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https://www.readbyqxmd.com/read/29341456/iron-pill-aspiration-cytologic-and-histologic-findings-of-a-potential-life-threatening-airway-injury-a-case-report-and-literature-review
#1
Vanessa Henriques, Diogo Costa Santos, Graça Lérias, Lucília Cáceres Monteiro
Iron pill-induced injury of bronchial mucosa is a complication following accidental aspiration of an iron tablet. Oral iron supplementation is a common therapy, particularly among advanced-age patients, who are more prone to aspiration. However, iron pill aspiration has been rarely reported in the literature, usually under the format of short case reports, with only 32 cases published in the literature. The cytologic features suspicious for this rare but potentially lethal entity have been seldom described...
January 16, 2018: Diagnostic Cytopathology
https://www.readbyqxmd.com/read/29334569/assessment-of-prehospital-hemorrhage-and-airway-care-using-a-simulation-model
#2
Mariya E Skube, Seth Witthuhn, Kristine Mulier, Bonnie Boucher, Elizabeth Lusczek, Greg J Beilman
BACKGROUND: The quality of prehospital care impacts patient outcomes. Military efforts have focused on training revision and the creation of high fidelity simulation models to address potentially survivable injuries. We sought to investigate the applicability of models emphasizing hemorrhage control and airway management to a civilian population. METHODS: Prehospital healthcare providers (PHPs) undergoing their annual training were enrolled. A trauma scenario was simulated with two modules: hemorrhage control and airway management...
January 12, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29332567/nociceptin-orphanin-fq-peptide-nop-receptor-modulators-an-update-in-structure-activity-relationships
#3
Carlo Mustazza, Stefano Pieretti, Francesca Marzoli
Nociceptin /Orphanin FQ Peptide" receptor (NOPr) is a G-protein-coupled receptor with the nociceptin/orphanin FQ peptide (N/OFQ) as endogenous agonist. It is expressed in the nervous system as well as in some non-neural tissues. Its activation has pronociceptive effect at the supraspinal level, whereas at the spinal level it produces nociceptive effects at low doses and antinociceptive effects at higher doses. NOPr is also involved in mood and blood pressure regulation, immunoregulation, airway constriction, feeding, urination, bowel motility, learning and memory...
January 10, 2018: Current Medicinal Chemistry
https://www.readbyqxmd.com/read/29331616/paediatric-video-laryngoscopy-and-airway-management-what-s-the-clinical-evidence
#4
Xue Fu-Shan, Liu Ya-Yang, Li Hui-Xian, Yang Gui-Zhen
The major complications of paediatric airway management are uncommon, but the outcomes are often severe. Over the last decade, additions and advancements in the devices and technology have significantly improved our ability to manage difficult paediatric airways safely. Videolaryngoscopy involves the use of video and optical technology to facilitate indirect visualisation of the larynx during intubation and has been seen as an evolutionary step in intubation technology. Over the past few years, video laryngoscopes have been receiving plenty of attention as new airway devices for use in paediatric patients...
January 10, 2018: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/29328889/respiratory-phenotypes-for-preterm-infants-children-and-adults-bronchopulmonary-dysplasia-and-more
#5
Joseph M Collaco, Sharon A McGrath-Morrow
Ongoing advancements in neonatal care since the late 1980's have led to increased numbers of premature infants surviving well beyond the neonatal period. As a result of increased survival, many individuals born preterm manifest chronic respiratory symptoms throughout infancy, childhood and adult life. The archetypical respiratory disease of prematurity, bronchopulmonary dysplasia (BPD), is the second most common chronic pediatric respiratory disease after asthma. However, there are several commonly held misconceptions...
January 12, 2018: Annals of the American Thoracic Society
https://www.readbyqxmd.com/read/29327733/orthopaedic-treatment-effects-of-functional-therapy-on-the-sagittal-pharyngeal-dimensions-in-subjects-with-sleep-disordered-breathing-and-class-ii-malocclusion
#6
C Pavoni, E Cretella Lombardo, R Lione, P Bollero, F Ottaviani, P Cozza
The purpose of this cephalometric study was to evaluate the craniofacial changes induced by functional treatment of mandibular advancement with special regard to pharyngeal sagittal airway dimensions, tongue and hyoid bone position in subjects with sleep-disordered breathing (SDB) and dentoskeletal Class II malocclusions compared with an untreated Class II control group. 51 subjects (24 female, 27 male; mean age 9.9 ± 1.3 years) with Class II malocclusion and SDB consecutively treated with a functional appliance (Modify Monobloc, MM) were compared with a control group of 31 subjects (15 males, 16 females; mean age 10...
December 2017: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29327730/eosinophil-derived-ccl-6-impairs-hematopoietic-stem-cell-homeostasis
#7
Chao Zhang, Weiwei Yi, Fei Li, Xufei Du, Hu Wang, Ping Wu, Chao Peng, Man Luo, Wen Hua, Catherine Cl Wong, James J Lee, Wen Li, Zhihua Chen, Songmin Ying, Zhenyu Ju, Huahao Shen
Eosinophils (Eos) have been long considered as end-stage effector cells in the hierarchical hematopoietic system. Numerous lines of evidence have suggested that Eos are multifunctional leukocytes with respect to the initiation, propagation and regulation of various inflammatory or immune reactions, especially in allergic diseases. Recent studies have shown that Eos are also required for maintenance of bone marrow plasma cells and differentiation of B cells. However, it remains unclear whether Eos contributes to regulation of hematopoietic stem cell (HSC) homeostasis...
January 12, 2018: Cell Research
https://www.readbyqxmd.com/read/29324483/advancing-patient-safety-in-airway-management
#8
Michael F Aziz
No abstract text is available yet for this article.
January 12, 2018: Anesthesiology
https://www.readbyqxmd.com/read/29302493/locally-advanced-asymptomatic-papillary-thyroid-cancer-presenting-with-retropharyngeal-lymph-node-metastasis-symptoms
#9
Roostam Kholmatov, Obinwanne Emejulu, Fadi Murad, Rizwan Aslam, Emad Kandil
Papillary thyroid cancer (PTC) rarely metastasizes to the retropharyngeal lymph nodes. Managing patients with locally advanced primary PTC and metastasis located in distant anatomical areas is challenging. Herein, we report a 56-year-old patient with locally advanced asymptomatic PTC, who presented with obstructive airway symptoms due to the metastatic retropharyngeal lymph node. The patient underwent simultaneous total thyroidectomy, central lymph node dissection, en bloc resection of strap muscle and left laryngeal nerve via cervical approach and transoral resection of the metastatic retropharyngeal lymph node...
December 2017: Gland Surgery
https://www.readbyqxmd.com/read/29297499/differential-regulation-of-the-transcriptomic-and-secretomic-landscape-of-sensor-and-effector-functions-of-human-airway-epithelial-cells
#10
Roland Lehmann, Mario M Müller, Tilman E Klassert, Dominik Driesch, Magdalena Stock, Anina Heinrich, Theresia Conrad, Christoph Moore, Uta K Schier, Reinhard Guthke, Hortense Slevogt
Protein secretion upon TLR, TNFR1, and IFNGR ligation in the human airways is considered to be central for the orchestration of pulmonary inflammatory and immune responses. In this study, we compared the gene expression and protein secretion profiles in response to specific stimulation of all expressed TLRs and in further comparison to TNFR1 and IFNGR in primary human airway epithelial cells. In addition to 22 cytokines, we observed the receptor-induced regulation of 571 genes and 1,012 secreted proteins. Further analysis revealed high similarities between the transcriptional TLR sensor and TNFR1 effector responses...
January 3, 2018: Mucosal Immunology
https://www.readbyqxmd.com/read/29297393/substance-deposition-assessment-in-obstructed-pulmonary-system-through-numerical-characterization-of-airflow-and-inhaled-particles-attributes
#11
Antonios Lalas, Stavros Nousias, Dimitrios Kikidis, Aris Lalos, Gerasimos Arvanitis, Christos Sougles, Konstantinos Moustakas, Konstantinos Votis, Sylvia Verbanck, Omar Usmani, Dimitrios Tzovaras
BACKGROUND: Chronic obstructive pulmonary disease (COPD) and asthma are considered as the two most widespread obstructive lung diseases, whereas they affect more than 500 million people worldwide. Unfortunately, the requirement for detailed geometric models of the lungs in combination with the increased computational resources needed for the simulation of the breathing did not allow great progress to be made in the past for the better understanding of inflammatory diseases of the airways through detailed modelling approaches...
December 20, 2017: BMC Medical Informatics and Decision Making
https://www.readbyqxmd.com/read/29296080/microbiological-airway-colonization-in-copd-patients-with-severe-emphysema-undergoing-endoscopic-lung-volume-reduction
#12
Franziska C Trudzinski, Frederik Seiler, Heinrike Wilkens, Carlos Metz, Annegret Kamp, Robert Bals, Barbara Gärtner, Philipp M Lepper, Sören L Becker
Background: Endoscopic lung volume reduction (eLVR) is a therapeutic option for selected patients with COPD and severe emphysema. Infectious exacerbations are serious events in these vulnerable patients; hence, prophylactic antibiotics are often prescribed postinterventionally. However, data on the microbiological airway colonization at the time of eLVR are scarce, and there are no evidence-based recommendations regarding a rational antibiotic regimen. Objective: The aim of this study was to perform a clinical and microbiological analysis of COPD patients with advanced emphysema undergoing eLVR with endobronchial valves at a single German University hospital, 2012-2017...
2018: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29289553/advanced-aging-causes-diaphragm-functional-abnormalities-global-proteome-remodeling-and-loss-of-mitochondrial-cysteine-redox-flexibility-in-mice
#13
Rachel C Kelley, Brian McDonagh, Leonardo F Ferreira
AIM: Inspiratory muscle (diaphragm) function declines with age, contributing to exercise intolerance and impaired airway clearance. Studies of diaphragm dysfunction in rodents have focused on moderate aging (~24months); thus, the impact of advanced age on the diaphragm and potential mechanisms of dysfunction are less clear. Therefore, we aimed to define the effects of advanced age on the mechanics, morphology, and global and redox proteome of the diaphragm. METHODS: We studied diaphragm from young (6months) and very old male mice (30months)...
December 28, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/29288649/posterior-airway-changes-following-orthognathic-surgery-in-obstructive-sleep-apnea
#14
REVIEW
Sophia Gottsauner-Wolf, Johannes Laimer, Emanuel Bruckmoser
PURPOSE: The purpose of this systematic review was to describe and compare the different approaches of radiologic posterior airway space (PAS) assessment in obstructive sleep apnea (OSA) and analyze the correlations of PAS changes with polysomnographically evaluated parameters after orthognathic surgery. MATERIALS AND METHODS: For this systematic review, a PubMed query was designed to search for original studies radiographically evaluating the PAS in patients before and after orthognathic surgery for treatment of their OSA...
December 6, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29286994/the-effect-of-midface-advancement-surgery-on-obstructive-sleep-apnoea-in-syndromic-craniosynostosis
#15
Clair Saxby, Kate A Stephenson, Katherine Steele, Sonna Ifeacho, Michelle E Wyatt, Martin Samuels
BACKGROUND: Children with syndromic craniosynostosis frequently suffer from obstructive sleep apnoea (OSA). The aim of the authors' study was to investigate if midface advancement surgery for patients with SC improved the severity of OSA by examining the results of sleep studies before and after surgery. METHODS: A retrospective comparison of the pre and postoperative sleep study data of children undergoing midface advancement surgery at Great Ormond Street Hospital between 2007 and 2016...
January 2018: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/29282053/characterization-of-pediatric-cystic-fibrosis-airway-epithelial-cell-cultures-at-the-air-liquid-interface-obtained-by-non-invasive-nasal-cytology-brush-sampling
#16
Aline Schögler, Fabian Blank, Melanie Brügger, Seraina Beyeler, Stefan A Tschanz, Nicolas Regamey, Carmen Casaulta, Thomas Geiser, Marco P Alves
BACKGROUND: In vitro systems of primary cystic fibrosis (CF) airway epithelial cells are an important tool to study molecular and functional features of the native respiratory epithelium. However, undifferentiated CF airway cell cultures grown under submerged conditions do not appropriately represent the physiological situation. A more advanced CF cell culture system based on airway epithelial cells grown at the air-liquid interface (ALI) recapitulates most of the in vivo-like properties but requires the use of invasive sampling methods...
December 28, 2017: Respiratory Research
https://www.readbyqxmd.com/read/29262260/breaking-the-in-vitro-barrier-in-respiratory-medicine-engineered-microphysiological-systems-for-copd-and-beyond
#17
Kambez H Benam, Melanie Königshoff, Oliver Eickelberg
Chronic obstructive pulmonary disease (COPD) is a leading global health problem; however, our ability to understand the disease pathogenic processes and discover new pharmacotherapies have been significantly hindered due to lack of reliable model systems that are human-derived, physiologically more relevant, and can be applied predictively. Recent advances in microsystems engineering have made it possible to create biomimetic microfluidic cell culture devices, known as 'organs-on-chips'. In this Pulmonary Perspective, we discuss the emergence of 'Lung- and Small Airway-on-a-Chip' technologies and their application to recapitulate critical aspects of human lung pathophysiology, in particular COPD...
December 20, 2017: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29251738/nm23-proteins-innocent-bystanders-or-local-energy-boosters-for-cftr
#18
Richmond Muimo, Hani Mm Alothaid, Anil Mehta
NM23 proteins NDPK-A and -B bind to the cystic fibrosis (CF) protein CFTR in different ways from kinases such as PKA, CK2 and AMPK or linkers to cell calcium such as calmodulin and annexins. NDPK-A (not -B) interacts with CFTR through reciprocal AMPK binding/control, whereas NDPK-B (not -A) binds directly to CFTR. NDPK-B can activate G proteins without ligand-receptor coupling, so perhaps NDPK-B's binding influences energy supply local to a nucleotide-binding site (NBD1) needed for CFTR to function. Curiously, CFTR (ABC-C7) is a member of the ATP-binding cassette (ABC) protein family that does not obey 'clan rules'; CFTR channels anions and is not a pump, regulates disparate processes, is itself regulated by multiple means and is so pleiotropic that it acts as a hub that orchestrates calcium signaling through its consorts such as calmodulin/annexins...
December 18, 2017: Laboratory Investigation; a Journal of Technical Methods and Pathology
https://www.readbyqxmd.com/read/29251708/speed-isn-t-everything-identifying-patients-who-may-benefit-from-helicopter-transport-despite-faster-ground-transport
#19
Xilin Chen, Mark L Gestring, Matthew R Rosengart, Timothy R Billiar, Andrew B Peitzman, Jason L Sperry, Joshua B Brown
BACKGROUND: Helicopter emergency medical services (HEMS) have demonstrated survival benefits over ground emergency medical services (GEMS) for trauma patient transport. While HEMS speed is often-cited, factors such as provider experience and level of care may also play a role. Our objective was to identify patient groups that may benefit from HEMS even when prehospital time for helicopter utilization is longer than GEMS transport. METHODS: Adult patients transported by HEMS or GEMS from the scene of injury in the Pennsylvania State Trauma Registry were included...
December 14, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29246855/technological-strategies-to-estimate-and-control-diffusive-passage-times-through-the-mucus-barrier-in-mucosal-drug-delivery
#20
Jay M Newby, Ian Seim, Martin Lysy, Yun Ling, Justin Huckaby, Samuel K Lai, M Gregory Forest
In mucosal drug delivery, two design goals are desirable: 1) insure drug passage through the mucosal barrier to the epithelium prior to drug removal from the respective organ via mucus clearance; and 2) design carrier particles to achieve a prescribed arrival time and drug uptake schedule at the epithelium. Both goals are achievable if one can control "one-sided" diffusive passage times of drug carrier particles: from deposition at the mucus interface, through the mucosal barrier, to the epithelium. The passage time distribution must be, with high confidence, shorter than the timescales of mucus clearance to maximize drug uptake...
December 12, 2017: Advanced Drug Delivery Reviews
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