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Neonatal injury

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https://www.readbyqxmd.com/read/28634578/neonatal-venous-thromboembolism
#1
REVIEW
Kristina M Haley
Neonates are the pediatric population at highest risk for development of venous thromboembolism (VTE), and the incidence of VTE in the neonatal population is increasing. This is especially true in the critically ill population. Several large studies indicate that the incidence of neonatal VTE is up almost threefold in the last two decades. Central lines, fluid fluctuations, sepsis, liver dysfunction, and inflammation contribute to the risk profile for VTE development in ill neonates. In addition, the neonatal hemostatic system is different from that of older children and adults...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28630830/bilateral-humerus-and-right-femur-fracture-in-a-newborn-after-cesarean-section-for-breech-presentation-in-a-twin-pregnancy-a-very-rare-case-report
#2
P Rahul, Amit Rakesh Grover, S M Ajoy
INTRODUCTION: The most common fractures during vaginal delivery occur in the clavicle, humerus, and femur. Cesarean section reduces the chances of a child having a birth injury. However, in some difficult extractions, long bone fractures may occur. Cesarean section further reduces the incidence of birth injuries, especially in a breech delivery. Maneuvers employed during cesarean section, energetic traction, improper uterine incisions, and contracted uterus may cause these injuries. In the medical literature, there are few articles highlighting the occurrence of long bone fractures during cesarean section...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28629251/neonatal-complications-amoung-596-infants-delivered-by-vacuum-extraction-in-relation-to-characteristics-of-the-extraction
#3
Cecilia Ekéus, Karin Wrangsell, Sandra Penttinen, Katarina Åberg
OBJECTIVE: To investigate the association between complicated vacuum extraction deliveries and neonatal complications. METHODS: Observational study including data on the management of 596 consecutive VE-deliveries at 6 different birth clinics in Sweden in 2013. We used logistic regression to examine the association between a complicated VE and: extracranial bleeding, severe neonatal complication (intracranial hemorrhage and/or asphyxia/low Apgar score and/or convulsions, and/or encephalopathy) and brachial plexus injury...
June 19, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28628913/age-dependent-effects-of-alk5-inhibition-and-mechanism-of-neuroprotection-in-neonatal-hypoxic-ischemic-brain-injury
#4
Brian H Kim, Mariano Guardia Clausi, Michelle Frondelli, Israel C Nnah, Chaitali Saqcena, Radek Dobrowolski, Steven W Levison
Neonatal encephalopathy due to hypoxic-ischemic (HI) brain injury triggers a wave of neuroinflammatory events attributed to causing the progressive degeneration and functional deficits seen weeks after the initial insult. In a recent set of studies, we evaluated the therapeutic efficacy of a small molecule antagonist for ALK5 (activin-like kinase 5 ), TGF-β receptor in a rat model of moderate perinatal HI and found significant improvements in neurologic outcomes. Here, we have extended those studies to evaluate the efficacy of delayed TGF-β receptor antagonism on postnatal day (P) 6 and P9 HI rat pups with and without hypothermia...
June 20, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28626856/delivery-parameters-neonatal-parameters-and-incidence-of-urinary-incontinence-6-months-postpartum-a-cohort-study
#5
Stian Langeland Wesnes, Yngvild Hannestad, Guri Rortveit
INTRODUCTION: Contradictory results have been reported regarding most delivery parameters as risk factors for urinary incontinence. We investigated the association between incidence of urinary incontinence six months postpartum and single obstetric risk factors as well as combinations of risk factors. MATERIAL AND METHOD: This study was based on the Norwegian Mother and Child Cohort Study, conducted by the Norwegian Institute of Public Health during 1998-2008. This substudy was based on 7561 primiparous women who were continent before and during pregnancy...
June 19, 2017: Acta Obstetricia et Gynecologica Scandinavica
https://www.readbyqxmd.com/read/28623417/a-validated-clinical-mri-injury-scoring-system-in-neonatal-hypoxic-ischemic-encephalopathy
#6
Shamik B Trivedi, Zachary A Vesoulis, Rakesh Rao, Steve M Liao, Joshua S Shimony, Robert C McKinstry, Amit M Mathur
BACKGROUND: Deep nuclear gray matter injury in neonatal hypoxic-ischemic encephalopathy (HIE) is associated with worse neurodevelopmental outcomes. We previously published a qualitative MRI injury scoring system utilizing serial T1-weighted, T2-weighted and diffusion-weighted imaging (DWI), weighted for deep nuclear gray matter injury. OBJECTIVES: To establish the validity of the MRI scoring system with neurodevelopmental outcome at 18-24 months. MATERIALS AND METHODS: MRI scans from neonates with moderate to severe HIE treated with therapeutic hypothermia were evaluated...
June 16, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28623069/neonatal-hypoglycemia-a-wide-range-of-electroclinical-manifestations-and-seizure-outcomes
#7
Ebru Arhan, Zeynep Öztürk, Ayşe Serdaroğlu, Kürşad Aydın, Tuğba Hirfanoğlu, Yılmaz Akbaş
PURPOSE: We examined the various types of epilepsy in children with neonatal hypoglycemia in order to define electroclinical and prognostic features of these patients. METHOD: We retrospectively reviewed the medical records of patients with a history of symptomatic neonatal hypoglycaemia who have been followed at Gazi University Hospital Pediatric Neurology Department between 2006 and 2015. Patients with perinatal asphyxia were excluded. Details of each patient's perinatal history, neurological outcome, epilepsy details, seizure outcome and EEG and brain MRI findings were reviewed...
June 1, 2017: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/28619712/targeting-acetylcholine-receptor-m3-prevents-the-progression-of-airway-hyperreactivity-in-a-mouse-model-of-childhood-asthma
#8
Kruti R Patel, Yan Bai, Kenneth G Trieu, Juliana Barrios, Xingbin Ai
Asthma often progresses into adulthood from early-life episodes of adverse environmental exposures. However, how the injury to developing lungs contributes to the pathophysiology of persistent asthma remains poorly understood. In this study, we identified an age-related mechanism along the cholinergic nerve-airway smooth muscle (ASM) axis that underlies prolonged airway hyperreactivity (AHR) in mice. We showed that ASM continued to mature until ∼3 wk after birth. Coinciding with postnatal ASM maturation, there was a critical time window for the development of ASM hypercontractility after cholinergic stimulation...
June 15, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28616708/comparison-of-different-definitions-of-acute-kidney-injury-in-extremely-low-birth-weight-infants
#9
Vikas Chowdhary, Ramya Vajpeyajula, Mohit Jain, Syeda Maqsood, Rupesh Raina, Deepak Kumar, Maroun J Mhanna
BACKGROUND: The definition of acute kidney injury (AKI) has evolved over the years, and three definitions have been adapted including pediatric risk injury failure, loss of kidney function (pRIFLE), Acute Kidney Injury Network (AKIN), and Neonatal Modified Kidney Disease Improving Global Outcomes (KDIGO). We sought to report the prevalence and outcome of (AKI) according to the three existing definitions in extremely low birth weight (ELBW) infants. METHODS: In a retrospective cohort study, medical records of all ELBW infants (<1000 g) admitted to our neonatal intensive care unit (NICU) between Jan 2002 and Dec 2011 were reviewed...
June 14, 2017: Clinical and Experimental Nephrology
https://www.readbyqxmd.com/read/28615294/pituitary-stem-cell-regulation-who-is-pulling-the-strings
#10
Benoit Cox, Heleen Roose, Annelies Vennekens, Hugo Vankelecom
The pituitary gland plays a pivotal role in the endocrine system, steering fundamental processes of growth, metabolism, reproduction and coping with stress. The adult pituitary contains resident stem cells which are highly quiescent in homeostatic conditions. However, the cells show marked signs of activation during processes of increased cell remodeling in the gland, including maturation at neonatal age, adaptation to physiological demands, regeneration upon injury, and growth of local tumors. Although functions of pituitary stem cells are slowly but gradually uncovered, their regulation largely remains virgin territory...
June 14, 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/28614987/role-of-amino-acid-supplementation-in-prevention-of-necrotizing-enterocolitis-in-preterm-neonates-a-review-of-current-evidences
#11
Bhawan Deep Garg, Nandkishor S Kabra
BACKGROUND: Necrotizing enterocolitis (NEC) is one of the most common acute and fatal gastrointestinal emergency in very low birth weight (VLBW) preterm neonates with mortality range from 15-30%. NEC is likely due to multifactorial process such as oxidative injury, ischemic necrosis and over reactive inflammatory response to intestinal microbes. AIMS: To evaluate the role of amino acid supplementation for reduction of neonatal NEC in preterm neonates. METHOD: The literature search was done for various randomized control trial (RCT) by searching the Cochrane Central Register of Controlled Trials (CENTRAL), PubMed, EMBASE, Web of Science, Scopus, Index Copernicus, African Index Medicus (AIM), Thomson Reuters (ESCI), Chemical Abstracts Service (CAS) and other data base...
June 14, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28611684/protective-role-for-lpa3-in-cardiac-hypertrophy-induced-by-myocardial-infarction-but-not-by-isoproterenol
#12
Lin Cai, Guangpu Fan, Fang Wang, Si Liu, Tiewei Li, Xiangfeng Cong, Jerold Chun, Xi Chen
Background: We previously reported that lysophosphatidic acid (LPA) promoted cardiomyocyte hypertrophy in vitro via one of its G protein-coupled receptor subtypes, LPA3. In this study, we examined the role of LPA3 in cardiac hypertrophy induced by isoproterenol (ISO) and myocardial infarction. Methods:In vitro, neonatal rat cardiomyocytes (NRCMs) were subjected to LPA3 knocked-down, or pretreated with a β-adrenergic receptor (β-AR) antagonist (propranolol) before LPA/ISO treatment. Cardiomyocyte size and hypertrophic gene (ANP, BNP) mRNA levels were determined...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28608653/complementary-cortical-gray-and-white-matter-developmental-patterns-in-healthy-preterm-neonates
#13
Vidya Rajagopalan, Julia A Scott, Mengyuan Liu, Kenneth Poskitt, Vann Chau, Steven Miller, Colin Studholme
Preterm birth is associated with brain injury and altered cognitive development. However, the consequences of extrauterine development are not clearly distinguished from perinatal brain injury. Therefore, we characterized cortical growth patterns from 30 to 46 postmenstrual weeks (PMW) in 27 preterm neonates (25-32 PMW at birth) without detectable brain injury on magnetic resonance imaging. We introduce surface-based morphometric descriptors that quantify radial (thickness) and tangential (area) change rates...
June 13, 2017: Human Brain Mapping
https://www.readbyqxmd.com/read/28607625/hepatic-portal-venous-gas-in-children-younger-than-2-years-old-radiological-and-clinical-characteristics-in-diseases-other-than-necrotizing-enterocolitis
#14
Marzena Barczuk-Falęcka, Przemysław Bombiński, Zofia Majkowska, Michał Brzewski, Stanisław Warchoł
BACKGROUND: Hepatic portal venous gas (HPVG) is a rare imaging finding in children. It can be an important manifestation of severe diseases such as necrotizing enterocolitis (NEC) in neonates or bowel wall rupture in older children. However, there are many other diseases presenting with HPVG that do not necessarily require a surgical intervention. CASE REPORT: In the period between 2011-2015, there were 12 cases of HPVG in children aged up to 24 months in our hospital...
2017: Polish Journal of Radiology
https://www.readbyqxmd.com/read/28604760/developing-a-neonatal-acute-kidney-injury-research-definition-a-report-from-the-niddk-neonatal-aki-workshop
#15
Michael Zappitelli, Namasivayam Ambalavanan, David J Askenazi, Marva M Moxey-Mims, Paul L Kimmel, Robert A Star, Carolyn L Abitbol, Patrick D Brophy, Guillermo Hidalgo, Mina Hanna, Catherine M Morgan, Tonse N K Raju, Patricio Ray, Zayhara Reyes-Bou, Amani Roushdi, Stuart L Goldstein
Normal developmental changes during postnatal life hinder the development of an AKI definition and advancement of neonatal AKI research. This report summarizes the expert discussion at a National Institute of Diabetes and Digestive and Kidney Diseases sponsored neonatal AKI workshop, on knowledge gaps in defining neonatal AKI. The most important knowledge gaps and neonatal AKI definition research recommendations were agreed upon and defined. Several challenges were identified in defining neonatal AKI using serum creatinine (SCr) and urine output criteria applied in adults and children...
June 12, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28603687/prematurity-and-brain-perfusion-arterial-spin-labeling-mri
#16
Domenico Tortora, Peter Angelo Mattei, Riccardo Navarra, Valentina Panara, Rita Salomone, Andrea Rossi, John A Detre, Massimo Caulo
PURPOSE: Abnormal brain perfusion is a critical mechanism in neonatal brain injury. The aim of the present study was to compare Cerebral Blood Flow (CBF) evaluated with ASL MRI in three groups of neonates: preterms without brain lesions on MRI (PN), preterms with periventricular white matter lesions (PNp) and term neonates with normal MRI (TN). The correlation between CBF and clinical outcome was explored. MATERIALS AND METHODS: The institutional review board approved this prospective study and waived informed consent...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28601070/sox9-protects-against-human-lung-fibroblast-cell-apoptosis-induced-by-lps-through-activation-of-the-akt-gsk3%C3%AE-pathway
#17
Zhankun Zhu, Jinhua Dai, Yufeng Liao, Tao Wang
Sex-determining region Y-box 9 (Sox9) is an important transcription factor that has been identified as a key regulator of several types of diseases. In this study, we explored the correlation of Sox9 with cell proliferation, apoptosis, inflammatory factor expression, and the possible signaling pathway in human lung fibroblast cell line to investigate the possible mechanism of neonatal pneumonia. Therefore, in the present study, pc-Sox9 and si-Sox9 were transfected into MRC-5 (human fetal lung fibroblast cell line) to promote or inhibit expression of Sox-9...
May 2017: Biochemistry. Biokhimii︠a︡
https://www.readbyqxmd.com/read/28600661/controversy-of-single-versus-staged-management-of-anorectal-malformations
#18
Ajay Narayan Gangopadhyay, Vaibhav Pandey
Anorectal malformations' (ARMs) management has taken strides over the past few decades. The advent of Posterior sagittal anorectoplasty (PSARP) and its acceptance by most people across the globe as standard procedure has given way to a debate of single vs. three-staged repair. After initial hesitancy and lot of skepticism, single-staged repair has very well established its role because of its advantages over the staged procedure. There is enough evidence which suggests that single-staged repair has got equally good outcome as that of staged repair (if not better)...
June 10, 2017: Indian Journal of Pediatrics
https://www.readbyqxmd.com/read/28599922/vitamin-d-improves-functional-outcomes-in-neonatal-hypoxic-ischemic-male-rats-treated-with-n-acetylcysteine-and-hypothermia
#19
Danielle W Lowe, Jamie L Fraser, Laura Grace Rollins, Jessica Bentzley, Xingju Nie, Renee Martin, Inderjit Singh, Dorothea Jenkins
Hypothermia treatment neuroprotects approximately 50% of neonates who present with moderate to severe hypoxic ischemic encephalopathy (HIE). N-acetylcysteine (NAC), a potent antioxidant, is neuroprotective in combination with hypothermia in neonatal hypoxia-ischemia (HI) female rats, but less protective in males. Vitamin D is a neurosteroid, which may provide immunomodulation and improve outcomes for both sexes. We investigated the efficacy of this combination of drugs with hypothermia after severe HI, as well as potential mechanisms of vitamin D effects in the transition to chronic inflammation...
June 6, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28599575/suppression-of-mir-34a-expression-in-the-myocardium-protects-against-ischemia-reperfusion-injury-via-sirt1-protective-pathway
#20
Bi-Cheng Fu, Ji-Lu Lang, Dong-Yang Zhang, Lu Sun, Wei Chen, Wei Liu, Kai-Yu Liu, Chong-Yi Ma, Shu-Lin Jiang, Ren-Ke Ke Li, Hai Tian
miRNA-34a (miR-34a) is expressed in the myocardium and expression is altered after myocardial injury. We investigated the effects of miR-34a on heart function after ischemia-reperfusion (IR) injury. Cardiomyocytes were isolated from neonatal rat hearts and simulated IR injury was induced in vitro. Following IR injury in rats, infarct size was measured and left ventricular (LV) function was evaluated using echocardiography. Protein expression of silent information regulator 1 (SIRT1), acetylated (ac) p53 (ac-p53), Bcl-2 and Bax and miR-34a and SIRT1 gene levels were analyzed...
June 9, 2017: Stem Cells and Development
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