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https://www.readbyqxmd.com/read/29166367/smoke-free-policies-in-the-world-s-50-busiest-airports-august-2017
#1
Michael A Tynan, Elizabeth Reimels, Jennifer Tucker, Brian A King
Exposure to secondhand smoke from burning tobacco products causes premature death and disease, including coronary heart disease, stroke, and lung cancer among nonsmoking adults and sudden infant death syndrome, acute respiratory infections, middle ear disease, exacerbated asthma, respiratory symptoms, and decreased lung function in children (1,2). The U.S. Surgeon General has concluded that there is no risk-free level of exposure to secondhand smoke (1). Previous CDC reports on airport smoke-free policies found that most large-hub airports in the United States prohibit smoking (3); however, the extent of smoke-free policies at airports globally has not been assessed...
November 24, 2017: MMWR. Morbidity and Mortality Weekly Report
https://www.readbyqxmd.com/read/29164174/early-life-pseudomonas-aeruginosa-infection-in-cystic-fibrosis-and-lung-disease-progression
#2
Argyri Petrocheilou, Maria Papagrigoriou-Theodoridou, Athanasios Michos, Stavros-Eleftherios Doudounakis, Ioanna Loukou, Athanasios Kaditis
Lung disease in cystic fibrosis (CF) starts early, with studies identifying abnormalities on chest computed tomography (CT) scan even in infancy. In this retrospective study, abnormal chest CT was the main outcome; body mass index (BMI) z score and forced expiratory volume percent predicted (FEV1%) predicted at age 6 to 7 years were secondary outcomes. Pseudomonas aeruginosa infection prior to 12 months of age was the main explanatory variable. There was no association between early P aeruginosa infection and abnormal CT after adjustment for CFTR (cystic fibrosis transmembrane conductance regulator) functional mutation class, gender, and other pathogens (odds ratio = 0...
2017: Global Pediatric Health
https://www.readbyqxmd.com/read/29154202/polymorphisms-in-inflammasome-genes-and-risk-of-asthma-in-brazilian-children
#3
Vinicius Nunes Cordeiro Leal, Isabel Rugue Genov, Márcia C Mallozi, Dirceu Solé, Alessandra Pontillo
Considering its role in inflammation and recently described "alternative" roles in epithelial homeostasis and Th1/Th2 balance, we hypothesize that inflammasome genetics could contribute to the development of asthma. Selected functional polymorphisms in inflammasome genes are evaluated in a cohort of asthmatic children and their families. Gain-of-function NLRP1 variants rs11651270, rs12150220 and rs2670660 resulted significantly associated to asthma in trios (TDT) analysis; and rs11651270 and rs2670660 also with asthma severity and total IgE level in asthmatic children...
November 15, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/29153727/lifetime-exposure-to-particulate-air-pollutants-is-negatively-associated-with-lung-function-in-non-asthmatic-children
#4
Hung-Chang Tsui, Chi-Hsien Chen, Ying-Hsuan Wu, Hung-Che Chiang, Bing-Yu Chen, Yue Leon Guo
BACKGROUND: Pulmonary function is known to be affected by acute and subacute exposure to ambient air pollution. However, the impacts of lifetime exposure to air pollution on the pulmonary function of children have been inconsistent. The present study investigated the impact of lifetime residential exposure to intermediate levels of air pollution on the pulmonary function of schoolchildren. METHODS: In 2011, a survey of children aged 6-15 years was conducted in 44 schools in Taiwan...
November 16, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/29152899/lung-function-after-extremely-preterm-birth-a-population-based-cohort-study-express
#5
Per Thunqvist, Ellen Tufvesson, Leif Bjermer, Anna Winberg, Vineta Fellman, Magnus Domellöf, Erik Melén, Mikael Norman, Jenny Hallberg
BACKGROUND AND OBJECTIVES: Follow-up studies of children and young adults born very-to-moderately preterm show persistent and significant lung function deficits. The aim of the study was to determine lung function and airway mechanics in school-aged children born in 2004 to 2007 and extremely preterm (after 22-26 weeks of gestation). METHODS: In a population-based cohort of children born extremely preterm and controls born at term (n = 350), follow-up at 6½-years-of-age was performed using spirometry and impulse oscillometry...
November 20, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29148123/donohue-syndrome-a-review-of-literature-case-series-and-anesthetic-considerations
#6
REVIEW
Alana Kirkwood, Grant Stuart, Louise Harding
BACKGROUND: Donohue syndrome is a rare autosomal recessive disorder of insulin resistance, causing a functional defect in insulin receptor function, and affecting the ability of the insulin to bind the receptor. Features include severe hyperinsulinism and fasting hypoglycemia, along with severe failure to thrive despite feeding. An accelerated fasting state results in muscle wasting, decreased subcutaneous fat, and an excess of thick skin. A reduced thoracic diameter is accentuated by increased abdominal distension, which impacts on respiratory reserve...
November 17, 2017: Paediatric Anaesthesia
https://www.readbyqxmd.com/read/29143374/asthma-and-lung-function-in-adulthood-after-a-viral-wheezing-episode-in-early-childhood
#7
Katri Backman, Hertta Ollikainen, Eija Piippo-Savolainen, Kirsi Nuolivirta, Matti Korppi
BACKGROUND: Viral etiology of infection has a significant role in the long-term outcome of early-childhood wheezing. OBJECTIVE: This study examines asthma and lung function in adulthood after early-childhood wheezing induced by respiratory syncytial virus (RSV) and rhinovirus (RV). METHODS: A total of 100 children were hospitalized for a wheezing episode at less than 24 months of age from 1992 to 1993 in Kuopio University Hospital (Finland)...
November 16, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29143200/structural-and-perfusion-magnetic-resonance-imaging-of-the-lung-in-cystic-fibrosis
#8
Christina Amaxopoulou, Ralph Gnannt, Kai Higashigaito, Andreas Jung, Christian J Kellenberger
BACKGROUND: Because of its absence of ionising radiation and possibility for obtaining functional information, MRI is promising for assessing lung disease in children who require repetitive imaging for long-term follow-up. OBJECTIVE: To describe MRI findings in children with cystic fibrosis and evaluate semi-quantitative dynamic contrast-enhanced lung perfusion. MATERIALS AND METHODS: We retrospectively compared lung MRI in 25 children and young adults with cystic fibrosis (median age 3...
November 15, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/29141316/-a-clinical-analysis-of-micafungin-treatment-of-pulmonary-invasive-fungal-infection-in-pediatric-patients-with-acute-leukemia-or-post-hematopoietic-stem-cells-transplantation
#9
K Huang, K Y Qiu, L L Deng, J P Fang, Y Li, H X Guo, D H Zhou
Objective: To investigate the efficacy and safety of micafungin (MCF) for pulmonary invasive fungal disease (PIFD) in pediatric patients with acute leukemia or post hematopoietic stem cells transplantation. Method: Twenty-five neutropenic PIFD children with acute leukemia or post hematopoietic stem cells transplantation in Sun Yat-sen Memorial Hospital of Sun Yat-sen University were selected from January 2012 to June 2015, including 12 males and 13 females, age range 2-15 (average 6.2±2.0) years. There were 12 cases of acute leukemia (AL) after chemotherapy, 4 cases of acute leukemia (AL) after allogeneic hematopoietic stem cell transplantation (allo-HSCT) and 9 cases of β-thalassemia major after allo-HSCT...
November 2, 2017: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/29140996/childhood-tuberculosis-is-associated-with-decreased-abundance-of-t-cell-gene-transcripts-and-impaired-t-cell-function
#10
Cheryl Hemingway, Maurice Berk, Suzanne T Anderson, Victoria J Wright, Shea Hamilton, Hariklia Eleftherohorinou, Myrsini Kaforou, Greg M Goldgof, Katy Hickman, Beate Kampmann, Johan Schoeman, Brian Eley, David Beatty, Sandra Pienaar, Mark P Nicol, Michael J Griffiths, Simon J Waddell, Sandra M Newton, Lachlan J Coin, David A Relman, Giovanni Montana, Michael Levin
The WHO estimates around a million children contract tuberculosis (TB) annually with over 80 000 deaths from dissemination of infection outside of the lungs. The insidious onset and association with skin test anergy suggests failure of the immune system to both recognise and respond to infection. To understand the immune mechanisms, we studied genome-wide whole blood RNA expression in children with TB meningitis (TBM). Findings were validated in a second cohort of children with TBM and pulmonary TB (PTB), and functional T-cell responses studied in a third cohort of children with TBM, other extrapulmonary TB (EPTB) and PTB...
2017: PloS One
https://www.readbyqxmd.com/read/29140739/cftr-genotype-and-maximal-exercise-capacity-in-cystic-fibrosis-a-cross-sectional-study
#11
Thomas Radtke, Helge Hebestreit, Sabina Gallati, Jane E Schneiderman, Julia Braun, Daniel Stevens, Erik Hj Hulzebos, Tim Takken, Steven R Boas, Don S Urquhart, Larry C Lands, Sergio Tejero, Aleksandar Sovtic, Tiffany Dwyer, Milos Petrovic, Ryan A Harris, Chantal Karila, Daniela Savi, Jakob Usemann, Meir Mei-Zahav, Elpis Hatziagorou, Felix Ratjen, Susi Kriemler
RATIONALE: Cystic fibrosis transmembrane conductance regulator (CFTR) is expressed in human skeletal muscle cells. Variations of CFTR dysfunction among patients with CF may present an important determinant of aerobic exercise capacity in CF. Previous studies on the relationship between CFTR genotype and aerobic exercise capacity are scarce and contradictory. OBJECTIVES: This study was designed to explore factors influencing aerobic exercise capacity, expressed as peak oxygen consumption (VO2peak) with a specific focus on CFTR genotype in children and adults with CF...
November 15, 2017: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29136345/regional-lung-function-testing-in-children-using-electrical-impedance-tomography
#12
Barbara Vogt, Sarah Löhr, Zhanqi Zhao, Christian Falkenberg, Tobias Ankermann, Norbert Weiler, Inéz Frerichs
OBJECTIVE: To evaluate regional lung function in lung-healthy children before and after exercise challenge using electrical impedance tomography (EIT). METHODS: Regional lung function was examined using EIT in 100 lung-healthy children (three age subgroups: 74-121, 122-155, 156-195 months) at baseline and 10 min after exercise. Global lung function was assessed by spirometry using Z-Scores of FEV1 , FVC, FEV1 /FVC, and FEF75 . The same lung function measures were determined in 912 EIT image pixels to enable the spatial and temporal ventilation distribution analysis...
November 14, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29133798/motivational-interviewing-and-urine-cotinine-feedback-to-stop-passive-smoke-exposure-in-children-predisposed-to-asthma-a-randomised-controlled-trial
#13
Sasha G Hutchinson, Gerard van Breukelen, Constant P van Schayck, Brigitte Essers, S Katharine Hammond, Jean W M Muris, Frans J M Feron, Edward Dompeling
We tested the effectiveness of a program consisting of motivational interviewing (MI) and feedback of urine cotinine to stop passive smoking (PS) in children at risk for asthma. Fifty-eight families with children 0-13 years with a high risk of asthma and PS exposure were randomised in a one-year follow-up study. The intervention group received the intervention program during 6 sessions (1/month) and the control group received measurements (questionnaires, urine cotinine, and lung function) only. The primary outcome measure was the percentage of families stopping PS (parental report verified and unverified with the child's urine cotinine concentration <10 μg/l) in children during the intervention program...
November 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29124022/outcomes-of-extracorporeal-membrane-oxygenation-in-children-an-11-year-single-center-experience-in-korea
#14
Hongsun Kim, Ji-Hyuk Yang, Yang Hyun Cho, Tae-Gook Jun, Kiick Sung, Woosik Han
Background: Extracorporeal membrane oxygenation (ECMO) has become an important treatment modality in pediatric patients with cardiopulmonary failure, but few studies have been conducted in Korea. Methods: We conducted a retrospective review of pediatric patients younger than 18 years who were placed on ECMO between January 2004 and December 2014 at Samsung Medical Center. Results: We identified 116 children on ECMO support. The overall rate of successful weaning was 51...
October 2017: Korean Journal of Thoracic and Cardiovascular Surgery
https://www.readbyqxmd.com/read/29122915/elevated-lung-clearance-index-in-infants-with-cystic-fibrosis-shortly-after-birth
#15
Elisabeth Kieninger, Sophie Yammine, Insa Korten, Pinelopi Anagnostopoulou, Florian Singer, Urs Frey, Anne Mornand, Maura Zanolari, Isabelle Rochat, Daniel Trachsel, Dominik Mueller-Suter, Alexander Moeller, Carmen Casaulta, Philipp Latzin
It is not known at what age lung function impairment may arise in children with cystic fibrosis (CF). We assessed lung function shortly after birth in infants with CF diagnosed by newborn screening.We performed infant lung function measurements in a prospective cohort of infants with CF and healthy controls. We assessed lung clearance index (LCI), functional residual capacity (FRC) and tidal breathing parameters. The primary outcome was prevalence and severity of abnormal lung function (±1.64 z-scores) in CF...
November 2017: European Respiratory Journal: Official Journal of the European Society for Clinical Respiratory Physiology
https://www.readbyqxmd.com/read/29117460/maternal-folic-acid-use-during-pregnancy-mthfr-polymorphism-and-child-s-lung-function-and-asthma
#16
Herman T den Dekker, Vincent W V Jaddoe, Irwin K Reiss, Johan C de Jongste, Liesbeth Duijts
BACKGROUND: Folic acid supplement use during pregnancy might affect childhood respiratory health, potentially mediated by methylenetetrahydrofolate-reductase polymorphism C677T (MTHFR-C677T) carriership. OBJECTIVES: We examined the associations of maternal folic acid supplement use and folate, vitamin B12 and homocysteine concentrations during pregnancy with childhood lung function and asthma. METHODS: This study was embedded in a population-based prospective cohort study among 5,653 children...
November 8, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29107378/the-role-of-the-indoor-environment-residential-determinants-of-allergy-asthma-and-pulmonary-function-in-children-from-a-us-mexico-border-community
#17
Erik R Svendsen, Melissa Gonzales, Adwoa Commodore
The El Paso Children's Health Study examined environmental risk factors for allergy and asthma among fourth and fifth grade schoolchildren living in a major United States-Mexico border city. Complete questionnaire information was available for 5210 children, while adequate pulmonary function data were available for a subset of 1874. Herein we studied indoor environmental health risk factors for allergy and asthma. Several indoor environmental risk factors were associated with allergy and asthma. In particular, we found that ant and spider pest problems, pet dogs, fireplace heat, central air conditioning, humidifier use, and cooking with gas stoves were positively associated with both allergy and asthma prevalence...
October 26, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/29106997/interferon-response-to-rsv-by-bronchial-epithelium-from-children-with-asthma-is-inversely-correlated-with-pulmonary-function
#18
M C Altman, S R Reeves, A R Parker, E Whalen, K M S Misura, K A Barrow, R G James, T S Hallstrand, S F Ziegler, J S Debley
BACKGROUND: Respiratory viral infection in early childhood, including that from respiratory syncytial virus (RSV), has been previously associated with the development of asthma. OBJECTIVE: We aimed to determine whether ex vivo RSV infection of bronchial epithelial cells (BECs) from children with asthma would induce specific gene expression patterns, and whether such patterns associate with lung function among BEC donors. METHODS: Primary BECs from carefully characterized children with asthma (n=18) and matched healthy children without asthma (n=8) were differentiated at an air-liquid interface (ALI) for 21 days...
October 26, 2017: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29106576/the-stromal-cell-derived-factor-1-c-x-c-chemokine-receptor-type-4-axis-is-important-in-neutrophil-migration-caused-by-cardiopulmonary-bypass-in-children
#19
Ran Tu, Yanhua Peng, Ying Wang, Xixi Tang, Shouyong Wang
OBJECTIVES: Acute lung injury caused by cardiopulmonary bypass (CPB) is characterized by massive neutrophil migration to the lungs. Neutrophil migration may be closely related to stromal cell-derived factor 1 (SDF-1)/C-X-C chemokine receptor Type 4 (CXCR4) axis activation, which plays an essential role in modulating the trafficking of neutrophils. We investigated the changes in the expression of SDF-1/CXCR4 axis components before and after CPB as well as the role of the axis in driving the migration of neutrophils in patients with congenital heart disease...
November 2, 2017: Interactive Cardiovascular and Thoracic Surgery
https://www.readbyqxmd.com/read/29101282/a-population-based-prospective-cohort-study-examining-the-influence-of-early-life-respiratory-tract-infections-on-school-age-lung-function-and-asthma
#20
Evelien R van Meel, Herman T den Dekker, Niels J Elbert, Pauline W Jansen, Henriëtte A Moll, Irwin K Reiss, Johan C de Jongste, Vincent W V Jaddoe, Liesbeth Duijts
BACKGROUND: Early-life respiratory tract infections could affect airway obstruction and increase asthma risk in later life. However, results from previous studies are inconsistent. OBJECTIVE: We examined the associations of early-life respiratory tract infections with lung function and asthma in school-aged children. METHODS: This study among 5197 children born between April 2002 and January 2006 was embedded in a population-based prospective cohort study...
November 3, 2017: Thorax
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