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https://www.readbyqxmd.com/read/28306629/management-of-acute-asthma-exacerbations
#1
Erin K Stenson, Michael J Tchou, Derek S Wheeler
PURPOSE OF REVIEW: Herein, we review the current guidelines for the management of children with an acute asthma exacerbation. We focus on management in the emergency department, inpatient, and ICU settings. RECENT FINDINGS: The most recent statistics show that the prevalence of asthma during childhood has decreased in certain demographic subgroups and plateaued in other subgroups. However, acute asthma accounts for significant healthcare expenditures. Although there are few, if any, newer therapeutic agents available for management of acute asthma exacerbations, several reports leveraging quality improvement science have shown significant reductions in costs of care as well as improvements in outcome...
March 16, 2017: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/28293932/effect-of-tio%C3%A2-nanoparticles-on-inflammasome-mediated-airway-inflammation-and-responsiveness
#2
Byeong Gon Kim, Pureun Haneul Lee, Sun Hye Lee, Moo Kyun Park, An Soo Jang
PURPOSE: Nanoparticles (NPs) may cause cell and tissue damage, leading to local and systemic inflammatory responses and adverse effects on health due to the inhalation of particulate matter. The inflammasome is a major regulator of inflammation through its activation of pro-caspase-1, which cleaves pro-interleukin-1β (pro-IL-1β) into its mature form and may induce acute and chronic immune responses to NPs. However, little is known about the response of the inflammasome to NP exposure via the airways in asthma...
May 2017: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/28292797/acetaminophen-use-and-asthma-in-children
#3
Teeranai Sakulchit, Ran D Goldman
Question A child with a history of asthma came to my clinic with acute fever. I have heard that acetaminophen might be associated with exacerbation of asthma. Is it safe if I recommend acetaminophen for this child? Answer Most studies suggest an association between acetaminophen use in children and development of asthma later in childhood. However, several confounding factors in study design might contribute to this positive correlation, and without a prospective controlled trial, confirming this finding is challenging...
March 2017: Canadian Family Physician Médecin de Famille Canadien
https://www.readbyqxmd.com/read/28284473/positive-expiratory-pressure-for-the-treatment-of-acute-asthma-exacerbations-a-randomized-controlled-trial
#4
Nidhya Navanandan, Monica Federico, Rakesh D Mistry
OBJECTIVES: To evaluate the efficacy of brief, single administration of positive expiratory pressure (PEP) therapy in reducing clinical severity and need for additional second-line therapies and hospitalization in children presenting to the emergency department (ED) with acute asthma. STUDY DESIGN: This was a prospective randomized controlled trial of children 2-18 years of age presenting to a tertiary-care academic pediatric ED with moderate-to-severe asthma exacerbations from December 2014 to June 2016...
March 8, 2017: Journal of Pediatrics
https://www.readbyqxmd.com/read/28284319/longterm-clinical-outcomes-of-omalizumab-therapy-in-severe-allergic-asthma-study-of-efficacy-and-safety
#5
Adel H Mansur, Sapna Srivastava, Verity Mitchell, Julie Sullivan, Ismail Kasujee
Omalizumab has been shown to be an effective add-on therapy for patients with uncontrolled severe persistent allergic asthma. There has been a steady accumulation of evidence on the long-term effectiveness of omalizumab; however, data on real-life outcomes beyond one year of treatment is limited. In this study, we report on long-term outcomes of omalizumab treatment. We collected data from our severe asthma registry on hospitalisations, exacerbations, corticosteroid sparing, asthma control, lung function, biomarkers and side effects, to determine if the benefit was sustained and treatment was safe on the long term...
March 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28283855/the-role-of-human-parainfluenza-virus-infections-in-the-immunopathology-of-the-respiratory-tract
#6
REVIEW
Malgorzata Pawełczyk, Marek Leszek Kowalski
Viral infections are leading causes of both upper and lower airway acute illness in all age groups of healthy persons, and have also been implicated in the acute exacerbations of chronic respiratory disorders like asthma and COPD. Human rhinovirus, respiratory syncytial virus, influenza virus and coronavirus have been considered as the most important respiratory pathogens and relatively little attention has been paid to the role of parainfluenza viruses (hPIVs). Human parainfluenza viruses are single-stranded RNA viruses belonging to the paramyxovirus family that may evoke lower respiratory infections in infants, children and immunocompromised individuals...
March 2017: Current Allergy and Asthma Reports
https://www.readbyqxmd.com/read/28269105/changes-in-inhaler-inhalation-acoustic-features-during-induced-bronchoconstriction-a-pilot-study
#7
Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello, Richard B Reilly
Asthma is a chronic respiratory disease affecting millions of people worldwide, and is consequently a major issue for global health. Exacerbations are acute events involving the worsening of asthma's primary respiratory symptoms and are a major cause of morbidity in asthma patients, largely due to the unpredictability of their onset. This study aimed to investigate the relationship between changes in acoustic features of inhaler inhalations and changes in forced expiratory volume in one second (FEV1) that occur during a simulated exacerbation, a bronchial challenge test (BCT)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28245238/impacts-of-allergic-airway-inflammation-on-lung-pathology-in-a-mouse-model-of-influenza-a-virus-infection
#8
Akira Kawaguchi, Tadaki Suzuki, Yuki Ohara, Kenta Takahashi, Yuko Sato, Akira Ainai, Noriyo Nagata, Masato Tashiro, Hideki Hasegawa
Influenza A virus is the respiratory pathogen responsible for influenza. Infection by the 2009 pandemic influenza A (H1N1) virus caused severe lower airway inflammation and pneumonia. Asthma is a chronic inflammatory disorder of the airways that affects the entire brachial tree, and was one of the commonest underlying medical conditions among patients hospitalized with the 2009 pandemic influenza virus infection. Although respiratory virus infections are the major causes of asthma exacerbation, the mechanism by which influenza exacerbates asthma is poorly understood...
2017: PloS One
https://www.readbyqxmd.com/read/28227330/changes-in-inhaler-inhalation-acoustic-features-during-induced-bronchoconstriction-a-pilot-study
#9
Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello, Richard B Reilly, Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello, Richard B Reilly, Richard B Reilly, Thomas A McCartan, Terence E Taylor, Imran Sulaiman, Richard W Costello
Asthma is a chronic respiratory disease affecting millions of people worldwide, and is consequently a major issue for global health. Exacerbations are acute events involving the worsening of asthma's primary respiratory symptoms and are a major cause of morbidity in asthma patients, largely due to the unpredictability of their onset. This study aimed to investigate the relationship between changes in acoustic features of inhaler inhalations and changes in forced expiratory volume in one second (FEV1) that occur during a simulated exacerbation, a bronchial challenge test (BCT)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28216104/high-flow-nasal-cannula-therapy-versus-non-invasive-ventilation-in-children-with-severe-acute-asthma-exacerbation-an-observational-cohort-study
#10
J Pilar, V Modesto I Alapont, Y M Lopez-Fernandez, O Lopez-Macias, D Garcia-Urabayen, I Amores-Hernandez
INTRODUCTION: The present study describes our experience with the high-flow humidified nasal cannula (HFNC) versus non-invasive ventilation (NIV) in children with severe acute asthma exacerbation (SA). METHODS: An observational study of a retrospective cohort of 42 children with SA admitted to a Pediatric Intensive Care Unit (PICU) for non-invasive respiratory support was made. The primary outcome measure was failure of initial respiratory support (need to escalate from HFNC to NIV or from NIV to invasive ventilation)...
February 16, 2017: Medicina Intensiva
https://www.readbyqxmd.com/read/28214106/multicenter-study-of-cigarette-smoking-among-adults-with-asthma-exacerbations-in-the-emergency-department-2011-2012
#11
Robert A Silverman, Kohei Hasegawa, Daniel J Egan, Kirk A Stiffler, Ashley F Sullivan, Carlos A Camargo
INTRODUCTION: Previous studies demonstrated a high prevalence of cigarette smoking in patients presenting to the emergency department (ED) with acute asthma. Despite the clinical and public health importance, there have been no recent multicenter efforts to characterize this patient population. We aimed to update the prevalence of cigarette smoking among ED patients with asthma exacerbations. METHODS: Multicenter chart review study of 48 EDs across 23 US states...
February 7, 2017: Respiratory Medicine
https://www.readbyqxmd.com/read/28212153/new-therapies-for-the-prevention-and-treatment-of-exacerbations-of-bronchiectasis
#12
Hani Abo-Leyah, James D Chalmers
PURPOSE OF REVIEW: Exacerbations of bronchiectasis have a major impact on quality of life, healthcare costs, and long-term risk of complications. Preventing exacerbations is one of the major goals of treatment. Bronchiectasis is increasingly recognized and the impact of bronchiectasis exacerbations on daily clinical practice is also increasing. RECENT FINDINGS: Preventing bronchiectasis exacerbations are dependent on appropriate risk assessment, identifying the patients at highest risk to rationally target preventive therapies...
May 2017: Current Opinion in Pulmonary Medicine
https://www.readbyqxmd.com/read/28202114/-association-between-brain-derived-neurotrophic-factor-and-severity-of-asthma-in-children
#13
Shuai Feng, Bo Chen, Xiao-Wen Yin, Fang-Jun Li
OBJECTIVE: To investigate the association between the serum level of brain-derived neurotrophic factor (BDNF) and the severity of asthma in children. METHODS: A total of 60 children with acute exacerbation of asthma were enrolled and divided according to the severity of the disease into mild group (n=18), moderate group (n=25), and severe group (n=17). Sixty healthy children were enrolled as controls. ELISA was used to measure the serum BDNF level in each group and the association between serum BDNF level and the severity of asthma was analyzed...
February 2017: Zhongguo Dang Dai Er Ke za Zhi, Chinese Journal of Contemporary Pediatrics
https://www.readbyqxmd.com/read/28196638/japanese-guidelines-for-adult-asthma-2017
#14
REVIEW
Masakazu Ichinose, Hisatoshi Sugiura, Hiroyuki Nagase, Masao Yamaguchi, Hiromasa Inoue, Hironori Sagara, Jun Tamaoki, Yuji Tohda, Mitsuru Munakata, Kohei Yamauchi, Ken Ohta
Adult bronchial asthma is characterized by chronic airway inflammation, and presents clinically with variable airway narrowing (wheezes and dyspnea) and cough. Long-standing asthma induces airway remodeling, leading to intractable asthma. The number of patients with asthma has increased; however, the number of patients who die of asthma has decreased (1.2 per 100,000 patients in 2015). The goal of asthma treatment is to enable patients with asthma to attain normal pulmonary function and lead a normal life, without any symptoms...
February 11, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/28196623/health-care-utilization-and-direct-costs-in-mild-moderate-and-severe-adult-asthma-a-descriptive-study-using-the-2014-south-korean-health-insurance-database
#15
Yoo Ju Lee, Sun-Hong Kwon, Sung-Hyun Hong, Jin Hyun Nam, Hyun Jin Song, Jong Seop Lee, Eui-Kyung Lee, Ju-Young Shin
PURPOSE: Although asthma exacerbation comprises a large burden of the total asthma-related costs, few studies have examined the frequency and cost of acute exacerbation according to asthma severity. This study investigated asthma-related health care utilization and costs according to the severity of asthma. METHODS: We conducted a descriptive study using the national health insurance claims database between January 1 and December 31, 2014. We included adult patients with asthma (18 years of age and older) who had ≥2 claims with for an asthma diagnosis and were prescribed ≥1 asthma medications...
February 16, 2017: Clinical Therapeutics
https://www.readbyqxmd.com/read/28176972/factors-associated-with-relapse-in-adult-patients-discharged-from-the-emergency-department-following-acute-asthma-a-systematic-review
#16
Jesse Hill, Nicholas Arrotta, Cristina Villa-Roel, Liz Dennett, Brian H Rowe
A significant proportion of patients discharged from the emergency department (ED) with asthma exacerbations will relapse within 4 weeks. This systematic review summarises the evidence regarding relapses and factors associated with relapse in adult patients discharged from EDs after being treated for acute asthma. Following a registered protocol, comprehensive literature searches were conducted. Studies tracking outcomes for adults after ED management and discharge were included if they involved adjusted analyses...
2017: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/28159238/in-vitro-effects-of-tamoxifen-on-equine-neutrophils
#17
C Borlone, N Morales, C Henriquez, H Folch, C Olave, J Sarmiento, B Uberti, G Moran
Neutrophils participate in innate immunity as the first line of host defense against microorganisms. However, exacerbated neutrophil activity can be harmful to surrounding tissues; this is important in a range of diseases, including allergic asthma and chronic obstructive pulmonary disease in humans, and equine asthma (also known as recurrent airway obstruction (RAO). Tamoxifen (TX) is a non-steroidal estrogen receptor modulator with effects on cell growth and survival. Previous preliminary studies showed that TX treatment in horses with induced acute pulmonary inflammation promoted early apoptosis of blood and BALF neutrophils, reduction of BALF neutrophils, and improvement in animals' clinical status...
February 2017: Research in Veterinary Science
https://www.readbyqxmd.com/read/28149573/current-situation-of-asthma-copd-overlap-syndrome-acos-in-chinese-patients-older-than-40-years-with-airflow-limitation-rationale-and-design-for-a-multicenter-cross-sectional-trial-study-protocol
#18
Jian Kang, Wanzhen Yao, Baiqiang Cai, Ping Chen, Xia Ling, Hongyan Shang
BACKGROUND: Asthma and chronic obstructive pulmonary disease (COPD) are the frequently occurring chronic airway diseases, and the overlapping syndrome observed in the majority of patients has been recently defined as asthma-COPD overlap syndrome (ACOS) by the Global Initiative for Chronic Obstructive Lung (GOLD, 2014) and Global initiative for Asthma (GINA, 2015). The proportion, features, and clinical practice of ACOS still remain elusive in China. We are conducting this multicenter, cross-sectional, observational study (NCT02600221) to investigate the distributions of chronic obstructive diseases in patients >40 years of age with chronic airflow limitation in China along with determination of the main clinical practice and features of these diseases...
December 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28144025/case-report-of-s1q3t3-electrocardiographic-abnormality-in-a-pregnant-asthmatic-patient-during-acute-bronchospasm
#19
Hafiza Arshad, Rana Rahel Khan, Misbahuddin Khaja
BACKGROUND Asthma is the most common chronic pulmonary disease during pregnancy. Several previous reports have documented reversible electrocardiographic changes during severe acute asthma attacks, including tachycardia, P pulmonale, right bundle branch block, right axis deviation, and ST segment and T wave abnormalities. CASE REPORT We present the case of a pregnant patient with asthma exacerbation in which acute bronchospasm caused S1Q3T3 abnormality on an electrocardiogram (ECG). The complete workup of ECG findings of S1Q3T3 was negative and correlated with bronchospasm...
February 1, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28139368/noninvasive-ventilation-for-acute-exacerbations-of-asthma-a-systematic-review-of-the-literature
#20
REVIEW
Elyce Green, Paras Jain, Maree Bernoth
BACKGROUND: Asthma is a chronic disease characterised by reversible airway obstruction caused by bronchospasm, mucous and oedema. People with asthma commonly experience acute exacerbations of their disease requiring hospitalisation and subsequent utilisation of economic and healthcare resources. Noninvasive ventilation has been suggested as a treatment for acute exacerbations of asthma due to its ability to provide airway stenting, optimal oxygen delivery and decreased work of breathing...
January 27, 2017: Australian Critical Care: Official Journal of the Confederation of Australian Critical Care Nurses
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