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Neonatal neurology

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https://www.readbyqxmd.com/read/28343216/susceptibility-weighted-imaging-identifies-iron-oxide-labeled-human-neural-stem-cells-automated-computational-detection
#1
Mohsen Baghchechi, Amy Plaia, Mary Hamer, Nirmalya Ghosh, Stephen Ashwal, Andre Obenaus
Neonatal hypoxic-ischemic brain injury (HII) can lead to devastating neurological outcomes such as cerebral palsy, epilepsy, and mental retardation. Human neural stem cell (hNSC) therapy provides new hope for the treatment of neonatal HII. These multipotent cells can aid in HII recovery by activating multiple reparative mechanisms including secretion of neurotrophic factors that enhance brain repair and plasticity. For clinical use of implanted hNSCs, methods are required to identify, quantify, track, and visualize migration and replication in an automated and reproducible fashion...
March 25, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28343214/moderate-grade-germinal-matrix-haemorrhage-activates-cell-division-in-the-neonatal-mouse-subventricular-zone
#2
William J Dawes, Xinyu Zhang, Stephen P J Fancy, David Rowitch, Silvia Marino
Precise temporal and spatial control of the neural stem/progenitor cells within the subventricular zone (SVZ) germinal matrix of the brain is important for normal development in the third trimester and the early postnatal period. The high metabolic demands of proliferating germinal matrix precursors, coupled with the flimsy structure of the germinal matrix cerebral vasculature, are thought to account for the high rates of haemorrhage in extremely- and very-low-birth-weight preterm infants. Germinal matrix haemorrhage can commonly extend to intraventricular haemorrhage (IVH)...
March 25, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28336156/pediatric-arterial-ischemic-stroke-epidemiology-risk-factors-and-management
#3
Ryan J Felling, Lisa R Sun, Emily C Maxwell, Neil Goldenberg, Timothy Bernard
Pediatric arterial ischemic stroke (AIS) is an uncommon but important cause of neurologic morbidity in neonates and children, with consequences including hemiparesis, intellectual disabilities, and epilepsy. The causes of pediatric AIS are unique to those typically associated with stroke in adults. Familiarity with the risk factors for AIS in children will help with efficient diagnosis, which is unfortunately frequently delayed. Here we review the epidemiology and risk factors for AIS in neonates and children...
March 7, 2017: Blood Cells, Molecules & Diseases
https://www.readbyqxmd.com/read/28333406/survey-of-neurodevelopmental-allied-health-teams-in-australian-and-new-zealand-neonatal-nurseries-staff-profile-and-standardised-neurobehavioural-neurological-assessment
#4
Leesa G Allinson, Lex W Doyle, Linda Denehy, Alicia J Spittle
AIMS: The primary aim of this study was to establish how many neonatal nurseries in Australia and New Zealand had a neurodevelopmental allied health team, to ascertain the disciplines involved, their qualifications and experience. The secondary aim was to evaluate which standardised neurobehavioural/neurological assessments were currently being implemented, and the existing practice in relation to their use. METHODS: A descriptive cross-sectional survey, sampling 179 eligible public and private hospital neonatal intensive care units (NICUs) and special care nurseries (SCNs) throughout Australia and New Zealand, was purpose-developed and administered electronically from the 5th April to 23rd July 2013...
March 23, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28331868/a-novel-practical-equation-for-treatment-of-emergent-hypernatremia-and-dehydration-phase-in-infants
#5
Saba Ghaffary, Azadeh Moghaddas, Mehrnoush Dianatkhah
Serum sodium (Na) concentration more than 145 mmol/L is defined as hypernatremia. Hypernatremia carries an acute morbidity and mortality, especially in neonates and infants. Rapid correction of hypernatremia leads to severe cerebral damages, and seizure is the most common neurological complication of hypernatremia. Selection and calculation of an appropriate fluid and its amount is one of the tremendous challenges. It is important to choose the correct amount of suitable fluid and adjust rehydration rate. In this study, we have suggested practical equation to determine the amount of fluid that should be administered to the neonates and infants with hypernatremia...
January 2017: Journal of Research in Pharmacy Practice
https://www.readbyqxmd.com/read/28330415/novel-detection-of-placental-insufficiency-by-magnetic-resonance-imaging-in-the-nonhuman-primate
#6
Jamie O Lo, Victoria H J Roberts, Matthias C Schabel, Xiaojie Wang, Terry K Morgan, Zheng Liu, Colin Studholme, Christopher D Kroenke, Antonio E Frias
The placenta is a vital organ necessary for healthy fetal development. Placental insufficiency creates an in utero environment where the fetus is at risk of insufficient oxygen or nutrient exchange. This is primarily caused by impairment of either maternal or fetal circulation or vascular thrombosis such as placental infarction. As a result of placental dysfunction, affected fetuses may be growth restricted, neurologically impaired, and at risk of increased morbidity and mortality. In a cohort of 4 pregnant Rhesus macaques, we describe antenatal detection of naturally occurring intrauterine growth restriction (IUGR) and aberrant fetal neurodevelopment in 1 animal...
January 1, 2017: Reproductive Sciences
https://www.readbyqxmd.com/read/28326198/could-perinatal-asphyxia-induce-a-synaptopathy-new-highlights-from-an-experimental-model
#7
REVIEW
María Inés Herrera, Matilde Otero-Losada, Lucas Daniel Udovin, Carlos Kusnier, Rodolfo Kölliker-Frers, Wanderley de Souza, Francisco Capani
Birth asphyxia also termed perinatal asphyxia is an obstetric complication that strongly affects brain structure and function. Central nervous system is highly susceptible to oxidative damage caused by perinatal asphyxia while activation and maturity of the proper pathways are relevant to avoiding abnormal neural development. Perinatal asphyxia is associated with high morbimortality in term and preterm neonates. Although several studies have demonstrated a variety of biochemical and molecular pathways involved in perinatal asphyxia physiopathology, little is known about the synaptic alterations induced by perinatal asphyxia...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28324900/infant-guided-co-regulated-feeding-in-the-neonatal-intensive-care-unit-part-ii-interventions-to-promote-neuroprotection-and-safety
#8
Catherine S Shaker
Feeding skills of preterm neonates in a neonatal intensive care unit are in an emergent phase of development and require careful support to minimize stress. The underpinnings that influence and enhance both neuroprotection and safety were discussed in Part I. An infant-guided, co-regulated approach to feeding can protect the vulnerable neonate's neurologic development, support the parent-infant relationship, and prevent feeding problems that may endure. Contingent interventions are used to maintain subsystem stability and enhance self-regulation, development, and coping skills...
April 2017: Seminars in Speech and Language
https://www.readbyqxmd.com/read/28320216/a-neurologic-dysfunction-scoring-protocol-for-jaundiced-neonates-requiring-exchange-transfusion
#9
Bolajoko O Olusanya, Folashade B Osibanjo, Adeniyi A Ajiboye, Oluwafemi E Ayodele, Adebanke A Odunsi, Serah M Olaifa, Abieyuwa A Emokpae
AIM: To evaluate the performance of a neurologic assessment protocol among jaundiced infants requiring exchange transfusion (ET). METHODS: We identified infants in a referral children's hospital who received ET and those who met the American Academy of Pediatrics (AAP) criteria for ET based on total serum bilirubin (TSB) levels. The performance of a bilirubin-induced neurologic dysfunction (BIND-M) scoring protocol for acute bilirubin encephalopathy (ABE) in detecting infants treated with ET in both groups was investigated by logistic regression analysis and c-statistic...
March 20, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28319444/retro-orbital-venous-sinus-delivery-of-raav9-mediates-high-level-transduction-of-brain-and-retina-compared-with-temporal-vein-delivery-in-neonatal-mouse-pups
#10
Alisha M Gruntman, Lin Su, Terence R Flotte
In order to pursue a clinical gene therapy for a human neurologic disease, it is often necessary to perform proof-of-concept trials in mouse models of that disease. In order to demonstrate a potential clinical efficacy, one must be able to select an appropriate vector and route of delivery for the appropriate age group in the disease model. Since many diseases require correction early in life, investigators often need to deliver recombinant adeno-associated viral (rAAV) vectors to neonatal mice. Herein, general central nervous system expression patterns of nuclear GFP following delivery of rAAV by three different routes are reported...
March 2017: Human Gene Therapy
https://www.readbyqxmd.com/read/28319128/serious-adverse-neonatal-outcomes-such-as-5-minute-apgar-score-of-zero-and-seizures-or-severe-neurologic-dysfunction-are-increased-in-planned-home-births-after-cesarean-delivery
#11
Amos Grünebaum, Laurence B McCullough, Birgit Arabin, Frank A Chervenak
The United States is with 37,451 home births in 2014 the country with the largest absolute number of home births among all developed countries. The purpose of this study was to examine the occurrence and risks of a 5-minute Apgar score of zero and neonatal seizures or serious neurologic dysfunction in women with a history of prior cesarean delivery for planned home vaginal birth after cesarean (VBAC), compared to hospital VBAC and hospital birth cesarean deliveries for term normal weight infants in the United States from 2007-2014...
2017: PloS One
https://www.readbyqxmd.com/read/28304316/perspectives-and-attitudes-of-pediatricians-concerning-post-discharge-care-practice-of-premature-infants
#12
A Gad, E Parkinson, N Khawar, A Elmeki, P Narula, D Hoang
OBJECTIVE: Survival rates of premature infants are at a historical high and increasingly more pediatricians are caring for former premature infants. The goal of this study was to describe the perspectives and attitudes of pediatricians, as well as, the challenges of rendering post-neonatal intensive care unit (NICU) discharge care for premature infants. METHODS: An anonymous 22-question web-based survey was emailed to pediatricians who are current members of the American Academy of Pediatrics (AAP) and practicing in Kings County, New York...
March 16, 2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28301882/infantile-hemangioma-of-the-posterior-fossa-in-a-newborn-early-management-and-long-term-follow-up
#13
Elsa Haine, Annick Sevely, Sergio Boetto, Marie-Bernadette Delisle, Claude Cances
A 21-day-old male infant was admitted with signs of intracranial hypertension. Brain magnetic resonance imaging (MRI) revealed a voluminous mass in the posterior fossa with an intense peripheral enhancement on T1 images with gadolinium. The child was treated secondarily by surgical decompression of the posterior fossa and the lesion was biopsied. The pathological findings indicated infantile hemangioma. Treatment with oral prednisolone was initiated at 3 months, given the lack of tumor involution. Six months after corticotherapy was stopped, repeated MRIs indicated a significant reduction in tumor size and then complete disappearance...
March 16, 2017: Neuropediatrics
https://www.readbyqxmd.com/read/28288145/rectal-temperature-in-the-first-five-hours-after-hypoxia-ischaemia-critically-affects-neuropathological-outcomes-in-neonatal-rats
#14
Thomas Wood, Catherine Hobbs, Mari Falck, Anne Charlotte Brun, Else Marit Løberg, Marianne Thoresen
BACKGROUND: Hyperthermia after hypoxia-ischaemia (HI) in newborn infants is associated with worse neurological outcomes. Loss of thermoregulation may also be associated with greater injury. METHODS: In the postnatal-day 7 (P7) rat, the effect of 5h of graded hyperthermia (38°C or 39°C) immediately after unilateral HI was compared to normothermia (NT, 37°C), and therapeutic hypothermia (TH, 32°C). Early (negative geotaxis) and late (staircase test) behavioural testing was performed, as well as neuropathology scoring in adulthood...
March 13, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28283555/developmental-genetic-dietary-and-xenobiotic-influences-on-neonatal-hyperbilirubinemia
#15
Mei-Fei Yueh, Shujuan Chen, Nghia Nguyen, Robert H Tukey
Hyperbilirubinemia, caused by the accumulation of unconjugated bilirubin, is one of the most common clinical diagnoses in both premature and term newborns. Owing to the fact that bilirubin is metabolized solely through glucuronidation by UDP-glucuronosyltransferase (UGT) 1A1, it is now known that immaturity of UGT1A1 in combination with overproduction of bilirubin during the developmental stage acts as a bottleneck to bilirubin elimination and predisposes the infant to high TBS levels. While neonatal jaundice is mostly benign, excessively high levels of serum bilirubin in a small percentage of newborns can cause bilirubin-induced neurologic dysfunction (BIND), potentially leading to permanent brain damage, a condition known as kernicterus...
March 10, 2017: Molecular Pharmacology
https://www.readbyqxmd.com/read/28282762/a-comparison-between-the-two-methods-of-chest-compression-in-infant-and-neonatal-resuscitation-a-review-according-to-2010-cpr-guidelines
#16
Alexandros Douvanas, Christina Koulouglioti, Maria Kalafati
AIM: The quality of chest compression (CC) delivered during neonatal and infant cardiopulmonary resuscitation (CPR) is identified as the most important factor to achieve the increase of survival rate without major neurological deficit to the patients. The objective of the study was to systematically review all the available studies that have compared the two different techniques of hand placement on infants and neonatal resuscitation, from 2010 to 2015 and to highlight which method is more effective...
March 5, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28282433/the-cause-specific-morbidity-and-mortality-and-referral-patterns-of-all-neonates-admitted-to-a-tertiary-referral-hospital-in-the-northern-provinces-of-vietnam-over-a-one-year-period
#17
Merinda Miles, Khu Thi Khanh Dung, Le Thi Ha, Nguyen Thanh Liem, Khu Ha, Rod W Hunt, Kim Mulholland, Chris Morgan, Fiona M Russell
OBJECTIVE: To describe the cause-specific morbidity and mortality, and referral patterns of all neonates admitted to a tertiary referral hospital in the northern provinces of Vietnam. DESIGN: A prospective hospital based observational study. SETTING: The Neonatal Department, National Hospital of Pediatrics, Hanoi, Vietnam. PATIENTS: All admissions to the Neonatal Department over a 12 month period. MAIN OUTCOME MEASURES: Cause-specific morbidity and mortality; deaths...
2017: PloS One
https://www.readbyqxmd.com/read/28278259/prognostic-value-of-cerebral-tissue-oxygen-saturation-during-neonatal-extracorporeal-membrane-oxygenation
#18
Marie-Philippine Clair, Jérôme Rambaud, Adrien Flahault, Romain Guedj, Julia Guilbert, Isabelle Guellec, Amélie Durandy, Maryne Demoulin, Sandrine Jean, Delphine Mitanchez, François Chalard, Chiara Sileo, Ricardo Carbajal, Sylvain Renolleau, Pierre-Louis Léger
OBJECTIVES: Extracorporeal membrane oxygenation support is indicated in severe and refractory respiratory or circulatory failures. Neurological complications are typically represented by acute ischemic or hemorrhagic lesions, which induce higher morbidity and mortality. The primary goal of this study was to assess the prognostic value of cerebral tissue oxygen saturation (StcO2) on mortality in neonates and young infants treated with ECMO. A secondary objective was to evaluate the association between StcO2 and the occurrence of cerebral lesions...
2017: PloS One
https://www.readbyqxmd.com/read/28278217/passive-hypothermia-%C3%A2-35-36%C3%A2-c-during-transport-of-newborns-with-hypoxic-ischaemic-encephalopathy
#19
Aurélie Sellam, Noëlla Lode, Azzedine Ayachi, Gilles Jourdain, Stéphane Dauger, Peter Jones
BACKGROUND: Hypothermia initiated in the first six hours of life in term infants with hypoxic ischemic encephalopathy reduces the risk of death and severe neurological sequelae. Our study's principal objective was to evaluate transport predictors potentially influencing arrival in NICU (Neonatal Intensive Care Unit) at a temperature ≥35-<36°C. METHODOLOGY/PRINCIPAL FINDINGS: A multi-centric, prospective cohort study was conducted during 18 months by the three Neonatal Transport Teams and 13 NICUs...
2017: PloS One
https://www.readbyqxmd.com/read/28277555/frequency-and-causes-of-hypotonia-in-neonatal-period-with-the-gestational-age-of-more-than-36-weeks-in-nicu-of-mofid-children-hospital-tehran-iran-during-2012-2014
#20
Nosratollah Seyed Shahabi, Hossain Fakhraee, Mohammad Kazemian, Abolfazl Afjeh, Minoo Fallahi, Maryam Shariati, Fatemeh Gorji
OBJECTIVE: Hypotonia is a serious neurologic problem in neonatal period. Although hypotonia is a nonspecific clinical finding but it is the most common motor disorder in the newborn. The objective of this study was to determine the frequency of neonatal hypotonia then to ascertain of the most common causes. MATERIALS & METHODS: This cross -sectional prospective study was carried out on the 3281 term infants hospitalized in conventional and NICU of Mofid Children Hospital, Tehran, Iran during 2012-2014...
2017: Iranian Journal of Child Neurology
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