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Hypoxic ischaemic encephalopathy

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https://www.readbyqxmd.com/read/29213143/lactate-as-an-early-predictor-of-psychomotor-development-in-neonates-with-asphyxia-receiving-therapeutic-hypothermia
#1
Renata Polackova, Dana Salounova, Lumir Kantor
AIMS: This prospective study aimed to evaluate the relationship between persistently elevated lactate values in the arterial blood of newborns with grade II and III hypoxic ischemic encephalopathy (treated with therapeutic hypothermia) and psychomotor development at 24 months. METHODS: 51 neonates of gestational age from 36 to 41 weeks receiving therapeutic hypothermia for moderate to severe hypoxic ischaemic encephalopathy had arterial blood lactate levels regularly analysed...
December 4, 2017: Biomedical Papers of the Medical Faculty of the University Palacký, Olomouc, Czechoslovakia
https://www.readbyqxmd.com/read/29196306/perinatal-infratentorial-haemorrhage-a-rare-but-possibly-life-threatening-condition
#2
Bettina Cornelia Henzi, Bendicht Wagner, Rajeev Kumar Verma, Sandra Bigi
BACKGROUND: Perinatal infratentorial haemorrhage (PIH) is a rare birth complication associated with abnormal labour. CASE PRESENTATION: A baby boy was born by vacuum extraction at 41 weeks' gestational age. The pregnancy was uneventful and Apgar scores were 3/6/9. Following initial resuscitation, insufficient and irregular breathing, non-reactive pupils and absence of spontaneous movements were noted. A diagnosis of perinatal asphyxia with hypoxic-ischaemic encephalopathy (HIE) was considered...
December 1, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/29180541/neonatal-brain-injuries-in-england-population-based-incidence-derived-from-routinely-recorded-clinical-data-held-in-the-national-neonatal-research-database
#3
Chris Gale, Yevgeniy Statnikov, Sena Jawad, Sabita N Uthaya, Neena Modi
OBJECTIVE: In 2015, the Department of Health in England announced an ambition to reduce 'brain injuries occurring during or soon after birth'. We describe the development of a pragmatic case definition and present annual incidence rates. DESIGN: Retrospective cohort study using data held in the National Neonatal Research Database (NNRD) extracted from neonatal electronic patient records from all National Health Service (NHS) neonatal units in England, Wales and Scotland...
October 22, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/29171918/asphyxiated-neonates-who-received-active-therapeutic-hypothermia-during-transport-had-higher-rates-of-hypocapnia-than-controls
#4
Eniko Szakmar, Kata Kovacs, Unoke Meder, Geza Bokodi, Andras Szell, Zsolt Somogyvari, Attila J Szabo, Miklos Szabo, Agnes Jermendy
AIM: We investigated the association between active hypothermia and hypocapnia in neonates with moderate to severe hypoxic-ischaemic encephalopathy (HIE) transported after birth. METHODS: This was a retrospective cohort study of neonates with HIE born between 2007-2011 and transported to Semmelweis University, Hungary, for hypothermia treatment before and after we introduced active cooling during transport in 2009. Of these, 71 received intensive care plus controlled active hypothermia during transport, while the 46 controls just received standard intensive care...
November 24, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/29056588/neonatal-brain-injuries-in-england-population-based-incidence-derived-from-routinely-recorded-clinical-data-held-in-the-national-neonatal-research-database
#5
Chris Gale, Yevgeniy Statnikov, Sena Jawad, Sabita N Uthaya, Neena Modi
OBJECTIVE: In 2015, the Department of Health in England announced an ambition to reduce 'brain injuries occurring during or soon after birth'. We describe the development of a pragmatic case definition and present annual incidence rates. DESIGN: Retrospective cohort study using data held in the National Neonatal Research Database (NNRD) extracted from neonatal electronic patient records from all National Health Service (NHS) neonatal units in England, Wales and Scotland...
October 22, 2017: Archives of Disease in Childhood. Fetal and Neonatal Edition
https://www.readbyqxmd.com/read/28940525/estimation-of-initial-phenobarbital-dosing-in-term-neonates-with-moderate-to-severe-hypoxic-ischaemic-encephalopathy-following-perinatal-asphyxia
#6
M Šíma, P Pokorná, J Hartinger, O Slanař
WHAT IS KNOWN AND OBJECTIVE: Phenobarbital is the first-line treatment of seizures in asphyxiated neonates; however, due to the high pharmacokinetic variability in this population, there is no consensus on the optimal dosage regimen. This study was conducted to identify variables that affect phenobarbital fate during routine clinical care and then to evaluate the dosage schedule that could be applied in term asphyxiated neonates with respect to achieving the target therapeutic range. METHODS: Phenobarbital pharmacokinetics was calculated based on serum concentrations measurements using one-compartmental model...
September 22, 2017: Journal of Clinical Pharmacy and Therapeutics
https://www.readbyqxmd.com/read/28939695/oxidative-stress-and-endoplasmic-reticulum-er-stress-in-the-development-of-neonatal-hypoxic-ischaemic-brain-injury
#7
REVIEW
Claire Thornton, Ana A Baburamani, Anton Kichev, Henrik Hagberg
Birth asphyxia in term neonates affects 1-2/1000 live births and results in the development of hypoxic-ischaemic encephalopathy with devastating life-long consequences. The majority of neuronal cell death occurs with a delay, providing the potential of a treatment window within which to act. Currently, treatment options are limited to therapeutic hypothermia which is not universally successful. To identify new interventions, we need to understand the molecular mechanisms underlying the injury. Here, we provide an overview of the contribution of both oxidative stress and endoplasmic reticulum stress in the development of neonatal brain injury and identify current preclinical therapeutic strategies...
October 15, 2017: Biochemical Society Transactions
https://www.readbyqxmd.com/read/28893058/serratia-marcescens-infection-or-hypoxic-ischaemic-encephalopathy-in-neonates-is-magnetic-resonance-imaging-a-problem-solving-tool
#8
D Narese, C Auriti, D Longo
No abstract text is available yet for this article.
May 1, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28845537/cerebral-blood-flow-velocities-and-cerebrovascular-resistance-in-normal-term-neonates-in-the-first-72-hours
#9
Danielle E Forster, Emmanuel Koumoundouros, Virginia Saxton, Gabrielle Fedai, James Holberton
AIM: To determine the range of cerebral blood flow velocities (CBFVs) and Doppler indices of cerebrovascular resistance in normal-term neonates as a baseline for a study of hypoxic-ischaemic encephalopathy. METHODS: The CBFVs, resistive index (RI) and pulsatility index (PI) were measured in the anterior and middle cerebral arteries (ACA and MCA) of 38 normal neonates. RESULTS: The mean peak systolic, end diastolic and time-averaged velocities (PSV, EDV and TAV) were 36...
August 28, 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28844055/what-is-mr-spectroscopy
#10
Karen Angela Manias, Andrew Peet
(1)H-Magnetic Resonance Spectroscopy (MRS) is a novel advanced imaging technique used as an adjunct to MRI to reveal complementary non-invasive information about the biochemical composition of imaged tissue. Clinical uses in paediatrics include aiding diagnosis of brain tumours, neonatal disorders such as hypoxic-ischaemic encephalopathy, inherited metabolic diseases, traumatic brain injury, demyelinating conditions and infectious brain lesions. MRS has potential to improve diagnosis and treatment monitoring of childhood brain tumours and other CNS diseases, facilitate biopsy and surgical planning, and provide prognostic biomarkers...
August 26, 2017: Archives of Disease in Childhood. Education and Practice Edition
https://www.readbyqxmd.com/read/28840775/untargeted-metabolomic-analysis-and-pathway-discovery-in-perinatal-asphyxia-and-hypoxic-ischaemic-encephalopathy
#11
Niamh M Denihan, Jennifer A Kirwan, Brian H Walsh, Warwick B Dunn, David I Broadhurst, Geraldine B Boylan, Deirdre M Murray
Elucidating metabolic effects of hypoxic-ischaemic encephalopathy (HIE) may reveal early biomarkers of injury and new treatment targets. This study uses untargeted metabolomics to examine early metabolic alterations in a carefully defined neonatal population. Infants with perinatal asphyxia who were resuscitated at birth and recovered (PA group), those who developed HIE (HIE group) and healthy controls were all recruited at birth. Metabolomic analysis of cord blood was performed using direct infusion FT-ICR mass spectrometry...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28764944/-incidence-of-hypoxic-ischaemic-encephalopathy-and-use-of-therapeutic-hypothermia-in-spain
#12
Juan Arnaez, Alfredo García-Alix, Gemma Arca, Eva Valverde, Sonia Caserío, M Teresa Moral, Isabel Benavente-Fernández, Simón Lubián-López
INTRODUCTION: There are no data on the incidence of hypoxic-ischaemic encephalopathy (HIE) and the implementation of therapeutic hypothermia (TH) in Spain. METHODS: This is a cross-sectional, national study, performed using an on-line questionnaire targeting level III neonatal care units in Spain. Participants were requested to provide data of all newborns ≥ 35 weeks of gestational age diagnosed with moderate-severe HIE over a two year-period (2012-2013), and of the implementation of TH up to June 2015...
July 29, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28743959/continual-conscious-bioluminescent-imaging-in-freely-moving-somatotransgenic-mice
#13
Rajvinder Karda, Dany P Perocheau, Natalie Suff, Joanne Ng, Juliette M K M Delhove, Suzanne M K Buckley, Samantha Richards, John R Counsell, Henrik Hagberg, Mark R Johnson, Tristan R McKay, Simon N Waddington
Luciferase bioimaging in living animals is increasingly being applied in many fields of biomedical research. Rodent imaging usually involves anaesthetising the animal during data capture, however, the biological consequences of anaesthesia have been largely overlooked. We have evaluated luciferase bioimaging in conscious, unrestrained mice after neonatal intracranial or intravascular administration of lentiviral, luciferase reporter cassettes (biosensors); we present real-time analyses from the first day of life to adulthood...
July 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28706102/a-method-to-assess-obstetric-outcomes-using-the-10-group-classification-system-a-quantitative-descriptive-study
#14
Janne Rossen, Miha Lucovnik, Torbjørn Moe Eggebø, Natasa Tul, Martina Murphy, Ingvild Vistad, Michael Robson
OBJECTIVES: Internationally, the 10-Group Classification System (TGCS) has been used to report caesarean section rates, but analysis of other outcomes is also recommended. We now aim to present the TGCS as a method to assess outcomes of labour and delivery using routine collection of perinatal information. DESIGN: This research is a methodological study to describe the use of the TGCS. SETTING: Stavanger University Hospital (SUH), Norway, National Maternity Hospital Dublin, Ireland and Slovenian National Perinatal Database (SLO), Slovenia...
July 12, 2017: BMJ Open
https://www.readbyqxmd.com/read/28648719/modification-to-the-rice-vannucci-perinatal-hypoxic-ischaemic-encephalopathy-model-in-the-p7-rat-improves-the-reliability-of-cerebral-infarct-development-after-48hours
#15
Adam B Edwards, Kirk W Feindel, Jane L Cross, Ryan S Anderton, Vincent W Clark, Neville W Knuckey, Bruno P Meloni
BACKGROUND: The Rice-Vannucci model of hypoxic-ischaemic encephalopathy (HIE) has been associated with a high degree of variability with respect to the development of cerebral infarction and infarct lesion volume. For this reason, we examined the occurrence of communicational blood flow within the common carotid (CCA), internal (ICA), and external (ECA) carotid arteries following CCA occlusion as a source of variability in the model. NEW METHOD: We propose a novel modification to the Rice-Vannucci model, whereby both the CCA and ECA are permanently ligated; mitigating communicational blood flow...
June 23, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28648366/-oxidative-stress-in-perinatal-asphyxia-and-hypoxic-ischaemic-encephalopathy
#16
Antonio Nuñez, Isabel Benavente, Dorotea Blanco, Héctor Boix, Fernando Cabañas, Mercedes Chaffanel, Belén Fernández-Colomer, José Ramón Fernández-Lorenzo, Begoña Loureiro, María Teresa Moral, Antonio Pavón, Inés Tofé, Eva Valverde, Máximo Vento
Birth asphyxia is one of the principal causes of early neonatal death. In survivors it may evolve to hypoxic-ischaemic encephalopathy and major long-term neurological morbidity. Prolonged and intense asphyxia will lead to energy exhaustion in tissues exclusively dependent on aerobic metabolism, such as the central nervous system. Energy deficit leads to ATP-dependent pumps blockage, with the subsequent loss of neuronal transmembrane potential. The most sensitive areas of the brain will die due to necrosis. In more resistant areas, neuronal hyper-excitability, massive entrance of ionic calcium, activation of NO-synthase, free radical generation, and alteration in mitochondrial metabolism will lead to a secondary energy failure and programmed neuronal death by means of the activation of the caspase pathways...
June 23, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28637367/parental-perceptions-of-hypothermia-treatment-for-neonatal-hypoxic-ischaemic-encephalopathy
#17
Balamurugan Thyagarajan, Vijay Baral, Ranjit Gunda, Denise Hart, Lisa Leppard, Brigitte Vollmer
AIMS: Hypothermia Treatment (HT) is now the standard care for neonatal hypoxic-ischaemic encephalopathy (HIE). We conducted a survey to explore parental perceptions of HT as there is little information about this in the current literature. METHODS: Postal questionnaire survey included families (n = 51) whose babies received HT at Princess Anne Hospital, Southampton, UK, with 23 questions covering communication, clinical management, follow-up, and care in general...
July 11, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28589638/inter-observer-reliability-in-reading-amplitude-integrated-electroencephalogram-in-the-newborn-intensive-care-unit
#18
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...
October 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28582997/breastfeeding-and-swallowing-in-a-neonate-with-mild-hypoxic-ischaemic-encephalopathy
#19
Esedra Krüger, Alta Kritzinger, Lidia Pottas
BACKGROUND: Specific breastfeeding and swallowing characteristics in neonates with hypoxic-ischaemic encephalopathy (HIE) have not yet been well described in the literature. Considering the relatively high incidence of HIE in resource-poor settings, speech-language therapists should be cognisant of the feeding difficulties in this population during breastfeeding. OBJECTIVE: To systematically describe the breastfeeding and swallowing of a single case of a neonate diagnosed with mild HIE from admission to discharge...
May 22, 2017: South African Journal of Communication Disorders. die Suid-Afrikaanse Tydskrif Vir Kommunikasieafwykings
https://www.readbyqxmd.com/read/28562652/correction-passive-hypothermia-%C3%A2-35-36%C3%A2-c-during-transport-of-newborns-with-hypoxic-ischaemic-encephalopathy
#20
Aurélie Sellam, Noëlla Lode, Azzedine Ayachi, Gilles Jourdain, Jean-Louis Chabernaud, Stéphane Dauger, Peter Jones
[This corrects the article DOI: 10.1371/journal.pone.0170100.].
2017: PloS One
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