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Perinatal asphyxia

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https://www.readbyqxmd.com/read/29680084/no-197b-fetal-health-surveillance-intrapartum-consensus-guideline
#1
Robert Liston, Diane Sawchuck, David Young
OBJECTIVE: This guideline provides new recommendations pertaining to the application and documentation of fetal surveillance in the intrapartum period that will decrease the incidence of birth asphyxia while maintaining the lowest possible rate of obstetrical intervention. Pregnancies with and without risk factors for adverse perinatal outcomes are considered. This guideline presents an alternative classification system for antenatal fetal non-stress testing and intrapartum electronic fetal surveillance to what has been used previously...
April 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29680082/no-197a-fetal-health-surveillance-antepartum-consensus-guideline
#2
Robert Liston, Diane Sawchuck, David Young
OBJECTIVE: This guideline provides new recommendations pertaining to the application and documentation of fetal surveillance in the antepartum period that will decrease the incidence of birth asphyxia while maintaining the lowest possible rate of obstetrical intervention. Pregnancies with and without risk factors for adverse perinatal outcomes are considered. This guideline presents an alternative classification system for antenatal fetal non-stress testing to what has been used previously...
April 2018: Journal of Obstetrics and Gynaecology Canada: JOGC, Journal D'obstétrique et Gynécologie du Canada: JOGC
https://www.readbyqxmd.com/read/29668681/a-longitudinal-1h-nmr-metabolomics-analysis-of-urine-from-newborns-with-hypoxic-ischemic-encephalopathy-undergoing-hypothermia-therapy-clinical-and-medical-legal-insights
#3
Emanuela Locci, Antonio Noto, Melania Puddu, Giulia Pomero, Roberto Demontis, Cristina Dalmazzo, Antonio Delogu, Vassilios Fanos, Ernesto d'Aloja, Paolo Gancia
Perinatal asphyxia is an event affecting around four million newborns worldwide. The 0.5 to 2 per 1000 of full term asphyxiated newborns suffer from hypoxic-ischemic encephalopathy (HIE), which is a frequent cause of death or severe disability and, as consequence, the most common birth injury claim for obstetrics, gynaecologists, and paediatricians. Perinatal asphyxia results from a compromised gas exchange that leads to hypoxemia, hypercapnia, and metabolic acidosis. In this work, we applied a metabolomics approach to investigate the metabolic profiles of urine samples collected from full term asphyxiated newborns with HIE undergoing therapeutic hypothermia (TH), with the aim of identifying a pattern of metabolites associated with HIE and to follow their modifications over time...
2018: PloS One
https://www.readbyqxmd.com/read/29662433/palmitoylethanolamide-ameliorates-hippocampal-damage-and-behavioral-dysfunction-after-perinatal-asphyxia-in-the-immature-rat-brain
#4
María I Herrera, Lucas D Udovin, Nicolás Toro-Urrego, Carlos F Kusnier, Juan P Luaces, Francisco Capani
Perinatal asphyxia (PA) is an obstetric complication associated with an impaired gas exchange. This health problem continues to be a determinant of neonatal mortality and neurodevelopmental disorders. Palmitoylethanolamide (PEA) has exerted neuroprotection in several models of brain injury and neurodegeneration. We aimed at evaluating the potential neuroprotective role of PEA in an experimental model, which induces PA in the immature rat brain. PA was induced by placing Sprague Dawley newborn rats in a water bath at 37°C for 19 min...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29651324/cerebellum-susceptibility-to-neonatal-asphyxia-possible-protective-effects-of-n-acetylcysteine-amide
#5
T Benterud, S Manueldas, S Rivera, E Henckel, E M Løberg, S Norgren, L O Baumbusch, R Solberg, O D Saugstad
Background: After perinatal asphyxia, the cerebellum presents more damage than previously suggested. Objectives: To explore if the antioxidant N-acetylcysteine amide (NACA) could reduce cerebellar injury after hypoxia-reoxygenation in a neonatal pig model. Methods: Twenty-four newborn pigs in two intervention groups were exposed to 8% oxygen and hypercapnia, until base excess fell to -20 mmol/l or the mean arterial blood pressure declined to <20 mmHg...
2018: Disease Markers
https://www.readbyqxmd.com/read/29621920/medically-indicated-late-preterm-delivery-and-its-impact-on-perinatal-morbidity-and-mortality-a-retrospective-population-based-cohort-study
#6
Limor Besser, Liat Sabag-Shaviv, Maayan Yitshak-Sade, Salvatore Andrea Mastrolia, Danielle Landau, Ruthy Beer-Weisel, Vered Klaitman, Neta Benshalom-Tirosh, Moshe Mazor, Offer Erez
OBJECTIVE: In the last few decades, attention has been focused on morbidity and mortality associated with late preterm delivery (34-36 + 6/7 weeks), accounting for 60-70% of all preterm births. This study is aimed to determine: 1) the prevalence of late preterm deliveries (spontaneous and medically indicated) in our population; and 2) the rate of neonatal morbidity and mortality as well as maternal complications associated with the different phenotypes of late preterm deliveries. STUDY DESIGN: This retrospective population based cohort study, included 96 176 women who had 257 182 deliveries, occurred between 1988 and 2011, allocated into three groups: term (n = 242 286), spontaneous (n = 10 063) and medically indicated (n = 4833) late preterm deliveries...
April 5, 2018: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29582399/perinatal-asphyxia-and-brain-development-mitochondrial-damage-without-anatomical-or-cellular-losses
#7
Jean Pierre Mendes Lima, Danielle Rayêe, Thaia Silva-Rodrigues, Paula Ribeiro Paes Pereira, Ana Paula Miranda Mendonca, Clara Rodrigues-Ferreira, Diego Szczupak, Anna Fonseca, Marcus F Oliveira, Flavia Regina Souza Lima, Roberto Lent, Antonio Galina, Daniela Uziel
Perinatal asphyxia remains a significant cause of neonatal mortality and is associated with long-term neurodegenerative disorders. In the present study, we evaluated cellular and subcellular damages to brain development in a model of mild perinatal asphyxia. Survival rate in the experimental group was 67%. One hour after the insult, intraperitoneally injected Evans blue could be detected in the fetuses' brains, indicating disruption of the blood-brain barrier. Although brain mass and absolute cell numbers (neurons and non-neurons) were not reduced after perinatal asphyxia immediately and in late brain development, subcellular alterations were detected...
March 26, 2018: Molecular Neurobiology
https://www.readbyqxmd.com/read/29572829/time-and-sex-dependent-effects-of-magnesium-sulphate-on-post-asphyxial-seizures-in-preterm-fetal-sheep
#8
Laura Bennet, Robert Galinsky, Vittoria Draghi, Christopher A Lear, Joanne O Davidson, Charles P Unsworth, Alistair J Gunn
Seizures are common in newborns after asphyxia at birth and are often refractory to anti-seizure agents. Magnesium sulphate (MgSO4 ) has anticonvulsant effects and is increasingly given to women in preterm labour for potential neuroprotection. There is limited information on its effects on perinatal seizures. We examined the hypothesis that MgSO4 infusion would reduce fetal seizures after asphyxia in utero. Preterm fetal sheep at 0.7 gestation (104 days, term = 147 days) were given intravenous infusions of either saline (n = 13) or MgSO4 (n = 12, 160 mg bolus + 48 mg h-1 infusion over 48 h)...
March 23, 2018: Journal of Physiology
https://www.readbyqxmd.com/read/29566729/intrauterine-resuscitation-during-the-second-stage-of-term-labour-by-maternal-hyperoxygenation-versus-conventional-care-study-protocol-for-a-randomised-controlled-trial-interest-o2
#9
Lauren M Bullens, Alexandra D J Hulsenboom, Suzanne Moors, Rohan Joshi, Pieter J van Runnard Heimel, M Beatrijs van der Hout-van der Jagt, Edwin R van den Heuvel, S Guid Oei
BACKGROUND: Perinatal asphyxia is, even in developed countries, one the major causes of neonatal morbidity and mortality. Therefore, if foetal distress during labour is suspected, one should try to restore foetal oxygen levels or aim for immediate delivery. However, studies on the effect of intrauterine resuscitation during labour are scarce. We designed a randomised controlled trial to investigate the effect of maternal hyperoxygenation on the foetal condition. In this study, maternal hyperoxygenation is induced for the treatment of foetal distress during the second stage of term labour...
March 23, 2018: Trials
https://www.readbyqxmd.com/read/29538366/prenatal-perinatal-and-neonatal-risk-factors-of-autism-spectrum-disorder
#10
Elizabeth Hisle-Gorman, Apryl Susi, Theophil Stokes, Gregory Gorman, Christine Erdie-Lalena, Cade M Nylund
BackgroundWe explored the association of 29 previously reported neonatal, perinatal, and prenatal conditions, and exposures with later diagnosis of autism spectrum disorder (ASD) in a large sample of children followed over multiple years.MethodsA retrospective case-cohort study was formed using the Military Health System database. Cases were identified by International Classification of Diseases, Ninth Revision codes for ASD between 2000 and 2013, and were matched 3:1 with controls on sex, date of birth, and enrollment time frame...
April 18, 2018: Pediatric Research
https://www.readbyqxmd.com/read/29515049/human-amniotic-fluid-stem-cells-therapeutic-potential-for-perinatal-patients-with-intractable-neurological-disease
#11
Daigo Ochiai, Hirotaka Masuda, Yushi Abe, Toshimitsu Otani, Marie Fukutake, Tadashi Matsumoto, Kei Miyakoshi, Mamoru Tanaka
Mesenchymal stem cells (MSCs) have generated great interest in the fields of regenerative medicine and immunotherapy because of their unique biological properties. Among MSCs, amniotic fluid stem cells (AFS) have a number of characteristics that make them attractive candidates for tissue engineering and cell replacement strategies, particularly for perinatal medicine. If various neonatal conditions, including birth asphyxia, preterm birth, and congenital abnormalities, which result in long-lasting severe impairments, could be predicted during pregnancy, it would allow collection of small samples of amniotic fluid cells by amniocentesis...
March 6, 2018: Keio Journal of Medicine
https://www.readbyqxmd.com/read/29510998/hypothermia-for-perinatal-asphyxia-trial-based-quality-of-life-at-6-7-years
#12
Helen Campbell, Oya Eddama, Denis Azzopardi, A David Edwards, Brenda Strohm, Oliver Rivero-Arias
OBJECTIVE: To assess the impact of hypothermic neural rescue at birth on health-related quality of life (HRQL) in middle childhood. DESIGN: Six-year to 7-year follow-up of surviving children from the Total Body Hypothermia for Neonatal Encephalopathy (TOBY) Trial. SETTING: Community study including a single parental questionnaire to collect information on children's HRQL. PATIENTS: 145 children (70 in the control group, 75 in the hypothermia group) whose parents consented and returned the questionnaire...
March 6, 2018: Archives of Disease in Childhood
https://www.readbyqxmd.com/read/29507303/impacts-of-different-methods-of-conception-on-the-perinatal-outcome-of-intrahepatic-cholestasis-of-pregnancy-in-twin-pregnancies
#13
Chun Feng, Wen-Juan Li, Rong-Huan He, Xi-Wen Sun, Guirong Wang, Li-Quan Wang
Twin pregnancies have a higher prevalence of intrahepatic cholestasis of pregnancy (ICP) than single pregnancies. It is unknown whether in vitro fertilization-embryo transfer (IVF-ET) influences the fetal outcomes in twin pregnancies complicated by ICP. This study aimed to explore the impact of IVF-ET on the perinatal outcomes of ICP in twin pregnancy. Clinical data from 142 twin pregnant women complicated with ICP were retrospectively analyzed, including 51 patients who conceived through IVF-ET (IVF group) and 91 patients with spontaneous conception (SC group)...
March 5, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29504433/therapeutic-hypothermia-for-neonatal-hypoxic-ischemic-encephalopathy-magnetic-resonance-imaging-findings-and-neurological-outcomes-in-a-brazilian-cohort
#14
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
https://www.readbyqxmd.com/read/29480945/critically-ill-neonates-displayed-stable-vital-parameters-and-reduced-metabolic-acidosis-during-neonatal-emergency-airborne-transport-in-sweden
#15
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
https://www.readbyqxmd.com/read/29472139/amplitude-integrated-electroencephalography-for-seizure-detection-in-newborn-infants
#16
REVIEW
Lena Hellström-Westas
The amplitude-integrated electroencephalogram (aEEG) is a filtered and compressed EEG trend that can be used for long-term monitoring of brain function in patients of all ages. aEEG is increasingly used in neonatal intensive care units since several studies have shown its utility in high-risk newborn infants. Main indications for aEEG monitoring include early evaluation of brain function after perinatal asphyxia and seizure detection. The aEEG is usually recorded from one or two channels derived from parietal, central, or frontal leads...
February 13, 2018: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/29468591/a-rat-model-of-perinatal-seizures-provoked-by-global-hypoxia
#17
Jason A Justice, Russell M Sanchez
Hypoxic-ischemic encephalopathy (HIE) refers to acute brain injury that results from perinatal asphyxia. HIE is a major cause of neonatal seizures, and outcomes can range from apparent recovery to severe cognitive impairment, cerebral palsy, and epilepsy. Acute partial seizures frequently aid in indicating the severity and localization of brain injury. However, evidence also suggests that the occurrence of seizures further increases the likelihood of epilepsy in later life regardless of the severity of the initial injury...
2018: Methods in Molecular Biology
https://www.readbyqxmd.com/read/29464766/systemic-and-transdermal-melatonin-administration-prevents-neuropathology-in-response-to-perinatal-asphyxia-in-newborn-lambs
#18
James D S Aridas, Tamara Yawno, Amy E Sutherland, Ilias Nitsos, Michael Ditchfield, Flora Y Wong, Rod W Hunt, Michael C Fahey, Atul Malhotra, Euan M Wallace, Graham Jenkin, Suzanne L Miller
Perinatal asphyxia remains a principal cause of infant mortality and long term neurological morbidity, particularly in low resource countries. No neuroprotective interventions are currently available. Melatonin (MLT), a potent antioxidant, anti-inflammatory, and anti-apoptotic agent offers promise as an intravenous (IV) or transdermal therapy to protect the brain. We aimed to determine the effect of melatonin (IV or transdermal patch) on neuropathology in a lamb model of perinatal asphyxia. Asphyxia was induced in newborn lambs via umbilical cord occlusion at birth...
February 21, 2018: Journal of Pineal Research
https://www.readbyqxmd.com/read/29459586/risk-factors-and-immediate-neonatal-outcome-of-multiple-pregnancies-in-a-scanu-of-a-tertiary-care-hospital-bangladesh
#19
M N Islam, T Tazmin, M Siddika, M A Hossain, M A Ali, M K Bhuiyan
Multiple pregnancies are a significant risk factor for maternal and perinatal morbidity due to inherent biological risks. The present study was aimed to determine the risk factors and to evaluate the immediate neonatal outcome of multiple pregnancies. This descriptive observational study was conducted in the newly established Special Care Neonatal Unit (SCANU) of Mymensingh Medical College Hospital (MMCH), Bangladesh from January 2015 to March 2015. Total 86 newborns of multiple pregnancies who were admitted during the study period were included in the study...
January 2018: Mymensingh Medical Journal: MMJ
https://www.readbyqxmd.com/read/29441456/knowledge-attitude-and-practice-kap-study-of-pediatricians-on-infantile-spasms
#20
Vamsi Krishna Vaddi, Jitendra Kumar Sahu, Sumeet R Dhawan, Renu Suthar, Naveen Sankhyan
OBJECTIVE: To investigate the knowledge, attitude, and practice of Infantile Spasms among pediatricians. METHODS: A survey was carried out among pediatricians serving in Punjab, Haryana, Chandigarh, Himachal Pradesh and Delhi. The survey was done by Survey Monkey Software through emails by using a structured questionnaire between July 2016 and December 2017. RESULTS: A total of 236 pediatricians responded to the survey. Most of the respondents (95...
February 14, 2018: Indian Journal of Pediatrics
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