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neonatal therapeutic hypothermia

Heather Campbell, Rathinaswamy B Govindan, Srinivas Kota, Tareq Al-Shargabi, Marina Metzler, Nickie Andescavage, Taeun Chang, Gilbert Vezina, Adre du Plessis, An N Massaro
OBJECTIVE: To evaluate whether infants with hypoxic-ischemic encephalopathy and evidence of autonomic dysfunction have aberrant physiological responses to care events that could contribute to evolving brain injury. STUDY DESIGN: Continuous tracings of heart rate (HR), blood pressure (BP), cerebral near infrared spectroscopy, and video electroencephalogram data were recorded from newborn infants with hypoxic-ischemic encephalopathy who were treated with hypothermia...
March 6, 2018: Journal of Pediatrics
Sandra E Juul, Bryan A Comstock, Patrick J Heagerty, Dennis E Mayock, Amy M Goodman, Stephanie Hauge, Fernando Gonzalez, Yvonne W Wu
BACKGROUND: Hypoxic-ischemic encephalopathy (HIE) remains an important cause of neonatal death and frequently leads to significant long-term disability in survivors. Therapeutic hypothermia, while beneficial, still leaves many treated infants with lifelong disabilities. Adjunctive therapies are needed, and erythropoietin (Epo) has the potential to provide additional neuroprotection. OBJECTIVES: The aim of this study was to review the current incidence, mechanism of injury, and sequelae of HIE, and to describe a new phase III randomized, placebo-controlled trial of Epo neuroprotection in term and near-term infants with moderate to severe HIE treated with therapeutic hypothermia...
March 7, 2018: Neonatology
Renato S Procianoy, Andrea Lucia A Corso, Maria Gabriela Longo, Leonardo Vedolin, Rita C Silveira
OBJECTIVE: To determine the neurodevelopment outcomes after Therapeutic Hypothermia for Neonatal Hypoxic-Ischemic Encephalopathy (HIE) and identify the neonatal Magnetic Resonance Imaging (MRI) findings associated with neurological outcome in a middle-income country. STUDY DESIGN: All infants born after 35 completed weeks' gestation with signs of moderate to severe encephalopathy and evidence of perinatal asphyxia before 6 hours of life were submitted to whole-body hypothermia and were imaged at 18 ± 8...
March 4, 2018: Journal of Maternal-fetal & Neonatal Medicine
Suneeti Gupta, Jayapalli Rajiv Bapuraj, Gabrielle Carlson, Emily Trumpower, Ronald E Dechert, Subrata Sarkar
BACKGROUND: Asphyxiated infants treated with therapeutic cooling can have persistent oral feeding difficulty because of involvement of neural pathways in the brainstem, cortex, and basal ganglia. The goal is to predict the composite adverse outcome of death or persistent oral feeding difficulty using precooling/cooling attributes, and the severity and distribution of hypoxic-ischemic lesions, especially brainstem lesions on post-cooling brain magnetic resonance imaging (MRI). METHODS: Retrospective review of 86 asphyxiated infants cooled from January 2006 to August 2014...
February 27, 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
Ingrid Frid, Johan Ågren, Mattias Kjellberg, Erik Normann, Richard Sindelar
AIM: This study evaluated the medical quality of acute airborne transports carried out by a neonatal emergency transport service in a Swedish healthcare region from 2012-2015. METHODS: The transport charts and patient records of all infants transported to the regional centre were reviewed for transport indications and vital parameters and outcomes. RESULTS: We identified 187 acute airborne transports and the main indications for referral were therapeutic hypothermia after perinatal asphyxia, extremely preterm birth and respiratory failure...
February 26, 2018: Acta Paediatrica
Brigitte Lemyre, Linh Ly, Vann Chau, Anil Chacko, Nicholas Barrowman, Hilary Whyte, Steven P Miller
Objective: To identify factors associated with early initiation and achievement of therapeutic hypothermia (TH) in newborns with hypoxic-ischemic encephalopathy (HIE). Methods: Retrospective cohort study of newborns who received TH according to National Institute of Child Health and Human Development (NICHD) criteria in two academic level 3 Neonatal Intensive Care Units (NICU) between 2009 and 2013. All infants were transported by a neonatal transport team (NNTT)...
August 2017: Paediatrics & Child Health
Henry H Cheng, Satish K Rajagopal, Arnold J Sansevere, Erica McDavitt, Daniel Wigmore, Jessica Mecklosky, Kristofer Andren, Kathryn Williams, Amy Danehy, Janet S Soul
BACKGROUND: While therapeutic hypothermia (TH) is an effective neuroprotective therapy for neonatal hypoxic-ischemic encephalopathy, TH has not been demonstrated to improve outcome in other pediatric populations. Patients with acquired or congenital heart disease (CHD) are at high risk of both cardiac arrest and neurodevelopmental impairments, and therapies are needed to improve neurologic outcome. The primary goal of our study was to compare safety/efficacy outcomes in post-arrest CHD patients treated with TH versus controls not treated with TH...
February 21, 2018: Resuscitation
Molly Potter, Ted Rosenkrantz, R Holly Fitch
The current study investigated behavioral and post mortem neuroanatomical outcomes in Wistar rats with a neonatal hypoxic-ischemic (HI) brain injury induced on postnatal day 6 (P6; Rice-Vannucci HI method; Rice et al., 1981). This preparation models brain injury seen in premature infants (gestational age (GA) 32-35 weeks) based on shared neurodevelopmental markers at time of insult, coupled with similar neuropathologic sequelae (Rice et al., 1981; Workman et al., 2013). Clinically, HI insult during this window is associated with poor outcomes that include attention deficit hyperactivity disorder (ADHD), motor coordination deficits, spatial memory deficits, and language/learning disabilities...
February 21, 2018: International Journal of Developmental Neuroscience
Kiran S More, Pankaj Sakhuja, Regan E Giesinger, Joseph Y Ting, Matthew Keyzers, Jesal N Sheth, Anie Lapointe, Amish Jain, Aideen M Moore, Steven P Miller, Patrick J McNamara
OBJECTIVE:  This article compares hemodynamic characteristics of neonates with hypoxic ischemic encephalopathy (HIE) receiving therapeutic hypothermia (TH) with normal versus abnormal brain magnetic resonance imaging (MRI). METHODS:  Serial echocardiography (echo) was performed within 24 hours, after 48 to 72 hours of cooling, within 24 hours of normothermia, and after starting feeds. Pulmonary hemodynamics, cardiac output, and ventricular function were evaluated...
February 23, 2018: American Journal of Perinatology
Monica E Lemmon, Pamela K Donohue, Erin P Williams, Debra Brandon, Peter A Ubel, Renee D Boss
OBJECTIVE: To develop a question prompt list tailored to the needs of parents of critically ill infants at risk of neurodevelopmental impairment. STUDY DESIGN: Question content was derived from audio-recorded neonatal intensive care unit family meetings and interviews with parents of infants treated with therapeutic hypothermia. Question content was refined using clinician focus groups. Acceptability testing was performed with parents and clinicians caring for infants in the neonatal intensive care unit...
February 22, 2018: Journal of Perinatology: Official Journal of the California Perinatal Association
Hans Jørgen Timm Guthe, Torbjørn Nedrebø, Jan Kristian Damås, Helge Wiig, Ansgar Berg
BACKGROUND: Therapeutic hypothermia is neuroprotective in asphyxiated neonates by counteracting mechanisms contributing to brain injury. Although an initial increased permeability is part of an inflammatory reaction and thereby a natural healing process, an excessive endothelial permeability with edema formation may result in impaired hemodynamics. Reduced permeability may, however, benefit healing. Although plasma and interstitial colloid osmotic pressure are accessible and essential parameters for understanding fluid imbalance, the mechanisms of fluid exchange remain poorly understood...
February 23, 2018: BMC Pediatrics
Isabel Benavente-Fernandez, Juan J Ramos-Rodriguez, Carmen Infante-Garcia, Gema Jimenez-Gomez, Alfonso Lechuga-Sancho, Simon Lubian-Lopez, Monica Garcia-Alloza
Hypoxic-ischemic encephalopathy (HIE) is a severe neonatal complication responsible for ∼23% of all neonatal deaths. Also, 30-70% of these patients will suffer lifetime disabilities, including learning impairment, epilepsy or cerebral palsy. However, biomarkers for HIE screening, or monitoring disease progression are limited. Herein, we sought to evaluate the clinical usefulness of plasma-type gelsolin (pGSN) and amyloid-beta (Aβ) 40 and 42 as prognostic biomarkers for HIE. pGSN has been previously suggested as a feasible marker in other brain injuries and amyloid-beta 40 and 42 are classically assessed in neurodegenerative diseases...
January 1, 2018: Journal of Cerebral Blood Flow and Metabolism
Lena Liljestrom, Anna-Karin Wikstrom, Johan Agren, Maria Jonsson
INTRODUCTION: Our aim was to identify antepartum risk factors for neonatal hypoxic ischemic encephalopathy, with a focus on maternal body mass index and height. MATERIAL AND METHODS: National population-based cohort study of 692 428 live-born infants ≥36 gestational weeks in Sweden, 2009-2015. Data from the Swedish Medical Birth Register and the Swedish Neonatal Quality Register were linked. Short maternal stature was defined as ≤155 cm, and overweight as body mass index ≥25 kg/m2 ...
February 16, 2018: Acta Obstetricia et Gynecologica Scandinavica
Hannah C Glass
PURPOSE OF REVIEW: Neonatal encephalopathy is the most common condition in neonates encountered by child neurologists. The etiology is most often global hypoxia-ischemia due to failure of cerebral perfusion to the fetus caused by uterine, placental, or umbilical cord compromise prior to or during delivery. Other etiologies of neonatal encephalopathy include ischemic stroke and intracranial hemorrhage, infection, developmental anomalies, and inborn errors of metabolism. RECENT FINDINGS: Therapeutic hypothermia is standard of care for the treatment of neonatal encephalopathy presumed to be caused by hypoxia-ischemia...
February 2018: Continuum: Lifelong Learning in Neurology
Shyam Dewan, Samantha Schimmel, Cesar V Borlongan
Neonatal traumatic brain injury (TBI) is a significant cause of developmental disorders. Autologous stem cell therapy may enhance neonatal brain plasticity towards repair of the injured neonatal brain. Areas Covered: The endogenous neonatal anti-inflammatory response can be enhanced by biological treatments. Stem cell therapy stands as a robust approach for sequestering the inflammation-induced cell death in the injured brain. Here, we discuss the use of umbilical cord blood cells and bone marrow stromal cells for acute and chronic treatment of experimental neonatal TBI...
February 9, 2018: Expert Opinion on Biological Therapy
Katsumi Hayakawa, Sachiko Koshino, Koichi Tanda, Akira Nishimura, Osamu Sato, Hiroyuki Morishita, Takaaki Ito
BACKGROUND: Pseudonormalization of diffusion-weighted magnetic resonance imaging (MRI) can lead to underestimation of brain injury in newborns with hypoxic-ischemic encephalopathy (HIE), posing a significant problem. We have noticed that some neonates show pseudonormalization negativity on diffusion-weighted imaging. OBJECTIVE: To compare pseudonormalization negativity with clinical outcomes. MATERIALS AND METHODS: Seventeen term neonates with moderate or severe HIE underwent therapeutic hypothermia...
February 7, 2018: Pediatric Radiology
Laura Goetzl, Nana Merabova, Nune Darbinian, Diana Martirosyan, Erica Poletto, Keri Fugarolas, Ogechukwu Menkiti
Objective: Neuronal exosomes purified from peripheral blood samples have been proposed as diagnostic tool in the setting of acute brain injury but never tested clinically. We hypothesized that exosome protein biomarkers would change over time following acute hypoxic brain injury and would predict response to therapy. Methods: Synaptopodin (SYNPO), an actin-associated protein present in postsynaptic spines, was evaluated as a potential biomarker as well as: synaptophysin, neuron-specific enolase, and mitochondrial cytochrome c oxidase...
January 2018: Annals of Clinical and Translational Neurology
Carol A Keohane, Kathy Dwyer, Jason Boulanger, Katherine Zigmont, Astrid Babayan, Elizabeth Cushing, Brian Walsh
Implementing evolving science into clinical practice remains challenging. Assimilating new scientific evidence into clinical protocols and best practice recommendations, in a timely manner, can be difficult. In this article, we examine the value of partnering with a captive medical malpractice insurance company and its Patient Safety Organization to use data and convening opportunities to build upon the principles of implementation science and foster efficient and widespread adoption of the most current evidence-based interventions...
January 2018: Journal of Perinatal & Neonatal Nursing
Ernest M Graham, Allen D Everett, Jean-Christophe Delpech, Frances J Northington
PURPOSE OF REVIEW: The rapid progress in biomarker science is on the threshold of significantly changing clinical care for infants in the neonatal ICU. Infants with neonatal brain injuries will likely be the first group whose management is dramatically altered with point-of-care, rapidly available brain biomarker analysis. Providing an interim update on progress in this area is the purpose of this review. RECENT FINDINGS: Highlighted findings from the past 18 months of publications on biomarkers in neonatal brain injury include; Specific nonbrain markers of cardiac health and global asphyxia continue to provide information on brain injury after hypoxic-ischemic encephalopathy (HIE)...
January 17, 2018: Current Opinion in Pediatrics
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