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Bronchopulmonary Dysplasia

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https://www.readbyqxmd.com/read/28237418/micrornas-in-lung-development-and-disease
#1
REVIEW
Dustin Ameis, Naghmeh Khoshgoo, Barbara M Iwasiow, Phillip Snarr, Richard Keijzer
MicroRNAs (miRNAs) are small (∼22 nucleotides), non-coding RNA molecules that regulate gene expression post-transcriptionally by inhibiting target mRNAs. Research into the roles of miRNAs in lung development and disease is at the early stages. In this review, we discuss the role of miRNAs in pediatric respiratory disease, including cystic fibrosis, asthma, and bronchopulmonary dysplasia.
December 14, 2016: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/28236418/one-year-observational-study-of-palivizumab-prophylaxis-on-infants-at-risk-for-respiratory-syncytial-virus-infection-in-latin-america
#2
Leandro Martin Castillo, Gabriela Bugarin, Juan Carlos Arias, Jairo Israel Barajas Rangel, Maria Elina Serra, Nestor Vain
OBJECTIVE: This study aims to describe real world palivizumab use and effectiveness in high-risk Latin American infants and young children. METHOD: Prospective, multicenter observational study with infants at risk for severe RSV infection who received palivizumab according to routine clinical practice. Subjects were followed for one year with monthly visits after the first dose of palivizumab. An infant was considered adherent if receiving all the expected injections or five or fewer injections within appropriate inter-dose intervals...
February 22, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28235094/altered-vasoreactivity-in-neonatal-rats-with-pulmonary-hypertension-associated-with-bronchopulmonary-dysplasia-implication-of-both-enos-phosphorylation-and-calcium-signaling
#3
Eric Dumas de la Roque, Gwladys Smeralda, Jean-François Quignard, Véronique Freund-Michel, Arnaud Courtois, Roger Marthan, Bernard Muller, Christelle Guibert, Mathilde Dubois
Bronchopulmonary dysplasia (BPD) consists of an arrest of pulmonary vascular and alveolar growth, with persistent hypoplasia of the pulmonary microvasculature and alveolar simplification. In 25 to 40% of the cases, BPD is complicated by pulmonary hypertension (BPD-PH) that significantly increases the risk of morbidity. In vivo studies suggest that increased pulmonary vascular tone could contribute to late PH in BPD. Nevertheless, an alteration in vasoreactivity as well as the mechanisms involved remain to be confirmed...
2017: PloS One
https://www.readbyqxmd.com/read/28231603/the-effect-of-birth-order-on-neonatal-morbidity-and-mortality-in-very-preterm-twins
#4
Elad Mei-Dan, Jyotsna Shah, Shoo Lee, Prakesh S Shah, Kellie E Murphy
Objective  This retrospective cohort study examined the effect of birth order on neonatal morbidity and mortality in very preterm twins. Study Design Using 2005 to 2012 data from the Canadian Neonatal Network, very preterm twins born between 24 (0/7) and 32 (6/7) weeks of gestation were included. Odds of morbidity and mortality of second-born cotwins compared with first-born cotwins were examined by matched-pair analysis. Outcomes were neonatal death, severe brain injury (intraventricular hemorrhage grade 3 or 4 or persistent periventricular echogenicity), bronchopulmonary dysplasia, severe retinopathy of prematurity (ROP) (> stage 2), necrotizing enterocolitis (≥ stage 2), and respiratory distress syndrome (RDS)...
February 23, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28229480/echocardiographic-evaluation-of-right-ventricular-function-in-preterm-infants-with-bronchopulmonary-dysplasia
#5
Renata Bokiniec, Paweł Własienko, Maria Borszewska-Kornacka, Joanna Szymkiewicz-Dangel
AIM: To evaluate right ventricular function in preterm infants with and without bronchopulmonary dysplasia. METHODS: Eighty-nine preterm infants (<32 weeks) were divided into three groups: (1) no-bronchopulmonary dysplasia (n=32); (2) mild-bronchopulmonary dysplasia (n=35); (3) severe-bronchopulmonary dysplasia (n=15). Right ventricular echocardiographic parameters included the following: (1) pulsed-wave Doppler through the tricuspid valve (E/A ratio), pulmonary artery acceleration time, right ventricular ejection time, right ventricular velocity-time integral; (2) tissue Doppler measurements of myocardial velocities and atrioventricular conduction times; (3) pulsed-wave Doppler and tissue Doppler evaluation of myocardial performance index and E/E' ratio; and (4) M-mode detection of right ventricular end-diastolic wall diameter...
February 23, 2017: Echocardiography
https://www.readbyqxmd.com/read/28228499/neonatal-morbidity-and-1-year-survival-of-extremely-preterm-infants
#6
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...
February 22, 2017: Pediatrics
https://www.readbyqxmd.com/read/28221733/regional-lung-ventilation-pattern-in-preschool-children-with-bronchopulmonary-dysplasia-is-modified-by-bronchodilator-response
#7
Wojciech Durlak, Małgorzata Klimek, Przemko Kwinta
BACKGROUND: Bronchopulmonary dysplasia (BPD) remains a significant long-term complication of prematurity. A standardized method of pulmonary function testing is still not available in preschool children with BPD. We investigated the feasibility of Electrical Impedance Segmentography (EIS) monitoring in this group and the impact of bronchodilator response (BDR) to salbutamol on the pattern of lung ventilation. METHODS: We conducted a follow-up study of 4-year-old premature children who had been treated in the tertiary NICU...
March 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28221241/hyperpolarized-helium-3-diffusion-weighted-magnetic-resonance-imaging-detects-abnormalities-of-lung-structure-in-children-with-bronchopulmonary-dysplasia
#8
Lucia Flors, John P Mugler, Alix Paget-Brown, Deborah K Froh, Eduard E de Lange, James T Patrie, Talissa A Altes
PURPOSE: The aim of the study was to determine whether hyperpolarized He diffusion-weighted magnetic resonance imaging detects abnormalities in the lungs in children with bronchopulmonary dysplasia (BPD) as compared with age-matched normal children. MATERIALS AND METHODS: All experiments were compliant with Health Insurance Portability and Accountability Act (HIPAA) and performed with Food and Drug Administration approval under an IND application. The protocol was approved by our Institutional Review Board, and written informed consent was obtained...
February 17, 2017: Journal of Thoracic Imaging
https://www.readbyqxmd.com/read/28214832/the-burden-of-respiratory-disease-in-very-low-birth-weight-infants-changes-in-perinatal-care-and-outcomes-in-a-decade-in-spain
#9
Fermín García-Muñoz Rodrigo, Antonio Losada Martínez, María Dolores Elorza Fernández, Julio Moreno Hernando, Josep Figueras Aloy, Máximo Vento Torres
BACKGROUND: Advances in perinatal care have led to a significant reduction in morbidity and mortality among very-low-birth-weight (VLBW) infants. Much of this progress is related to the prevention and management of respiratory disease. OBJECTIVES: To evaluate changes in perinatal care and its influence on respiratory morbidity and mortality among VLBW infants in Spain in 2 consecutive periods (2002-2006 and 2007-2011). METHODS: This is a retrospective analysis of data prospectively collected of all VLBW infants included in the Spanish SEN1500 network...
February 18, 2017: Neonatology
https://www.readbyqxmd.com/read/28213471/attenuation-of-endoplasmic-reticulum-stress-by-caffeine-ameliorates-hyperoxia-induced-lung-injury
#10
Ru-Jeng Teng, Xigang Jing, Teresa Michalkiewicz, Adeleye J Afolayan, Tzong-Jin Wu, Girija G Konduri
Rodent pups exposed to hyperoxia develop lung changes similar to bronchopulmonary dysplasia (BPD) in extremely premature infants. Oxidative stress from hyperoxia can injure developing lungs through endoplasmic reticulum (ER) stress. Early caffeine treatment decreases the rate of BPD, but the mechanisms remain unclear. We hypothesized that caffeine attenuates hyperoxia-induced lung injury through its chemical chaperone property. Sprague-Dawley rat pups were raised either in 90% (hyperoxia) or 21% (normoxia) oxygen from postnatal day 1 (P1) to postnatal day 10 (P10) and then recovered in 21% oxygen until P21...
February 17, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28206997/pulmonary-hypertension-in-preterm-infants-results-of-a-prospective-screening-program
#11
C G Weismann, J D Asnes, A Bazzy-Asaad, C Tolomeo, R A Ehrenkranz, M J Bizzarro
OBJECTIVE: Determine prevalence and associations with pulmonary hypertension (PH) in preterm infants. STUDY DESIGN: Prospective institutional echocardiographic PH screening at 36 to 38 weeks' corrected gestational age (GA) for infants born <32 weeks' GA who had bronchopulmonary dysplasia (BPD; group BPD), and infants without BPD who had a birth weight (BW) <750 g, or clinical suspicion for PH (group NoBPD). RESULTS: Two hundred and four infants were screened (GA 25...
February 16, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/28202108/-clinical-efficacy-of-pulmonary-surfactant-combined-with-budesonide-for-preventing-bronchopulmonary-dysplasia-in-very-low-birth-weight-infants
#12
Jing Pan, Ming-Wu Chen, Wen-Quan Ni, Tao Fang, Hui Zhang, Ye Chen, Jia-Hua Pan
OBJECTIVE: To explore the clinical efficacy of intratracheal instillation of pulmonary surfactant (PS) combined with budesonide for preventing bronchopulmonary dysplasia (BPD) in very low birth weight (VLBW) infants. METHODS: Thirty VLBW infants with gestational age <32 weeks who developed neonatal respiratory distress syndrome (NRDS) (grade III-IV) suffering from intrauterine infection were randomly assigned into a PS + budesonide group and a PS alone group...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28201824/evidence-of-early-pulmonary-hypertension-is-associated-with-increased-mortality-in-very-low-birth-weight-infants
#13
Andrew Berenz, Jeffrey E Vergales, Jonathan R Swanson, Robert A Sinkin
Objective The objective of this study was to describe the inhospital outcomes of a high-risk cohort of very low birth weight infants with evidence of pulmonary hypertension (PHT) within the first 2 weeks after delivery. Design A retrospective cohort study of consecutively admitted neonates with birth weight < 1,500 g admitted to a Level IV neonatal intensive care unit who were evaluated by echocardiogram between 72 hours and 14 days. Results A total of 343 eligible infants were included in the cohort with a median gestational age of 25...
February 15, 2017: American Journal of Perinatology
https://www.readbyqxmd.com/read/28201809/newborn-mice-lacking-the-gene-for-cyp1a1-are-more-susceptible-to-oxygen-mediated-lung-injury-and-are-rescued-by-postnatal-%C3%AE-napthoflavone-bnf-administration-implications-for-bronchopulmonary-dysplasia-bpd-in-premature-infants
#14
Paramahamsa Maturu, Yanhong Wei-Liang, Weiwu Jiang, Lihua Wang, Krithika Lingappan, Roberto Barrios, Yao Liang, Bhagavatula Moorthy, Xanthi I Couroucli
No abstract text is available yet for this article.
February 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28199157/the-evolution-of-bronchopulmonary-dysplasia-after-50-years
#15
Steven H Abman, Eduardo Bancalari, Alan Jobe
No abstract text is available yet for this article.
February 15, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28196293/developing-a-better-and-practical-definition-of-bronchopulmonary-dysplasia
#16
Sascha Meyer, Axel R Franz, Johannes Bay, Ludwig Gortner
The synopsis by Hines et al reports various definitions of bronchopulmonary dysplasia (BPD) (1). We agree there is a need to harmonise the definition of BPD and our definition (2) was adapted from the National Institute of Child Health and Human Development network definition by Jobe and Bancalari (3) It incorporates important aspects that have evolved over time, such as the use of high-flow nasal cannulas, and takes into account differences between clinical centres, including different target oxygen saturations...
February 14, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28192119/leflunomide-induces-nad-p-h-quinone-dehydrogenase-1-enzyme-via-the-aryl-hydrocarbon-receptor-in-neonatal-mice
#17
Amrit Kumar Shrestha, Ananddeep Patel, Renuka T Menon, Weiwu Jiang, Lihua Wang, Bhagavatula Moorthy, Binoy Shivanna
Aryl hydrocarbon receptor (AhR) has been increasingly recognized to play a crucial role in normal physiological homeostasis. Additionally, disrupted AhR signaling leads to several pathological states in the lung and liver. AhR activation transcriptionally induces detoxifying enzymes such as cytochrome P450 (CYP) 1A and NAD(P)H quinone dehydrogenase 1 (NQO1). The toxicity profiles of the classical AhR ligands such as 3-methylcholanthrene and dioxins limit their use as a therapeutic agent in humans. Hence, there is a need to identify nontoxic AhR ligands to develop AhR as a clinically relevant druggable target...
February 10, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28188770/fetal-and-neonatal-outcomes-of-preterm-infants-born-before-32-weeks-of-gestation-according-to-antenatal-versus-postnatal-assessments-of-restricted-growth
#18
Isabelle Monier, Pierre-Yves Ancel, Anne Ego, Pierre-Henri Jarreau, Cécile Lebeaux, Monique Kaminski, François Goffinet, Jennifer Zeitlin
BACKGROUND: Fetal growth restriction is defined using ultrasound parameters during pregnancy or as a low birthweight for gestational age (GA) after birth, but these definitions are not always concordant. OBJECTIVE: To investigate fetal and neonatal outcomes based on antenatal versus postnatal assessments of growth restriction. STUDY DESIGN: From the EPIPAGE 2 population-based prospective study of very preterm births in France in 2011, we included 2919 singleton non-anomalous infants 24 to 31 weeks' GA...
February 8, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28188494/palivizumab-exposure-and-the-risk-of-atopic-dermatitis-asthma-and-allergic-rhinoconjunctivitis-a-cross-national-population-based-cohort-study
#19
Ann Haerskjold, Lonny Stokholm, Marie Linder, Simon Francis Thomsen, Gunnar Bergman, Ingegärd Anveden Berglind, Helle Kieler, Henrik Ravn, Lone Graff Stensballe
BACKGROUND: Palivizumab is a humanized monoclonal antibody designed to provide passive immunity against respiratory syncytial virus. It is prescribed to children at high risk for severe infection with respiratory syncytial virus. However, little is known about the risk of the immune-mediated diseases atopic dermatitis, asthma, and allergic rhinoconjunctivitis after palivizumab exposure. AIM: Our objective was to investigate whether exposure to palivizumab was associated with atopic dermatitis, asthma, or allergic rhinoconjunctivitis in childhood...
February 10, 2017: Paediatric Drugs
https://www.readbyqxmd.com/read/28188008/risk-factors-for-development-of-pulmonary-hypertension-in-infants-with-bronchopulmonary-dysplasia-systematic-review-and-meta-analysis
#20
REVIEW
Mohamed Nagiub, Usama Kanaan, Dawn Simon, Lokesh Guglani
OBJECTIVES: Preterm infants with bronchopulmonary dysplasia (BPD) are at increased risk for development of Pulmonary Hypertension (PHT). We performed a systematic review and meta-analysis to identify risk factors for development of PHT in infants with BPD. STUDY DESIGN: A systematic review identified risk factors for the development of PHT in infants with BPD. A meta-analysis of the pooled data was performed for each individual risk factor. RESULT: Of the 20 risk factors identified, 10 were repeated more than once in nine studies...
November 22, 2016: Paediatric Respiratory Reviews
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