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Neonatal asphyxia

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https://www.readbyqxmd.com/read/28819941/maternal-and-neonatal-outcomes-of-pregnancy-at-39-weeks-and-beyond-with-mild-gestational-diabetes-mellitus
#1
Hanqing Chen, Suhua Zou, Jianbo Yang, Songqing Deng, Jian Cai, Zilian Wang
OBJECTIVES: The purpose of this study was to retrospectively analyze maternal and neonatal outcomes in pregnant women with mild gestational diabetes mellitus at 39 weeks compared to 40 weeks. MATERIAL AND METHODS: Clinical data of 372 cases of mild gestational diabetes mellitus form First Affiliated Hospital of Sun Yat-sen University were analyzed retrospectively. There were 108 mild GDM patients that delivered at 40-40+6 weeks in our research group, and 264 patients that delivered in 39-39+6 weeks in the control group...
2017: Ginekologia Polska
https://www.readbyqxmd.com/read/28817508/end-tidal-co2-guided-chest-compression-delivery-improves-survival-in-a-neonatal-asphyxial-cardiac-arrest-model
#2
Justin T Hamrick, Jennifer L Hamrick, Utpal Bhalala, Jillian S Armstrong, Jeong-Hoo Lee, Ewa Kulikowicz, Jennifer K Lee, Sapna R Kudchadkar, Raymond C Koehler, Elizabeth A Hunt, Donald H Shaffner
OBJECTIVES: To determine whether end-tidal CO2-guided chest compression delivery improves survival over standard cardiopulmonary resuscitation after prolonged asphyxial arrest. DESIGN: Preclinical randomized controlled study. SETTING: University animal research laboratory. SUBJECTS: 1-2-week-old swine. INTERVENTIONS: After undergoing a 20-minute asphyxial arrest, animals received either standard or end-tidal CO2-guided cardiopulmonary resuscitation...
August 16, 2017: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/28817111/prospective-cohort-study-for-identification-of-underlying-genetic-causes-in-neonatal-encephalopathy-using-whole-exome-sequencing
#3
Theodora U J Bruun, Caro-Lyne DesRoches, Diane Wilson, Vann Chau, Tadashi Nakagawa, Masahiro Yamasaki, Shinya Hasegawa, Toshiyuki Fukao, Christian Marshall, Saadet Mercimek-Andrews
PurposeNeonatal encephalopathy, which is characterized by a decreased level of consciousness, occurs in 1-7/1,000 live-term births. In more than half of term newborns, there is no identifiable etiological factor. To identify underlying genetic defects, we applied whole-exome sequencing (WES) in term newborns with neonatal encephalopathy as a prospective cohort study.MethodsTerm newborns with neonatal encephalopathy and no history of perinatal asphyxia were included. WES was performed using patient and both parents' DNA...
August 17, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/28815293/the-novel-preventive-effect-of-daikenchuto-tj-100-a-japanese-herbal-drug-against-neonatal-necrotizing-enterocolitis-in-rats
#4
Shin Shinyama, Tatsuru Kaji, Motoi Mukai, Kazuhiko Nakame, Hiroshi Matsufuji, Hideo Takamatsu, Satoshi Ieiri
PURPOSE: Necrotizing enterocolitis (NEC) is a devastating gastrointestinal disease of premature infants. Daikenchuto, a Japanese herbal drug, has several effects on the digestive system, so we investigated its preventive effects in a rat model of NEC. METHODS: NEC was induced in newborn rats via asphyxia (100% N2 for 90 s; every 4 h) + LPS (4 mg/kg/day [administered orally on days 0 and 1]). The effects of Daikenchuto were evaluated in four groups (control: 0 g/kg/day, I: 0...
August 16, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28801384/causes-of-and-contributors-to-infant-mortality-in-a-rural-community-of-north-india-evidence-from-verbal-and-social-autopsy
#5
Sanjay Kumar Rai, Shashi Kant, Rahul Srivastava, Priti Gupta, Puneet Misra, Chandrakant Sambhaji Pandav, Arvind Kumar Singh
OBJECTIVE: To identify the medical causes of death and contribution of non-biological factors towards infant mortality by a retrospective analysis of routinely collected data using verbal and social autopsy tools. SETTING: The study site was Health and Demographic Surveillance System (HDSS), Ballabgarh, North India PARTICIPANTS: All infant deaths during the years 2008-2012 were included for verbal autopsy and infant deaths from July 2012 to December 2012 were included for social autopsy...
August 11, 2017: BMJ Open
https://www.readbyqxmd.com/read/28782169/impact-of-neonatal-hypoxia-ischaemia-on-oligodendrocyte-survival-maturation-and-myelinating-potential
#6
Malgorzata Ziemka-Nalecz, Justyna Janowska, Lukasz Strojek, Joanna Jaworska, Teresa Zalewska, Malgorzata Frontczak-Baniewicz, Joanna Sypecka
Hypoxic-ischaemic episodes experienced at the perinatal period commonly lead to a development of neurological disabilities and cognitive impairments in neonates or later in childhood. Clinical symptoms often are associated with the observed alterations in white matter in the brains of diseased children, suggesting contribution of triggered oligodendrocyte/myelin pathology to the resulting disorders. To date, the processes initiated by perinatal asphyxia remain unclear, hampering the ability to develop preventions...
August 7, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28768280/chest-compressions-during-sustained-inflations-improve-recovery-when-compared-to-a-3-1-compression-ventilation-ratio-during-cardiopulmonary-resuscitation-in-a-neonatal-porcine-model-of-asphyxia
#7
Elliott S Li, Immanuel Görens, Po-Yin Cheung, Tze-Fun Lee, Min Lu, Megan O'Reilly, Georg M Schmölzer
BACKGROUND: Recently, sustained inflations (SI) during chest compression (CC) (CC+SI) have been suggested as an alternative to the current approach during neonatal resuscitation. No previous study compared CC+SI using CC rates of 90/min to the current 3:1 compression:ventilation ratio (C:V). OBJECTIVE: To determine whether CC+SI versus a 3:1 C:V reduces the time to the return of spontaneous circulation (ROSC) and improves hemodynamic recovery in newborn piglets with asphyxia-induced bradycardia...
August 3, 2017: Neonatology
https://www.readbyqxmd.com/read/28754111/care-of-the-mother-infant-dyad-a-novel-approach-to-conducting-and-evaluating-neonatal-resuscitation-simulation-training-in-bihar-india
#8
Brennan Vail, Hilary Spindler, Melissa C Morgan, Susanna R Cohen, Amelia Christmas, Pramod Sah, Malay B Shah, Aritra Das, Dilys M Walker
BACKGROUND: As the global under-five mortality rate declines, an increasing percentage is attributable to early neonatal mortality. A quarter of early neonatal deaths are due to perinatal asphyxia. However, neonatal resuscitation (NR) simulation training in low-resource settings, where the majority of neonatal deaths occur, has achieved variable success. In Bihar, India, the poorest region in South Asia, there is tremendous need for a new approach to reducing neonatal morality. METHODS: This analysis aims to assess the impact of a novel in-situ simulation training program, developed by PRONTO International and implemented in collaboration with CARE India, on NR skills of nurses in Bihar...
July 28, 2017: BMC Pregnancy and Childbirth
https://www.readbyqxmd.com/read/28747840/an-evaluation-of-stillbirths-in-%C3%A4-stanbul-by-examining-death-certificates
#9
Aylin Yetim, Fahriye Aysun Buzcu, Esra Devecioğlu, Gülbin Gökçay, Zeynep İnce
AIM: Despite the fact that the frequency of stillbirth is estimated to be about the same as that of early neonatal deaths, stillbirth records and statistics are not kept on a regular basis worldwide and their causes cannot be determined. The aim of our study was to examine the causes and characteristics of stillbirths in Istanbul. MATERIAL AND METHODS: All death certificates of 2011 archived in 8 District Cemetery Directorships, which manage 322 cemeteries within the boundaries of Istanbul Metropolitan Municipality, were examined...
June 2017: Türk Pediatri Arşivi
https://www.readbyqxmd.com/read/28718955/an-electrochemiluminescent-method-for-glutamate-measurement-in-small-microdialysate-samples-in-asphyxiated-young-rats
#10
Jorge Ortega-Ibarra, Silvia López-Pérez, Alberto Morales-Villagrán
Glutamate (Glu) quantification has been performed by a combination of intracerebral microdialysis through which the samples are obtained and analyzed by high performance liquid chromatography (HPLC); its measurement requires a large expenditure of time (15-30 min per sample) and special training. Therefore, an alternative method is presented here, based on the electrochemiluminescence produced by the use of an enzymatic reactor, containing glutamate-oxidase, mixed and incubated with microdialysate from dorsal striatum (DS) and prefrontal cortex (PFC) of young rats asphyxiated during the neonatal period, under a global asphyxia model in order to test this method...
July 18, 2017: Luminescence: the Journal of Biological and Chemical Luminescence
https://www.readbyqxmd.com/read/28706574/neuronal-damage-induced-by-perinatal-asphyxia-is-attenuated-by-postinjury-glutaredoxin-2-administration
#11
Juan Ignacio Romero, Mariana Inés Holubiec, Tamara Logica Tornatore, Stéphanie Rivière, Eva-Maria Hanschmann, Rodolfo Alberto Kölliker-Frers, Julia Tau, Eduardo Blanco, Pablo Galeano, Fernando Rodríguez de Fonseca, Christopher Horst Lillig, Francisco Capani
The general disruption of redox signaling following an ischemia-reperfusion episode has been proposed as a crucial component in neuronal death and consequently brain damage. Thioredoxin (Trx) family proteins control redox reactions and ensure protein regulation via specific, oxidative posttranslational modifications as part of cellular signaling processes. Trx proteins function in the manifestation, progression, and recovery following hypoxic/ischemic damage. Here, we analyzed the neuroprotective effects of postinjury, exogenous administration of Grx2 and Trx1 in a neonatal hypoxia/ischemia model...
2017: Oxidative Medicine and Cellular Longevity
https://www.readbyqxmd.com/read/28672292/association-between-pregnancy-and-perinatal-outcomes-among-women-with-epilepsy
#12
Neda Razaz, Torbjörn Tomson, Anna-Karin Wikström, Sven Cnattingius
Importance: To date, few attempts have been made to examine associations between exposure to maternal epilepsy with or without antiepileptic drug (AED) therapy and pregnancy and perinatal outcomes. Objectives: To investigate associations between epilepsy in pregnancy and risks of pregnancy and perinatal outcomes as well as whether use of AEDs influenced risks. Design, Setting, and Participants: A population-based cohort study was conducted on all singleton births at 22 or more completed gestational weeks in Sweden from 1997 through 2011; of these, 1 424 279 were included in the sample...
August 1, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/28671322/factors-related-to-retinal-haemorrhage-in-infants-born-at-high-risk
#13
Qinglan Pu, Ping Li, Huiqin Jiang, Hong Wang, Qiaoyun Zhou, Jia Liu, Wenhua Zhong, Huafei Huang
PURPOSE: This study aims to determine risk factors for retinal haemorrhage (RH) in high-risk infants. METHODS: A total of 3123 cases with high-risk pregnancy and/or neonatal asphyxia 72 hr after delivery were enrolled into this study. Fundus examinations were performed on newborns utilizing a wide-angle imaging system (RetCam III). Retinal haemorrhage (RH) was classified into three grades. Maternal, obstetric and neonatal parameters from high-risk infants with RH were compared with parameters from infants without RH...
July 3, 2017: Acta Ophthalmologica
https://www.readbyqxmd.com/read/28668289/foley-catheterisation-versus-oral-misoprostol-for-induction-of-labour-in-hypertensive-women-in-india-inform-a-multicentre-open-label-randomised-controlled-trial
#14
Shuchita Mundle, Hillary Bracken, Vaishali Khedikar, Jayashree Mulik, Brian Faragher, Thomas Easterling, Simon Leigh, Paul Granby, Alan Haycox, Mark A Turner, Zarko Alfirevic, Beverly Winikoff, Andrew D Weeks
BACKGROUND: Between 62 000 and 77 000 women die annually from pre-eclampsia and eclampsia. Prompt delivery, preferably by the vaginal route, is vital for good maternal and neonatal outcomes. Two low-cost interventions-low-dose oral misoprostol tablets and transcervical Foley catheterisation-are already used in low-resource settings. We aimed to compare the relative risks and benefits of these interventions. METHODS: We undertook this multicentre, open-label, randomised controlled trial in two public hospitals in Nagpur, India...
June 28, 2017: Lancet
https://www.readbyqxmd.com/read/28664414/do-obstetric-risk-factors-truly-influence-the-etiopathogenesis-of-congenital-muscular-torticollis
#15
N Hardgrib, O Rahbek, B Møller-Madsen, R D Maimburg
BACKGROUND: Congenital muscular torticollis (CMT) is seen in childhood and presents within months after birth. The etiology remains unknown; however, medical textbooks suggest trauma at birth as a main reason. The aim of this study was to systematically describe obstetric and perinatal outcomes in a population of children with a confirmed congenital muscular torticollis diagnosis. MATERIALS AND METHODS: Children with a validated diagnosis of congenital muscular torticollis born at Aarhus University Hospital from 2000 to 2014 were included in the study...
June 29, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28660484/therapeutic-strategies-for-leukodystrophic-disorders-resulting-from-perinatal-asphyxia-focus-on-myelinating-oligodendrocytes
#16
REVIEW
Justyna Janowska, Joanna Sypecka
Perinatal asphyxia results from the action of different risk factors like complications during pregnancy, preterm delivery, or long and difficult labor. Nowadays, it is still the leading cause of neonatal brain injury known as hypoxic-ischemic encephalopathy (HIE) and resulting neurological disorders. A temporal limitation of oxygen, glucose, and trophic factors supply results in alteration of neural cell differentiation and functioning and/or leads to their death. Among the affected cells are oligodendrocytes, responsible for myelinating the central nervous system (CNS) and formation of white matter...
June 28, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28658372/leading-causes-of-child-mortality-in-brazil-in-1990-and-2015-estimates-from-the-global-burden-of-disease-study
#17
Elisabeth Barboza França, Sônia Lansky, Maria Albertina Santiago Rego, Deborah Carvalho Malta, Julia Santiago França, Renato Teixeira, Denise Porto, Marcia Furquim de Almeida, Maria de Fatima Marinho de Souza, Célia Landman Szwarcwald, Meghan Mooney, Mohsen Naghavi, Ana Maria Nogales Vasconcelos
Objective: To analyze under-5 mortality rates and leading causes in Brazil and states in 1990 and 2015, using the Global Burden of Disease Study (GBD) 2015 estimates. Methods: The main sources of data for all-causes under-5 mortality and live births estimates were the mortality information system, surveys, and censuses. Proportions and rates per 1,000 live births (LB) were calculated for total deaths and leading causes. Results: Estimates of under-5 deaths in Brazil were 191,505 in 1990, and 51,226 in 2015, 90% of which were infant deaths...
May 2017: Revista Brasileira de Epidemiologia, Brazilian Journal of Epidemiology
https://www.readbyqxmd.com/read/28651611/adolescent-deliveries-in-semi-urban-cameroon-prevalence-and-adverse-neonatal-outcomes
#18
Tsi Njim, Valirie Ndip Agbor
OBJECTIVES: Adolescent pregnancies are high risk due to the increased probability of adverse outcomes; as adolescents are usually considered to be ill-equipped to deal with the burden of pregnancy. We sought to determine the prevalence of adolescent deliveries in a secondary-level care hospital in semi-urban Cameroon-Bamenda, the adverse neonatal outcomes and to assess if previous obstetric history could preclude adolescents from having adverse outcomes in their present pregnancy. RESULTS: The prevalence of adolescent deliveries was 8...
June 26, 2017: BMC Research Notes
https://www.readbyqxmd.com/read/28648366/-oxidative-stress-in-perinatal-asphyxia-and-hypoxic-ischaemic-encephalopathy
#19
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 22, 2017: Anales de Pediatría: Publicación Oficial de la Asociación Española de Pediatría (A.E.P.)
https://www.readbyqxmd.com/read/28646492/prenatal-perinatal-and-neonatal-risk-factors-for-perinatal-arterial-ischaemic-stroke-a-systematic-review-and-meta-analysis
#20
REVIEW
C Li, J K Miao, Y Xu, Y Y Hua, Q Ma, L L Zhou, H J Liu, Q X Chen
The aim of the present study was to perform a meta-analysis of published data to determine the significance of clinical factors and exposures to the risk of perinatal arterial ischaemic stroke (PAIS) and provide guidance for clinical diagnosis and treatment. A comprehensive literature search of the PubMed, Embase, MEDLINE and Cochrane Library databases for relevant observational studies (cohort/case-control) from March 1984 to March 2016 was undertaken. Two review authors independently examined the full text records to determine which studies met the inclusion criteria and evaluated risk factors for PAIS...
June 24, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
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