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influenza asthma

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https://www.readbyqxmd.com/read/27883375/analysis-of-risk-factors-for-severe-acute-respiratory-infection-and-pneumonia-and-among-adult-patients-with-acute-respiratory-illness-during-2011-2014-influenza-seasons-in-korea
#1
Seong Hui Kang, Hee Jin Cheong, Joon Young Song, Ji Yun Noh, Ji Ho Jeon, Min Joo Choi, Jacob Lee, Yu Bin Seo, Jin Soo Lee, Seong Heon Wie, Hye Won Jeong, Young Keun Kim, Kyung Hwa Park, Shin Woo Kim, Eun Joo Jeong, Sun Hee Lee, Won Suk Choi, Woo Joo Kim
BACKGROUND: The World Health Organization recommends the surveillance of influenza-like illness (ILI) and severe acute respiratory infection (SARI) to respond effectively to both seasonal influenza epidemics and pandemics. In Korea, the "Hospital-based Influenza Morbidity and Mortality (HIMM)" surveillance system has been operated to monitor ILI and SARI occurrences. MATERIALS AND METHODS: A multi-center prospective observational study was conducted. Adult patients with acute respiratory infection (ARI) were enrolled during the 2011-2012, 2012-2013, and 2013-2014 influenza seasons at the 10 university hospitals using the HIMM surveillance system...
November 22, 2016: Infection & Chemotherapy
https://www.readbyqxmd.com/read/27854115/an-investigation-into-respiratory-tract-viruses-in-children-with-acute-lower-respiratory-tract-infection-or-wheezing
#2
Demet Dabaniyasti, Fahriye Eksi, Özlem Keskin, Mehmet Y Özkars, Tekin Karsligil, Iclal Balci
BACKGROUND: This study aimed to determine the frequencies of respiratory tract viruses in patient (acute lower respiratory tract infection (LRTI) or wheezing) and control (history of asthma without symptoms) groups. METHODS: Using multiplex-PCR, respiratory tract viruses were investigated in the respiratory tract specimens from patient and control groups followed in the Pediatric Clinic. RESULTS: The viruses detected in the patient and control groups (p=0...
November 17, 2016: Minerva Pediatrica
https://www.readbyqxmd.com/read/27798778/hospitalizations-for-chronic-conditions-among-indigenous-australians-after-medication-copayment-reductions-the-closing-the-gap-copayment-incentive
#3
Amal N Trivedi, Ross Bailie, Jodie Bailie, Alex Brown, Margaret Kelaher
BACKGROUND: To close health disparities between Indigenous and non-Indigenous Australians, the Australian government in 2010 reduced medication copayments for Indigenous Australians living with, or at risk of, a chronic disease. Patients were registered for this incentive by their general practitioner. OBJECTIVE: To assess rates of hospitalizations for chronic conditions among Indigenous Australians before and after copayment reductions. DESIGN: Observational time-trend study of hospitalizations for chronic conditions sensitive to medication adherence...
October 31, 2016: Journal of General Internal Medicine
https://www.readbyqxmd.com/read/27789065/knowledge-and-attitudes-among-patients-with-asthma-and-parents-and-physicians-towards-influenza-vaccination
#4
A Kaya, N Altınel, G Karakaya, F Çetinkaya
BACKGROUND: Influenza is an infectious disease, dangerous for all people, especially for some risk groups such as patients with chronic diseases and health care workers. But most of the people under the risk of influenza, including health care workers are not immunised because of misinformation. In this study, we aimed to determine the knowledge, beliefs and attitudes of patients with allergic rhinitis and asthma and parents of such children related to influenza vaccination. Attitudes and beliefs of physicians treating these patients about influenza vaccination were also investigated...
October 24, 2016: Allergologia et Immunopathologia
https://www.readbyqxmd.com/read/27720448/risk-factors-associated-with-hospitalisation-for-influenza-associated-severe-acute-respiratory-illness-in-south-africa-a-case-population-study
#5
Tochukwu Raphael Abadom, Adrian D Smith, Stefano Tempia, Shabir A Madhi, Cheryl Cohen, Adam L Cohen
BACKGROUND: Influenza is a common cause of severe respiratory illness, but risk factors for hospitalisation in low income settings with a high HIV prevalence are not well described. We aimed to assess risk factors associated with influenza-associated severe acute respiratory illness (SARI) hospitalisation in South Africa. METHODS: We conducted a case-population study using data on risk conditions in patients hospitalised with SARI and the national prevalence of these conditions...
October 6, 2016: Vaccine
https://www.readbyqxmd.com/read/27708582/high-density-lipoproteins-and-apolipoprotein-a-i-potential-new-players-in-the-prevention-and-treatment-of-lung-disease
#6
Elizabeth M Gordon, Debbie M Figueroa, Amisha V Barochia, Xianglan Yao, Stewart J Levine
Apolipoprotein A-I (apoA-I) and high-density lipoproteins (HDL) mediate reverse cholesterol transport out of cells. Furthermore, HDL has additional protective functions, which include anti-oxidative, anti-inflammatory, anti-apoptotic, and vasoprotective effects. In contrast, HDL can become dysfunctional with a reduction in both cholesterol efflux and anti-inflammatory properties in the setting of disease or the acute phase response. These paradigms are increasingly being recognized to be active in the pulmonary system, where apoA-I and HDL have protective effects in normal lung health, as well as in a variety of disease states, including acute lung injury (ALI), asthma, chronic obstructive pulmonary disease, lung cancer, pulmonary arterial hypertension, pulmonary fibrosis, and viral pneumonia...
2016: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/27696462/an-early-innate-response-underlies-severe-influenza-induced-exacerbations-of-asthma-in-a-novel-steroid-insensitive-and-anti-il-5-responsive-mouse-model
#7
Lara Ravanetti, Annemiek Dijkhuis, Yanaika S Sabogal Pineros, Suzanne M Bal, Barbara S Dierdorp, Tamara Dekker, Adrian Logiantara, Ian M Adcock, Navin L Rao, Louis Boon, Gino Villetti, Peter J Sterk, Fabrizio Facchinetti, René Lutter
BACKGROUND: Acute worsening of asthma symptoms (exacerbation) is predominantly triggered by respiratory viruses, with influenza causing the most severe exacerbations. The lack of an adequate animal model hampers mechanistic insight and the development of new therapeutics. AIM: We developed and characterized a robust, consistent and reproducible mouse model of severe exacerbation of chronic allergic asthma. METHODS: Chronic allergic airway inflammation was induced following a house dust mite (HDM)-sensitization protocol...
October 3, 2016: Allergy
https://www.readbyqxmd.com/read/27695937/-influenza-and-community-acquired-pneumonia-in-german-primary-care
#8
Aryna Zanuzdana, Karla Köpke, Walter Haas
Influenza and community-acquired pneumonia (CAP) impose a considerable annual burden on the German primary care system. Yet there is a lack of epidemiological data from the country's outpatient sector on groups at risk as well as on the complications of these diseases.The Robert Koch Institute (RKI) initiated the study to identify population groups at increased risk for influenza or CAP as well as related comorbidities and sequelae. We present the methodology of the study and the descriptive analysis of the patients...
September 30, 2016: Bundesgesundheitsblatt, Gesundheitsforschung, Gesundheitsschutz
https://www.readbyqxmd.com/read/27685460/a-triple-co-culture-model-of-the-human-respiratory-tract-to-study-immune-modulatory-effects-of-liposomes-and-virosomes
#9
Rebecca A M Blom, Silvia T Erni, Kristína Krempaská, Olivier Schaerer, R Maarten van Dijk, Mario Amacker, Christian Moser, Sean R R Hall, Christophe von Garnier, Fabian Blank
The respiratory tract with its ease of access, vast surface area and dense network of antigen-presenting cells (APCs) represents an ideal target for immune-modulation. Bio-mimetic nanocarriers such as virosomes may provide immunomodulatory properties to treat diseases such as allergic asthma. In our study we employed a triple co-culture model of epithelial cells, macrophages and dendritic cells to simulate the human airway barrier. The epithelial cell line 16HBE was grown on inserts and supplemented with human blood monocyte-derived macrophages (MDMs) and dendritic cells (MDDCs) for exposure to influenza virosomes and liposomes...
2016: PloS One
https://www.readbyqxmd.com/read/27677845/resveratrol-suppresses-nthi-induced-inflammation-via-up-regulation-of-the-negative-regulator-myd88-short
#10
Carla S Andrews, Shingo Matsuyama, Byung-Cheol Lee, Jian-Dong Li
Upper respiratory tract inflammatory diseases such as asthma and chronic obstructive pulmonary diseases (COPD) affect more than one-half billion people globally and are characterized by chronic inflammation that is often exacerbated by respiratory pathogens such as nontypeable Haemophilus influenzae (NTHi). The increasing numbers of antibiotic-resistant bacterial strains and the limited success of currently available pharmaceuticals used to manage the symptoms of these diseases present an urgent need for the development of novel anti-inflammatory therapeutic agents...
September 28, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27631176/effect-of-air-temperature-and-universal-thermal-climate-index-on-respiratory-diseases-mortality-in-mashhad-iran
#11
Gholamabbas Fallah Ghalhari, Fatemeh Mayvaneh
OBJECTIVE: Climatic factors with desired and sometimes undesired effects lead to changes in the human body, such as hypothermia, influenza, heart disease, stroke, asthma, etc. The present study investigates the role of temperature in respiratory mortality in Mashhad, Iran. MATERIALS AND METHODS: Among the respiratory mortality data, daily temperature, wind speed and relative humidity from 2004 to 2013 were used. First, Tmrt parameter was calculated through Ray Man software and the values of UTCI index were obtained using Bioklima software...
September 2016: Archives of Iranian Medicine
https://www.readbyqxmd.com/read/27599605/plant-based-vaccines-against-respiratory-diseases-current-status-and-future-prospects
#12
Verónica A Márquez-Escobar, Sergio Rosales-Mendoza, Josué I Beltrán-López, Omar González-Ortega
INTRODUCTION: Respiratory infections have an enormous, worldwide epidemiologic impact on humans and animals. Among the prophylactic measures, vaccination has the potential to neutralize this impact. New technologies for vaccine production and delivery are of importance in this field since they offer the potential to develop new immunization approaches overriding the current limitations that comprise high cost, safety issues, and limited efficacy. AREAS COVERED: In the present review, the state of the art in developing plant-based vaccines against respiratory diseases is presented...
September 6, 2016: Expert Review of Vaccines
https://www.readbyqxmd.com/read/27574522/neutrophil-extracellular-traps-in-pulmonary-diseases-too-much-of-a-good-thing
#13
REVIEW
Bárbara Nery Porto, Renato Tetelbom Stein
Neutrophil extracellular traps (NETs) arise from the release of granular and nuclear contents of neutrophils in the extracellular space in response to different classes of microorganisms, soluble factors, and host molecules. NETs are composed by decondensed chromatin fibers coated with antimicrobial granular and cytoplasmic proteins, such as myeloperoxidase, neutrophil elastase (NE), and α-defensins. Besides being expressed on NET fibers, NE and MPO also regulate NET formation. Furthermore, histone deimination by peptidylarginine deiminase 4 (PAD4) is a central step to NET formation...
2016: Frontiers in Immunology
https://www.readbyqxmd.com/read/27525668/effects-of-long-range-transported-air-pollution-from-vegetation-fires-on-daily-mortality-and-hospital-admissions-in-the-helsinki-metropolitan-area-finland
#14
Virpi Kollanus, Pekka Tiittanen, Jarkko V Niemi, Timo Lanki
INTRODUCTION: Fine particulate matter (PM2.5) emissions from vegetation fires can be transported over long distances and may cause significant air pollution episodes far from the fires. However, epidemiological evidence on health effects of vegetation-fire originated air pollution is limited, particularly for mortality and cardiovascular outcomes. OBJECTIVE: We examined association between short-term exposure to long-range transported PM2.5 from vegetation fires and daily mortality due to non-accidental, cardiovascular, and respiratory causes and daily hospital admissions due to cardiovascular and respiratory causes in the Helsinki metropolitan area, Finland...
August 12, 2016: Environmental Research
https://www.readbyqxmd.com/read/27507228/long-term-safety-efficacy-pharmacokinetics-and-pharmacodynamics-of-omalizumab-in-children-with-severe-uncontrolled-asthma
#15
Hiroshi Odajima, Motohiro Ebisawa, Toshikazu Nagakura, Takao Fujisawa, Akira Akasawa, Komei Ito, Satoru Doi, Koichi Yamaguchi, Toshio Katsunuma, Kazuyuki Kurihara, Takahide Teramoto, Kazuko Sugai, Mitsuhiko Nambu, Akira Hoshioka, Shigemi Yoshihara, Norio Sato, Noriko Seko, Sankei Nishima
BACKGROUND: Omalizumab is effective and well-tolerated in children with moderate to severe allergic asthma. However, the effects of long-term treatment with omalizumab in this population haven't been well investigated. The objective of this study is to evaluate the long-term safety, efficacy, pharmacokinetics and pharmacodynamics of omalizumab in children with uncontrolled severe asthma. METHODS: Thirty-eight Japanese children (aged 7-16 years) who completed the 24-week treatment core study were included in an uncontrolled extension study, in which treatment with omalizumab continued until the pediatric indication was approved in Japan (ClinicalTrials...
August 6, 2016: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/27505715/enterovirus-d68-in-critically-ill-children-a-comparison-with-pandemic-h1n1-influenza
#16
Suchitra Rao, Kevin Messacar, Michelle R Torok, Anne-Marie Rick, Jeffrey Holzberg, Aaron Montano, Dayanand Bagdure, Donna J Curtis, M Steven Oberste, W Allan Nix, Gina de Masellis, Christine C Robinson, Samuel R Dominguez
OBJECTIVE: In 2014, the Unites States experienced an outbreak of enterovirus D68 associated with severe respiratory illness. The clinical characteristics associated with severe illness from enterovirus D68 during this outbreak compared with those associated with the 2009 H1N1 influenza virus outbreak are unknown. DESIGN AND SETTING: In this retrospective cohort study, we characterized the clinical features of children with enterovirus D68 admitted to the PICU between August 1, 2014, and November 1, 2014, and compared them with critically ill children infected with H1N1 influenza during the pandemic admitted between May 1, 2009, and January 31, 2010...
November 2016: Pediatric Critical Care Medicine
https://www.readbyqxmd.com/read/27494903/identification-of-novel-macrolides-with-antibacterial-anti-inflammatory-and-type-i-and-iii-ifn-augmenting-activity-in-airway-epithelium
#17
James D Porter, Jennifer Watson, Lee R Roberts, Simren K Gill, Helen Groves, Jaideep Dhariwal, Mark H Almond, Ernie Wong, Ross P Walton, Lyn H Jones, John Tregoning, Iain Kilty, Sebastian L Johnston, Michael R Edwards
BACKGROUND: Exacerbations of asthma and COPD are triggered by rhinoviruses. Uncontrolled inflammatory pathways, pathogenic bacterial burden and impaired antiviral immunity are thought to be important factors in disease severity and duration. Macrolides including azithromycin are often used to treat the above diseases, but exhibit variable levels of efficacy. Inhaled corticosteroids are also readily used in treatment, but may lack specificity. Ideally, new treatment alternatives should suppress unwanted inflammation, but spare beneficial antiviral immunity...
October 2016: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/27448447/microrna-21-drives-severe-steroid-insensitive-experimental-asthma-by-amplifying-phosphoinositide-3-kinase-mediated-suppression-of-histone-deacetylase-2
#18
Richard Y Kim, Jay C Horvat, James W Pinkerton, Malcolm R Starkey, Ama T Essilfie, Jemma R Mayall, Prema M Nair, Nicole G Hansbro, Bernadette Jones, Tatt Jhong Haw, Krishna P Sunkara, Thi Hiep Nguyen, Andrew G Jarnicki, Simon Keely, Joerg Mattes, Ian M Adcock, Paul S Foster, Philip M Hansbro
BACKGROUND: Severe steroid-insensitive asthma is a substantial clinical problem. Effective treatments are urgently required, however, their development is hampered by a lack of understanding of the mechanisms of disease pathogenesis. Steroid-insensitive asthma is associated with respiratory tract infections and noneosinophilic endotypes, including neutrophilic forms of disease. However, steroid-insensitive patients with eosinophil-enriched inflammation have also been described. The mechanisms that underpin infection-induced, severe steroid-insensitive asthma can be elucidated by using mouse models of disease...
June 10, 2016: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/27260695/residential-moving-and-preventable-hospitalizations
#19
Hayley A Hutchings, Annette Evans, Peter Barnes, Joanne C Demmler, Martin Heaven, Melanie A Healy, Michelle James-Ellison, Ronan A Lyons, Alison Maddocks, Shantini Paranjothy, Sarah E Rodgers, Frank Dunstan
OBJECTIVES: To investigate the association between moving home in the first year of life and subsequent emergency admissions for potentially preventable hospitalizations. METHODS: We undertook a cohort analysis of linked anonymized data on 237 842 children in the Welsh Electronic Cohort for Children. We included children born in Wales between April 1, 1999 and December 31, 2008. The exposure was the number of residential moves from birth up to 1 year. The main outcome was emergency admissions for potentially preventable hospitalizations (PPH) between the age of 1 and 5 years...
July 2016: Pediatrics
https://www.readbyqxmd.com/read/27226793/toll-like-receptor-7-targeted-therapy-in-respiratory-disease
#20
REVIEW
Katie M Lebold, David B Jacoby, Matthew G Drake
Allergic asthma and allergic rhinitis are inflammatory diseases of the respiratory tract characterized by an excessive type-2 T helper cell (Th2) immune response. Toll-like receptor 7 (TLR7) is a single-stranded viral RNA receptor expressed in the airway that initiates a Th1 immune response and has garnered interest as a novel therapeutic target for treatment of allergic airway diseases. In animal models, synthetic TLR7 agonists reduce airway hyperreactivity, eosinophilic inflammation, and airway remodeling while decreasing Th2-associated cytokines...
March 2016: Transfusion Medicine and Hemotherapy
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