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https://www.readbyqxmd.com/read/28319817/indoor-air-quality-of-low-and-middle-income-urban-households-in-durban-south-africa
#1
Nkosana Jafta, Lars Barregard, Prakash M Jeena, Rajen N Naidoo
INTRODUCTION: Elevated levels of indoor air pollutants may cause cardiopulmonary disease such as lower respiratory infection, chronic obstructive lung disease and lung cancer, but the association with tuberculosis (TB) is unclear. So far the risk estimates of TB infection or/and disease due to indoor air pollution (IAP) exposure are based on self-reported exposures rather than direct measurements of IAP, and these exposures have not been validated. OBJECTIVE: The aim of this paper was to characterize and develop predictive models for concentrations of three air pollutants (PM10, NO2 and SO2) in homes of children participating in a childhood TB study...
March 15, 2017: Environmental Research
https://www.readbyqxmd.com/read/28260599/peritonsillar-abscess-clinical-aspects-of-microbiology-risk-factors-and-the-association-with-parapharyngeal-abscess
#2
REVIEW
Tejs Ehlers Klug
PTA is a collection of pus located between the tonsillar capsule and the pharyngeal constrictor muscle. It is considered a complication of acute tonsillitis and is the most prevalent deep neck infection (approximately 2000 cases annually in Denmark) and cause of acute admission to Danish ENT departments. Teenagers and young adults are most commonly affected and males may predominate over females. However, no studies of age- and gender-stratified incidence rates have previously been published. Furthermore, smoking may be associated with increased risk of peritonsillar abscess (PTA) development, although the magnitude of the association has not been estimated...
March 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28236369/patients-hospitalized-with-an-infective-exacerbation-of-bronchiectasis-unrelated-to-cystic-fibrosis-clinical-physiological-and-sputum-characteristics
#3
Victoria Venning, James Bartlett, Lata Jayaram
BACKGROUND AND OBJECTIVE: Bronchiectasis is a growing health burden both globally and in Australasia. Associated with repeated respiratory infections, the disease often results in hospital admission, impaired quality of life, reduced lung function and shortened life expectancy. We describe the local clinical, physiological and sputum characteristics in patients hospitalized with an infective exacerbation of bronchiectasis. METHODS: This study examined the medical records of all 61 adults admitted to a metropolitan Australian hospital with an infective exacerbation of bronchiectasis in a calendar year...
February 24, 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/28182643/ige-sensitization-to-inhalant-allergens-and-the-risk-of-airway-infection-and-disease-a-population-based-study
#4
Tea Skaaby, Lise Lotte Nystrup Husemoen, Betina Heinsbæk Thuesen, Runa Vavia Fenger, Allan Linneberg
BACKGROUND: Immunoglobulin E (IgE) sensitization, which is the propensity to develop IgE antibodies against common environmental allergens, is associated with a lymphocyte T-helper type 2 (Th2) skewed immune response and a high risk of allergic respiratory disease. Little is known about whether IgE sensitization confers an increased risk of respiratory infections in adults. We investigated the association between IgE sensitization and the incidence of acute airway infections, other infections and chronic lower airway disease events as recorded in nation-wide registries...
2017: PloS One
https://www.readbyqxmd.com/read/28149657/evaluation-of-olfactory-function-in-beh%C3%A3-et-s-disease
#5
Lütfi Akyol, Emre Günbey, Rıfat Karlı, Soner Önem, Metin Özgen, Mehmet Sayarlıoğlu
OBJECTIVE: Behçet's disease (BD) is a chronic, relapsing type of vasculitis of unknown etiology and is characterized by oral and urogenital ulcers and ocular inflammation with cutaneous, musculoskeletal, vascular, and nervous system manifestations. Few cases involving the nasal mucosa have been reported in the literature, and the true prevalence of BD remains unknown. Neurological involvement associated with BD might play a more important role in causing olfactory dysfunction than mucosal involvement, but sufficient clinical data are not available on the effect of BD on olfaction in adults...
December 2016: European Journal of Rheumatology
https://www.readbyqxmd.com/read/28093442/rococo-study-a-real-world-evaluation-of-an-over-the-counter-medicine-in-acute-cough-a-multicentre-randomised-controlled-study
#6
S S Birring, J Brew, A Kilbourn, V Edwards, R Wilson, A H Morice
OBJECTIVES: To investigate the efficacy and safety of CS1002, an over-the-counter cough treatment containing diphenhydramine, ammonium chloride and levomenthol in a cocoa-based demulcent. DESIGN: A multicentre, randomised, parallel group, controlled, single-blinded study in participants with acute upper respiratory tract infection-associated cough. SETTING: 4 general practitioner (GP) surgeries and 14 pharmacies in the UK. PARTICIPANTS: Participants aged ≥18 years who self-referred to a GP or pharmacist with acute cough of <7 days' duration...
January 16, 2017: BMJ Open
https://www.readbyqxmd.com/read/28056984/the-main-rhinovirus-respiratory-tract-adhesion-site-icam-1-is-upregulated-in-smokers-and-patients-with-chronic-airflow-limitation-cal
#7
Shakti Dhar Shukla, Malik Quasir Mahmood, Steven Weston, Roger Latham, Hans Konrad Muller, Sukhwinder Singh Sohal, Eugene Haydn Walters
BACKGROUND: ICAM-1 is a major receptor for ~60% of human rhinoviruses, and non-typeable Haemophilus influenzae, two major pathogens in COPD. Increased cell-surface expression of ICAM-1 in response to tobacco smoke exposure has been suggested. We have investigated epithelial ICAM-1 expression in both the large and small airways, and lung parenchyma in smoking-related chronic airflow limitation (CAL) patients. METHODS: We evaluated epithelial ICAM-1 expression in resected lung tissue: 8 smokers with normal spirometry (NLFS); 29 CAL patients (10 small-airway disease; 9 COPD-smokers; 10 COPD ex-smokers); Controls (NC): 15 normal airway/lung tissues...
January 5, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28005296/current-wheeze-asthma-respiratory-infections-and-rhinitis-among-adults-in-relation-to-inspection-data-and-indoor-measurements-in-single-family-houses-in-sweden-the-betsi-study
#8
Juan Wang, Karin Engvall, Greta Smedje, Håkan Nilsson, Dan Norbäck
In the Swedish BETSI study, a total of 1160 adults from 605 single-family houses answered a questionnaire on respiratory health. Building inspectors investigated the homes and measured temperature, air humidity, air exchange rate and wood moisture content (in attic and crawl space). Moisture load was calculated as the difference between indoor and outdoor absolute humidity. Totally 7.3% were smokers; 8.7% had doctor' diagnosed asthma; 11.2% current wheeze and 9.5% current asthma symptoms. Totally 50.3% had respiratory infections and 26...
December 22, 2016: Indoor Air
https://www.readbyqxmd.com/read/27906087/legionella-pneumonia-in-the-niagara-region-ontario-canada-a-case-series
#9
Stephanie Cargnelli, Jeff Powis, Jennifer L Y Tsang
BACKGROUND: Legionella pneumophila, a major cause of Legionnaires' disease, accounts for 2-15 % of all community-acquired pneumonia requiring hospitalization and up to 30 % of community-acquired pneumonia requiring intensive care unit admission. Early initiation of appropriate antimicrobial therapy is a crucial step in the prevention of morbidity and mortality. However, recognition of Legionnaires' disease continues to be challenging because of its nonspecific clinical features. We sought to describe hospitalized community-acquired Legionnaires' disease to increase awareness of this important and potentially lethal disease...
December 1, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27863815/risk-factors-for-recurrent-wheezing-in-the-first-year-of-life-in-the-city-of-c%C3%A3-rdoba-argentina
#10
A Teijeiro, H Badellino, M G Raiden, M N Cuello, G Kevorkof, C Gatti, V H Croce, D Solé
BACKGROUND: Wheezing is a very common respiratory symptom in infants. The prevalence of wheezing in infants, conducted in developed countries shows prevalence rates ranging between 20% and 30%. However, we do not know the risk factors in our population of wheezing infants. METHODS: A standardised written questionnaire (WQ-P1-EISL) in infants between 12 and 18 months of age residing in the city of Cordoba was used; population/sample included 1031 infants. Recurrent wheezing (RW) was defined as three or more episodes of wheezing reported by the parents during the first 12 months of life...
November 15, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/27795984/pulmonary-predictors-of-incident-diabetes-in-smokers
#11
Gregory L Kinney, Emma H Baker, Oana L Klein, Jennifer L Black-Shinn, Emily S Wan, Barry Make, Elizabeth Regan, Russell P Bowler, Sharon M Lutz, Kendra A Young, Lindsey M Duca, George R Washko, Edwin K Silverman, James D Crapo, John E Hokanson
BACKGROUND: Diabetes mellitus and its complications are a large and increasing burden for health care worldwide. Reduced pulmonary function has been observed in diabetes (both type 1 and type 2), and this reduction is thought to occur prior to diagnosis. Other measures of pulmonary health are associated with diabetes, including lower exercise tolerance, greater dyspnea, lower quality of life (as measured by the St. George's Respiratory Questionaire [SGRQ]) and susceptibility to lung infection and these measures may also predate diabetes diagnosis...
2016: Chronic Obstructive Pulmonary Diseases: Journal of the COPD Foundation
https://www.readbyqxmd.com/read/27782846/does-upregulated-host-cell-receptor-expression-provide-a-link-between-bacterial-adhesion-and-chronic-respiratory-disease
#12
Ronan F O'Toole, Shakti D Shukla, Eugene H Walters
Expression of the platelet-activating factor receptor is upregulated in the respiratory epithelium of smokers and chronic obstructive pulmonary disease patients. We have recently determined that increased expression of PAFr correlates with higher levels of adhesion to human bronchial epithelial cells by non-typable Haemophilus influenzae and Streptococcus pneumoniae which are major bacterial pathogens in acute exacerbations of COPD. In addition, we found that a PAFr antagonist decreased the adhesion of both respiratory bacterial pathogens to non-cigarette exposure control levels...
October 26, 2016: Journal of Translational Medicine
https://www.readbyqxmd.com/read/27773665/pulmonary-effects-of-immediate-versus-deferred-antiretroviral-therapy-in-hiv-positive-individuals-a-nested-substudy-within-the-multicentre-international-randomised-controlled-strategic-timing-of-antiretroviral-treatment-start-trial
#13
Ken M Kunisaki, Dennis E Niewoehner, Gary Collins, Bitten Aagaard, Nafisah B Atako, Elzbieta Bakowska, Amanda Clarke, Giulio Maria Corbelli, Ernest Ekong, Sean Emery, Elizabeth B Finley, Eric Florence, Rosa M Infante, Cissy M Kityo, Juan Sierra Madero, Daniel E Nixon, Ellen Tedaldi, Jørgen Vestbo, Robin Wood, John E Connett
BACKGROUND: Observational data have been conflicted regarding the potential role of HIV antiretroviral therapy (ART) as a causative factor for, or protective factor against, COPD. We therefore aimed to investigate the effect of immediate versus deferred ART on decline in lung function in HIV-positive individuals. METHODS: We did a nested substudy within the randomised, controlled Strategic Timing of Antiretroviral Treatment (START) trial at 80 sites in multiple settings in 20 high-income and low-to-middle-income countries...
December 2016: Lancet Respiratory Medicine
https://www.readbyqxmd.com/read/27739267/prevailing-practices-for-the-management-of-dry-cough-in-india-a-questionnaire-based-survey
#14
Rakesh Pore, Swati Biswas, Srirupa Das
PURPOSE: The aim of the survey was to understand the prevailing practice pattern for the management of dry cough among primary care physicians in Indian clinical setting. MATERIAL AND METHODS: This single visit, cross-sectional, non-interventional, interview based physician survey was conducted over a period of 3 months where 500 registered physicians with at least 6 months of clinical practice and willing to participate in the survey were interviewed in their clinic or hospital from June to August 2015...
June 2016: Journal of the Association of Physicians of India
https://www.readbyqxmd.com/read/27639458/pulmonary-effects-of-maternal-smoking-on-the-fetus-and-child-effects-on-lung-development-respiratory-morbidities-and-life-long-lung-health
#15
REVIEW
Cindy T McEvoy, Eliot R Spindel
Maternal smoking during pregnancy is the largest preventable cause of abnormal in-utero lung development. Despite well known risks, rates of smoking during pregnancy have only slightly decreased over the last ten years, with rates varying from 5-40% worldwide resulting in tens of millions of fetal exposures. Despite multiple approaches to smoking cessation about 50% of smokers will continue to smoke during pregnancy. Maternal genotype plays an important role in the likelihood of continued smoking during pregnancy and the degree to which maternal smoking will affect the fetus...
January 2017: Paediatric Respiratory Reviews
https://www.readbyqxmd.com/read/27604339/human-primary-airway-epithelial-cells-isolated-from-active-smokers-have-epigenetically-impaired-antiviral-responses
#16
Wenxin Wu, Wei Zhang, J Leland Booth, David C Hutchings, Xiaoqiu Wang, Vicky L White, Houssein Youness, Cory D Cross, Ming-Hui Zou, Dennis Burian, Jordan P Metcalf
BACKGROUND: Cigarette smoking (CS) is the main risk factor for the development of chronic obstructive pulmonary disease (COPD) and most COPD exacerbations are caused by respiratory infections including influenza. Influenza infections are more severe in smokers. The mechanism of the increased risk and severity of infections in smokers is likely multifactorial, but certainly includes changes in immunologic host defenses. METHODS: We investigated retinoic acid-inducible protein I (RIG-I) and interferon (IFN) induction by influenza A virus (IAV) in human bronchial epithelial cells (HBEC) isolated from smokers or nonsmokers...
2016: Respiratory Research
https://www.readbyqxmd.com/read/27538197/bronchoarterial-ratio-in-never-smokers-adults-implications-for-bronchial-dilation-definition
#17
Alejandro A Diaz, Thomas P Young, Diego J Maselli, Carlos H Martinez, Erick S Maclean, Andrew Yen, Chandra Dass, Scott A Simpson, David A Lynch, Gregory L Kinney, John E Hokanson, George R Washko, Raul San José Estépar
BACKGROUND AND OBJECTIVE: Bronchiectasis manifests as recurrent respiratory infections and reduced lung function. Airway dilation, which is measured as the ratio of the diameters of the bronchial lumen (B) and adjacent pulmonary artery (A), is a defining radiological feature of bronchiectasis. A challenge to equating the bronchoarterial (BA) ratio to disease severity is that the diameters of airway and vessel in health are not established. We sought to explore the variability of BA ratio in never-smokers without pulmonary disease and its associations with lung function...
January 2017: Respirology: Official Journal of the Asian Pacific Society of Respirology
https://www.readbyqxmd.com/read/27496894/cadmium-attenuates-the-macrophage-response-to-lps-through-inhibition-of-the-nf-%C3%AE%C2%BAb-pathway
#18
Jessica Napolitano Cox, Mohd Akhlakur Rahman, Shengying Bao, Mingjie Liu, Sarah E Wheeler, Daren L Knoell
Chronic obstructive pulmonary disease (COPD) in the U.S. is primarily caused by cigarette smoking. COPD patients are highly susceptible to respiratory infections in part due to alveolar macrophage dysfunction despite a substantial increase in macrophages in the lung. Cadmium (Cd) is a toxic metal that is concentrated within tobacco and accumulates in the lung of smokers. We hypothesized that Cd uptake into macrophages alters immune function thereby impairing the macrophage response to invading pathogens. Our hypothesis was tested by comparing primary human monocytes and macrophages, primary mouse bronchoalveolar lavage myeloid cells, and related cell lines...
October 1, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27469560/why-should-patients-with-systemic-disease-and-tobacco-smokers-go-to-the-dentist
#19
D Lauritano, L Lo Muzio, R M Gaudio, L Lo Russo, D Mucchi, G M Nardi, M Martinelli
Periodontal diseases (PD) affect about half of the adult population all over the world. PD is caused by bacterial infection which induces an inflammatory response with progressive destruction of the periodontal tissues and finally the loss of teeth. Tobacco smoking (TS), alcohol consumption, and systemic diseases (SDs), such as cardiovascular diseases, diabetes mellitus, respiratory diseases, osteoporosis, malnutrition and stress, are considered additional risk factors. This short review examines the potential causal association between PD, TS and SDs...
April 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27408998/effect-of-passive-smoking-on-the-growth-of-pulmonary-function-and-respiratory-symptoms-in-schoolchildren
#20
Rosario Fernández-Plata, Rosalba Rojas-Martínez, David Martínez-Briseño, Cecilia García-Sancho, Rogelio Pérez-Padilla
BACKGROUND: Environmental tobacco smoke affects the current and future health of children. OBJECTIVE: To determine whether schoolchildren aged 8-17 years old residing at an altitude of 2,240 m and exposed to tobacco smoke at home presented a reduction in the growth of pulmonary function and a greater problem of respiratory symptoms and infections compared with non-exposed children. MATERIALS AND METHODS: We followed, with questionnaires and spirometry, 1,632 boys and 1,555 girls from Mexico City and its metropolitan area (the Metropolitan Study to Evaluate the Chronic Effects of Pollution in School-age Children [EMPECE]) every six months for six years...
May 2016: Revista de Investigación Clínica; Organo del Hospital de Enfermedades de la Nutrición
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