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Lung function infant

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https://www.readbyqxmd.com/read/28422514/vitamin-c-prevents-offspring-dna-methylation-changes-associated-with-maternal-smoking-in-pregnancy
#1
Lyndsey E Shorey-Kendrick, Cindy T McEvoy, Betsy Ferguson, Julja Burchard, Byung S Park, Lina Gao, Brittany H Vuylsteke, Kristin F Milner, Cynthia D Morris, Eliot R Spindel
BACKGROUND: Infants whose mothers smoked during pregnancy demonstrate lifelong decreases in pulmonary function. DNA methylation changes associated with maternal smoking during pregnancy have been described in placenta and cord blood at delivery, in fetal lung, and in buccal epithelium and blood during childhood. We recently demonstrated in a randomized clinical trial (NCT00632476) that vitamin C supplementation to pregnant smokers can lessen the impact of maternal smoking on offspring pulmonary function and decrease the incidence of wheeze at one year of age...
April 19, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/28417451/prophylactic-anti-staphylococcal-antibiotics-for-cystic-fibrosis
#2
REVIEW
Alan R Smyth, Margaret Rosenfeld
BACKGROUND: Staphylococcus aureus causes pulmonary infection in young children with cystic fibrosis. Prophylactic antibiotics are prescribed hoping to prevent such infection and lung damage. Antibiotics have adverse effects and long-term use might lead to infection with Pseudomonas aeruginosa. This is an update of a previously published review. OBJECTIVES: To assess continuous oral antibiotic prophylaxis to prevent the acquisition of Staphylococcus aureus versus no prophylaxis in people with cystic fibrosis, we tested these hypotheses...
April 18, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28399119/caffeine-ameliorates-hyperoxia-induced-lung-injury-by-protecting-gch1-function-in-neonatal-rat-pups
#3
Xigang Jing, Yi-Wen Huang, Jason Jarzembowski, Yang Shi, Girija G Konduri, Ru-Jeng Teng
BACKGROUND: Bronchopulmonary dysplasia (BPD) is a major morbidity in premature infants, and impaired angiogenesis is considered a major contributor to BPD. Early caffeine treatment decreases the incidence of BPD; the mechanism remains incompletely understood. METHODS: Sprague-Dawley rat pups exposed to normoxia or hyperoxia since birth were treated daily with either 20 mg/kg caffeine or normal saline by intraperitoneal injection from day 2 of life. Lungs were obtained for studies at day 10 and 21...
April 11, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28389088/pulmonary-diagnostics
#4
REVIEW
Steven M Donn, Sunil K Sinha
Term infants with respiratory distress may have extremely varied etiologies of their illnesses. These range from anatomical malformations to infectious or inflammatory conditions to genetic, metabolic, or neurological abnormalities. This article reviews the present array of diagnostic studies available to the clinician, including the physical examination, imaging (radiography, computed tomography, magnetic resonance imaging, ultrasound, and nuclear scanning techniques), lung mechanics and function testing, evaluation of gas exchange (blood gases, pulse oximetry, transcutaneous monitoring, and end-tidal carbon monoxide measurements), and anatomical studies (bronchoscopy and lung biopsy)...
April 4, 2017: Seminars in Fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28385808/does-lack-of-glutathione-peroxidase-1-gene-expression-exacerbate-lung-injury-induced-by-neonatal-hyperoxia-in-mice
#5
Sheena Bouch, Megan O'Reilly, Judy B de Haan, Richard Harding, Foula Sozo
Supplemental oxygen (O2) increases the risk of lung injury in preterm infants owing to an immature antioxidant system. Our objective was to determine whether impairing antioxidant defense by decreasing glutathione peroxidase 1 (GPx1) gene expression increases the injurious effects of hyperoxia. GPx1(+/+) and GPx1(-/-) C57Bl/6J mice were exposed to 21% O2 (Air) or 40% O2 (Hyperoxia; Hyp) from birth to postnatal day 7 (P7d); they were killed at P7d or maintained in air until adulthood (P56d) to assess short-term and long-term effects, respectively...
April 6, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28382490/silencing-of-y-box-binding-protein-1-by-rna-interference-inhibits-proliferation-invasion-and-metastasis-and-enhances-sensitivity-to-cisplatin-through-nf-%C3%AE%C2%BAb-signaling-pathway-in-human-neuroblastoma-sh-sy5y-cells
#6
Hong Wang, Ruowen Sun, Zuofei Chi, Shuang Li, Liangchun Hao
Y-box binding protein-1 (YB-1), a member of Y-box protein family binding DNA and RNA, has been proposed as a novel marker in multiple malignant tumors and found to be associated with tumor malignancy. Neuroblastoma is an embryonal tumor arising from neuroblast cells of the autonomic nervous system, which is the most common cancer diagnosed in infants. It has been reported that YB-1 is highly expressing in various human tumors including nasopharynx, thyroid, lung, breast, colon, ovary, and prostate cancers. This study aimed to investigate the functional role of YB-1 in neuroblastoma by silencing YB-1 using RNA interference (shRNA) in neuroblastoma SH-SY5Y cells...
April 5, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28370347/velocity-vector-imaging-shows-normal-cardiac-systolic-function-in-survivors-of-severe-bronchopulmonary-dysplasia-at-6-16-years-of-age
#7
Piia Suursalmi, Tiina Ojala, Tuija Poutanen, Anneli Eerola, Päivi Korhonen, Tarja Kopeli, Outi Tammela
AIM: This study evaluated global myocardial function and associations between cardiac function and lung function in very low birth weight (VLBW) children, with and without severe radiographic bronchopulmonary dysplasia (BPD), at 6-14 years of age. METHODS: We studied 34 VLBW and 19 term-born controls and the VLBW group was further divided into a BPD group with severe radiographic BPD and those without radiographic BPD in infancy. Detailed right and left ventricular myocardial function was analysed by velocity vector imaging and the left ventricular mass was calculated...
March 31, 2017: Acta Paediatrica
https://www.readbyqxmd.com/read/28352342/different-ventilation-modes-combined-with-ambroxol-in-the-treatment-of-respiratory-distress-syndrome-in-premature-infants
#8
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/28325055/-experience-with-hepatoblastoma-treatment-in-small-children-the-use-of-preoperative-3d-virtual-analysis-mevis-for-liver-resections
#9
J Janek, P Bician, P Kenderessy, P Kothaj, K Novotná, J Koňarčík, Ľ Laca, J Ulianko, I Dedinská
INTRODUCTION: Hepatoblastoma is an uncommon but most frequent liver cancer in infants and children. The therapy is complex, including neoadjuvant, surgical, and adjuvant therapy. For surgery, the presence of a specialized surgeon and an anaesthesiologist is required. For planning the surgery, the 3D analysis MeVis is currently available. The objective of the work is the assessment of a group of children operated for a liver hepatoblastoma and the assessment of contribution of a pre-surgery virtual 3D analysis MeVis for a surgeon...
2017: Rozhledy V Chirurgii: Měsíčník Československé Chirurgické Společnosti
https://www.readbyqxmd.com/read/28277913/observed-to-expected-mri-fetal-lung-volume-can-predict-long-term-lung-morbidity-in-infants-with-congenital-diaphragmatic-hernia
#10
Hiroyuki Tsuda, Tomomi Kotani, Mayo Miura, Yumiko Ito, Shima Hirako, Tomoko Nakano, Kenji Imai, Fumitaka Kikkawa
OBJECTIVE: Congenital diaphragmatic hernia (CDH) causes pulmonary hypoplasia and pulmonary hypertension, which are associated with long-term respiratory problems in infants. The aim of this study was to establish a marker for predicting lung function at 1 year of age in infants with CDH. MATERIAL AND METHODS: Infants with isolated CDH who were delivered after 35 weeks of gestation from April 2008 to June 2016 at Nagoya University Hospital were registered. Regarding alive infants with CDH, only those who underwent follow-up for at least 1 year were registered...
February 24, 2017: Journal of Maternal-fetal & Neonatal Medicine
https://www.readbyqxmd.com/read/28275186/cpg-in-combination-with-an-inhibitor-of-notch-signaling-suppresses-fi-rsv-enhanced-airway-hyperresponsiveness-and-inflammation-through-inhibiting-th17-memory-responses-and-promoting-tissue-resident-memory-cells-in-lungs
#11
Lei Zhang, Hongyong Li, Yan Hai, Wei Yin, Wenjian Li, Boyang Zheng, Xiaomin Du, Na Li, Zhengzheng Zhang, Yuqing Deng, Ruihong Zeng, Lin Wei
Respiratory syncytial virus (RSV) is the leading cause of childhood hospitalizations. The formalin-inactivated RSV (FI-RSV) vaccine enhanced respiratory disease (ERD) has been an obstacle to the development of a safe and effective killed RSV vaccine. Agonists of Toll-like receptor (TLR) have been shown to regulate immune responses induced by FI-RSV. Notch signaling plays critical roles during the differentiation and effector function phases of innate and adaptive immune responses. Cross-talk between TLR and Notch signaling pathways results in fine tuning of TLR-triggered innate inflammatory responses...
March 8, 2017: Journal of Virology
https://www.readbyqxmd.com/read/28267792/low-cord-serum-25-hydroxyvitamin-d-levels-are-associated-with-poor-lung-function-performance-and-increased-respiratory-infection-in-infancy
#12
Shen-Hao Lai, Sui-Ling Liao, Ming-Han Tsai, Man-Chin Hua, Chih-Yung Chiu, Kuo-Wei Yeh, Tsung-Chieh Yao, Jing-Long Huang
BACKGROUND: Perinatal vitamin D deficiency is associated with a higher risk of wheezing in childhood. However, the relationship between vitamin D levels and lung function in infancy has not been investigated. The aim of this study was to investigate the impact of perinatal vitamin D levels on respiratory function and disease outcome in infancy. MATERIALS AND METHODS: Full-term infants without any chronic diseases or major anomalies were enrolled in the Prediction of Allergies in Taiwanese Children cohort study...
2017: PloS One
https://www.readbyqxmd.com/read/28243740/atypical-pulmonary-sequestration-causing-respiratory-distress-in-a-2-month-old-male-infant
#13
Julio Bauza Rossi
Pulmonary sequestrations are non-functional masses of lung tissue lacking normal communication with the tracheobronchial tree and systemic-circulation-derived blood supply. The disconnection between the normal airway and pulmonary arterial supply prevents pulmonary sequestrations from participating in respiration while their aberrant circulation increases the potential for hemodynamic imbalance. Extralobar sequestrations are prenatally diagnosed, congenital lesions that may become symptomatic before or after birth, whereas intralobar sequestrations are usually identified during adulthood...
February 27, 2017: Pediatric Surgery International
https://www.readbyqxmd.com/read/28208028/early-life-wildfire-smoke-exposure-is-associated-with-immune-dysregulation-and-lung-function-decrements-in-adolescence
#14
Carolyn Black, Joan E Gerriets, Justin H Fontaine, Richart W Harper, Nicholas J Kenyon, Fern Tablin, Edward S Schelegle, Lisa A Miller
RATIONALE: The long-term health effects of wildfire smoke exposure in pediatric populations are not known. OBJECTIVE: To determine if early life exposure to wildfire smoke can affect parameters of immunity and airways physiology that are detectable with maturity. METHODS: We studied a mixed gender cohort of rhesus macaque monkeys that were exposed as infants to ambient wood smoke from a series of Northern California wildfires in the summer of 2008...
February 16, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28182566/measurement-of-tidal-breathing-flows-in-infants-using-impedance-pneumography
#15
Leo Pekka Malmberg, Ville-Pekka Seppä, Anne Kotaniemi-Syrjänen, Kristiina Malmström, Merja Kajosaari, Anna S Pelkonen, Jari Viik, Mika J Mäkelä
Tidal breathing flow volume (TBFV) profiles have been used to characterise altered lung function. Impedance pneumography (IP) is a novel option for assessing TBFV curves noninvasively. The aim of this study was to extend the application of IP for infants and to estimate the agreement between IP and direct pneumotachograph (PNT) measurements in assessing tidal airflow and flow-derived indices.Tidal flow profiles were recorded for 1 min simultaneously with PNT and uncalibrated IP at baseline in 44 symptomatic infants, and after methacholine-induced bronchoconstriction in a subgroup (n=20)...
December 19, 2016: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/28170341/the-effects-of-antenatal-glucocorticoid-exposure-on-fetal-and-neonatal-skin-maturation
#16
Deanne August, Yogavijayan Kandasamy
AIMS: The use of antenatal glucocorticoids in women with preterm labor has dramatically improved outcomes for premature infants. The most commonly used antenatal glucocorticoids are betamethasone and dexamethasone. Glucocorticoids accelerate fetal lung growth by several mechanisms, including the maturation of type II pneumocytes enabling surfactant production. Furthermore, the lipids in the lung share similarity with those in the skin. Therefore, antenatal administration of glucocorticoids may have effects on the structure and function of the developing epidermal barrier in fetuses and neonates...
February 7, 2017: Journal of Perinatal Medicine
https://www.readbyqxmd.com/read/28157837/a-novel-surfactant-protein-c-mutation-resulting-in-aberrant-protein-processing-and-altered-subcellular-localization-causes-infantile-interstitial-lung-disease
#17
Da Hong, Yuanyuan Qi, Jing Liu, Huijun Wang, Libo Wang, Liling Qian
BACKGROUND: Mutations in the surfactant protein C gene (SFTPC) result in interstitial lung disease (ILD). Our objective was to report a novel SFTPC mutation and evaluate the effect of this mutant on protein synthesis and processing. METHODS: Genomic DNA was extracted from whole blood of a Chinese infant with ILD and candidate genes associated with ILD were sequenced by next-generation sequencing. Subclones of wild-type and mutant SFTPC were transiently transfected into A549 cells...
February 3, 2017: Pediatric Research
https://www.readbyqxmd.com/read/28121046/maternal-hypertensive-disorders-are-associated-with-increased-use-of-respiratory-support-but-not-chronic-lung-disease-or-poorer-neurodevelopmental-outcomes-in-preterm-neonates-at-29-weeks-of-gestation
#18
Mara Matić, Violet Inati, Mohamed E Abdel-Latif, Alison L Kent
AIM: To assess whether maternal hypertensive disorders in pregnancies result in higher respiratory requirements, risk of chronic lung disease (CLD) and poorer neurodevelopmental outcome in <29-week premature neonates. METHODS: This is a multicentre, retrospective cohort study, within a geographically defined area in Australia, served by a network of 10 neonatal intensive care units (NICUs), consisting of infants <29 weeks of gestational age who were admitted to NICUs between 1998 and 2004...
April 2017: Journal of Paediatrics and Child Health
https://www.readbyqxmd.com/read/28118641/effects-of-breathing-and-apnoea-during-sustained-inflations-in-resuscitation-of-preterm-infants
#19
Gianluca Lista, Francesco Cavigioli, Paola Azzurra La Verde, Francesca Castoldi, Ilia Bresesti, Colin J Morley
BACKGROUND: A sustained inflation (SI) at birth in preterm babies may be ineffective unless the infants breathe. Gain in lung volume is associated with breathing during delivery room non-invasive management. OBJECTIVE: To describe the breathing patterns of preterm infants during an SI and correlate to a calculated gain in lung volume. METHODS: Retrospective observational study. Data collected from a respiratory function monitor during SI (25 cmH2O for 15 s then PEEP at 5 cmH2O) through a face mask in preterm infants (gestational age [GA] ≤31 weeks)...
January 25, 2017: Neonatology
https://www.readbyqxmd.com/read/28108365/neutrophil-subset-responses-in-infants-with-severe-viral-respiratory-infection
#20
Bart Cortjens, Sarah A Ingelse, Job C Calis, Alexander P Vlaar, Leo Koenderman, Reinout A Bem, Job B van Woensel
Neutrophils are the predominant inflammatory cells recruited to the respiratory tract as part of the innate immune response to viral infections. Recent reports indicate the existence of distinct functional neutrophil subsets in the circulatory compartment of adults, following severe inflammatory conditions. Here, we evaluated the occurrence of neutrophil subsets in blood and broncho-alveolar lavage fluid during severe viral respiratory infection in infants based on CD16/CD62L expression. We show that during the course of severe respiratory infection infants may develop four heterogeneous neutrophil subsets in blood (mature, immature, progenitor, and suppressive neutrophils), each with distinct activation states...
January 17, 2017: Clinical Immunology: the Official Journal of the Clinical Immunology Society
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