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https://www.readbyqxmd.com/read/27924323/the-use-of-a-quartz-crystal-microbalance-as-an-analytical-tool-to-monitor-particle-surface-and-particle-particle-interactions-under-dry-ambient-and-pressurized-conditions-a-study-using-common-inhaler-components
#1
N W Turner, M Bloxham, S A Piletsky, M J Whitcombe, I Chianella
Metered dose inhalers (MDI) and multidose powder inhalers (MPDI) are commonly used for the treatment of chronic obstructive pulmonary diseases and asthma. Currently, analytical tools to monitor particle/particle and particle/surface interaction within MDI and MPDI at the macro-scale do not exist. A simple tool capable of measuring such interactions would ultimately enable quality control of MDI and MDPI, producing remarkable benefits for the pharmaceutical industry and the users of inhalers. In this paper, we have investigated whether a quartz crystal microbalance (QCM) could become such a tool...
December 7, 2016: Analyst
https://www.readbyqxmd.com/read/27924166/dental-erosion-and-dentin-hypersensitivity-among-adult-asthmatics-and-non-asthmatics-hospital-based-a-preliminary-study
#2
Zahra Hassan Abdelaziz Farag, Elhadi Mohieldin Awooda
BACKGROUND: Asthma is a chronic inflammatory condition affecting the airways leading to spasm and swelling of the airways. The medications taken for the treatment of asthma can result in dental erosion and dentin hypersensitivity. OBJECTIVES: The aims of this study were to investigate the severity of dental erosion amongst adult asthmatics according to: gender, type and duration of medication taken and to compare dental erosion and dentin hypersensitivity between asthmatics and non-asthmatics...
2016: Open Dentistry Journal
https://www.readbyqxmd.com/read/27923862/use-of-a-motivational-interviewing-informed-strategy-in-group-orientations-to-improve-retention-and-intervention-attendance-in-a-randomized-controlled-trial
#3
Lan Xiao, Nan Lv, Lisa G Rosas, Shweta Karve, Veronica Luna, Elizabeth Jameiro, Nancy Wittels, Jun Ma
High retention and treatment adherence are essential to ensure the quality of evidence from clinical trials. Strategies for improving these have been explored but actual rates in lifestyle intervention trials indicate challenges. This study examined the use of a motivational interviewing-informed strategy during interactive group orientations prior to obtaining informed consent, collecting baseline data and randomization in a healthy dietary pattern intervention trial for asthma control in adults. The themes generated from small group discussions and echoed in large group discussions during the orientation sessions helped potential participants better understand the scientific rationale of the research design and procedures and the practical implications for them to participate in the study...
December 2016: Health Education Research
https://www.readbyqxmd.com/read/27923647/mouse-sensitization-and-exposure-are-associated-with-asthma-severity-in-urban-children
#4
Torie Grant, Charles Aloe, Matthew Perzanowski, Wanda Phipatanakul, Mary E Bollinger, Rachel Miller, Elizabeth C Matsui
BACKGROUND: Mouse sensitization and exposure are associated with uncontrolled asthma, but whether they are associated with asthma severity, an intrinsic disease characteristic and long-term outcome predictor, is unclear. OBJECTIVE: To examine relationships between mouse sensitization and/or exposure and asthma severity in urban children. METHODS: A total of 645 children (5-17 years) with uncontrolled asthma underwent mouse sensitization evaluation...
December 3, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27923646/role-of-the-allergist-immunologist-and-upper-airway-allergy-in-sleep-disordered-breathing
#5
Dennis Shusterman, Fuad M Baroody, Timothy Craig, Samuel Friedlander, Talal Nsouli, Bernard Silverman
BACKGROUND: Sleep-disordered breathing in general and obstructive sleep apnea in particular are commonly encountered conditions in allergy practice. Physiologically, nasal (or nasopharyngeal) obstruction from rhinitis, nasal polyposis, or adenotonsillar hypertrophy are credible contributors to snoring and nocturnal respiratory obstructive events. Nevertheless, existing practice parameters largely relegate the role of the allergist to adjunctive treatment in cases of continuous positive airway pressure intolerance...
December 3, 2016: Journal of Allergy and Clinical Immunology in Practice
https://www.readbyqxmd.com/read/27923549/assessing-the-value-of-mepolizumab-for-severe-eosinophilic-asthma-a-cost-effectiveness-analysis
#6
Melanie D Whittington, R Brett McQueen, Daniel A Ollendorf, Jeffrey A Tice, Richard H Chapman, Steven D Pearson, Jonathan D Campbell
BACKGROUND: Adding mepolizumab to standard treatment with inhaled corticosteroids and controller medications could decrease asthma exacerbations and use of long-term oral steroids in patients with severe disease and increased eosinophils; however, mepolizumab is costly and its cost effectiveness is unknown. OBJECTIVE: To estimate the cost effectiveness of mepolizumab. METHODS: A Markov model was used to determine the incremental cost per quality-adjusted life year (QALY) gained for mepolizumab plus standard of care (SoC) and for SoC alone...
December 3, 2016: Annals of Allergy, Asthma & Immunology
https://www.readbyqxmd.com/read/27922751/new-therapies-for-asthma-and-copd
#7
Nicholas J Gross, Peter J Barnes
Asthma and COPD (chronic obstructive pulmonary disease) are two common diseases for which current treatments are less than optimal and for which new drugs are greatly needed. Better understanding of the cellular and molecular mechanisms of these diseases has identified new targets for therapy and several new drugs are in development. Although most new treatments on the market are improvements in existing classes of drug or new combination of treatments, the clinicaltrials.gov website indicates 50 and 100 new medications for both asthma and COPD and many of these are entirely new...
December 6, 2016: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/27922232/changing-epidemiology-of-non-cystic-fibrosis-bronchiectasis
#8
Semiha Bahçeci, Sait Karaman, Hikmet Tekin Nacaroğlu, Selçuk Yazıcı, Saniye Girit, Şule Ünsal-Karkıner, Demet Can
Non-cystic fibrosis bronchiectasis again becomes a major health problem due to inappropriate antibiotic use and increasing frequency of protracted bacterial bronchitis. The aim was to determine the changes in etiology of bronchiectasis. Patients who admitted to Behçet Uz Children Hospital between 2005 and 2015 (n=110) were retrospectively examined. The etiology of bronchiectasis was detected as; primary ciliary dyskinesia 26.4%, protracted bacterial bronchitis 22.8%, primary immune deficiency 11.8%, bronchiolitis obliterans 8...
2016: Turkish Journal of Pediatrics
https://www.readbyqxmd.com/read/27921210/tight-junctions-in-pulmonary-epithelia-during-lung-inflammation
#9
REVIEW
Oliver H Wittekindt
Inflammatory lung diseases like asthma bronchiale, chronic obstructive pulmonary disease and allergic airway inflammation are widespread public diseases that constitute an enormous burden to the health systems. Mainly classified as inflammatory diseases, the treatment focuses on strategies interfering with local inflammatory responses by the immune system. Inflammatory lung diseases predispose patients to severe lung failures like alveolar oedema, respiratory distress syndrome and acute lung injury. These life-threatening syndromes are caused by increased permeability of the alveolar and airway epithelium and exudate formation...
December 5, 2016: Pflügers Archiv: European Journal of Physiology
https://www.readbyqxmd.com/read/27920974/a-case-report-of-malignant-obesity-hypoventilation-syndrome-a-weighty-problem-in-our-icus
#10
Michael Tatusov, Joshua J Joseph, Brian M Cuneo
INTRODUCTION: The obesity epidemic is reflected by increasing numbers of morbidly obese patients being admitted to intensive care units (ICUs). These are complicated patients whose care involves many diagnostic and treatment challenges. We are presenting a fatal case of super obesity, hypoventilation, and multi-organ failure known as malignant obesity hypoventilation syndrome (MOHS). CASE PRESENTATION: 35 year old African American gentleman with a body mass index (BMI) of 115 kg/m(2) presented to the hospital with respiratory distress...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/27919249/-the-microbiome-and-the-pathophysiology-of-asthma
#11
REVIEW
Ashley Sullivan, Eoin Hunt, John MacSharry, Desmond M Murphy
Asthma is a chronic respiratory disease whose prevalence is increasing in the western world. Recently research has begun to focus on the role the microbiome plays in asthma pathogenesis in the hope of further understanding this respiratory disorder. Considered sterile until recently, the lungs have revealed themselves to contain a unique microbiota. A shift towards molecular methods for the quantification and sequencing of microbial DNA has revealed that the airways harbour a unique microbiota with apparent, reproducible differences present between healthy and diseased lungs...
December 5, 2016: Respiratory Research
https://www.readbyqxmd.com/read/27918476/antenatal-dexamethasone-exposure-in-preterm-infants-is-associated-with-allergic-diseases-and-the-mental-development-index-in-children
#12
Wan-Ning Tseng, Chih-Cheng Chen, Hong-Ren Yu, Li-Tung Huang, Ho-Chang Kuo
Background: Antenatal steroid administration may benefit fetal lung maturity in preterm infants. Although some studies have shown that this treatment may increase asthma in childhood, the correlation between antenatal dexamethasone exposure and allergic diseases remains unclear. The purpose of this study is to investigate the association between antenatal dexamethasone and T cell expression in childhood allergic diseases. Methods: We recruited a cohort of preterm infants born at Kaohsiung Chang Gung Memorial Hospital between 2007 and 2010 with a gestational age of less than 35 weeks and body weight at birth of less than 1500 g...
December 3, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27918306/targeting-integrin-%C3%AE-5%C3%AE-1-ameliorates-severe-airway-hyperresponsiveness-in-experimental-asthma
#13
Aparna Sundaram, Chun Chen, Amin Khalifeh-Soltani, Amha Atakilit, Xin Ren, Wenli Qiu, Hyunil Jo, William DeGrado, Xiaozhu Huang, Dean Sheppard
Treatment options are limited for severe asthma, and the need for additional therapies remains great. Previously, we demonstrated that integrin αvβ6-deficient mice are protected from airway hyperresponsiveness, due in part to increased expression of the murine ortholog of human chymase. Here, we determined that chymase protects against cytokine-enhanced bronchoconstriction by cleaving fibronectin to impair tension transmission in airway smooth muscle (ASM). Additionally, we identified a pathway that can be therapeutically targeted to mitigate the effects of airway hyperresponsiveness...
December 5, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27918221/neutrophilic-inflammation-in-asthma-mechanisms-and-therapeutic-considerations
#14
Hun Soo Chang, Tae-Hyeong Lee, Ji Ae Jun, Ae Rin Baek, Jong-Sook Park, So My Koo, Yang-Ki Kim, Ho Sung Lee, Choon-Sik Park
Neutrophilic airway inflammation represents a pathologically distinct form of asthma and frequently appears in symptomatic adulthood asthmatics. However, clinical impacts and mechanisms of the neutrophilic inflammation have not been thoroughly evaluated up to date. Areas covered: Currently, distinct clinical manifestations, triggers, and molecular mechanisms of the neutrophilic inflammation (namely Toll-like receptor, Th1, Th17, inflammasome) are under investigation in asthma. Furthermore, possible role of the neutrophilic inflammation is being investigated in respect to the airway remodeling...
December 5, 2016: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/27917214/treadmill-walking-exercise-modulates-bone-mineral-status-and-inflammatory-cytokines-in-obese-asthmatic-patients-with-long-term-intake-of-corticosteroids
#15
Shehab M Abd El-Kader, Osama H Al-Jiffri, Eman M Ashmawy, Riziq Allah M Gaowgzeh
BACKGROUND: Obesity and asthma are an important public health problem in Saudi Arabia. An increasing body of data supports the hypothesis that obesity is a risk factor for asthma. Asthma appears to be associated with low bone mineral density (BMD) due to long-term use of corticosteroids. Studies recently showed that weight bearing exercise training can increase mineral bone density, reduce weight and improve metabolic control. OBJECTIVE: The present study aimed to measure the effects of treadmill walking exercises on bone mineral status and inflammatory cytokines in obese asthmatic patients treated with long term intake of corticosteroids...
September 2016: African Health Sciences
https://www.readbyqxmd.com/read/27916734/azithromycin-ameliorates-airway-remodeling-via-inhibiting-airway-epithelium-apoptosis
#16
Yuanqi Liu, Yue Pu, Diandian Li, Liming Zhou, Lihong Wan
AIMS: Azithromycin can benefit treating allergic airway inflammation and remodeling. In the present study, we hypothesized that azithromycin alleviated airway epithelium injury through inhibiting airway epithelium apoptosis via down regulation of caspase-3 and Bax/Bcl2 ratio in vivo and in vitro. MAIN METHODS: Ovalbumin induced rat asthma model and TGF-β1-induced BEAS-2B cell apoptosis model were established, respectively. In vivo experiments, airway epithelium was stained with hematoxylin and eosin (HE) and periodic acid-Schiff (PAS) to histologically evaluate the airway inflammation and remodeling...
December 1, 2016: Life Sciences
https://www.readbyqxmd.com/read/27916586/selaginella-uncinata-flavonoids-ameliorated-ovalbumin-induced-airway-inflammation-in-a-rat-model-of-asthma
#17
Bing Yu, Wei Cai, Huan-Huan Zhang, Yu-Sen Zhong, Jie Fang, Wen-You Zhang, Li Mo, Lu-Chen Wang, Chen-Huan Yu
ETHNOPHARMACOLOGICAL RELEVANCE: Selaginella uncinata (Desv.) Spring, known as "Cuiyuncao" is a perennial herb widely distributed in the Southeast Asian countries. In the folk medicine, the local minority commonly use it to treat cough and asthma for centuries. AIM OF THE STUDY: This study was carried out to investigate the protective mechanisms of total flavonoids from S. uncinata (SUF) on airway hyperresponsiveness, cytokine release and bitter taste receptors (T2Rs) signaling with emphasis on inflammatory responses in a rat model of ovalbumin (OVA)-induced asthma...
December 1, 2016: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/27916062/-perioperational-management-of-gynecological-cancer-patients-with-severe-internal-medical-complications-a-serial-of-37-clinical-cases
#18
J Hu, W Q Lyu, Y L Guo, H W Wen, H Qiao, Y Qu
Objective: To evaluate the effectiveness and safety of perioperational management of gynecological cancer patients with severe internal medical complications. Methods: We collected 37 cases of gynecological cancer patients with severe internal medical complications who were hospitalized in Peking University First Hospital from Jan. 2010 to Nov. 2014. All of the cases were planned to move to ICU right after operation based on the preoperational assessment of anesthetist and physician. The median age was 69.4 years, and 25 cases (68%,25/37) of them were over 70 years old...
November 25, 2016: Zhonghua Fu Chan Ke za Zhi
https://www.readbyqxmd.com/read/27915170/optimization-of-substituted-imidazobenzodiazepines-as-novel-asthma-treatments
#19
Rajwana Jahan, Michael Rajesh Stephen, Gloria S Forkuo, Revathi Kodali, Margaret L Guthrie, Amanda N Nieman, Nina Y Yuan, Nicolas M Zahn, Michael M Poe, Guanguan Li, Olivia B Yu, Gene T Yocum, Charles W Emala, Douglas C Stafford, James M Cook, Leggy A Arnold
We describe the synthesis of analogs of XHE-III-74, a selective α4β3γ2 GABAAR ligand, shown to relax airway smooth muscle ex vivo and reduce airway hyperresponsiveness in a murine asthma model. To improve properties of this compound as an asthma therapeutic, a series of analogs with a deuterated methoxy group in place of methoxy group at C-8 position was evaluated for isotope effects in preclinical assays; including microsomal stability, cytotoxicity, and sensorimotor impairment. The deuterated compounds were equally or more metabolically stable than the corresponding non-deuterated analogs and increased sensorimotor impairment was observed for some deuterated compounds...
November 24, 2016: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/27913770/cor-triatriatum-a-review
#20
REVIEW
Ajay Kumar Jha, Neeti Makhija
Cor triatriatum is a rare congenital cardiac anomaly defined by an abnormal septation within the atrium (left or right) leading to inflow obstruction to the respective ventricles. It exists either in isolated classical form or may be associated with simple to complex congenital cardiac anomalies. Several anatomical variants exist even in the classical form, and therefore, it may require multimodal diagnostic modalities to characterize and differentiate for better percutaneous interventional or surgical planning...
December 2, 2016: Seminars in Cardiothoracic and Vascular Anesthesia
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