

Maliheh Kadivar, Elahe Movahedi Moghadam, Reza Shervin Badv, Raziye Sangsari, Maryam Saeedy,

Introduction:Amplitude-integrated electroencephalogram (aEEG) is widely used in Neonatal Intensive Care Units (NICUs) to monitor neonatal seizures. This method is still not well established compared to conventional electroencephalogram (cEEG), the diagnostic gold standard. However, aEEG can be a good screening tool for the diagnosis of seizures in infants. Our aim in ... Read more >>

Med Devices (Auckl) (Medical devices (Auckland, N.Z.))
[2019, 12:489-496]

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Nonlinear Transfer Entropy to Assess the Neurovascular Coupling in Premature Neonates.

Dries Hendrikx, Liesbeth Thewissen, Anne Smits, Gunnar Naulaers, Karel Allegaert, Sabine Van Huffel, Alexander Caicedo,

In the adult brain, it is well known that increases in local neural activity trigger changes in regional blood flow and, thus, changes in cerebral energy metabolism. This regulation mechanism is called neurovascular coupling (NVC). It is not yet clear to what extent this mechanism is present in the premature ... Read more >>

Adv. Exp. Med. Biol. (Advances in experimental medicine and biology)
[2020, 1232:11-17]

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Investigating and managing neonatal seizures in the UK: an explanatory sequential mixed methods approach.

Lucy Gossling, James J P Alix, Theocharis Stavroulakis, Anthony R Hart,

BACKGROUND:Neonatal seizures are difficult to diagnose and, when they are, tradition dictates first line treatment is phenobarbital. There is little data on how consultants diagnose neonatal seizures, choose when to treat or how they choose aetiological investigations or drug treatments. The purpose of this study was to assess the variation ... Read more >>

BMC Pediatr (BMC pediatrics)
[2020, 20(1):36]

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Utility of Seizure Pattern and Related Clinical Features in the Diagnosis of Neurometabolic Disorders.

Narjes Jafari, Asieh Mosallanejad, Asieh Ghobadifar, Parvaneh Karimzadeh, Robabeh Ghodssi Ghassemabadi, Mohammadmehdi Nasehi, Marjan Shakiba, Shahrzad Tabatabaee,

Objectives:The current study aimed at identifying the role of seizure types and related clinical features in differentiation between neurometabolic disorders and other causes of seizure. Materials & Methods:The current cross sectional study was conducted at two referral children hospitals in Tehran, Iran, from 2011 to 2018. The study population included ... Read more >>

Iran J Child Neurol (Iranian journal of child neurology)
[2020, 14(1):123-132]

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The probability of seizures during continuous EEG monitoring in high-risk neonates.

Lila T Worden, Dhinakaran M Chinappen, Sally M Stoyell, Jacquelyn Gold, Luis Paixao, Kalpathy Krishnamoorthy, Mark A Kramer, Michael B Westover, Catherine J Chu,

OBJECTIVE:We evaluated the impact of monitoring indication, early electroencephalography (EEG), and clinical features on seizure risk in all neonates undergoing continuous EEG (cEEG) monitoring following a standardized monitoring protocol. METHODS:All cEEGs from unique neonates 34-48 weeks postmenstrual age monitored from 1/2011-10/2017 (n = 291) were included. We evaluated the impact of cEEG monitoring ... Read more >>

Epilepsia (Epilepsia)
[2019, 60(12):2508-2518]

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Applications of advanced signal processing and machine learning in the neonatal hypoxic-ischemic electroencephalogram.

Hamid Abbasi, Charles P Unsworth,

Perinatal hypoxic-ischemic-encephalopathy significantly contributes to neonatal death and life-long disability such as cerebral palsy. Advances in signal processing and machine learning have provided the research community with an opportunity to develop automated real-time identification techniques to detect the signs of hypoxic-ischemic-encephalopathy in larger electroencephalography/amplitude-integrated electroencephalography data sets more easily. This ... Read more >>

Neural Regen Res (Neural regeneration research)
[2020, 15(2):222-231]

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An update on pediatric surgical epilepsy: Part I.

Nisha Gadgil, Melissa A LoPresti, Matthew Muir, Jeffrey M Treiber, Marc Prablek, Patrick J Karas, Sandi K Lam,

Epilepsy affects many children worldwide, with drug-resistant epilepsy affecting 20-40% of all children with epilepsy. This carries a significant burden for patients and their families and is strongly correlated with poor cognitive outcomes, depression, anxiety, developmental delay, and impaired activities of daily living. For this reason, we sought to explore ... Read more >>

Surg Neurol Int (Surgical Neurology International)
[2019, 10:257]

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Congenital Central Hypoventilation Syndrome Presenting with Seizures.

Abdulaziz Binmanee, Abdulrahman Alfadhel, Naif Alzamil, Sara ALBanyan, Mishal Alammar,

Congenital central hypoventilation syndrome (CCHS) is a critical and rare autosomal dominant disorder that was first described by Robert Mellins in 1970. CCHS is defined to be an autonomic nervous system (ANS) dysfunction that usually presents in the neonatal period with hypoventilation and dysregulated autonomic homeostasis on a multi-system level. ... Read more >>

Cureus (Cureus)
[2020, 12(1):e6680]

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Novel CDKL5 mutations were found in patients in China: retrospective investigation in cases of CDKL5-related disorders.

Yumei Yan, Dake He, Jing Wu, Ruolin Hou, Kun Sun, Ling Li,

OBJECTIVE:CDKL5-related disorders (CDD) is an epileptic encephalopathy resulted of gene mutations of CDKL5. This study aimed to explore the development process of CDD and to expand its mutation spectrum. METHODS:Clinic datawas collected about three infantile epileptic encephalopathy cases diagnosed at Xinhua Hospital Affiliated to Shanghai Jiaotong University, School of Medicine. ... Read more >>

Ital J Pediatr (Italian journal of pediatrics)
[2020, 46(1):27]

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Early preterm infants with abnormal psychomotor neurodevelopmental outcome at age two show alterations in amplitude-integrated electroencephalography signals.

Christina Burger, Marlene Hammerl, Vera Neubauer, Ulrike Pupp Peglow, Ursula Kiechl-Kohlendorfer, Elke Griesmaier,

INTRODUCTION:Recent studies showed that neurodevelopment in preterm infants can be predicted by using amplitude-integrated electroencephalography (aEEG)-derived parameters. In our previous study we demonstrated that aEEG could be useful in predicting neurodevelopmental outcome in very preterm infants at the corrected age of 2 years. AIM:The aim of this study was to further ... Read more >>

Early Hum. Dev. (Early human development)
[2020, 141:104935]

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Infantile Alexander Disease with Late Onset Infantile Spasms and Hypsarrhythmia.

J Paprocka, B Rzepka-Migut, N Rzepka, A Jezela-Stanek, E Morava,

Alexander disease (AxD) is a rare autosomal dominant leukodystrophy with three clinical subtypes: infantile, juvenile and adult. Forms differ by age of symptoms occurrence and the clinical presentation. Although recent data suggest considering only two subtypes: type I (infantile onset with lesions extending to the cerebral hemispheres); type II (adult ... Read more >>

Balkan J. Med. Genet. (Balkan journal of medical genetics : BJMG)
[2019, 22(2):77-82]

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Midline and Parasagittal Seizures are Rare in Adult Patients.

Kapil Gururangan, Josef Parvizi,

BACKGROUND:For decades, half of the electrodes used in traditional electroencephalography (EEG) have been dedicated to midline and parasagittal coverage. Recently, newer EEG devices have used fewer electrodes without direct coverage over the midline or parasagittal regions. However, no systematic study to date has explored the prevalence of midline parasagittal seizures, ... Read more >>

Neurocrit Care (Neurocritical care)
[2020, 32(1):193-197]

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Infantile Spasms: An Update on Pre-Clinical Models and EEG Mechanisms.

Remi Janicot, Li-Rong Shao, Carl E Stafstrom,

Infantile spasms (IS) is an epileptic encephalopathy with unique clinical and electrographic features, which affects children in the middle of the first year of life. The pathophysiology of IS remains incompletely understood, despite the heterogeneity of IS etiologies, more than 200 of which are known. In particular, the neurobiological basis ... Read more >>

Children (Basel) (Children)
[2020, 7(1):]

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Novel PAK3 gene missense variant associated with two Chinese siblings with intellectual disability: a case report.

Yanyan Qian, Bingbing Wu, Yulan Lu, Wenhao Zhou, Sujuan Wang, Huijun Wang,

BACKGROUND:Intellectual disability (ID) constitutes the most common group of neurodevelopmental disorders. Exome sequencing has enabled the discovery of genetic mutations responsible for a wide range of ID disorders. CASE PRESENTATION:In this study, we reported on two male siblings, aged 4 and 2 years, with motor and mental developmental delays and mild ... Read more >>

BMC Med. Genet. (BMC medical genetics)
[2020, 21(1):31]

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A standardised assessment scheme for conventional EEG in preterm infants.

Elena Pavlidis, Rhodri O Lloyd, Vicki Livingstone, John M O'Toole, Peter M Filan, Francesco Pisani, Geraldine B Boylan,

OBJECTIVE:To develop a standardised scheme for assessing normal and abnormal electroencephalography (EEG) features of preterm infants. To assess the interobserver agreement of this assessment scheme. METHODS:We created a standardised EEG assessment scheme for 6 different post-menstrual age (PMA) groups using 4 EEG categories. Two experts, not involved in the development ... Read more >>

Clin Neurophysiol (Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology)
[2019, 131(1):199-204]

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