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https://www.readbyqxmd.com/read/28222466/cromolyn-sodium-attenuates-paraquat-induced-lung-injury-by-modulation-of-proinflammatory-cytokines
#1
Amir Larki Harchegani, Ali Asghar Hemmati, Amir Nili-Ahmadabadi, Borhan Darabi, Somayeh Shabib
The current study aimed to investigate the effects of Cromolyn Sodium (CS) on proinflammatory cytokines in Paraquat (PQ)-induced lung damage in rat. Animals were randomly divided into 5 groups. Group 1 and 2 received nebulized vehicle and CS (8 mg/kg) for 3 consecutive weeks, respectively. Group 3 was treated with single oral dose of PQ (40 mg/kg). Groups 4 and 5 were PQ groups which received nebulized CS (6 and 8 mg/kg/day, respectively) from 1 week before to 2 weeks after PQ administration. Finally, the animals were scarified and the changes of hydroxyproline (HP) and histology were evaluated in lung tissue...
February 21, 2017: Drug Research
https://www.readbyqxmd.com/read/28217046/effect-of-nebulized-budesonide-on-respiratory-mechanics-and-oxygenation-in-acute-lung-injury-acute-respiratory-distress-syndrome-randomized-controlled-study
#2
Hatem Saber Mohamed, Mona Mohamed Abdel Meguid
BACKGROUND: We tested the hypothesis that nebulized budesonide would improve lung mechanics and oxygenation in patients with early acute lung injury (ALI) and/or acute respiratory distress syndrome (ARDS) during protective mechanical ventilation strategy without adversely affecting systemic hemodynamics. METHODS: Patients with ALI/ARDS were included and assigned into two groups; budesonide group (30 cases) in whom 1 mg-2 ml budesonide suspension was nebulized through the endotracheal tube and control group (30 cases) in whom 2 ml saline (placebo) were nebulized instead of budesonide...
January 2017: Saudi Journal of Anaesthesia
https://www.readbyqxmd.com/read/28216886/obtaining-a-dry-extract-from-the-mikania-laevigata-leaves-with-potential-for-antiulcer-activity
#3
Mariana Viana Pinto, Ezequiane Machado Oliveira, Jose Luiz Rodrigues Martins, Jose Realino de Paula, Elson Alves Costa, Edemilson Cardoso da Conceição, Maria Teresa Freitas Bara
BACKGROUND: Mikania laevigata leaves are commonly used in Brazil as a medicinal plant. OBJECTIVE: To obtain hydroalcoholic dried extract by nebulization and evaluate its antiulcerogenic potential. MATERIALS AND METHODS: Plant material and hydroalcoholic extract were processed and analyzed for their physicochemical characteristics. A method using HPLC was validated to quantify coumarin and o-coumaric acid. Hydroalcoholic extract was spray dried and the powder obtained was characterized in terms of its physicochemical parameters and potential for antiulcerogenic activity...
January 2017: Pharmacognosy Magazine
https://www.readbyqxmd.com/read/28211836/workplace-violence-and-the-meaning-of-work-in-healthcare-workers-a-phenomenological-study
#4
Josianne Lamothe, Stephane Guay
BACKGROUND: Workplace violence (WPV) has been associated with turnover intentions and reduced job satisfaction, yet the mechanisms behind such associations are still nebulous. Studying the way people make sense of their work in the context of WPV could lead to a better understanding of its consequences. PURPOSE: The objective of this exploratory study is to identify key features of meaning of work (MOW) in a group of healthcare workers and explain how these features can change following an act of WPV...
February 17, 2017: Work: a Journal of Prevention, Assessment, and Rehabilitation
https://www.readbyqxmd.com/read/28203110/variability-in-delivered-dose-and-respirable-delivered-dose-from-nebulizers-are-current-regulatory-testing-guidelines-sufficient-to-produce-meaningful-information
#5
Ross Hm Hatley, Sarah M Byrne
BACKGROUND: To improve convenience to patients, there have been advances in the operation of nebulizers, resulting in fast treatment times and less drug lost to the environment. However, limited attention has been paid to the effects of these developments on the delivered dose (DD) and respirable delivered dose (RDD). Published pharmacopoeia and ISO testing guidelines for adult-use testing utilize a single breathing pattern, which may not be sufficient to enable effective comparisons between the devices...
2017: Medical Devices: Evidence and Research
https://www.readbyqxmd.com/read/28202249/mutual-expectations-of-mothers-of-hospitalized-children-and-pediatric-nurses-who-provided-care-qualitative-study
#6
Dilek Konuk Şener, Aysel Karaca
PURPOSE: This study attempted to identify the mutual expectations of mothers whose children were hospitalized in the pediatric department of a university hospital and nurses who provided care. DESIGN AND METHODS: A descriptive phenomenological design has been used in this study. Data were obtained through tape-recorded semi-structured interviews. This study was conducted at a pediatric clinic, at a university hospital in a small city in Turkey. Participants comprised five nurses working in the children's clinic and 24 mothers who accompanied their children to the hospital...
February 12, 2017: Journal of Pediatric Nursing
https://www.readbyqxmd.com/read/28194676/determination-of-glyphosate-in-surface-water-with-high-organic-matter-content
#7
Vahur Toss, Ivo Leito, Sergei Yurchenko, Rene Freiberg, Anneli Kruve
In this paper, we investigate the sample preparation and analysis process in order to achieve adequate results for surface water collected from rivers that flow through swamps and are consequently rich in organic matter. We show that matrix effects in glyphosate determination can be reduced by optimizing sample volume, liquid chromatography (LC) mobile phase buffer concentration and pH as well as gradient speed. Also, aspects of derivatization procedure (borate buffer concentration, fluorenylmethyloxycarbonyl chloride concentration) and their influence on accuracy are considered in detail...
February 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28193001/coalescence-sampling-and-analysis-of-aerosols-using-aerosol-optical-tweezers
#8
Allen E Haddrell, Rachael E H Miles, Bryan R Bzdek, Jonathan P Reid, Rebecca J Hopkins, Jim S Walker
We present a first exploratory study to assess the use of aerosol optical tweezers as an instrument for sampling and detecting accumulation- and coarse-mode aerosol. A subpicoliter aqueous aerosol droplet is captured in the optical trap and used as a sampling volume, accreting mass from a free-flowing aerosol generated by a medical nebulizer or atomizer. Real-time measurements of the initial stability in size, refractive index, and composition of the sampling droplet inferred from Raman spectroscopy confirm that these quantities can be measured with high accuracy and low noise...
February 9, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28188248/the-pivotal-role-of-cxcr7-in-stabilization-of-the-pulmonary-epithelial-barrier-in-acute-pulmonary-inflammation
#9
Kristian-Christos Ngamsri, Anika Müller, Hans Bösmüller, Jutta Gamper-Tsigaras, Jörg Reutershan, Franziska M Konrad
Acute pulmonary inflammation is still a frightening complication in intensive care units and has a high mortality. Specific treatment is not available, and many details of the pathomechanism remain unclear. The recently discovered chemokine receptor CXCR7 and its ligand stromal cell-derived factor (SDF)-1 are known to be involved in inflammation. We chose to investigate the detailed role of CXCR7 in a murine model of LPS inhalation. Inflammation increased pulmonary expression of CXCR7, and the receptor was predominantly expressed on pulmonary epithelium and on polymorphonuclear neutrophil (PMNs) after transepithelial migration into the alveolar space...
February 10, 2017: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/28188225/inflammation-induced-caveolin-1-and-bmprii-depletion-promotes-endothelial-dysfunction-and-tgf%C3%AE-driven-pulmonary-vascular-remodeling
#10
Suellen Darc Santos Oliveira, Maricela Castellon, Jiwang Chen, Marcelo G Bonini, Xiaowu Gu, Michael H Elliott, Roberto F Machado, Richard D Minshall
Endothelial cell (EC) activation and vascular injury are hallmark features of Acute Lung Injury and Acute Respiratory Distress Syndrome (ALI/ARDS). Caveolin-1 (Cav-1) is highly expressed in pulmonary microvascular ECs and plays a key role in maintaining vascular homeostasis. The aim of this study was to determine whether the lung inflammatory response to Escherichia coli lipopolysaccharide (LPS) promotes priming of ECs via Cav-1 depletion and whether this contributes to the onset of pulmonary vascular remodeling...
February 10, 2017: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/28186982/avidinox-anchored-biotinylated-trastuzumab-and-pertuzumab-induce-down-modulation-of-erbb2-and-tumor-cell-death-at-concentrations-order-of-magnitude-lower-than-not-anchored-antibodies
#11
Ferdinando Maria Milazzo, Anna Maria Anastasi, Caterina Chiapparino, Antonio Rosi, Barbara Leoni, Loredana Vesci, Fiorella Petronzelli, Rita De Santis
The oxidized version of Avidin, known as AvidinOX, was previously shown to link to tissue proteins upon injection or nebulization, thus becoming a stable receptor for biotinylated therapeutics. AvidinOX is currently under clinical investigation to target radioactive biotin to inoperable tumor lesions (ClinicalTrials.gov NCT02053324). Presently, we show that the anti-ErbB2 monoclonal antibodies Trastuzumab and Pertuzumab can be chemically biotinylated while maintaining their biochemical and biological properties...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28185668/effect-of-nebulized-budesonide-on-decreasing-the-recurrence-of-allergic-fungal-rhinosinusitis
#12
Qi Dai, Chen Duan, Quan Liu, Hongmeng Yu
OBJECTIVE: The aim of this study was to evaluate the clinical efficacy and the effects on decreasing the recurrence of AFRS (allergic fungal rhinosinusitis) of a budesonide inhalation suspension delivered via transnasal nebulization to patients following endoscopic sinus surgery. SUBJECTS AND METHODS: Thirty-five patients were recruited into this study. Final diagnoses were reached using Bent and Kuhn's criteria. The eligible patients were randomly divided into two groups: the budesonide transnasal nebulization group (group A) and the topical nasal steroids group (group B)...
February 1, 2017: American Journal of Otolaryngology
https://www.readbyqxmd.com/read/28178968/imatinib-relaxes-the-pulmonary-venous-bed-of-guinea-pigs
#13
Nina A Maihöfer, Said Suleiman, Daniela Dreymüller, Paul W Manley, Rolf Rossaint, Stefan Uhlig, Christian Martin, Annette D Rieg
BACKGROUND: Recently, the IMPRES study revealed that systemic imatinib improves exercise capacity in patients with advanced pulmonary arterial hypertension. Imatinib blocks the tyrosine kinase activity of the platelet-derived growth factor (PDGF)-receptor (PDGFR), acts antiproliferative and relaxes pulmonary arteries. However so far, the relaxant effects of imatinib on pulmonary veins (PVs) and on the postcapillary resistance are unknown, although pulmonary hypertension (PH) due to left heart disease (LHD) is most common and primarily affects PVs...
February 8, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28177175/complex-adaptive-systems-and-their-relevance-for-nursing-an-evolutionary-concept-analysis
#14
Ippolito Notarnicola, Cristina Petrucci, Maria Rosimar De Jesus Barbosa, Fabio Giorgi, Alessandro Stievano, Gennaro Rocco, Loreto Lancia
This study aimed to analyze the concept of "complex adaptive systems." The construct is still nebulous in the literature, and a further explanation of the idea is needed to have a shared knowledge of it. A concept analysis was conducted utilizing Rodgers evolutionary method. The inclusive years of bibliographic search started from 2005 to 2015. The search was conducted at PubMed©, CINAHL© 2017 John Wiley & Sons Australia, Ltd Nursing is a complex adaptive system, and the nursing profession in practice exhibits complex adaptive system characteristics...
February 8, 2017: International Journal of Nursing Practice
https://www.readbyqxmd.com/read/28169982/effect-of-an-asthma-guideline-in-2-pediatric-emergency-departments-and-an-urgent-care-center
#15
Jennifer J Dilts, Sharon G Humiston, Brian R Lee, Nancy H Allen, Jeffrey G Michael
OBJECTIVES: The objective of this study was to evaluate ordering of albuterol via metered-dose inhaler with spacer (MDI-spacer), length of stay (LOS), and 72-hour return rates before and after publication of an internally developed pediatric asthma clinical practice guideline (CPG). METHODS: The internally developed CPG reflected national recommendations. It was explained at faculty meetings by a respected clinician and published on the intranet on February 6, 2012...
February 4, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28168569/bilateral-acute-angle-closure-developing-due-to-use-of-ipratropium-bromide-and-salbutamol
#16
Mehmet Kola, Dilek Hacıoğlu, Hidayet Erdöl, Adem Türk
Acute angle closure can be seen as a side effect of some medications that can be used systemically. In this article, clinical characteristics of 54-year-old female patient who applied to our clinic with bilateral acute angle closure and has been received nebulized form of salbutamol and ipratropium bromide due to asthma for 4 days was evaluated. Right and left eye IOP were measured as 50 and 48 mmHg. IOP was reduced with anti-glaucomatous treatment. and peripheral iridectomy was done, and then the patient was discharged...
February 6, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28167007/sinuclean-nebules-treatment-in-children-suffering-from-otitis-media-with-effusion
#17
A Varricchio, A De Lucia, A M Varricchio, A Della Volpe, N Mansi, V Pastore, G Ciprandi
OBJECTIVE: Otitis media with effusion (OME) is an ear disorder defined by the presence of fluid in the middle ear without signs or symptoms of acute infection. The current randomized, double-blind, controlled study aimed to evaluate whether Sinuclean Nebules treatment, administered by nasal douche (Rinowash), could induce ear healing better than isotonic saline in children with OME. METHODS: The study was randomized, double-blind, and controlled. Group A (30 children) was treated with Sinuclean Nebules 45 and Group B (31 children) was treated with isotonic saline; both compounds were administered by nasal nebulization with Rinowash nasal douche twice/day in the morning and in the evening for 10 days, followed by a one-week suspension, and after by a second course as the first...
March 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28166240/involvement-of-multiple-stressors-induced-by-non-thermal-plasma-charged-aerosols-during-inactivation-of-airborne-bacteria
#18
Nachiket D Vaze, Sin Park, Ari D Brooks, Alexander Fridman, Suresh G Joshi
A lab-scale, tunable, single-filament, point-to-point nonthermal dieletric-barrier discharge (DBD) plasma device was built to study the mechanisms of inactivation of aerosolized bacterial pathogens. The system inactivates airborne antibiotic-resistant pathogens efficiently. Nebulization mediated pre-optimized (4 log and 7 log) bacterial loads were challenged to plasma-charged aerosols, and lethal and sublethal doses determined using colony assay, and cell viability assay; and the loss of membrane potential and cellular respiration were determined using cell membrane potential assay and XTT assay...
2017: PloS One
https://www.readbyqxmd.com/read/28163937/a-narrowing-diagnosis-a-rare-cause-of-adult-croup-and-literature-review
#19
Jayshil J Patel, Emily Kitchin, Kurt Pfeifer
Croup or laryngotracheitis is rare in adults. We present a case of an otherwise healthy young woman that presented in the winter with 3 days of increasing dyspnea, cough, and fever. She was hemodynamically stable but was found to have a barking cough, paradoxical abdominal breathing, and stridor. Chest radiograph revealed subglottic narrowing. Respiratory viral nucleic acid amplification testing was positive for respiratory syncytial virus. The patient was treated with nebulized epinephrine, dexamethasone, and a helium-oxygen mixture...
2017: Case Reports in Critical Care
https://www.readbyqxmd.com/read/28163029/airway-hyperresponsiveness-in-asthma-measurement-and-clinical-relevance
#20
REVIEW
Parameswaran Nair, James G Martin, Donald C Cockcroft, Myrna Dolovich, Catherine Lemiere, Louis-Philippe Boulet, Paul M O'Byrne
Airway hyperresponsiveness is a characteristic feature of asthma, and its measurement is an important tool in its diagnosis. With a few caveats, methacholine bronchial provocation by a 2-minute tidal breathing method is highly sensitive; a negative test result (PC20 > 16 mg/mL, PD20 > 400 μg) rules out current asthma with reasonable certainty. A PC20 value of less than 1 mg/mL/PD20 value of less than 25 μg is highly specific (ie, diagnostic) but quite insensitive for asthma. For accurate interpretation of the test results, it is important to control and standardize technical factors that have an impact on nebulizer performance...
February 2, 2017: Journal of Allergy and Clinical Immunology in Practice
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