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Leukomalacia

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https://www.readbyqxmd.com/read/28526452/gestational-age-at-initiation-of-17-alpha-hydroxyprogesterone-caproate-and-recurrent-preterm-birth
#1
Angela Ning, Catherine J Vladutiu, Sarah K Dotters-Katz, William H Goodnight, Tracy A Manuck
BACKGROUND: Preterm birth (PTB) is the leading cause of neonatal morbidity and mortality in non-anomalous neonates in the US. Women with a previous early spontaneous PTB are at highest risk for recurrence. Weekly intramuscular 17-alpha hydroxyprogesterone caproate (17-OHPC) reduces the risk of recurrent prematurity. Though current guidelines recommend 17-OHPC initiation between 16-20 weeks', in clinical practice, 17-OHPC is started across a spectrum of gestational ages. OBJECTIVE: To examine the relationship between the gestational age at 17-OHPC initiation and recurrent PTB among women a prior spontaneous PTB 16-28 weeks' gestation...
May 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28505223/association-of-short-antenatal-corticosteroid-administration-to-birth-intervals-with-survival-and-morbidity-among-very-preterm-infants-results-from-the-epice-cohort
#2
Mikael Norman, Aurelie Piedvache, Klaus Børch, Lene Drasbek Huusom, Anna-Karin Edstedt Bonamy, Elizabeth A Howell, Pierre-Henri Jarreau, Rolf F Maier, Ole Pryds, Liis Toome, Heili Varendi, Tom Weber, Emilija Wilson, Arno Van Heijst, Marina Cuttini, Jan Mazela, Henrique Barros, Patrick Van Reempts, Elizabeth S Draper, Jennifer Zeitlin
Importance: Administration-to-birth intervals of antenatal corticosteroids (ANS) vary. The significance of this variation is unclear. Specifically, to our knowledge, the shortest effective administration-to-birth interval is unknown. Objective: To explore the associations between ANS administration-to-birth interval and survival and morbidity among very preterm infants. Design, Setting, and Participants: The Effective Perinatal Intensive Care in Europe (EPICE) study, a population-based prospective cohort study, gathered data from 19 regions in 11 European countries in 2011 and 2012 on 4594 singleton infants with gestational ages between 24 and 31 weeks, without severe anomalies and unexposed to repeated courses of ANS...
May 15, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/28504197/intravenous-injection-of-umbilical-cord-derived-mesenchymal-stromal-cells-attenuates-reactive-gliosis-and-hypomyelination-in-a-neonatal-intraventricular-hemorrhage-model
#3
Takeo Mukai, Yuka Mori, Takahisa Shimazu, Atsuko Takahashi, Hajime Tsunoda, Satoru Yamaguchi, Shigeru Kiryu, Arinobu Tojo, Tokiko Nagamura-Inoue
Intraventricular hemorrhage (IVH) is a frequent complication of preterm newborns, resulting in cerebral palsy and cognitive handicap as well as hypoxic ischemic encephalopathy and periventricular leukomalacia. In this study, we investigated the restorative effect on neonatal IVH by umbilical cord-derived mesenchymal stromal cells (UC-MSCs) cultured in serum-free medium (RM medium) for clinical application. UC-MSCs were cultured with αMEM medium supplemented with FBS or RM. A neonatal IVH mouse model at postnatal day 5 was generated by intraventricular injection of autologous blood, and mice were intravenously administered 1×10(5) UC-MSCs two days after IVH...
May 11, 2017: Neuroscience
https://www.readbyqxmd.com/read/28486556/antenatal-corticosteroids-for-neonates-born-before-25-weeks-a-systematic-review-and-meta-analysis
#4
Mangesh Deshmukh, Sanjay Patole
BACKGROUND: Efficacy of antenatal corticosteroids before 25 weeks of gestation is unclear. OBJECTIVE: To assess and compare neonatal outcomes following ANC exposure at 22, 23 and 24 weeks of gestation by conducting systematic review and meta- analysis. METHODS: A systematic review of randomised controlled trials (RCT) and non-RCTs reporting on neonatal outcomes after exposure to ANC up to 246 weeks of gestation using the Cochrane systematic review methodology...
2017: PloS One
https://www.readbyqxmd.com/read/28471443/the-role-of-near-infrared-spectroscopy-monitoring-in-preterm-infants
#5
P Korček, Z Straňák, J Širc, G Naulaers
Neurological morbidities such as peri/intraventricular hemorrhage and periventricular leukomalacia largely determine the neurodevelopmental outcome of vulnerable preterm infants and our aim should be to minimize their occurrence or severity. Bed-side neuromonitoring could provide valuable pieces of information about possible hemodynamic disturbances that are significantly associated with neurological morbidities and increased mortality. Near-infrared spectroscopy offers evaluation of regional cerebral oxygenation, which in conjunction with other non-invasive methods may give us a more complete picture about end-organ perfusion...
May 4, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28409751/early-extubation-failure-in-very-low-birth-weight-infants-clinical-outcomes-and-predictive-factors
#6
K Al-Hathlol, N Bin Saleem, M Khawaji, S Al Saif, I Abdelhakim, B Al-Hathlol, E Bazbouz, Q Al Anzi, A Al-Essa
OBJECTIVE: To identify the clinical outcomes and the potential predictive factors of early extubation failure (EEF) in very low birth weight (VLBW) infants. METHODS: A retrospective study of VLBW infants admitted to the neonatal intensive care unit (NICU) over fifteen years. Neonates were intubated and mechanically ventilated on the first day of life, and early extubated within the first 3 days. EEF was defined as the need for re-intubation within 3 days of the first extubation...
2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28407825/-effect-of-pregnancy-induced-hypertension-syndrome-on-complications-in-very-low-birth-weight-preterm-infants
#7
Song-Zhou Xu, Xiao-Yan Hu, Fang Zhao, Yu-Xin Zhou, Shuang-Chuan Zhang
OBJECTIVE: To study the effect of pregnancy-induced hypertension syndrome (PIH) on complications in very low birth weight (VLBW) preterm infants. METHODS: The VLBW preterm infants were enrolled as research subjects, and according to the presence or absence of PIH in their mothers, they were divided into PIH group and non- PIH group. The incidence of major complications and length of hospital stay were compared between the two groups. RESULTS: There were no significant differences between the two groups in gestational age, birth weight, sex, incidence rate of maternal diabetes, and use of antepartum hormone...
April 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28406931/a-model-of-periventricular-leukomalacia-pvl-in-neonate-mice-with-histopathological-and-neurodevelopmental-outcomes-mimicking-human-pvl-in-neonates
#8
Nahla Zaghloul, Hardik Patel, Mohamed Nagy Ahmed
Periventricular leukomalacia (PVL), a brain injury affecting premature infants is commonly associated with cerebral palsy. PVL results from hypoxia-ischemia (HI) with or without infection and is characterized by white matter necrotic lesions, hypomyelination, microglial activation, astrogliosis, and neuronal death. It is important to study a PVL mouse model that mimics human PVL in symptomatology, anatomic and molecular basis. In our neonate mice model, bilateral carotid arteries were temporary ligated at P5 followed by hypoxic exposure (FiO2 of 8% for 20 min...
2017: PloS One
https://www.readbyqxmd.com/read/28402972/eeg-a-valuable-biomarker-of-brain-injury-in-preterm-infants
#9
Elena Pavlidis, Rhodri O Lloyd, Geraldine B Boylan
This review focuses on the role of electroencephalography (EEG) in monitoring abnormalities of preterm brain function. EEG features of the most common developmental brain injuries in preterm infants, including intraventricular haemorrhage, periventricular leukomalacia, and perinatal asphyxia, are described. We outline the most common EEG biomarkers associated with these injuries, namely seizures, positive rolandic sharp waves, EEG suppression/increased interburst intervals, mechanical delta brush activity, and other deformed EEG waveforms, asymmetries, and asynchronies...
April 13, 2017: Developmental Neuroscience
https://www.readbyqxmd.com/read/28374236/novel-magnetic-resonance-imaging-findings-in-a-patient-with-short-chain-acyl-coa-dehydrogenase-deficiency
#10
Chiplunkar, Parayil Sankaran Bindu, Madhu Nagappa, Bobby Baby Panikulam, Hanumanthapura R Arvinda, Periyasamy Govindaraj, M M Srinivas Bharath, Narayanappa Gayathri, J N Jessiena Ponmalar, Pavagada S Mathuranath, Sanjib Sinha, Arun B Taly
Reports on magnetic resonance imaging findings in patients with short chain acyl -Coenzyme A dehydrogenase (SCAD) deficiency, an autosomal recessive disorder caused by mutations in the acyl-Coenzyme A dehydrogenase (ACADS), are limited. Many asymptomatic carriers of ACAD variants have also been described necessitating careful evaluation of clinical and biochemical findings for an accurate diagnosis. Here we report a an infant with short chain acyl -Coenzyme A dehydrogenase (SCAD) deficiency diagnosed based on the characteristic biochemical findings and confirmed by genetic testing...
April 3, 2017: Metabolic Brain Disease
https://www.readbyqxmd.com/read/28352342/different-ventilation-modes-combined-with-ambroxol-in-the-treatment-of-respiratory-distress-syndrome-in-premature-infants
#11
Bin Zhou, Jing-Fang Zhai, Jie-Bin Wu, Bao Jin, Yan-Yan Zhang
The aim of the present study was to compare the effectiveness of different modes of mechanical ventilation in combination with secretolytic therapy with ambroxol in premature infants with respiratory distress syndrome. Seventy-three premature infants with hyaline membrane disease (HMD) (stage III-IV), also known as respiratory distress syndrome, who were supported by mechanical ventilation in the neonatal intensive care unit (NICU) of Xuzhou Central Hospital, were involved in the present study, between January 2013 and February 2015...
February 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28333939/maintenance-nifedipine-therapy-for-preterm-symptomatic-placenta-previa-a-randomized-multicenter-double-blind-placebo-controlled-trial
#12
Eric Verspyck, Claire de Vienne, Charles Muszynski, Michael Bubenheim, Isabella Chanavaz-Lacheray, Michel Dreyfus, Philippe Deruelle, Jacques Benichou
OBJECTIVE: To assess the impact of maintenance nifedipine therapy on pregnancy duration in women with preterm placenta previa bleeding. METHODS: PPADAL was a randomized, double-blind, placebo-controlled trial conducted between 05/2008 and 05/2012 in five French hospitals. The trial included 109 women, aged ≥ 18 years, with at least one episode of placenta previa bleeding, intact membranes and no other pregnancy complication, at gestational age 24 to 34 weeks and after 48 hours of complete acute tocolysis...
2017: PloS One
https://www.readbyqxmd.com/read/28294496/timing-of-antenatal-corticosteroid-administration-and-survival-in-extremely-preterm-infants-a-national-population-based-cohort-study
#13
H Norberg, J Kowalski, K Maršál, M Norman
OBJECTIVE: To explore the association between administration-to-birth interval of antenatal corticosteroids (ACS) and survival in extremely preterm infants. DESIGN: Population-based prospective cohort study. SETTING: All obstetric and neonatal units in Sweden from 1 April 2004 to 31 March 2007. POPULATION: All live-born infants (n = 707) born at 22-26 completed weeks of gestation. METHODS: The relationship between time from first administration of ACS to delivery and survival was investigated using Cox proportional hazards regression analysis...
March 15, 2017: BJOG: An International Journal of Obstetrics and Gynaecology
https://www.readbyqxmd.com/read/28274162/neonatal-outcomes-of-preterm-twins-according-to-mode-of-birth-and-presentation
#14
Tiffany Hunter, Jyotsna Shah, Anne Synnes, Sandesh Shivananda, Greg Ryan, Prakesh S Shah, Kellie E Murphy
PURPOSE: To compare neonatal outcomes of twins delivered <33 weeks' gestation in tertiary centers in Canada according to the mode of birth and presentation. MATERIALS AND METHODS: This retrospective cohort from the Canadian Neonatal Network database studied preterm twins born from 24 + 0 to 32 + 6 weeks' gestation between 2005 and 2012. Twins were grouped by the mode of birth: both vaginal, combined vaginal/cesarean section (CS), and both CS. Additionally, twins were grouped by the mode of presentation: both vertex, vertex/breech, breech/vertex, and both breech...
March 8, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28271401/variants-of-the-eaat2-glutamate-transporter-gene-promoter-are-associated-with-cerebral-palsy-in-preterm-infants
#15
Shavanthi Rajatileka, David Odd, Matthew T Robinson, Alexandra C Spittle, Louis Dwomoh, Maggie Williams, David Harding, Miles Wagstaff, Marie Owen, Charlene Crosby, Jared Ching, Elek Molnár, Karen Luyt, Anikó Váradi
Preterm delivery is associated with neurodevelopmental impairment caused by environmental and genetic factors. Dysfunction of the excitatory amino acid transporter 2 (EAAT2) and the resultant impaired glutamate uptake can lead to neurological disorders. In this study, we investigated the role of single nucleotide polymorphisms (SNPs; g.-200C>A and g.-181A>C) in the EAAT2 promoter in susceptibility to brain injury and neurodisability in very preterm infants born at or before 32-week gestation. DNA isolated from newborns' dried blood spots were used for pyrosequencing to detect both SNPs...
March 7, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28267444/a-multicenter-prospective-study-of-neonatal-outcomes-at-less-than-32-weeks-associated-with-indications-for-maternal%C3%A2-admission-and-delivery
#16
Thomas J Garite, C Andrew Combs, Kimberly Maurel, Anita Das, Kevin Huls, Richard Porreco, Dale Reisner, George Lu, Melissa Bush, Bruce Morris, April Bleich
BACKGROUND: Counseling for patients with impending premature delivery traditionally has been based primarily on the projected gestational age at delivery. There are limited data regarding how the indications for the preterm birth affect the neonatal outcome and whether this issue should be taken into account in decisions regarding management and patient counseling. OBJECTIVE: We performed a prospective study of pregnancies resulting in premature delivery at less than 32 weeks to determine the influence of both the indications for admission and their associated indications for delivery on neonatal mortality and complications of prematurity...
March 3, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28258680/bronchopulmonary-dysplasia-in-very-and-extremely-low-birth-weight-infants-analysis-of-selected-risk-factors
#17
Przemysław Kiciński, Marcin Kęsiak, Marek Nowiczewski, Ewa Gulczyńska
AIM: The aim of the study was to analyze the role of specific risk factors affecting the development and clinical course of BPD in infants born before 32 weeks of gestation with a birth weight ≤ 1500g. MATERIALS AND METHODS: The study included 222 infants born and hospitalized at the Department of Neonatology, Polish Mother's Memorial Hospital-Research Institute. At their 28-th day of life, the patients were divided into two groups: with and without BPD. The grade of BPD severity was determined at 36 weeks of postmenstrual age...
February 20, 2017: Polski Merkuriusz Lekarski: Organ Polskiego Towarzystwa Lekarskiego
https://www.readbyqxmd.com/read/28228499/neonatal-morbidity-and-1-year-survival-of-extremely-preterm-infants
#18
Hans Jorgen Stensvold, Claus Klingenberg, Ragnhild Stoen, Dag Moster, Kristin Braekke, Hans Jorgen Guthe, Henriette Astrup, Siren Rettedal, Morten Gronn, Arild E Ronnestad
OBJECTIVE: To determine 1-year survival and major neonatal morbidities (intracranial hemorrhage grade >2, cystic periventricular leukomalacia, retinopathy of prematurity grade >2, necrotizing enterocolitis, severe bronchopulmonary dysplasia) among extremely preterm infants in Norway in 2013-2014, and to compare the results to the first Norwegian Extreme Prematurity Study 1999-2000 and similar contemporary European population-based studies. METHODS: Population-based study of all infants born at 22 through 26 weeks' gestation in Norway in 2013-2014...
March 2017: Pediatrics
https://www.readbyqxmd.com/read/28196391/pentoxifylline-treatment-of-very-low-birth-weight-neonates-with-nosocomial-sepsis
#19
Şahin Hamilçıkan, Emrah Can, Övgü Büke, Meltem Erol, Özlem Bostan Gayret
Objective The objective of this study was to assess the result of intravenous pentoxifylline as an adjunct to antibiotic therapy on mortality and morbidity in very low birth weight (VLBW) preterm neonates with nosocomial sepsis. Methods For the 18 VLBW preterm neonates, as an adjunct therapy to antibiotics regimens, pentoxifylline (5 mg/kg/h for 6 hours) was administered to premature infants with sepsis on 3 successive days. Clinical and laboratory parameters were recorded before and after treatment. Results Following pentoxifylline therapy, the immature-to-total neutrophil ratio and C-reactive protein (CRP) levels were significantly decreased, while the blood pH and base excess were significantly increased (p < 0...
February 14, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28157062/cranial-ultrasound-findings-in-preterm-infants-predict-the-development-of-cerebral-palsy
#20
Ann Lawaetz Skovgaard, Gitte Zachariassen
INTRODUCTION: Our aim was to evaluate any association between gestational age, birth weight and findings on cranial ultrasounds during hospitalisation in very preterm infants and mortality and neurological outcome in childhood. METHOD: This study was a retrospective cohort study based on a patient record review. The cohort consisted of very preterm born children (gestational age ≤ 32 + 0) born from 2004 to 2008. For each infant, we obtained results from all cranial ultrasounds performed during hospitalisation...
February 2017: Danish Medical Journal
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