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Asthma exacerbation

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https://www.readbyqxmd.com/read/29678962/open-label-cluster-randomised-controlled-trial-and-economic-evaluation-of-a-brief-letter-from-a-gp-on-unscheduled-medical-contacts-associated-with-the-start-of-the-school-year-the-pleasant-trial
#1
Steven A Julious, Michelle J Horspool, Sarah Davis, Matthew Franklin, W Henry Smithson, Paul Norman, Rebecca M Simpson, Heather Elphick, Oscar Bortolami, Cindy Cooper
BACKGROUND: Asthma is seasonal with peaks in exacerbation rates in school-age children associated with the return to school following the summer vacation. A drop in prescription collection in August is associated with an increase in the number of unscheduled contacts after the school return. OBJECTIVE: To assess whether a public health intervention delivered in general practice reduced unscheduled medical contacts in children with asthma. DESIGN: Cluster randomised trial with trial-based economic evaluation...
April 20, 2018: BMJ Open
https://www.readbyqxmd.com/read/29678746/thirdhand-smoke-component-can-exacerbate-a-mouse-asthma-model-via-mast-cells
#2
Mang Yu, Kaori Mukai, Mindy Tsai, Stephen J Galli
BACKGROUND: Thirdhand smoke (THS) represents the accumulation of secondhand smoke on indoor surfaces and in dust, which, over time, can become more toxic than secondhand smoke. Although it is well known that children of smokers are at increased risk for developing asthma and for exacerbation of that disease if they already have it, how exposure to THS may influence the development or exacerbation of asthma remains unknown. OBJECTIVE: We investigated whether epicutaneous exposure to an important component of THS, 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK), can influence asthma pathology in a model elicited in mice by repeated intranasal challenge with cockroach antigen (CRA)...
April 17, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29677197/a-novel-statistical-method-for-assessing-effective-adherence-to-medication-and-calculating-optimal-drug-dosages
#3
Garrett Greene, Richard W Costello, Breda Cushen, Imran Sulaiman, Elaine Mac Hale, Ronan M Conroy, Frank Doyle
OBJECTIVE: We derive a novel model-based metric for effective adherence to medication, and validate it using data from the INhaler Compliance Assessment device (INCATM). This technique employs dose timing data to estimate the threshold drug concentration needed to maintain optimal health. METHODS: The parameters of the model are optimised against patient outcome data using maximum likelihood methods. The model is fitted and validated by secondary analysis of two independent datasets from two remote-monitoring studies of adherence, conducted through clinical research centres of 5 Irish hospitals...
2018: PloS One
https://www.readbyqxmd.com/read/29676834/working-while-unwell-workplace-impairment-in-people-with-severe-asthma
#4
Sarah A Hiles, Erin S Harvey, Vanessa M McDonald, Matthew Peters, Philip Bardin, Paul N Reynolds, John W Upham, Melissa Baraket, Zaheerodin Bhikoo, Jeffrey Bowden, Ben Brockway, Li Ping Chung, Belinda Cochrane, Gloria Foxley, Jeffrey Garrett, Mark Hew, Lata Jayaram, Christine Jenkins, Constance Katelaris, Gregory Katsoulotos, Mariko S Koh, Vicky Kritikos, Marina Lambert, David Langton, Alexis Lara Rivero, Guy B Marks, Peter G Middleton, Aldoph Nanguzgambo, Naghmeh Radhakrishna, Helen Reddel, Janet Rimmer, Anne Marie Southcott, Michael Sutherland, Francis Thien, Peter Ab Wark, Ian A Yang, Elaine Yap, Peter G Gibson
BACKGROUND: Severe asthma affects quality of life; however, its impact on workplace productivity is poorly understood. OBJECTIVE: To compare workplace productivity - absenteeism and presenteeism - and impairment in daily activities in severe and non-severe asthma over time and identify characteristics associated with presenteeism in severe asthma. METHODS: The Severe Asthma Web-based Database (SAWD) is an ongoing observational registry from Australia, New Zealand and Singapore...
April 20, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29676636/observed-home-dampness-and-mold-are-associated-with-sustained-spikes-in-personal-exposure-to-particulate-matter-less-than-10-%C3%AE-m-in-diameter-in-exacerbation-prone-children-with-asthma
#5
Cullen M Dutmer, Allison M Schiltz, Kristy L Freeman, Matthew J Christie, Juana A Cerna, Seung-Hyun Cho, Ryan T Chartier, Jonathan W Thornburg, Katharine L Hamlington, James L Crooks, Tasha E Fingerlin, David A Schwartz, Andrew H Liu
RATIONALE: Home dampness and mold are associated with asthma severity and exacerbations, but little is known about the nature of these exposures in at-risk children. OBJECTIVES: To test the hypothesis that observed dampness, water damage, and mold in the home are associated with higher exposure to particulate matter less than 10 μm in diameter in a cohort of at-risk children with asthma. METHODS: We performed a pilot study in 8- to 16-year-old children with exacerbation-prone asthma (n = 29; Denver Asthma Panel Study)...
April 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29676185/blood-eosinophil-and-basophil-values-before-and-after-surgery-for-eosinophilic-type-sinonasal-polyps
#6
Giuseppe Brescia, Daniela Parrino, Claudia Zanotti, Giulia Tealdo, Umberto Barion, Paolo Sfriso, Gino Marioni
Background Blood eosinophil and basophil levels have recently been considered for the purpose of endotyping chronic rhinosinusitis with nasal polyps (CRSwNP). Histologically, eosinophilic-type CRSwNPs have been associated with high recurrence rates after treatment. Objective The present study was the first to compare blood eosinophil and basophil counts in eosinophilic-type CRSwNP patients before and after endoscopic sinus surgery. Methods The study concerned 79 consecutive patients with histologically confirmed eosinophilic-type CRSwNP treated with endoscopic sinus surgery...
January 1, 2018: American Journal of Rhinology & Allergy
https://www.readbyqxmd.com/read/29676069/perceptions-of-severe-asthma-and-asthma-copd-overlap-syndrome-among-specialists-a-questionnaire-survey
#7
Sang Heon Kim, Ji Yong Moon, Jae Hyun Lee, Ga Young Ban, Sujeong Kim, Mi Ae Kim, Joo Hee Kim, Min Hye Kim, Chan Sun Park, So Young Park, Hyouk Soo Kwon, Jae Woo Kwon, Jae Woo Jung, Hye Ryun Kang, Jong Sook Park, Tae Bum Kim, Heung Woo Park, You Sook Cho, Kwang Ha Yoo, Yeon Mok Oh, Byung Jae Lee, An Soo Jang, Sang Heon Cho, Hae Sim Park, Choon Sik Park, Ho Joo Yoon
PURPOSE: Severe asthma and asthma-chronic obstructive pulmonary disease (COPD) overlap syndrome (ACOS) are difficult to control and are often associated with poor clinical outcomes. However, much is not understood regarding the diagnosis and treatment of severe asthma and ACOS. To evaluate the current perceptions of severe asthma and COPD among asthma and COPD specialists, we designed an e-mail and internet-based questionnaire survey. METHODS: Subjects were selected based on clinical specialty from among the members of the Korean Academy of Asthma, Allergy and Clinical Immunology and the Korean Academy of Tuberculosis and Respiratory Diseases...
May 2018: Allergy, Asthma & Immunology Research
https://www.readbyqxmd.com/read/29673798/transcutaneous-co-oximetry-differentiates-asthma-exacerbation-and-convalescence-in-children
#8
David B Kantor, Carter R Petty, Wanda Phipatanakul, Jonathan M Gaffin
This study reports that transcutaneous carboxyhemoglobin (SpCO), measured with a pulse CO-Oximetry device, is a marker of asthma exacerbation in children presenting for emergency care.
April 16, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29672188/effect-of-inhaled-corticosteroid-use-on-weight-bmi-in-pediatric-patients-with-moderate-severe-asthma
#9
Jennifer Han, John Nguyen, Yuna Kim, Bob Geng, Gale Romanowski, Lawrence Alejandro, James Proudfoot, Ronghui Xu, Sydney Leibel
OBJECTIVES: Assess the relationship between inhaled corticosteroid use (ICS) and weight (BMI) in pediatric patients with moderate-severe asthma. Assess if the number of emergency department (ED) visits correlates with overall BMI trajectory. Assess the trend of prescribing biologic therapy in pediatric patients with moderate-severe asthma and determine its relationship with weight (BMI). METHODS: A retrospective chart review was performed on 93 pediatric patients with moderate-severe asthma to determine the relationship between ICS use and weight (BMI), biologic therapy and BMI, and number of ED visits and BMI trajectory...
April 19, 2018: Journal of Asthma: Official Journal of the Association for the Care of Asthma
https://www.readbyqxmd.com/read/29672122/pruning-of-the-pulmonary-vasculature-in-asthma-the-sarp-cohort
#10
Samuel Y Ash, Farbod N Rahaghi, Carolyn E Come, James C Ross, Alysha G Colon, Juan Carlos Cardet-Guisasola, Eleanor M Dunican, Eugene R Bleecker, Mario Castro, John V Fahy, Sean B Fain, Benjamin M Gaston, Eric A Hoffman, Nizar N Jarjour, David T Mauger, Sally E Wenzel, Bruce D Levy, Raul San Jose Estepar, Elliot Israel, George R Washko
RATIONALE: Loss of the peripheral pulmonary vasculature, termed vascular pruning, is associated with disease severity in patients with chronic obstructive pulmonary disease. OBJECTIVES: To determine if pulmonary vascular pruning is associated with asthma severity and exacerbations. METHODS: We measured the total pulmonary blood vessel volume (TBV) and the blood vessel volume of vessels less than 5mm2 in cross sectional area (BV5) and of vessels less than 10mm2 (BV10) in cross sectional area on non-contrast computed tomographic scans of participants from the Severe Asthma Research Program...
April 19, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29671191/rheumatoid-arthritis-is-associated-with-increased-in-hospital-mortality-in-asthma-exacerbations-a-nationwide-study
#11
Yiming Luo, Xiaowen Fan, Changchuan Jiang, Ana Belen Arevalo Molina, Maria Salgado, Jiehui Xu
The relationship between RA and asthma has been yielding conflicting results, with most recent studies showing a possible positive association. The study aims at the outcomes of adult patients hospitalized for asthma exacerbation in those with and without RA. We used data from the National Inpatient Sample (NIS) for the period of 2012-2014. ICD 9 code was used to identify the diagnosis. Our primary outcome was in-hospital mortality. Our secondary outcome was total asthma exacerbation hospitalizations, length of stay, and total hospital charges...
April 19, 2018: Clinical Rheumatology
https://www.readbyqxmd.com/read/29669351/bronchial-thermoplasty-in-severe-asthma-best-practice-recommendations-from-an-expert-panel
#12
Peter I Bonta, Pascal Chanez, Jouke T Annema, Pallav L Shah, Robert Niven
Bronchial thermoplasty (BT) is a bronchoscopic treatment for patients with severe asthma who remain symptomatic despite optimal medical therapy. In this "expert best practice" paper, the background and practical aspects of BT are highlighted. Randomized, controlled clinical trials have shown BT to be safe and effective in reducing severe exacerbations, improving quality of life, and decreasing emergency department visits. Five-year follow-up studies have provided evidence of the functional stability of BT-treated patients with persistence of a clinical benefit...
April 17, 2018: Respiration; International Review of Thoracic Diseases
https://www.readbyqxmd.com/read/29665658/effect-of-the-anti-il-17-antibody-on-allergic-inflammation-in-an-obesity-related-asthma-model
#13
Lin Liang, Jung Hur, Ji Young Kang, Chin Kook Rhee, Young Kyoon Kim, Sook Young Lee
Background/Aims: The co-occurrence of obesity aggravates asthma symptoms. Diet-induced obesity increases helper T cell (TH) 17 cell differentiation in adipose tissue and the spleen. The 3-hydroxy-3-methylglutaryl-coenzyme A reductase inhibitor pravastatin can potentially be used to treat asthma in obese patients by inhibiting interleukin 17 (IL-17) expression. This study investigated the combined effects of pravastatin and anti-IL-17 antibody treatment on allergic inflammation in a mouse model of obesity-related asthma...
April 19, 2018: Korean Journal of Internal Medicine
https://www.readbyqxmd.com/read/29665127/proteomic-analysis-of-serum-and-sputum-analytes-distinguishes-controlled-and-poorly-controlled-asthmatics
#14
Marion T Kasaian, Julie Lee, Agnes Brennan, Spencer I Danto, Kendall E Black, Lori Fitz, Anne E Dixon
BACKGROUND: A major goal of asthma therapy is to achieve disease control, with maintenance of lung function, reduced need for rescue medication, and prevention of exacerbation. Despite current standard of care, up to 70% of patients with asthma remain poorly controlled. Analysis of serum and sputum biomarkers could offer insights into parameters associated with poor asthma control. OBJECTIVE: To identify signatures as determinants of asthma disease control, we performed proteomics using Olink proximity extension analysis...
April 17, 2018: Clinical and Experimental Allergy: Journal of the British Society for Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29664734/potential-causes-of-asthma-in-the-united-arab-emirates-drawing-insights-from-the-arabian-gulf
#15
REVIEW
Sarah Dalibalta, Fatin Samara, Haya Qadri, Hibatallah Adouchana
There is considerable concern on the rise in the incidence of asthma worldwide with statistics in the United Arab Emirates (UAE) indicating that at least 13% of schoolchildren, particularly of Emirati descent, suffer from asthma. With its high rates of hospital admissions, negative socioeconomic impact and significant morbidity, this is a disease that requires optimal guidelines for control and awareness. In this article, we review the current knowledge of asthma in the UAE and draw on studies, especially from the surrounding region, to identify its contributing factors within this population...
April 17, 2018: Reviews on Environmental Health
https://www.readbyqxmd.com/read/29663427/surfactant-protein-d-alleviates-eosinophil-mediated-airway-inflammation-and-remodeling-in-patients-with-aspirin-exacerbated-respiratory-disease
#16
Youngwoo Choi, Dong-Hyun Lee, Trinh Hoang Kim Tu, Ga-Young Ban, Hanki Park, Yoo Seob Shin, Seung-Hyun Kim, Hae-Sim Park
BACKGROUND: Surfactant protein D (SPD) is a member of the collectin family that lines the airway epithelial cells with host defense. However, the role of SPD in the pathogenesis of aspirin-exacerbated respiratory disease (AERD) is still unclear. METHODS: The serum SPD level was measured in patients with AERD (n=336), those with aspirin-tolerant asthma (ATA, n=442), and healthy controls (HC, n=104). Polymorphisms of SFTPD in the study subjects were analyzed. The effect of LTE4 on SPD production through eosinophil infiltration was investigated in BALB/c mice...
April 16, 2018: Allergy
https://www.readbyqxmd.com/read/29662064/the-use-of-electronic-alerts-in-primary-care-computer-systems-to-identify-the-excessive-prescription-of-short-acting-beta-2-agonists-for-people-with-asthma-a-systematic-review
#17
REVIEW
Shauna McKibben, Anna De Simoni, Andy Bush, Mike Thomas, Chris Griffiths
Computers are increasingly used to improve prescribing decisions in the management of long-term conditions however the effects on asthma prescribing remain unclear. We aimed to synthesise the evidence for the use of computerised alerts that identify excessive prescribing of short-acting beta2 -agonists (SABAs) to improve asthma management for people with asthma. MEDLINE, CINAHL, Embase, Cochrane and Scopus databases (1990-2016) were searched for randomised controlled trials using electronic alerts to identify excessive prescribing of SABAs for people with asthma in primary care...
April 16, 2018: NPJ Primary Care Respiratory Medicine
https://www.readbyqxmd.com/read/29653255/promoting-father-involvement-for-child-and-family-health
#18
REVIEW
Brandon S Allport, Sara Johnson, Anushka Aqil, Alain B Labrique, Timothy Nelson, Angela Kc, Yorghos Carabas, Arik V Marcell
Paternal involvement in children's lives is associated with a variety of child outcomes, from improved cognition and mental health to reduced obesity rates and asthma exacerbations. Given this evidence, the American Academy of Pediatrics has promoted actions by pediatricians to engage fathers in pediatric care. Despite these recommendations, the mother-child dyad remains a frequent focus of care, rather than the mother-father-child triad. Furthermore, pediatric care is often leveraged to improve maternal health, such as screening for maternal depression, but paternal health is infrequently addressed even as men tend to exhibit riskier behaviors, poorer primary care utilization, and lower life expectancy...
April 10, 2018: Academic Pediatrics
https://www.readbyqxmd.com/read/29653235/factors-correlated-with-repeated-aspirin-dosing-during-aspirin-desensitization
#19
Charles F Schuler, James L Baldwin, Alan P Baptist
BACKGROUND: Aspirin desensitization is an appropriate procedure for many patients with aspirin-exacerbated respiratory disease (AERD). Patients can require aspirin re-dosing, which prolongs the desensitization process. The frequency of this is not widely reported, nor is it known which patients will require multiple re-dosing. OBJECTIVE: To determine the frequency of and factors associated with repeat aspirin re-dosing during desensitization. METHODS: Charts of aspirin desensitization procedures from 2011-2016 at the University of Michigan Allergy/Immunology Clinic were reviewed...
April 10, 2018: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/29652870/surveillance-for-the-identification-of-cases-of-acute-respiratory-infection-by-enterovirus-d68-in-children-in-a-tertiary-level-care-hospital-during-2014-2016
#20
Ana Estela Gamiño-Arroyo, José Luis Sánchez-Huerta, Alicia Elhaín de la Garza-López, Israel Parra-Ortega, Noé Escobar-Escamilla, Edgar Mendieta-Condado, Fabiola Garcés-Ayala, Gisela Barrera-Badillo, José Ernesto Ramírez-González, José Alberto Díaz-Quiñonez, Daniela de la Rosa-Zamboni
Background: The reemergence of enterovirus D68 (EV-D68) infections in the United States was reported from August-October 2014 (691 cases). In Mexico, an outbreak at the National Institute of Respiratory Diseases was reported (24 cases). The results of epidemiological surveillance of Enterovirus sp. (EV) and other respiratory viruses in a national pediatric tertiary care level hospital are presented. Methods: Following the alert issued by the reemergence of EV-D68 in 2014, epidemiological surveillance -which only detected respiratory viruses by PCR in patients with influenza-like illness using nasopharyngeal swabs- expanded to include children with asthma exacerbation or acute respiratory distress...
2018: Boletín Médico del Hospital Infantil de México
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