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https://www.readbyqxmd.com/read/28822450/-evaluating-the-efficacy-of-fractional-exhaled-nitric-oxide-and-impulse-oscillometry-in-screening-out-cough-variant-asthma-from-patients-with-subacute-cough
#1
S Fang, S Y Chen, X He, Q X Shen, H Z Fan, X P Wu, Z K Fang, H P Yu
Objective: To evaluate the clinical value of fractional exhaled nitric oxide (FeNO) and impulse oscillometry (IOS) in screening out cough variant asthma (CVA) from patients with subacute cough. Methods: Patients with subacute cough were included from the outpatient department of Respiratory Medicine of Zhujiang Hospital of Southern Medical University from May to October in 2016. Based on "the guidelines for the diagnosis and treatment of cough (2015 edition)" , patients were classified into CVA group, and non CVP group with other causes of subacute cough...
August 8, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28821845/fluticasone-salmeterol-reduces-remodelling-and-neutrophilic-inflammation-in-severe-equine-asthma
#2
Michela Bullone, Amandine Vargas, Yvonne Elce, James G Martin, Jean-Pierre Lavoie
Asthmatic airways are inflamed and undergo remodelling. Inhaled corticosteroids and long-acting β2-agonist combinations are more effective than inhaled corticosteroid monotherapy in controlling disease exacerbations, but their effect on airway remodelling and inflammation remains ill-defined. This study evaluates the contribution of inhaled fluticasone and salmeterol, alone or combined, to the reversal of bronchial remodelling and inflammation. Severely asthmatic horses (6 horses/group) were treated with fluticasone, salmeterol, fluticasone/salmeterol, or with antigen avoidance for 12 weeks...
August 18, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28814914/body-height-of-children-with-bronchial-asthma-of-various-severities
#3
Tatiana I Eliseeva, Natalia A Geppe, Elena V Tush, Olga V Khaletskaya, Ivan I Balabolkin, Vilya A Bulgakova, Nailya I Kubysheva, Stanislav K Ignatov
Influence of bronchial asthma (BA) severity on physical development in children patients was evaluated in comparison with healthy population. Materials and Methods. 1042 children and adolescents (768 boys) with atopic BA were evaluated. All children underwent standard examination in a clinical setting, including anthropometry. The control group included 875 healthy children of a comparable age (423 boys). Results. The fraction of patients with the normal, lower, and increased height among the whole group of patients with BA is close to the corresponding values in the healthy population (χ(2) = 3...
2017: Canadian Respiratory Journal: Journal of the Canadian Thoracic Society
https://www.readbyqxmd.com/read/28810548/effect-of-follicular-helper-t-cells-on-the-pathogenesis-of-asthma
#4
Xiaojuan Ma, Zhan Sun, Pei Zhai, Wenyan Yu, Ting Wang, Fengsen Li, Jianbing Ding
Follicular helper T (TFH) cells are considered to be a separate T helper cell subset, specifically to help memory B cell participate in humoral immunity. It has been reported that there is an association between the imbalance of TFH function and certain autoimmune diseases. However, to the best of our knowledge, the effect of TFH cells on the process of bronchial asthma has not been investigated. The aim of the present study was to investigate the associated markers of TFH cells in bronchial asthma-induced mice...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28810543/atorvastatin-has-a-protective-effect-in-a-mouse-model-of-bronchial-asthma-through-regulating-tissue-transglutaminase-and-triggering-receptor-expressed-on-myeloid-cells-1-expression
#5
Ming-Wei Liu, Rong Liu, Hai-Ying Wu, Mei Chen, Min-Na Dong, Yun-Qiao Huang, Chun-Hai Zhang, Yin-Zhong Wang, Jing Xia, Yang Shi, Feng-Mei Xie, Hua Luo, Xin-Yuan Zhao, Wei Wei, Mei-Xian Su
Airway remodeling in asthma contributes to airway hyperreactivity, loss of lung function and persistent symptoms. Current therapies do not adequately treat the structural airway changes associated with asthma. Statin drugs have improved respiratory health and their therapeutic potential in asthma has been tested in clinical trials. However, the mechanism of action of statins in this context has remained elusive. The present study hypothesized that atorvastatin treatment of ovalbumin-exposed mice attenuates early features of airway remodeling via a mevalonate-dependent mechanism...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28807087/allergic-bronchopulmonary-mycosis-due-to-exposure-to-eurotium-herbariorum-after-the-great-east-japan-earthquake
#6
Chiyako Oshikata, Maiko Watanabe, Akemi Saito, Masatsugu Ishida, Seiichi Kobayashi, Rumi Konuma, Yoichi Kamata, Jun Terajima, Junichi Cho, Masaru Yanai, Naomi Tsurikisawa
BACKGROUND: Indoor mold levels typically increase after natural disasters, flooding, and water damage. Eurotium herbariorum is the sexual stage of Aspergillus glaucus. Case Presentation A 66-year-old, Japanese male, ex-smoker had been diagnosed with bronchial asthma when he was five years old; he achieved remission at the age of 13 years. He was displaced from his home during the Great East Japan Earthquake on March 11, 2011 and moved to temporary housing in Miyagi Prefecture in June 2011...
August 15, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28804700/abridged-version-of-the-awmf-guideline-for-the-medical-clinical-diagnostics-of-indoor-mould-exposure-s2k-guideline-of-the-german-society-of-hygiene-environmental-medicine-and-preventive-medicine-ghup-in-collaboration-with-the-german-association-of-allergists
#7
Gerhard A Wiesmüller, Birger Heinzow, Ute Aurbach, Karl-Christian Bergmann, Albrecht Bufe, Walter Buzina, Oliver A Cornely, Steffen Engelhart, Guido Fischer, Thomas Gabrio, Werner Heinz, Caroline E W Herr, Jörg Kleine-Tebbe, Ludger Klimek, Martin Köberle, Herbert Lichtnecker, Thomas Lob-Corzilius, Rolf Merget, Norbert Mülleneisen, Dennis Nowak, Uta Rabe, Monika Raulf, Hans Peter Seidl, Jens-Oliver Steiß, Regine Szewszyk, Peter Thomas, Kerttu Valtanen, Julia Hurraß
This article is an abridged version of the AWMF mould guideline "Medical clinical diagnostics of indoor mould exposure" presented in April 2016 by the German Society of Hygiene, Environmental Medicine and Preventive Medicine (Gesellschaft für Hygiene, Umweltmedizin und Präventivmedizin, GHUP), in collaboration with the above-mentioned scientific medical societies, German and Austrian societies, medical associations and experts. Indoor mould growth is a potential health risk, even if a quantitative and/or causal relationship between the occurrence of individual mould species and health problems has yet to be established...
2017: Allergo Journal International
https://www.readbyqxmd.com/read/28801844/brg1-inhibits-e-cadherin-expression-in-lung-epithelial-cells-and-disrupts-epithelial-integrity
#8
Ting Wang, Wenjing Zou, Chao Niu, Fengxia Ding, Yaping Wang, Shuang Cai, Hua Zhu, Daiyin Tian, Jihong Dai, Enmei Liu, Qing Lu, Zhou Fu, Lin Zou
Brahma-related gene-1 (Brg1), a key chromatin remodeling factor, is associated with cell proliferation and migration in kidney and heart cells, but few reports have examined its role in airway epithelial cell. Airway epithelial injury, which is involved in the entire pathological process of asthma, is an important cause of recurrent asthma. Here, we studied the function of Brg1 in an ovalbumin (OVA)-induced asthma model (lung-specific conditional Brg1 (Brg1(-/-)) knockdown mice) and human bronchial epithelial 16HBE cells stably expressing Brg1 shRNA...
August 11, 2017: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/28797075/arginine-metabolic-endotypes-related-to-asthma-severity
#9
Weiling Xu, Suzy A A Comhair, Allison J Janocha, Abigail Lara, Lori A Mavrakis, Carole D Bennett, Satish C Kalhan, Serpil C Erzurum
AIMS: Arginine metabolism via inducible nitric oxide synthase (iNOS) and arginase 2 (ARG2) is higher in asthmatics than in healthy individuals. We hypothesized that a sub-phenotype of asthma might be defined by the magnitude of arginine metabolism categorized on the basis of high and low fraction of exhaled nitric oxide (FENO). METHODS: To test this hypothesis, asthmatics (n = 52) were compared to healthy controls (n = 51) for levels of FENO, serum arginase activity, and airway epithelial expression of iNOS and ARG2 proteins, in relation to clinical parameters of asthma inflammation and airway reactivity...
2017: PloS One
https://www.readbyqxmd.com/read/28796545/use-of-mdct-to-assess-the-results-of-bronchial-thermoplasty
#10
Matheus Zanon, Débora L Strieder, Adalberto S Rubin, Guilherme Watte, Edson Marchiori, Paulo F G Cardoso, Bruno Hochhegger
OBJECTIVE: The purpose of this study was to evaluate the use of MDCT to assess response to bronchial thermoplasty treatment for severe persistent asthma. MATERIALS AND METHODS: MDCT data from 26 patients with severe persistent asthma who underwent imaging before and after bronchial thermoplasty were analyzed retrospectively. Changes in the following parameters were assessed: total lung volume, mean lung density, airway wall thickness, CT air trapping index (attenuation < -856 HU), and expiratory-inspiratory ratio of mean lung density (E/I index)...
August 10, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28794646/bronchial-thermoplasty-implementing-best-practice-in-the-era-of-cost-containment
#11
Laren D Tan, Nicholas Kenyon, Ken Y Yoneda, Samuel Louie
Increasing dependence on advanced technologies in the 21st century has created a dilemma between the practice and business of medicine. From information technology to robotic surgery, new technologies have expanded treatment possibilities and have potentially improved patient outcomes and safety. Simultaneously, their escalating costs limit access for certain patients and health care facilities. Nevertheless, medical decisions should not simply be based on cost. Input from physicians and other health care specialists as well as adherence to best practice position statements, are vital to implementing truly cost-effective strategies in medicine...
2017: Journal of Asthma and Allergy
https://www.readbyqxmd.com/read/28791280/oxidative-stress-and-bronchial-asthma-in-children-causes-or-consequences
#12
REVIEW
Milos Jesenak, Maria Zelieskova, Eva Babusikova
Bronchial asthma is one of the most common chronic inflammatory diseases of the airways. In the pathogenesis of this disease, the interplay among the genes, intrinsic, and extrinsic factors are crucial. Various combinations of the involved factors determine and modify the final clinical phenotype/endotype of asthma. Oxidative stress results from an imbalance between the production of reactive oxygen species and reactive nitrogen species and the capacity of antioxidant defense mechanisms. It was shown that oxidative damage of biomolecules is strongly involved in the asthmatic inflammation...
2017: Frontiers in Pediatrics
https://www.readbyqxmd.com/read/28789768/-work-related-asthma-in-an-orthopaedic-surgeon
#13
Eske Roth, Christina Blanner Kristiansen, Karin Dahl Assing, Ulla Møller Weinreich
An orthopaedic surgeon with no history of lung disease developed cough and dyspnoea. The patient was diagnosed with asthma by spirometry and bronchial provocation test with methacholine. A clear correlation between symptoms and work was established meriting a referral to a centre for occupational health. The patient was diagnosed with work-related disease, which was recognized by the industrial injury board. The cause was methyl methacrylate, a known airway irritant, which is an important component of bone cement...
July 24, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28781336/serum-eosinophil-cationic-protein-is-a-useful-marker-for-assessing-the-efficacy-of-inhaled-corticosteroid-therapy-in-children-with-bronchial-asthma
#14
Cai-Li Guo, Xiao-Min Sun, Xiao-Wen Wang, Qing Guo
Bronchial asthma (BA) is a chronic inflammatory disorder of airways for which the effective therapies include inhaled corticosteroids (ICS) and short-acting β2-adrenoreceptor agonist (SABA). Serum eosinophil cationic protein (ECP) has been reported to reflect the degree of airway inflammation. We, therefore, explored the implication of serum ECP in assessing the efficacy of ICS therapy in BA children. Our prospective randomized control study enrolled 126 BA children and 78 healthy children (the control group)...
August 2017: Tohoku Journal of Experimental Medicine
https://www.readbyqxmd.com/read/28776939/the-relationship-between-restless-legs-syndrome-and-bronchial-asthma
#15
Adil Can Güngen, Belma Güngen, Yusuf Aydemir, Yeşim Guzey Aras, Hikmet Çoban, Hasan Düzenli
INTRODUCTION: Restless legs syndrome(RLS) is associated with sleep disorders. However, although sleep disturbance is prevalent in people with asthma, an insufficient number of studies have investigated the relationship between asthma and RLS. OBJECTIVES: We aimed to determine the extent of the presence of RLS, and the factors related to RLS, in people with asthma. METHODS: A total of 84 people with asthma and 51 healthy volunteers were enrolled...
August 4, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28774699/pulmonary-and-sinus-fungal-diseases-in-non-immunocompromised-patients
#16
REVIEW
David W Denning, Arunaloke Chakrabarti
The human respiratory tract is exposed daily to airborne fungi, fungal enzymes, and secondary metabolites. The endemic fungi Histoplasma capsulatum, Coccidioides spp, Blastomyces dermatitidis, and Paracoccidioides brasiliensis, and occasionally Aspergillus fumigatus, are primary pulmonary pathogens of otherwise healthy people. Such infections resolve in most people, and only a few infections lead to disease. However, many fungi are directly allergenic by colonising the respiratory tract or indirectly through contact with cell wall constituents and proteases, causing or exacerbating allergic disease...
July 31, 2017: Lancet Infectious Diseases
https://www.readbyqxmd.com/read/28771844/assessment-of-eosinophilic-airway-inflammation-as-a-contribution-to-the-diagnosis-of-occupational-asthma
#17
Carolina Beretta, Catherine Rifflart, Geneviève Evrard, Jacques Jamart, Joël Thimpont, Olivier Vandenplas
BACKGROUND: Ascertaining the presence of asthma through the assessment of nonspecific bronchial hyperresponsiveness (NSBH) is a key step in the diagnosis of occupational asthma (OA). We aimed at investigating whether indices of airway inflammation including fractional exhaled nitric oxide (FeNO) and sputum eosinophils would be useful adjuncts to the measurement of NSBH in diagnosing OA defined as a positive specific inhalation challenge (SIC). METHODS: The study included 240 consecutive subjects with a suspicion of OA who completed a SIC, of whom 133 showed a positive response...
August 3, 2017: Allergy
https://www.readbyqxmd.com/read/28769099/thermoneutral-housing-temperature-regulates-t-regulatory-cell-function-and-inhibits-ovabumin-induced-asthma-development-in-mice
#18
Wenjing Liao, Libo Zhou, Xiaolong Zhao, Lijuan Song, Yingshen Lu, Nanshan Zhong, Pingchang Yang, Baoqing Sun, Xiaowen Zhang
The change in ambient temperature is one of the risk factors for the aggravation of bronchial asthma (BA). Yet, whether the ambient temperature influences the immune functions associated with allergic asthma remains unknown. In this study, we treated asthmatic mice with standard temperature (ST, 20 °C) or thermoneutral temperature (TT, 30 °C). The results showed that the airway inflammatory cell counts in bronchoalveolar lavage fluid (BALF) and airway hyperresponsiveness (AHR) were significantly reduced in the mice treated with TT as compared with the mice treated with ST...
August 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28765821/increased-antioxidant-activity-after-exposure-of-ozone-in-murine-asthma-model
#19
Yang Ki Kim, So My Koo, Kiup Kim, Soo-Taek Uh, Ahnsoo Jang, Choon-Sik Park
BACKGROUND: Ozone is well known as an important component of ambient air pollutants. Ozone can aggravate respiratory symptoms in patients with bronchial asthma, but, not in healthy person. We hypothesized asthma itself may show different response to ozone compared to nonasthma. OBJECTIVE: This study was performed to evaluate the differences of response to ozone between normal and asthmatic mice model in terms of status of oxidant injury and antioxidant activity...
July 2017: Asia Pacific Allergy
https://www.readbyqxmd.com/read/28763131/the-effect-of-allergen-induced-bronchoconstriction-on-concentration-of-5-oxo-ete-in-exhaled-breath-condensate-of-house-dust-mite-allergic-patients
#20
Krzysztof Kowal, Anna Gielicz, Marek Sanak
BACKGROUND: Arachidonic acid metabolites regulate several aspects of airway function including inflammation, muscle contraction and mucous secretion. OBJECTIVE: The aim of this study was to evaluate concentration of selected 5-lipoxygenase (LOX) and cyclooxygenase (COX)-derived eicosanoids in exhaled breath condensate (EBC) during allergen induced bronchoconstriction. METHODS: The study was performed on 24 allergic rhinitis/asthma patients sensitized to a house dust mite (HDM) Dermatophagoides pteronyssinus (Dp) and 13 healthy controls (HCs)...
August 1, 2017: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
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