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https://www.readbyqxmd.com/read/28643232/caffeine-protects-against-anticonvulsant-induced-neurotoxicity-in-the-developing-rat-brain
#1
Stefanie Endesfelder, Ulrike Weichelt, Cornelia Schiller, Marco Sifringer, Ivo Bendix, Christoph Bührer
Phenobarbital is the most commonly used drug for the treatment of neonatal seizures but may induce neurodegeneration in the developing brain. Methylxanthine caffeine is used for the treatment of apnea in newborn infants and appears to be neuroprotective, as shown by antiapoptotic and anti-inflammatory effects in oxidative stress models in newborn rodents and reduced rates of cerebral palsy in human infants treated with caffeine. We hypothesized that caffeine may counteract the proapoptotic effects of phenobarbital in newborn rats...
June 22, 2017: Neurotoxicity Research
https://www.readbyqxmd.com/read/28635423/inner-retinal-dystrophy-in-a-patient-with-biallelic-sequence-variants-in-brat1
#2
Julius T Oatts, Jacque L Duncan, Creig S Hoyt, Anne M Slavotinek, Anthony T Moore
BACKGROUND: Mutations in the BRCA1-associated protein required for the ataxia telangiectasia mutated (ATM) activation-1 (BRAT1) gene cause lethal neonatal rigidity and multifocal seizure syndrome characterized by rigidity and intractable seizures and a milder phenotype with intellectual disability, seizures, nonprogressive cerebellar ataxia or dyspraxia, and cerebellar atrophy. To date, nystagmus, cortical visual impairment, impairment of central vision, optic nerve hypoplasia, and optic atrophy have been described in this condition...
March 2, 2017: Ophthalmic Genetics
https://www.readbyqxmd.com/read/28629418/prenatal-brain-disruption-in-isolated-sulfite-oxidase-deficiency
#3
Hsiu-Fen Lee, Ching-Shiang Chi, Chi-Ren Tsai, Hung-Chieh Chen, I-Chun Lee
BACKGROUND: Isolated sulfite oxidase deficiency (ISOD) is a very rare autosomal recessive inherited neurometabolic disease. The most striking postnatal neuroimaging finding is multicystic encephalomalacia, which occurs rapidly within days to weeks after birth and mimics severe hypoxic-ischemic encephalopathy. The aim of this study was to describe the prenatal neuroimaging features in a neonate and a fetus diagnosed with ISOD. RESULTS: We report an 11-day-old female neonate who presented with feeding difficulties, decreased activity, neonatal seizures, and movement disorders within a few days after birth...
June 19, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28628231/gene-therapy-decreases-seizures-in-a-model-of-incontinentia-pigmenti
#4
Godwin K Dogbevia, Kathrin Töllner, Jakob Körbelin, Sonja Bröer, Dirk A Ridder, Hanna Grasshoff, Claudia Brandt, Jan Wenzel, Beate K Straub, Martin Trepel, Wolfgang Löscher, Markus Schwaninger
OBJECTIVE: Incontinentia pigmenti (IP) is a genetic disease leading to severe neurological symptoms, such as epileptic seizures, but no specific treatment is available. IP is caused by pathogenic variants that inactivate the Nemo gene. Replacing Nemo through gene therapy might provide therapeutic benefits. METHODS: In a mouse model of IP we administered a single intravenous dose of the AAV vector AAV-BR1-CAG-NEMO delivering the Nemo gene to the brain endothelium...
June 19, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28623069/neonatal-hypoglycemia-a-wide-range-of-electroclinical-manifestations-and-seizure-outcomes
#5
Ebru Arhan, Zeynep Öztürk, Ayşe Serdaroğlu, Kürşad Aydın, Tuğba Hirfanoğlu, Yılmaz Akbaş
PURPOSE: We examined the various types of epilepsy in children with neonatal hypoglycemia in order to define electroclinical and prognostic features of these patients. METHOD: We retrospectively reviewed the medical records of patients with a history of symptomatic neonatal hypoglycaemia who have been followed at Gazi University Hospital Pediatric Neurology Department between 2006 and 2015. Patients with perinatal asphyxia were excluded. Details of each patient's perinatal history, neurological outcome, epilepsy details, seizure outcome and EEG and brain MRI findings were reviewed...
June 1, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28605362/recording-eeg-in-freely-moving-neonatal-rats-using-a-novel-method
#6
Qing-Wei Huo, Sidra Tabassum, Afzal Ali Misrani, Cheng Long
EEG is a useful method to detect electrical activity in the brain. Moreover, it is a widely used diagnostic tool for various neurological conditions, such as epilepsy and neurodegenerative disorders. However, it is technically difficult to obtain EEG recordings in neonates as it requires specialized handling and great care. Here, we present a novel method to record EEG in neonatal rat pups (P8-P15). We designed a simple and reliable electrode using computer pin loci; it can be easily implanted into the skull of a rat pup to record high-quality EEG signals in the normal and epileptic brain...
May 29, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28602030/variable-expressivity-of-a-likely-pathogenic-variant-in-kcnq2-in-a-three-generation-pedigree-presenting-with-intellectual-disability-with-childhood-onset-seizures
#7
Stacy Hewson, Klajdi Puka, Saadet Mercimek-Mahmutoglu
KCNQ2 has been reported as a frequent cause of autosomal dominant benign familial neonatal seizures. De novo likely pathogenic variants in KCNQ2 have been described in neonatal or early infantile onset epileptic encephalopathy patients. Here, we report a three-generation family with six affected patients with a novel likely pathogenic variant (c.628C>T; p.Arg210Cys) in KCNQ2. Four family members, three adults and a child, presented with a childhood seizure onset with variability in the severity of seizures and response to treatment, intellectual disability (ID) as well as behavioral problems...
June 11, 2017: American Journal of Medical Genetics. Part A
https://www.readbyqxmd.com/read/28600701/the-impact-of-exposure-to-antidepressant-medications-during-pregnancy-on-neonatal-outcomes-a-review-of-retrospective-database-cohort-studies
#8
REVIEW
Casey R Tak, Kathleen M Job, Katie Schoen-Gentry, Sarah C Campbell, Patrick Carroll, Maged Costantine, Diana Brixner, Angela K Birnbaum, Catherine M T Sherwin
INTRODUCTION: Concerns with prescription antidepressant use in pregnant women have instigated the examination of potential associations between fetal exposure to antidepressant medication and outcomes including preterm delivery, congenital malformations, perinatal and post-natal adverse events, persistent pulmonary hypertension, and mortality. The retrospective cohort model is an often utilized study design. The objective of this review is to evaluate the literature on antidepressant use in pregnancy conducted as retrospective cohorts in national/regional medical, or claims databases that assess neonatal and infant outcomes for agreement between studies, ultimately providing a methodological and outcomes summary for future scientific endeavors...
June 9, 2017: European Journal of Clinical Pharmacology
https://www.readbyqxmd.com/read/28596673/power-spectral-density-analysis-of-electrocorticogram-recordings-during-cerebral-hypothermia-in-neonatal-seizures
#9
Mark H Myers, Elliott Jolly, Yaqin Li, Amy de Jongh Curry, Helena Parfenova
BACKGROUND: Neonatal seizures (NS) are the most common form of neurological dysfunction observed in newborns. PURPOSE: The purpose of this study in newborn piglets was to determine the effect of cerebral hypothermia (CH) on neural activity during pharmacologically induced NS. We hypothesized that the neuroprotective effects of CH would preserve higher frequencies observed in electrocorticogram (ECoG) recordings. METHODS: Power spectral density was employed to determine the levels of brain activity in ECoGs to quantitatively assess the power of each frequency observed in neurological brain states of delta, theta, alpha, and beta-gamma frequencies...
May 2017: Annals of Neurosciences
https://www.readbyqxmd.com/read/28595534/a-review-of-levetiracetam-in-neonates
#10
Amit Agrawal, Anita Banergee
BACKGROUND: Neonatal seizures are the most common clinical manifestation of central nervous system (CNS) dysfunction and are associated with various neurological sequelae. There are currently no evidence-based guidelines for the management of neonatal seizures and currently used drugs such as phenobarbital, and phenytoin have limited efficacy and potential toxicities. Newer second line anticonvulsant, levetiracetam, has been used in refractory neonatal seizures despite limited data and off-label use...
June 6, 2017: Current Drug Metabolism
https://www.readbyqxmd.com/read/28593892/neonatal-hypoglycemia-risk-factors-and-outcomes
#11
Orhideja Stomnaroska, Elizabeta Petkovska, Snezana Jancevska, Dragan Danilovski
BACKGROUND AND AIMS: Severe neonatal hypoglycemia (HG) leads to neurologic damage, mental retardation, epilepsy, personality disorders, impaired cardiac performance and muscle weakness. We aimed to assess the clinical characteristics of children with hypoglycemia in a random population of newborns. PATIENTS, METHODS AND RESULTS: We investigated 84 patients (M:F=35:48) born at the University Clinic for Gynecology and Obstetrics in Skopje (hospitalized in the NICU) who were found to have hypoglycemia...
March 1, 2017: Prilozi (Makedonska Akademija Na Naukite i Umetnostite. Oddelenie za Medicinski Nauki)
https://www.readbyqxmd.com/read/28589894/advising-women-with-diabetes-in-pregnancy-to-express-breastmilk-in-late-pregnancy-diabetes-and-antenatal-milk-expressing-dame-a-multicentre-unblinded-randomised-controlled-trial
#12
Della A Forster, Anita M Moorhead, Susan E Jacobs, Peter G Davis, Susan P Walker, Kerri M McEgan, Gillian F Opie, Susan M Donath, Lisa Gold, Catharine McNamara, Amanda Aylward, Christine East, Rachael Ford, Lisa H Amir
BACKGROUND: Infants of women with diabetes in pregnancy are at increased risk of hypoglycaemia, admission to a neonatal intensive care unit (NICU), and not being exclusively breastfed. Many clinicians encourage women with diabetes in pregnancy to express and store breastmilk in late pregnancy, yet no evidence exists for this practice. We aimed to determine the safety and efficacy of antenatal expressing in women with diabetes in pregnancy. METHODS: We did a multicentre, two-group, unblinded, randomised controlled trial in six hospitals in Victoria, Australia...
June 3, 2017: Lancet
https://www.readbyqxmd.com/read/28589638/inter-observer-reliability-in-reading-amplitude-integrated-electroencephalogram-in-the-newborn-intensive-care-unit
#13
Bhavesh Mehta, Nadine Griffiths, Kaye Spence, Sharon Laing
AIM: Amplitude-integrated electroencephalogram (aEEG) is widely used in neonates to detect electrical seizure and predict outcome following hypoxic ischaemic encephalopathy and other encephalopathy. Because accurate interpretation is important for clinical decision-making and family counselling, inter-observer reliability is a major concern. We aimed to evaluate inter-observer reliability in the interpretation of aEEG tracings in a neonatal intensive care unit. METHODS: Three neonatal intensive care unit clinicians with different levels of experience in reading aEEG independently reviewed and scored aEEG traces using standardised criteria, categories and interpretation rules...
June 7, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28587899/anticonvulsant-effect-of-flupirtine-in-an-animal-model-of-neonatal-hypoxic-ischemic-encephalopathy
#14
Dayalan Sampath, Robert Valdez, Andrew M White, Yogendra H Raol
Research studies suggest that neonatal seizures, which are most commonly associated with hypoxic-ischemic injury, may contribute to brain injury and adverse neurologic outcome. Unfortunately, neonatal seizures are often resistant to treatment with current anticonvulsants. In the present study, we evaluated the efficacy of flupirtine, administered at clinically relevant time-points, for the treatment of neonatal seizures in an animal model of hypoxic-ischemic injury that closely replicates features of the human syndrome...
June 3, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28583819/transcranial-doppler-identification-of-neurologic-injury-during-pediatric-extracorporeal-membrane-oxygenation-therapy
#15
Jay F Rilinger, Craig M Smith, Raye Ann O deRegnier, Joshua L Goldstein, Michele G Mills, Marleta Reynolds, Carl L Backer, Delilah M Burrowes, Priya Mehta, Juan Piantino, Mark S Wainwright
BACKGROUND: We used transcranial Doppler to examine changes in cerebral blood flow velocity in children treated with extracorporeal membrane oxygenation. We examined the association between those changes and radiologic, electroencephalographic, and clinical evidence of neurologic injury. METHODS: This was a retrospective review and prospective observational study of patients 18 years old and younger at a single university children's hospital. Transcranial Doppler studies were obtained every other day during the first 7 days of extracorporeal membrane oxygenation, and 1 additional study following decannulation, in conjunction with serial neurologic examinations, brain imaging, and 6- to 12-month follow-up...
June 2, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28580602/randomised-study-showed-that-recorded-maternal-voices-reduced-pain-in-preterm-infants-undergoing-heel-lance-procedures-in-a-neonatal-intensive-care-unit
#16
G Chirico, R Cabano, G Villa, A Bigogno, M Ardesi, E Dioni
AIM: Alleviating pain in neonates should be the goal of all caregivers. We evaluated whether recorded maternal voices were safe and effective in limiting pain in preterm infants undergoing heel lance procedures in the neonatal intensive care unit of an Italian children's hospital. METHODS: This prospective, controlled study took place from December 2013 to December 2015. We enrolled 40 preterm infants, born at a 26-34 weeks of gestation, at a corrected gestational age 29-36 weeks and randomised them to listen or not listen to a recording of their mother's voice during a painful, routine heel lance for blood collection...
June 5, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28578174/maternal-marijuana-use-adverse-pregnancy-outcomes-and-neonatal-morbidity
#17
Torri D Metz, Amanda A Allshouse, Carol J Rowland Hogue, Robert L Goldenberg, Donald J Dudley, Michael W Varner, Deborah L Conway, George R Saade, Robert M Silver
BACKGROUND: The Eunice Kennedy Shriver National Institute of Child Health and Human Development Stillbirth Collaborative Research Network previously demonstrated an association between stillbirth and maternal marijuana use as defined by the presence of tetrahydrocannabinol in the umbilical cord homogenate. However, the relationship between marijuana use and perinatal complications in live births is uncertain. OBJECTIVE: Our aim was to examine if maternal marijuana use is associated with increased odds of adverse pregnancy outcomes and neonatal morbidity among live-born controls in the Stillbirth Collaborative Research Network cohort...
May 31, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28576568/early-life-exposure-to-caffeine-affects-the-construction-and-activity-of-cortical-networks-in-mice
#18
Walid Fazeli, Stefania Zappettini, Stephan Lawrence Marguet, Jasper Grendel, Monique Esclapez, Christophe Bernard, Dirk Isbrandt
The consumption of psychoactive drugs during pregnancy can have deleterious effects on newborns. It remains unclear whether early-life exposure to caffeine, the most widely consumed psychoactive substance, alters brain development. We hypothesized that maternal caffeine ingestion during pregnancy and the early postnatal period in mice affects the construction and activity of cortical networks in offspring. To test this hypothesis, we focused on primary visual cortex (V1) as a model neocortical region. In a study design mimicking the daily consumption of approximately three cups of coffee during pregnancy in humans, caffeine was added to the drinking water of female mice and their offspring were compared to control offspring...
May 30, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28575768/early-life-status-epilepticus-acutely-impacts-select-quantitative-and-qualitative-features-of-neonatal-vocalization-behavior-spectrographic-and-temporal-characterizations-in-c57bl-6-mice
#19
Conner D Reynolds, Suzanne O Nolan, Jessica L Huebschman, Samantha L Hodges, Joaquin N Lugo
Early-life seizures are known to cause long-term deficits in social behavior, learning, and memory, however little is known regarding their acute impact. Ultrasonic vocalization (USV) recordings have been developed as a tool for investigating early communicative deficits in mice. Previous investigation from our lab found that postnatal day (PD) 10 seizures cause male-specific suppression of 50-kHz USVs on PD12 in 129 SvEvTac mouse pups. The present study extends these findings by spectrographic characterization of USVs following neonatal seizures...
May 30, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28574146/niemann-pick-type-c-as-a-cause-of-progressive-intellectual-and-neurological-deterioration-in-childhood
#20
Anne Marie Winstone, Lesley Ann Stellitano, Christopher Michael Verity
AIM: To describe the cases of Niemann-Pick type C (NP-C) disease in a United Kingdom epidemiological study of progressive intellectual and neurological deterioration in childhood. METHOD: Paediatricians notified cases via the British Paediatric Surveillance Unit between 1997 and 2015. RESULTS: Fifty-three NP-C patients were identified: 29 females, 24 males. Fifteen cases had a systemic presentation (neonatal jaundice and/or hepatosplenomegaly)...
June 2, 2017: Developmental Medicine and Child Neurology
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