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https://www.readbyqxmd.com/read/28441858/-development-of-an-eosinophilic-bronchitis-mouse-model-and-the-effects-of-eosinophil-activation-on-airway-hyperresponsiveness-in-eosinophilic-bronchitis-mice
#1
L Li, J T Lin
Objective: To develop a mouse model of eosinophilic bronchitis, and explore the effects of eosinophil activation on airway hyperresponsiveness. Methods: A total of 60 female specific pathogen free BALB/c female mice were divided randomly into four groups: polymyxin B group, normal saline group, polymyxin B+ N-methionine leucine phenylalanine (fMLP) group, normal saline+ fMLP group. All the groups were given corresponding nasal drops for 21 days. The former two groups were given 12 μl 0.5% polymyxin B or normal saline once a day by transnasal administration respectively...
April 25, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28441505/error-detection-based-model-to-assess-educational-outcomes-in-crisis-resource-management-training-a-pilot-study
#2
Sarah Bouhabel, Emily Kay-Rivest, Carol Nhan, Ilana Bank, Peter Nugus, Rachel Fisher, Lily Hp Nguyen
Otolaryngology-head and neck surgery (OTL-HNS) residents face a variety of difficult, high-stress situations, which may occur early in their training. Since these events occur infrequently, simulation-based learning has become an important part of residents' training and is already well established in fields such as anesthesia and emergency medicine. In the domain of OTL-HNS, it is gradually gaining in popularity. Crisis Resource Management (CRM), a program adapted from the aviation industry, aims to improve outcomes of crisis situations by attempting to mitigate human errors...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28441440/correction-relationships-between-mucosal-antibodies-non-typeable-haemophilus-influenzae-nthi-infection-and-airway-inflammation-in-copd
#3
Karl J Staples, Stephen Taylor, Steve Thomas, Stephanie Leung, Karen Cox, Thierry G Pascal, Kristoffer Ostridge, Lindsay Welch, Andrew C Tuck, Stuart C Clarke, Andrew Gorringe, Tom M A Wilkinson
[This corrects the article DOI: 10.1371/journal.pone.0167250.].
2017: PloS One
https://www.readbyqxmd.com/read/28441237/noninvasive-ventilation-in-acute-hypoxemic-nonhypercapnic-respiratory-failure-a-systematic-review-and-meta-analysis
#4
Xiu-Ping Xu, Xin-Chang Zhang, Shu-Ling Hu, Jing-Yuan Xu, Jian-Feng Xie, Song-Qiao Liu, Ling Liu, Ying-Zi Huang, Feng-Mei Guo, Yi Yang, Hai-Bo Qiu
OBJECTIVE: To evaluate the effectiveness of noninvasive ventilation in patients with acute hypoxemic nonhypercapnic respiratory failure unrelated to exacerbation of chronic obstructive pulmonary disease and cardiogenic pulmonary edema. DATA SOURCES: PubMed, EMBASE, Cochrane library, Web of Science, and bibliographies of articles were retrieved inception until June 2016. STUDY SELECTION: Randomized controlled trials comparing application of noninvasive ventilation with standard oxygen therapy in adults with acute hypoxemic nonhypercapnic respiratory failure were included...
April 22, 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28441064/bacillus-calmette-guerin-alleviates-airway-inflammation-and-remodeling-by-preventing-tgf-%C3%AE-1-induced-epithelial-mesenchymal-transition
#5
Xinrui Tian, Xinli Tian, Rujie Huo, Qin Chang, Guoping Zheng, Yan Du, Yan Chen, Bo Niu
Bacillus Calmette-Guerin (BCG) is a potent agent for the prevention of tuberculosis. Current studies have regarded BCG as an immunomodulator. However, there is little information on whether it can be used to inhibit airway inflammation and airway remodeling caused by asthma. Therefore, in this study, we investigate the role of epithelial-mesenchymal transition (EMT) in airway inflammation and airway remodeling as well as the possible therapeutic mechanism of BCG for the treatment of asthma. Wistar rats were sensitized and challenged by ovalbumin for 2 weeks or 8 weeks...
April 25, 2017: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/28440911/unnoticed-aspiration-of-palate-plate-impression-material-in-a-neonate-diagnosis-therapy-outcome
#6
Friedrich Reichert, Peter Amrhein, Frank Uhlemann
A 7 week old infant was admitted with respiratory failure. Chest X-ray showed an atelectatic right upper lobe, herniation of right middle and lower lobe into the left thorax, and compression-atelectasis of the left lung. Thoracic CT showed complete occlusion of the right superior bronchus with a radiopaque foreign material. Six weeks prior, an impression for a palate plate using polyvinylsiloxane was taken. The material was removed with a rigid endoscopy, in readiness of extracorporeal oxygenation in case of tracheal obstruction or bronchial rupture...
April 25, 2017: Pediatric Pulmonology
https://www.readbyqxmd.com/read/28440659/alleviation-of-multiple-asthmatic-pathologic-features-with-orally-available-and-subtype-selective-gabaa-receptor-modulators
#7
Gloria S Forkuo, Amanda N Nieman, Nina Y Yuan, Revathi Kodali, Olivia B Yu, Nicolas M Zahn, Rajwana Jahan, Guanguan Li, Michael Rajesh Stephen, Margaret L Guthrie, Michael M Poe, Benjamin D Hartzler, Ted William Harris, Gene T Yocum, Charles W Emala, Douglas A Steeber, Douglas C Stafford, James M Cook, Leggy A Arnold
We describe pharmacokinetic and pharmacodynamic properties of two novel oral drug candidates for asthma. Phenolic α4β3γ2 GABAAR selective compound 1 and acidic α5β3γ2 selective GABAAR positive allosteric modulator compound 2 relaxed airway smooth muscle ex vivo and attenuated airway hyperresponsiveness (AHR) in a murine model of asthma. Importantly, compound 2 relaxed acetylcholine contracted human tracheal airway smooth muscle strips. Oral treatment of compound 1 and 2 decreased eosinophils in bronchoalveolar lavage fluid in ovalbumin sensitized and challenged mice, thus exhibiting anti-inflammatory properties...
April 25, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/28440536/selected-bone-morphogenetic-proteins-the-possibility-of-their-use-in-the-diagnostics-and-therapy-of-severe-asthma
#8
Marcelina Koćwin, Mateusz Jonakowski, Marcelina Przemęcka, Michał Panek, Piotr Kuna
Asthma is a chronic heterogeneous illness of the lower airway with an inflammatory basis, developing from hyperresponsiveness and bronchial obstruction. One of the more unfavourable processes occurring in the airway are the long-term changes of the respiratory tract known as remodelling, resulting in complete irreversible obstruction. Bone morphogenetic protein (BMP) is a member of the Transforming Growth Factor beta (TGF-b) superfamily, which regulates processes in embryonic and post-embryonic development...
2017: Advances in Respiratory Medicine
https://www.readbyqxmd.com/read/28440108/microbiology-of-the-upper-and-lower-airways-in-pediatric-cystic-fibrosis-patients
#9
Lindsay Sobin, Kosuke Kawai, Alexandria L Irace, Ozgul Gergin, Michael Cunningham, Gregory S Sawicki, Eelam A Adil
Objective To evaluate the microbiology of the upper and lower airways in pediatric cystic fibrosis (CF) patients who underwent sinus surgery. Study Design Retrospective case series with chart review. Setting Tertiary care children's hospital. Subjects and Methods A total of 201 paired sinus and pulmonary cultures from 105 CF patients were identified between 1996 and 2014. Demographics and culture results were analyzed. Results The mean age of patients was 11.2 ± 5.4 years (range, 1-27 years), and approximately one-half were female...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28440062/predictive-value-of-serum-sst2-in-preschool-wheezers-for-development-of-asthma-with-high-feno
#10
Maria E Ketelaar, Kim D G van de Kant, F Nicole Dijk, Ester M M Klaassen, Néomi Grotenboer, Martijn C Nawijn, Edward Dompeling, Gerard H Koppelman
Wheezing is common in childhood. However, current prediction models of paediatric asthma have only modest accuracy. Novel biomarkers and definition of subphenotypes may improve asthma prediction. Interleukin-1-receptor-Like-1 is a well-replicated asthma-gene and associates with eosinophilia. We investigated whether serum sST2 predicts asthma and asthma with elevated exhaled NO (FeNO), compared to the commonly used Asthma Prediction Index (API). Using logistic regression modeling, we found that serum sST2 levels in 2-3y old wheezers do not predict doctors' diagnosed asthma at age 6y...
April 25, 2017: Allergy
https://www.readbyqxmd.com/read/28439962/balancing-task-focus-and-relationship-building-asking-sleepy-patients-about-traffic-risk-in-treatment-initiation-consultations
#11
Clara Iversen, Anders Broström, Martin Ulander
BACKGROUND: The use of traffic risk assessment questions is an understudied area in nursing research. Obstructive sleep apnoea is associated with an increased risk of traffic accidents. Therefore, traffic safety authorities demand adherent continuous positive airway pressure use. Nurses act as coaches to achieve treatment adherence, but they are also obliged to act as state agents by prohibiting obstructive sleep apnoea patients from drowsy driving. OBJECTIVE: To examine how nurses and obstructive sleep apnoea patients manage traffic risk assessment questions in the relation-building context of treatment initiation consultations...
April 24, 2017: Scandinavian Journal of Caring Sciences
https://www.readbyqxmd.com/read/28439933/effect-of-anti-ige-in-occupational-asthma-caused-by-exposure-to-low-molecular-weight-agents
#12
M Ollé-Monge, M J Cruz, S Gomez-Ollés, I Ojanguren, J Vanoirbeek, X Muñoz
BACKGROUND: The role of immunoglobulin (Ig)-E in occupational asthma (OA) due to low molecular weight (LMW) agents is not well established compared to classical atopic asthma. In the present study we evaluate whether anti-IgE monoclonal antibody (mAb) has an effect in a mouse model of OA, using persulfate salts. METHODS: On days 1 and 8, BALB/C mice were dermally sensitized with 5% ammonium persulfate (AP) or dimethyl sulfoxide (DMSO). On days 15, 18 and 21 animals were injected intraperitoneally with anti-IgE mAb or PBS 6 hours before challenge with AP or saline...
April 25, 2017: Allergy
https://www.readbyqxmd.com/read/28439690/association-of-endotracheal-tube-repositioning-and-acute-laryngeal-lesions-during-mechanical-ventilation-in-children
#13
Denise Manica, Catia de Souza Saleh Netto, Cláudia Schweiger, Leo Sekine, Larissa Valency Enéas, Denise Rotta Pereira, Gabriel Kuhl, Paulo Roberto Antonacci Carvalho, Paulo José Cauduro Marostica
The objective of this study is to determine the incidence of post-extubation acute laryngeal lesions in a pediatric intensive care unit (PICU) and potential risk factors. Children, aged 28 days to 5 years, admitted to the PICU who required endotracheal intubation for at least 24 h were enrolled. Exclusion criteria were a previous intubation, history of laryngeal disease, current or past tracheostomy, the presence of craniofacial malformations and patients considered on palliative care. All patients underwent flexible fiber-optic laryngoscopy (FFL) not later than 8 h after extubation...
April 24, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/28439630/myriocin-treatment-of-cf-lung-infection-and-inflammation-complex-analyses-for-enigmatic-lipids
#14
Anna Caretti, Michele Vasso, Fabiola Tecla Bonezzi, Andrea Gallina, Marco Trinchera, Alice Rossi, Raffaella Adami, Josefina Casas, Monica Falleni, Delfina Tosi, Alessandra Bragonzi, Riccardo Ghidoni, Cecilia Gelfi, Paola Signorelli
Our aim was to use quantitative and qualitative analyses to gain further insight into the role of ceramide in cystic fibrosis (CF). Sphingolipid ceramide is a known inflammatory mediator, and its accumulation in inflamed lung has been reported in different types of emphysema, chronic obstructive pulmonary disease and CF. CF is caused by a mutation of the chloride channel and associated with hyperinflammation of the respiratory airways and high susceptibility to ongoing infections. We have previously demonstrated that de novo ceramide synthesis is enhanced in lung inflammation and sustains Pseudomonas aeruginosa pulmonary infection in a CF murine model...
April 24, 2017: Naunyn-Schmiedeberg's Archives of Pharmacology
https://www.readbyqxmd.com/read/28439597/ambu-auraonce-versus-i-gel-laryngeal-mask-airway-in-infants-and-children-undergoing-surgical-procedures-a-randomized-controlled-trial
#15
Abdulrahman M Alzahem, Mansoor Aqil, Tariq A Alzahrani, Ayman H Aljazaeri
To compare the efficacy and performance of the pediatric Ambu AuraOnce (Ambu AO) mask (Ambu, Copenhagen, Denmark) and i-gel mask (Intersurgical Ltd., Wokingham, United Kingdom). Methods: From May 2015 to September 2016, 112 patients, 0-14 years old, underwent elective surgery at a tertiary university hospital (Riyadh, Saudi Arabia). They were randomly assigned to the Ambu AO or i-gel group. Three groups underwent a subgroup analysis: ≤5 kg (group 1), 5.1-10.0 kg (group 2), and >10 kg (group 3). Results: The oropharyngeal leak pressure was significantly higher for the i-gel (25...
May 2017: Saudi Medical Journal
https://www.readbyqxmd.com/read/28439444/airway-management-of-patients-undergoing-oral-cancer-surgery-a-retrospective-analysis-of-156-patients
#16
Sapna Annaji Nikhar, Ashima Sharma, Mahesh Ramdaspally, Ramachandran Gopinath
OBJECTIVE: Oral cancer patients have a potentially difficult airway, but if managed properly during the perioperative period, morbidity and mortality can be reduced or avoided. METHODS: The medical records of 156 patients who were operated for oral cancers were reviewed for airway management during the perioperative period. RESULTS: The surgical procedures ranged from excisions, wide local excisions with split skin graftings, hemiglossectomies and radical neck nodes dissections to pectoralis major myocutaneous or free fibular flaps...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28439442/a-prospective-randomised-clinical-trial-for-the-comparison-of-two-techniques-for-the-insertion-of-proseal-laryngeal-mask-airway-in-adults-index-finger-insertion-technique-versus-90%C3%A2-rotation-technique
#17
Pavan V Dhulkhed, Sunil V Khyadi, Parbati B Jamale, Vithal K Dhulkhed
OBJECTIVE: The 90° rotation technique for inserting the Proseal laryngeal mask airway (PLMA) is reported to be better than the standard index finger insertion technique to improve the insertion success rate. The objective of this study was to evaluate and compare the ease of insertion through the 90° rotation and standard insertion techniques in terms of number of attempts, duration of insertion and occurrence of complications. METHODS: One hundred and twenty adult patients were allocated to either a standard technique group or rotation technique group with 60 patients in each...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28439437/supraglottic-airway-devices-the-search-for-the-best-insertion-technique-or-the-time-to-change-our-point-of-view
#18
Massimiliano Sorbello, Flavia Petrini
In the crowded world of supraglottic airway devices (SADs), many papers compare the easiness of insertion based on the different endpoints of an operator's satisfaction: first pass success, ventilation effectiveness, complications and morbidity. Proseal LMA(™) (Laryngeal Mask Airway, Teleflex Medical, Dublin, Ireland) has been extensively studied because on one hand it has a steeper learning curve and more complex insertion when compared with other SADs and on the other hand many alternative techniques are available to facilitate insertion...
April 2017: Turkish Journal of Anaesthesiology and Reanimation
https://www.readbyqxmd.com/read/28439113/microrna-expression-profiling-defines-the-impact-of-electronic-cigarettes-on-human-airway-epithelial-cells
#19
Siva Kumar Solleti, Soumyaroop Bhattacharya, Ausaf Ahmad, Qian Wang, Jared Mereness, Tirumalai Rangasamy, Thomas J Mariani
While all forms of tobacco exposure have negative health effects, the significance of exposure to electronic cigarettes (eCig) is not fully understood. Here, we studied the global effects of eCig on the micro RNA (miRNA) transcriptome in human lung epithelial cells. Primary human bronchial epithelial (NHBE) cells differentiated at air-liquid interface were exposed to eCig liquid. Exposure of NHBE to any eCig liquid resulted in the induction of oxidative stress-response genes including GCLM, GCLC, GPX2, NQO1 and HO-1...
April 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28439038/pseudomonas-aeruginosa-derived-rhamnolipids-and-other-detergents-modulate-colony-morphotype-and-motility-in-the-burkholderia-cepacia-complex
#20
Steve P Bernier, Courtney Hum, Xiang Li, George A O'Toole, Nathan Magarvey, Michael G Surette
Competitive interactions mediated by released chemicals (e.g. toxins) are prominent in multispecies communities, but their effect at subinhibitory concentrations on susceptible bacteria is poorly understood. Although Pseudomonas aeruginosa and species of the Burkholderia cepacia complex (Bcc) can exist together as a co-infection in cystic fibrosis airways, P. aeruginosa toxins can kill Bcc species in vitro Consequently, these bacteria become an ideal in vitro model system to study the impact of sublethal levels of toxins on the biology of typical susceptible bacteria such as the Bcc when exposed to P...
April 24, 2017: Journal of Bacteriology
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