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https://www.readbyqxmd.com/read/29784518/impact-of-blood-donor-sex-on-transfusion-related-outcomes-in-preterm-infants
#1
Thomas Murphy, Anju Chawla, Richard Tucker, Betty Vohr
OBJECTIVE: Explore the role of red blood cell donor sex on preterm infant neonatal outcomes. STUDY DESIGN: In a retrospective, exploratory, cohort study, the hospital blood bank database was queried for units of blood released to neonatal intensive care unit patients in 2009-2010. The state blood center provided donor sex, and a department database provided neonatal characteristics and morbidities. Comparisons were made for 2 groups: those who ever received female blood and those who did not...
May 18, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29783779/hyperoxia-disrupts-extracellular-signal-regulated-kinases-1-2-induced-angiogenesis-in-the-developing-lungs
#2
Renuka T Menon, Amrit Kumar Shrestha, Roberto Barrios, Binoy Shivanna
Hyperoxia contributes to the pathogenesis of bronchopulmonary dysplasia (BPD), a chronic lung disease of infants that is characterized by interrupted alveologenesis. Disrupted angiogenesis inhibits alveologenesis, but the mechanisms of disrupted angiogenesis in the developing lungs are poorly understood. In pre-clinical BPD models, hyperoxia increases the expression of extracellular signal-regulated kinases (ERK) 1/2; however, its effects on the lung endothelial ERK1/2 signaling are unclear. Further, whether ERK1/2 activation promotes lung angiogenesis in infants is unknown...
May 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29781185/helper-t-cell-responses-and-pulmonary-fungal-infections
#3
REVIEW
Andrew J McDermott, Bruce S Klein
The mucosal surface of the respiratory tract encounters microbes, such as fungal particles, with every inhaled breath. When pathogenic fungi breach the physical barrier and innate immune system within the lung to establish an infection, adaptive immunity is engaged often in the form of helper CD4 T-cell responses. Type 1 responses, characterized by IFNγ production from CD4 cells, promote clearance of Histoplasma capsulatum and Cryptococcus neoformans infection. Likewise, IL-17A production from Th17 cells promotes immunity to Blastomyces dermatitidis and Coccidiodes species infection by recruiting neutrophils...
May 20, 2018: Immunology
https://www.readbyqxmd.com/read/29777223/card9-s12n-facilitates-the-production-of-il-5-by-alveolar-macrophages-for-the-induction-of-type-2-immune-responses
#4
Xia Xu, Jin-Fu Xu, Guoxing Zheng, Hai-Wen Lu, Jie-Lin Duan, Wei Rui, Jian-Hong Guan, Li-Qing Cheng, Dan-Dan Yang, Ming-Chao Wang, Quan-Zhen Lv, Jian-Xiong Li, Xueqiang Zhao, Chun-Xia Chen, Peng Shi, Xin-Ming Jia, Xin Lin
The adaptor CARD9 functions downstream of C-type lectin receptors (CLRs) for the sensing of microbial infection, which leads to responses by the TH 1 and TH 17 subsets of helper T cells. The single-nucleotide polymorphism rs4077515 at CARD9 in the human genome, which results in the substitution S12N (CARD9S12N ), is associated with several autoimmune diseases. However, the function of CARD9S12N has remained unknown. Here we generated CARD9S12N knock-in mice and found that CARD9S12N facilitated the induction of type 2 immune responses after engagement of CLRs...
May 18, 2018: Nature Immunology
https://www.readbyqxmd.com/read/29773689/risk-factors-for-lung-disease-progression-in-children-with-cystic-fibrosis
#5
Marieke van Horck, Kim van de Kant, Bjorn Winkens, Geertjan Wesseling, Vincent Gulmans, Han Hendriks, Chris van der Grinten, Quirijn Jӧbsis, Edward Dompeling
To identify potential risk factors for lung disease progression in children with cystic fibrosis (CF), we studied the longitudinal data of all children with CF (aged ≥5 years) registered in the Dutch CF Registry (2009-2014). Lung disease progression was expressed as a decline in lung function (FEV1 %pred) and the pulmonary exacerbation rate (PEx). Potential risk factors at baseline included: sex, age, best FEV1%pred, best forced vital capacity (FVC)%pred, genotype, BMI z-score, pancreatic insufficiency, medication use (proton pump inhibitors [PPI], prophylactic antibiotics, and inhaled corticosteroids), CF-related diabetes, allergic bronchopulmonary aspergillosis, and colonisation with Pseudomonas aeruginosa The data of 545 children were analysed...
May 17, 2018: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29773664/cognitive-development-and-quality-of-life-associated-with-bpd-in-10-year-olds-born-preterm
#6
Sudhir Sriram, Michael D Schreiber, Michael E Msall, Karl C K Kuban, Robert M Joseph, T Michael O' Shea, Elizabeth N Allred, Alan Leviton
OBJECTIVES: To compare neurocognitive, language, executive function, academic achievement, neurologic and behavioral outcomes, and quality of life at age 10 years in children born extremely preterm who developed bronchopulmonary dysplasia (BPD) to children who did not develop BPD. METHODS: The Extremely Low Gestational Age Newborns study population included 863 children born extremely preterm whose BPD status before discharge was known had an IQ (Differential Ability Scales II [DAS II]) assessment at 10 years...
May 17, 2018: Pediatrics
https://www.readbyqxmd.com/read/29773475/concordance-between-aspergillus-specific-precipitating-antibody-and-igg-in-allergic-bronchopulmonary-aspergillosis
#7
Kazuki Harada, Tsuyoshi Oguma, Akemi Saito, Yuma Fukutomi, Jun Tanaka, Katsuyoshi Tomomatsu, Masami Taniguchi, Koichiro Asano
BACKGROUND: Several serological tests for specific precipitin or IgG are available to demonstrate type III hypersensitivity reactions to Aspergillus species and are essential for infectious fungal disease diagnosis. These assays are also important for allergic bronchopulmonary aspergillosis (ABPA) diagnosis; however, their concordance in ABPA was not well studied. METHODS: Fifty-two ABPA patients diagnosed based on ISHAM criteria were enrolled. Precipitins and IgG specific to Aspergillusfumigatus, Aspergillusniger, Aspergillusflavus, or Aspergillusterreus were measured using Ouchterlony double immunodiffusion tests and ImmunoCAP method, respectively...
May 15, 2018: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29768249/detection-of-cytomegalovirus-in-saliva-from-infants-undergoing-sepsis-evaluation-in-the-neonatal-intensive-care-unit-the-virion-c-study
#8
Andrea Ronchi, Christopher P Ouellette, Asuncion Mejías, Douglas Salamon, Amy Leber, Lorenza Pugni, Fabio Mosca, Pablo J Sánchez
OBJECTIVE: To determine the frequency of detection of cytomegalovirus (CMV) among infants evaluated for late-onset sepsis in the neonatal intensive care unit (NICU). STUDY DESIGN: This study was a prospective cohort study. RESULTS: During the 13-month study, 84 infants underwent 116 sepsis evaluations, and CMV DNA was detected in saliva in three (4%) infants (median: gestational age 28 weeks, birth weight 950 g), representing 5% (n=6) of all sepsis evaluations...
May 16, 2018: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/29767696/clinical-outcomes-related-to-the-gastrointestinal-trophic-effects-of-erythropoietin-in-preterm-neonates-a-systematic-review-and-meta-analysis
#9
Anitha Ananthan, Haribalakrishna Balasubramanian, Shripada Rao, Sanjay Patole
Erythropoietin (EPO) plays an important role in the development and maturation of the gastrointestinal tract. Recombinant EPO (rEPO) has been used to prevent anemia of prematurity. The gastrointestinal trophic effects of EPO may reduce feeding intolerance and necrotizing enterocolitis (NEC) in preterm neonates. The aim of this systematic review of randomized controlled trials (RCTs) was to evaluate the effects of rEPO on clinical outcomes such as feeding intolerance, stage II or higher NEC, any stage NEC, sepsis, retinopathy of prematurity, and bronchopulmonary dysplasia in preterm neonates...
May 1, 2018: Advances in Nutrition
https://www.readbyqxmd.com/read/29765429/the-potentials-and-caveats-of-mesenchymal-stromal-cell-based-therapies-in-the-preterm-infant
#10
REVIEW
Judith Gronbach, Tayyab Shahzad, Sarah Radajewski, Cho-Ming Chao, Saverio Bellusci, Rory E Morty, Tobias Reicherzer, Harald Ehrhardt
Preponderance of proinflammatory signals is a characteristic feature of all acute and resulting long-term morbidities of the preterm infant. The proinflammatory actions are best characterized for bronchopulmonary dysplasia (BPD) which is the chronic lung disease of the preterm infant with lifelong restrictions of pulmonary function and severe consequences for psychomotor development and quality of life. Besides BPD, the immature brain, eye, and gut are also exposed to inflammatory injuries provoked by infection, mechanical ventilation, and oxygen toxicity...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29765059/postnatal-microstructural-developmental-trajectory-of-corpus-callosum-subregions-and-relationship-to-clinical-factors-in-very-preterm-infants
#11
Radhika Teli, Margaret Hay, Alexa Hershey, Manoj Kumar, Han Yin, Nehal A Parikh
Our objectives were to define the microstructural developmental trajectory of six corpus callosum subregions and identify perinatal clinical factors that influence early development of these subregions in very preterm infants. We performed a longitudinal cohort study of very preterm infants (32 weeks gestational age or younger) (N = 36) who underwent structural MRI and diffusion tensor imaging serially at four time points - before 32, 32, 38, and 52 weeks postmenstrual age. We divided the corpus callosum into six subregions, performed probabilistic tractography, and used linear mixed effects models to evaluate the influence of antecedent clinical factors on its microstructural growth trajectory...
May 15, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29764580/-effect-of-rhubarb-on-neonatal-rats-with-bronchopulmonary-dysplasia-induced-by-hyperoxia
#12
Ling-Ling Yin, Zhen-Zhi Ye, Li-Jun Tang, Liang Guo, Wei-Min Huang
OBJECTIVE: To study the effect of rhubarb on neonatal rats with bronchopulmonary dysplasia (BPD) induced by hyperoxia. METHODS: A total of 64 rats (postnatal day 4) were randomly divided into four groups: air control, rhubarb control, hyperoxia model, and hyperoxia+rhubarb (n=16 each). The rats in the hyperoxia model and hyperoxia+rhubarb groups were exposed to hyperoxia (60% O2) to establish a BPD model. The rats in the rhubarb control and hyperoxia+rhubarb groups were given rhubarb extract suspension (600 mg/kg) by gavage daily...
May 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29764579/-dynamic-expression-and-role-of-sumo-modified-c-ebp-alpha-in-preterm-rats-with-bronchopulmonary-dysplasisa-induced-by-hyperoxia-exposure
#13
Yue Zhu, Hong-Yan Lu, Xiao-Bo Hao, Ming Chang, Qiu-Xia Wang, Feng-Yun Wan, Xue-Qing Wan
OBJECTIVE: To study the expression of SUMO-modified CCAAT enhancer binding protein α (C/EBPα) in preterm rat model of bronchopulmonary dysplasisa (BPD) induced by hyperoxia exposure and its role. METHODS: Eighteen preterm rats were randomly divided into an air group and a hyperoxia group (n=9 each). The model of BPD was prepared in preterm rats exposed to hyperoxia. The rats from the two groups were sacrificed on postnatal days 4, 7 and 14 respectively (3 rats at each time) and lung tissues were harvested...
May 2018: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/29763721/new-insights-into-hypoxia-related-mechanisms-involved-in-different-microvascular-patterns-of-bronchopulmonary-carcinoids-and-poorly-differentiated-neuroendocrine-carcinomas-role-of-ribonuclease-t2-rnaset2-and-hif-1-alpha
#14
Silvia Uccella, Stefano La Rosa, Debora Scaldaferri, Laura Monti, Roberta Maragliano, Elisa Sorrenti, Marzia Gariboldi, Roberto Taramelli, Fausto Sessa, Francesco Acquati
Ribonuclease T2 (RNASET2) is a pleiotropic and polyfunctional protein, which exerts several different activities in neoplastic cells since the early steps of tumor development. Besides having an antitumorigenic activity, RNASET2 inhibits both bFGF-induced and VEGF-induced angiogenesis and has a role as a stress-response, alarmin-like, protein. In this study, we investigated RNASET2 expression in well-differentiated and poorly differentiated neuroendocrine neoplasms of the lung (Lu-NENs), which are known to show clear-cut differences in morphology, biology and clinical behavior...
May 12, 2018: Human Pathology
https://www.readbyqxmd.com/read/29754840/-respiratory-physiotherapy-in-acute-viral-bronchiolitis-in-the-newborn-pro-con-arguments
#15
REVIEW
G Postiaux, P Maffei, J-C Villiot-Danger, J-C Dubus
This article reports an exchange of unbiased arguments between Mr Guy Postiaux speaking in favour of respiratory physiotherapy in acute viral bronchiolitis in the newborn and Prof. Jean-Christoph Dubus arguing against. A review of the literature suggests that traditional methods of physiotherapy should be abandoned because they are not validated and because they have harmful side effects. The latest Cochrane revue (2016) suggests the use of slow expiration techniques that have some validated elements and cause no harmful side effects...
May 10, 2018: Revue des Maladies Respiratoires
https://www.readbyqxmd.com/read/29754462/predictors-of-outcome-of-prematurely-born-infants-with-pulmonary-interstitial-emphysema
#16
Emma Williams, Theodore Dassios, Paul Clarke, Olie Chowdhury, Anne Greenough
AIM: To determine how oxygenation, ventilation efficiency and tidal volume requirements changed with the development of pulmonary interstitial emphysema (PIE) and whether in affected patients a composite gas exchange index predicted death or bronchopulmonary dysplasia (BPD). METHODS: Infants who developed PIE from 2010 to 2016 were identified. The oxygenation index, ventilation efficiency index, ventilation to perfusion ratio and inspiratory tidal volume were calculated before radiological evidence of PIE (pre-PIE) and at the worst PIE radiographic appearance (PIE-worst)...
May 13, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29753546/sildenafil-and-retinopathy-of-prematurity-in-preterm-infants-with-bronchopulmonary-dysplasia
#17
David Aboudi, Nithya Swaminathan, Heather Brumberg, Qiuhu Shi, Deborah Friedman, Boriana Parvez, Usha Krishnan
OBJECTIVE: To assess whether sildenafil is associated with worsening retinopathy of prematurity (ROP) in very low birth weight (VLBW) infants (≤1500 g) with bronchopulmonary dysplasia (BPD). STUDY DESIGN: This retrospective case-control study included VLBW infants admitted to the neonatal intensive care unit between January 1, 2006, and December 31, 2012. Each infant treated with sildenafil was assigned 3 unexposed controls matched for gestational age, birth weight, and BPD diagnosis...
May 9, 2018: Journal of Pediatrics
https://www.readbyqxmd.com/read/29752125/persistent-and-progressive-long-term-lung-disease-in-survivors-of-preterm-birth
#18
REVIEW
Rhea Urs, Sailesh Kotecha, Graham L Hall, Shannon J Simpson
Preterm birth accounts for approximately 11% of births globally, with rates increasing across many countries. Concurrent advances in neonatal care have led to increased survival of infants of lower gestational age (GA). However, infants born <32 weeks of GA experience adverse respiratory outcomes, manifesting with increased respiratory symptoms, hospitalisation and health care utilisation into early childhood. The development of bronchopulmonary dysplasia (BPD) - the chronic lung disease of prematurity - further increases the risk of poor respiratory outcomes throughout childhood, into adolescence and adulthood...
April 13, 2018: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/29751747/a-fatal-case-associated-with-respiratory-syncytial-virus-infection-in-a-young-child
#19
Lili Xu, Hengmiao Gao, Jiansheng Zeng, Jun Liu, Cong Lu, Xiaolei Guan, Suyun Qian, Zhengde Xie
BACKGROUND: Respiratory syncytial virus (RSV) is the most common viral cause of pediatric bronchiolitis and pneumonia worldwide. Risk factors for high mortality and prolonged morbidity after RSV infection include premature birth, bronchopulmonary dysplasia, congenital heart disease, and Down syndrome. However, some previously healthy, full-term children who are infected with RSV also require hospitalization and even experience severe sequelae or death. CASE PRESENTATION: In this report, we present the case of an RSV-associated death of a child who was born at full-term and developed normally up to the age of 2 years old...
May 11, 2018: BMC Infectious Diseases
https://www.readbyqxmd.com/read/29751368/rapid-systematic-review-shows-that-using-a-high-flow-nasal-cannula-is-inferior-to-nasal-continuous-positive-airway-pressure-as-first-line-support-in-preterm-neonates
#20
REVIEW
Francesca Conte, Luigi Orfeo, Camilla Gizzi, Luca Massenzi, Salvatore Fasola
AIM: We reviewed using a high-flow nasal cannula (HFNC) as first-line support for preterm neonates with, or at risk of, respiratory distress. METHODS: This rapid systematic review covered biomedical databases up to June 2017. We included randomised controlled trials (RCTs) published in English. The reference lists of the studies and relevant reviews we included were also screened. We performed the study selection, data extraction, study quality assessment, meta-analysis and quality of evidence assessment following the Grading of Recommendations Assessment, Development and Evaluation system...
May 11, 2018: Acta Paediatrica
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