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Pediatric Pulmonology

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https://www.readbyqxmd.com/read/28714612/weaning-from-long-term-continuous-positive-airway-pressure-or-noninvasive-ventilation-in-children
#1
Meriem Mastouri, Alessandro Amaddeo, Lucie Griffon, Annick Frapin, Samira Touil, Adriana Ramirez, Sonia Khirani, Brigitte Fauroux
OBJECTIVES: A significant number of children are able to discontinue long term continuous positive airway pressure (CPAP) or noninvasive ventilation (NIV) but the underlying disorders, weaning criteria, and outcome of these children have not been studied. STUDY DESIGN: Retrospective cohort follow up. SUBJECT SELECTION: Consecutive children who were weaned from long term CPAP/NIV between October 2013 and January 2016. METHODOLOGY: Underlying disorders, weaning criteria, and clinical outcome were analyzed...
July 17, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28714611/mapping-targetable-inflammation-and-outcomes-with-cystic-fibrosis-biomarkers
#2
Olivia Giddings, Charles R Esther
Cystic fibrosis is characterized by an overly exuberant neutrophilic inflammatory response to pathogens and other stimuli that starts very early in disease. The overwhelming nature of this response is a primary cause of remodeling and destruction of the airways, suggesting that anti-inflammatory therapies could be beneficial in CF. However, finding therapies that can effectively reduce the inflammatory response without compromising host defenses remains elusive. New approaches towards mapping inflammatory targets promise to aid in developing novel therapeutic strategies and improve outcomes in individuals with CF...
July 17, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28714601/cf-related-diabetes-containing-the-metabolic-miscreant-of-cystic-fibrosis
#3
Amir Moheet, Antoinette Moran
Cystic fibrosis-related diabetes (CFRD) is associated with both an increase in morbidity and mortality in people with cystic fibrosis (CF). With increased screening and improved life expectancy of people with CF, the prevalence of CFRD is expected to rise further. The underlying pathophysiological mechanisms causing glucose intolerance and diabetes in patients with CF are not well understood but both functional and structural abnormalities in islet cells are likely to have key roles. Insulin therapy improves health outcomes in patients with CF...
July 17, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28714267/pulmonary-hypoplasia-resulting-from-prolonged-rupture-of-membranes-a-distinct-clinical-entity-with-instructive-experimental-models
#4
EDITORIAL
Lewis P Rubin
No abstract text is available yet for this article.
July 17, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28696535/bmi-predicts-exercise-induced-bronchoconstriction-in-asthmatic-boys
#5
Wilma J van Veen, Jean M M Driessen, Elin T G Kersten, Janneke C van Leeuwen, Marjolein G J Brusse-Keizer, Wim M C van Aalderen, Bernard J Thio
BACKGROUND: Exercise induced bronchoconstriction (EIB) is a frustrating morbidity of asthma in children. Obesity has been associated with asthma and with more severe EIB in asthmatic children. OBJECTIVES: To quantify the effect of BMI on the risk of the occurrence of EIB in children with asthma. METHODS: Data were collected from six studies in which exercise challenge tests were performed according to international guidelines. We included 212 Children aged 7-18 years, with a pediatrician-diagnosed mild-to-moderate asthma...
July 11, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28682006/air-trapping-in-early-cystic-fibrosis-lung-disease-does-ct-tell-the-full-story
#6
Tim Rosenow, Kathryn Ramsey, Lidija Turkovic, Conor P Murray, L Clara Mok, Graham L Hall, Stephen M Stick
INTRODUCTION: Mosaic attenuation on expiratory chest computed tomography (CT) is common in early life cystic fibrosis (CF) and often referred to as "air trapping". It is presumed to be localized hyperinflation due to small airway obstruction. In order to test this assumption, we compared air trapping extent to lung volumes measured on CT in young children with CF. MATERIALS AND METHODS: Children aged below 7 years undergoing inspiratory/expiratory CT were recruited from the Australian Respiratory Early Surveillance Team for Cystic Fibrosis cohort...
July 6, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28682001/weight-correction-of-carbon-dioxide-diffusion-coefficient-dco2-reduces-its-inter-individual-variability-and-improves-its-correlation-with-blood-carbon-dioxide-levels-in-neonates-receiving-high-frequency-oscillatory-ventilation
#7
Gusztav Belteki, Benjamin Lin, Colin J Morley
BACKGROUND: Carbon-dioxide elimination during high-frequency oscillatory ventilation (HFOV) is thought to be proportional to the carbon dioxide diffusion coefficient (DCO2 ) which is calculated as frequency x (tidal volume)(2) . DCO2 can be used to as an indicator of CO2 elimination but values obtained in different patients cannot be directly compared. OBJECTIVES: To analyze the relationship between DCO2 , the weight-corrected DCO2 (DCO2 corr) and blood gas PCO2 values obtained from infants receiving HFOV...
July 6, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28672090/efficacy-of-mycophenolate-on-lung-disease-and-autoimmunity-in-children-with-immunodeficiency
#8
Giorgia Bucciol, Angelamaria Petrone, Maria Caterina Putti
The autoimmune manifestations of primary immunodeficiencies, such as autoimmune lymphoproliferative syndrome (ALPS) and common variable immunodeficiency (CVID), often constitute a great therapeutic challenge and have a significant impact on patients' morbidity and mortality. The most common autoimmune presentations are autoimmune cytopenias, but organ-related autoimmunity is also frequently observed. From a pulmonology perspective, granulomatous/lymphocytic interstitial lung disease (GLILD) is a severe immunological complication which significantly worsens the clinical outcome of these patients and for which there are currently few guidelines or protocols for treatment...
July 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28672086/circulating-branched-chain-amino-acids-in-children-with-obstructive-sleep-apnea
#9
Antonia Barceló, Josep Miquel Bauça, José Antonio Peña-Zarza, Daniel Morell-Garcia, Aina Yáñez, Gerardo Pérez, Javier Piérola, Nuria Toledo, Mónica de la Peña
INTRODUCTION: The effects of obstructive sleep apnea (OSA) on the metabolic system are not well understood, especially in children. Recent studies have provided evidence of the modulation of insulin action by branched-chain amino acids (BCAAs) and suggested novel mechanistic relationships between glucose and amino acid metabolic pathways. We hypothesized that plasma BCAA levels may serve as biomarkers of insulin resistance and metabolic dysfunction in children with OSA. METHODS: A polysomnography was conducted for the diagnosis of OSA in 90 snoring children, in a tertiary hospital...
July 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28672085/structural-and-functional-ventilatory-impairment-in-infants-with-severe-bronchopulmonary-dysplasia
#10
Esther van Mastrigt, Ellaha Kakar, Pierluigi Ciet, Herman T den Dekker, Koen F Joosten, Patricia Kalkman, Renate Swarte, André A Kroon, Harm A W M Tiddens, Johan C de Jongste, Irwin Reiss, Liesbeth Duijts, Mariëlle W Pijnenburg
BACKGROUND: Bronchopulmonary dysplasia (BPD) is the most frequent serious complication in preterm infants. We aimed to describe lung structure and ventilatory function of preterm infants with severe BPD and explored the association between early postnatal growth and these outcomes. METHODS: We included preterm infants born ≤32 weeks gestational age (GA) with severe BPD. Lung structure was assessed on chest CT with the PRAGMA-BPD scoring system and ventilatory function by polysomnography (PSG) at 6 months corrected age...
July 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28672069/the-heterogeneity-of-viral-bronchiolitis-a-lack-of-universal-consensus-definitions
#11
REVIEW
David G Hancock, Billie Charles-Britton, Dani-Louise Dixon, Kevin D Forsyth
Viral bronchiolitis is one of the most common hospital presentations in infancy and as such represents a major healthcare burden worldwide. However despite this, there are currently no effective targeted therapies nor can those infants at highest risk for developing severe disease or subsequent respiratory morbidity be predicted on initial hospital presentation. Current definitions of bronchiolitis in the published literature vary significantly in terms of the age range at presentation, specific clinical symptoms, causative virus, and the inclusion or exclusion of infants with previous presentations and/or various comorbidities...
July 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28672068/effect-of-extending-the-time-after-bronchodilator-administration-on-identifying-bronchodilator-responsiveness-in-a-pediatric-pulmonary-clinic
#12
Jonathan D Cogen, Robert M DiBlasi, Ronald L Gibson, Jason S Debley
OBJECTIVES: American Thoracic Society/European Respiratory Society (ATS/ERS) spirometry interpretation guidelines recommend ≥15 min between pre- and post-bronchodilator testing to evaluate for a bronchodilator response. We aimed to lengthen the time between albuterol administration and post-bronchodilator testing to adhere to ATS/ERS guidelines and evaluated if lengthening this wait time would increase the percentage of patients classified as bronchodilator responsive. METHODS: We compared the proportion of patients with a positive bronchodilator response between two groups of children with asthma, one group in which post-bronchodilator administration wait times were not standardized (pre-intervention) to another in which the wait time was extended to 15 min to adhere to ATS/ERS standards (post-intervention)...
July 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28672067/comparison-of-fev1-reference-equations-for-evaluating-a-cystic-fibrosis-therapeutic-intervention
#13
Michael W Konstan, Jeffrey S Wagener, Donald R VanDevanter, David J Pasta, Stefanie J Millar, Wayne J Morgan
OBJECTIVES: The Global Lung Function Initiative (GLI, 2012) developed reference equations for forced expiratory volume in 1 s (FEV1 ). Previous equations were developed by groups led by Knudson (1983), Wang (1993), Hankinson (1999), and Stanojevic (2008).(1,2,4,6) We assessed how different prediction equations affect the conclusions from a therapeutic intervention study that evaluated the rate of percent predicted FEV1 (ppFEV1 ) decline. METHODOLOGY: Using data from the Epidemiologic Study of cystic fibrosis (CF), we re-analyzed our previous study evaluating the relationship of dornase alfa (DA) use with ppFEV1 using the Knudson, Wang & Hankinson, Stanojevic, and GLI equations...
July 3, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28636794/differences-and-similarities-between-bronchopulmonary-dysplasia-and-asthma-in-schoolchildren
#14
Björn Nordlund, Anna James, Christina Ebersjö, Gunilla Hedlin, Eva B Broström
BACKGROUND: The long-term respiratory characteristics of ex-preterm children with bronchopulmonary dysplasia (BPD) are not established. The objective of this study was to describe hallmarks of BPD at school age in comparison to children with atopic asthma. METHODS: This study was a cross-sectional descriptive comparative study in a hospital-based setting. Thirty schoolchildren diagnosed with BPD (10.4 years/born at 26.6 weeks' gestation) and 30 age- and sex-matched children with asthma and sensitized to airborne allergens (IgE >0...
June 21, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28608652/impact-of-pharmacy-services-on-cystic-fibrosis-medication-adherence
#15
Jeffery T Zobell, Elizabeth Schwab, Dave S Collingridge, Cody Ball, Robert Nohavec, Fadi Asfour
OBJECTIVES: The purpose of this study is to characterize the impact of pharmacy services on medication adherence and hospitalizations for pediatric cystic fibrosis (CF) patients. METHODS: A retrospective health insurance claims analysis and patient medical charts review from January 1, 2014 to December 31, 2016 of patients from the Pediatric Intermountain CF Center was performed. Adherence to dornase alfa and hospital admissions for pulmonary exacerbations pre and post the implementation of an integrated pharmacy team were reviewed...
June 13, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28608633/asymptomatic-pulmonary-arteriovenous-malformations-in-children-with-hereditary-hemorrhagic-telangiectasia
#16
Ashley M Gefen, Andrew J White
BACKGROUND: Children with Hereditary Hemorrhagic Telangiectasia (HHT) may have pulmonary arteriovenous malformations (AVMs), which can lead to symptoms of shortness of breath, exercise intolerance, clubbing, cyanosis and hemoptysis. However, some patients with pulmonary AVMs may be asymptomatic, placing them at risk for complications such as stroke or brain abscess if they are not identified and treated. This study examines the incidence of signs and symptoms associated with pulmonary AVMs in children with HHT known to have pulmonary AVMs...
June 13, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28608632/cystic-fibrosis-year-in-review-2016
#17
REVIEW
Adrienne P Savant, Susanna A McColley
In this article, we highlight cystic fibrosis (CF) research and case reports published in Pediatric Pulmonology during 2016. We also include articles from a variety of journals that are thematically related to these articles, or are of special interest to clinicians.
August 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28608624/four-case-reports-of-chinese-cystic-fibrosis-patients-and-literature-review
#18
Juan Xu, Yong Yin, Lei Zhang, Jing Zhang, Shuhua Yuan, Hao Zhang
AIM: Cystic fibrosis (CF) is an extremely rare disease in Asians. Here, we report four Chinese children with CF and review the literature about Chinese CF patients. METHODS: The cystic fibrosis transmembrane conductance regulator (CFTR) gene testing was performed on four suspected patients for CF screening. We also reviewed the literature about Chinese CF patients from 1970s. The clinical data of all these CF patients were summarized. RESULTS: We diagnosed four CF patients who had mutations in the CFTR gene...
June 13, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28590595/obstructive-sleep-apnea-syndrome-in-children-risk-assessment
#19
LETTER
Tomoyuki Kawada
No abstract text is available yet for this article.
June 7, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28586522/is-sweat-chloride-predictive-of-severity-of-cystic-fibrosis-lung-disease-assessed-by-chest-computed-tomography
#20
Daan Caudri, David Zitter, Inez Bronsveld, Harm Tiddens
BACKGROUND: Cystic Fibrosis (CF) lung disease is characterized by a marked heterogeneity. Sweat chloride-level is a functional marker of the CF Transmembrane Regulator (CFTR) protein and could be an important predictor of later disease severity. METHODS: In this retrospective analysis children from the Rotterdam CF clinic with available sweat chloride level at diagnosis and at least one routine spirometry-controlled volumetric chest CT scan in follow-up were included...
June 6, 2017: Pediatric Pulmonology
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