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Asthma, spirometry in children

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https://www.readbyqxmd.com/read/29628377/lung-function-trajectories-from-pre-school-age-to-adulthood-and-their-associations-with-early-life-factors-a-retrospective-analysis-of-three-population-based-birth-cohort-studies
#1
Danielle C M Belgrave, Raquel Granell, Steve W Turner, John A Curtin, Iain E Buchan, Peter N Le Souëf, Angela Simpson, A John Henderson, Adnan Custovic
BACKGROUND: Maximal lung function in early adulthood is an important determinant of mortality and COPD. We investigated whether distinct trajectories of lung function are present during childhood and whether these extend to adulthood and infancy. METHODS: To ascertain trajectories of FEV1 , we studied two population-based birth cohorts (MAAS and ALSPAC) with repeat spirometry from childhood into early adulthood (1046 participants from 5-16 years and 1390 participants from 8-24 years)...
April 5, 2018: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/29627424/asthma-across-the-lifespan-time-for-a-paradigm-shift
#2
Stanley J Szefler
We have a unique opportunity to significantly reduce the worldwide burden of asthma in children and impact respiratory outcomes in adults. However, this will require a paradigm shift that is directed at altering the natural history of asthma, reducing asthma exacerbations and preventing long-term adverse outcomes of childhood asthma. Attention should continue to be directed toward minimizing risk as well as impairment with a goal to achieve optimal control. Based on several NIH studies conducted over the last 10 years we now have the tools necessary to accomplish this goal...
April 5, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29599679/seasonal-variation-of-asthma-control-lung-function-tests-and-allergic-inflammation-in-relation-to-vitamin-d-levels-a-prospective-annual-study
#3
Sehra Birgül Batmaz, Tuğba Arıkoğlu, Lülüfer Tamer, Gülçin Eskandari, Semanur Kuyucu
Introduction: There are scarce data about the role of vitamin D (vitD) in asthma control related to seasons and other confounders. Aim: To investigate the seasonal relationship between vitD levels and asthma control, lung function tests (LFTs) and cytokines during a 1-year period, among 7-17-year-old asthmatic children. Material and methods: Thirty patients with asthma with house dust mite monosensitization were evaluated 3 monthly about the previous month's health and vitD related lifestyle factors and asthma control test (ACT), spirometry and bronchial provocation test for a year...
February 2018: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29557596/severe-asthma-in-pediatrics-outcomes-of-the-implementation-of-a-special-health-care-protocol
#4
Verónica Giubergia, María J Ramirez Farías, Verónica Pérez, Adriana González, Nancy Crespi, Nora Fridman, Claudio Castaños
INTRODUCTION: Severe asthma accounts for 5-7% of all asthma cases. The World Health Organization proposed a follow-up protocol to classify cases into severe, treatment-resistant asthma (STRA) or severe, difficult-to-control asthma (SDCA). OBJECTIVE: To analyze the clinical, functional, and therapeutic characteristics of patients with STRA or SDCA. METHODS: Cross-sectional, observational, and analytical study to assess the diagnosis, the extent of control (clinical and functional), comorbidities, treatment adherence, inhalation technique, and environmental factors in patients with severe asthma...
April 1, 2018: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/29549701/assessment-of-small-airway-function-and-reversibility-in-symptom-controlled-asthma-in-pediatric-patients
#5
Rattapon Uppala, Prapapan Kaenpugdee, Sureeporn Srisutthikamol, Jamaree Teeratakulpisarn
BACKGROUND: The goals of asthma management aim to control the symptoms and minimize future risk. There is, however, an option to stop controller medication if the patient has been well-controlled for at least 6-12 months. To assess control, both clinical symptom assessment and lung function should be monitored periodically. In practical clinical practice of pediatric patients, lung function is not available at all health centers. OBJECTIVES: to determine lung function with a focus on small airway function and the risk of reversibility among children who have been symptom-controlled...
March 12, 2018: Asian Pacific Journal of Allergy and Immunology
https://www.readbyqxmd.com/read/29529048/swimming-pool-exposure-is-associated-with-autonomic-changes-and-increased-airway-reactivity-to-a-beta-2-agonist-in-school-aged-children-a-cross-sectional-survey
#6
João Cavaleiro Rufo, Inês Paciência, Diana Silva, Carla Martins, Joana Madureira, Eduardo de Oliveira Fernandes, Patrícia Padrão, Pedro Moreira, Luís Delgado, André Moreira
BACKGROUND: Endurance swimming exercises coupled to disinfection by-products exposure has been associated with increased airways dysfunction and neurogenic inflammation in elite swimmers. However, the impact of swimming pool exposure at a recreational level on autonomic activity has never been explored. Therefore, this study aimed to investigate how swimming pool attendance is influencing lung and autonomic function in school-aged children. METHODS: A total of 858 children enrolled a cross sectional survey...
2018: PloS One
https://www.readbyqxmd.com/read/29522812/abnormal-lung-function-at-preschool-age-asthma-in-adolescence
#7
Katariina Lajunen, Satu Kalliola, Anne Kotaniemi-Syrjänen, Seppo Sarna, L Pekka Malmberg, Anna S Pelkonen, Mika J Mäkelä
BACKGROUND: Asthma often begins early in childhood. However, the risk for persistence is challenging to evaluate. OBJECTIVE: This longitudinal study relates lung function assessed with impulse oscillometry (IOS) in preschool children to asthma in adolescence. METHODS: Lung function was measured with IOS in 255 children with asthma-like symptoms aged 4-7 years. Baseline measurements were followed by exercise challenge and bronchodilation tests...
March 6, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29509828/lower-airway-flow-influences-peak-nasal-inspiratory-flow-in-school-aged-children
#8
H Pite, L Pimenta, A C Henriques, I Marques, C Camarinha, A V Lourenco, I Almeida, L M Borrego, M Morais-Almeida
BACKGROUND: Rhinitis and asthma frequently coexist. Peak nasal inspiratory flow (PNIF) objectively evaluates nasal obstruction. Lower airway flow's impact on PNIF has seldom been analysed in children. We aimed to study the associations between PNIF and: 1)forced expiratory volume in one second (FEV1) and peak expiratory flow (PEF) in children with allergic rhinitis and asthma and healthy controls; 2)allergic rhinitis and asthma control subjective evaluation. METHODS: Sequential assessments of PNIF before and after nasal decongestion and spirometry with bronchodilation test were performed in 65 children (6-12 years) with allergic rhinitis and asthma, and 24 gender, age-matched healthy controls...
March 6, 2018: Rhinology
https://www.readbyqxmd.com/read/29484853/impulse-oscillometry-at-preschool-age-is-a-strong-predictor-of-lung-function-by-flow-volume-spirometry-in-adolescence
#9
Eero Lauhkonen, Riikka Riikonen, Sari Törmänen, Petri Koponen, Kirsi Nuolivirta, Merja Helminen, Jyri Toikka, Matti Korppi
BACKGROUND: The transition from early childhood wheezing to persistent asthma is linked to lung function impairment over time. Little is known how the methods used to study lung function at different ages correlate longitudinally. METHODS: Sixty-four children with a history of hospitalization for bronchiolitis before 6 months of age were prospectively studied with impulse oscillometry (IOS) at the mean age of 6.3 years and these preschool IOS results were compared with flow-volume spirometry (FVS) measurements at mean age of 11...
February 27, 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29482188/residential-proximity-to-agricultural-fumigant-use-and-respiratory-health-in-7-year-old-children
#10
Robert B Gunier, Rachel Raanan, Rosemary Castorina, Nina T Holland, Kim G Harley, John R Balmes, Laura Fouquette, Brenda Eskenazi, Asa Bradman
OBJECTIVES: To examine the relationship between residential proximity to agricultural fumigant use and respiratory symptoms and lung function in 7-year old children. METHODS: Participants were 294 children living in the agricultural Salinas Valley, California and enrolled in the Center for the Health Assessment of Mothers and Children Of Salinas (CHAMACOS) study. We obtained information on respiratory symptoms and asthma medication use from maternal questionnaires and children performed spirometry to determine the forced expiratory volume in one second (FEV1 ), forced vital capacity (FVC), and forced expiratory flow 25-75% (FEF25-75 ) at 7-years of age...
February 23, 2018: Environmental Research
https://www.readbyqxmd.com/read/29476624/telomere-length-was-similar-in-school-age-children-with-bronchopulmonary-dysplasia-and-allergic-asthma
#11
E Henckel, U Svenson, B Nordlund, E Berggren Broström, G Hedlin, S Degerman, K Bohlin
AIM: Inflammation is a major factor in the pathophysiology of bronchopulmonary dysplasia (BPD), and it contributes to accelerated telomere shortening and cellular ageing. This study aimed to determine its effect on telomere length and lung function in school-aged children born preterm with BPD. METHODS: We examined 29 children with BPD, born preterm in Stockholm county 1998-99, along with 28 children with allergic asthma born at term matched for age and gender. At 10 years of age, we measured relative telomere length (RTL) in blood by quantitative polymerase chain reaction, lung function by spirometry and inflammation by fractional exhaled nitric oxide and blood cytokines...
February 24, 2018: Acta Paediatrica
https://www.readbyqxmd.com/read/29449165/spirometry-and-impulse-oscillometry-in-preschool-children-acceptability-and-relationship-to-maternal-smoking-in-pregnancy
#12
Meyer Kattan, Leonard B Bacharier, George T O'Connor, Robyn Cohen, Ronald L Sorkness, Wayne Morgan, Peter J Gergen, Katy F Jaffee, Cynthia M Visness, Robert A Wood, Gordon R Bloomberg, Susan Doyle, Ryan Burton, James E Gern
BACKGROUND: Comparisons of the technical acceptability of spirometry and impulse oscillometry (IOS) and clinical correlations of the measurements have not been well studied in young children. There are no large studies focused on African American and Hispanic children. OBJECTIVES: We sought to (1) compare the acceptability of spirometry and IOS in 3- to 5-year-old children and (2) examine the relationship of maternal smoking during pregnancy to later lung function...
February 13, 2018: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/29427984/controlling-the-risk-domain-in-pediatric-asthma-through-personalized-care
#13
William C Anderson, Stanley J Szefler
Strategies to control the risk domain of NHLBI EPR-3 (National Heart, Lung, and Blood Institute Expert Panel Report-3) asthma guidelines, which includes exacerbations requiring systemic corticosteroids, reduction in lung growth, and progressive loss of lung function, and treatment-related adverse effects, are evolving in children and adolescents. Increasing evidence demonstrates that children and adolescents with asthma are at risk of a reduction in lung growth, leading to lower lung function and potentially chronic obstructive pulmonary disease as adults...
February 2018: Seminars in Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29422824/the-relationship-between-body-mass-index-and-increased-airway-reactivity-based-on-methacholine-challenge-test-results
#14
Maryam Haddadzadeh Shoshtari, Hossein Tahmasbian Malayeri, Hadi Shahrad Bejestani
Introduction: According to the reports of the United States National Bureau of Statistics regarding the prevalence of obesity among adults and children and also asthma outbreak, the relationship between asthma and obesity in developed countries is taken into consideration. Aim: Relationship between body mass index and increased airway reactivity based on methacholine challenge test results. Material and methods: It was a retrospective cross-sectional study done on 256 patients who were referred to the lung clinic of the Imam Khomeini Hospital of Ahvaz with symptoms of hypersensitivity of the airways...
December 2017: Postȩpy Dermatologii i Alergologii
https://www.readbyqxmd.com/read/29412429/association-between-fraction-of-exhaled-nitric-oxide-and-spirometry-data-and-clinical-control-of-asthma-in-children-and-adolescents
#15
Luanda Dias da Silva Salviano, Karla Delevedove Taglia-Ferre, Sandra Lisboa, Ana Carolina Carioca da Costa, Hisbello da Silva Campos, Maria de Fátima Pombo March
OBJECTIVE: To evaluate the association between fraction of exhaled nitric oxide (FeNO) values and forced expiratory volume in the first second (FEV1) and the level of asthma control, as proposed by the Global Initiative for Asthma (GINA), in asthmatic children and adolescents attended at the National Institute of Women, Children and Adolescents Health Fernandes Figueira of Fundação Oswaldo Cruz (IFF/FIOCRUZ). METHODS: This was a cross-sectional study, with a review of medical records of 90 asthmatics between 7 and 17 years old, who were followed up at the IFF/FIOCRUZ Asthma Outpatient Clinic and were referred to perform respiratory function tests (RFT)between March 2013 and September 2014...
January 15, 2018: Revista Paulista de Pediatria: Orgão Oficial da Sociedade de Pediatria de São Paulo
https://www.readbyqxmd.com/read/29405616/flow-volume-loops-measured-with-electrical-impedance-tomography-in-pediatric-patients-with-asthma
#16
Chuong Ngo, Falk Dippel, Klaus Tenbrock, Steffen Leonhardt, Sylvia Lehmann
BACKGROUND: Electrical impedance tomography (EIT) provides information on global and regional ventilation during tidal breathing and mechanical ventilation. During forced expiration maneuvers, the linearity of EIT and spirometric data has been documented in healthy persons. The present study investigates the potential diagnostic use of EIT in pediatric patients with asthma. METHODS: EIT and spirometry were performed in 58 children with asthma (average age ± SD: 11...
February 6, 2018: Pediatric Pulmonology
https://www.readbyqxmd.com/read/29401500/mobile-direct-observation-of-therapy-mdot-a-rapid-systematic-review-and-pilot-study-in-children-with-asthma
#17
Michael D Shields, Fahad ALQahtani, Michael P Rivey, James C McElnay
We describe, for the first time, the use of a mobile device platform for remote direct observation of inhaler use and technique. The research programme commenced with a rapid systematic review of mobile device (or videophone) use for direct observation of therapy (MDOT). Ten studies (mainly pilots) were identified involving patients with tuberculosis, sickle cell disease and Alzheimer's disease. New studies are ongoing (ClinicalTrials.gov website) in TB, stroke, sickle cell disease, HIV and opioid dependence...
2018: PloS One
https://www.readbyqxmd.com/read/29393720/evaluation-of-clinically-and-physiologically-atypical-asthma-if-it-doesn-t-wheeze-it-may-still-be-asthma
#18
Dorit Ater, Israel Amirav, Matan Attias, Eyal Nakash, Michael T Newhouse, Avigdor Mandelberg
OBJECTIVE: Children with asthma-like symptoms may not clinically wheeze. The objectives of this study were to evaluate if children, without physician-documented wheeze, wheeze during bronchial-challenge-testing (BCT), and if measurements of O2 Sat and respiratory rate during BCT improve the BCT sensitivity? METHODS: Seven hundred and twenty-four children, who were referred for suspicion of asthma, performed a BCT. Positive BCT was determined by the provocation concentration (PC) which resulted in a 20% decrease in FEV1 (PC20 ), (in those who were able to perform spirometry, group B), or (in those unable to perform spirometry, group A) a 50% increase in respiratory rate (PCRR ), or a 5% decrease in oxygen-saturation (PCO2-Sat ) or appearance of wheezing (PCwheeze )...
February 2, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29380068/impedance-oscillometry-emerging-role-in-the-management-of-chronic-respiratory-disease
#19
REVIEW
Mohammed F Zaidan, Ashwini P Reddy, Alexander Duarte
PURPOSE OF REVIEW: Chronic respiratory diseases affecting adults and children are widely prevalent, so lung function testing is imperative for diagnosis and management. Spirometry is the traditional standard measure of lung function; however, certain groups of patients are unable to provide accurate and reproducible exhalation maneuvers. Consequently, the impedance oscillometry system (IOS) has been developed as an effort, independent technique to assess airway function in children and the elderly...
January 29, 2018: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/29360392/accuracy-of-optoelectronic-plethysmography-in-childhood-exercise-induced-asthma
#20
Larissa Andrade de Sá Feitosa, Murilo Carlos Amorim de Britto, Andrea Aliverti, Jéssica Brito Noronha, Armèle Dornelas de Andrade
OBJECTIVE: To assess the variations of end-expiratory volume of chest wall (EEVcw) measured by optoelectronic plethysmography (OEP) as a diagnostic tool in exercise-induced asthma (EIA) among asthmatic preschool children. METHODS: Forty children diagnosed with asthma were included in the study. Spirometry was used as a gold standard test for comparison with OEP. A 10% decline in forced expiratory volume in 1 second was considered positive for EIA. OEP was performed with 8 cameras at a frequency of 60 Hz and 89 markers were placed on the thoraco-abdominal surface of participants...
January 23, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
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