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https://www.readbyqxmd.com/read/28636737/is-there-an-association-between-migraine-and-allergic-rhinitis
#1
Işıl Adadan Güvenç, Mustafa Acar, Nuray Bayar Muluk, Nagehan Erdogmus Kucukcan, Cemal Cingi
We conducted a prospective study to evaluate nasal signs and symptoms and to perform allergen-specific immunoglobulin E (IgE) testing to investigate the relationship between migraine and allergic rhinitis. Our study group consisted of 40 patients diagnosed with migraine-22 men and 18 women, aged 21 to 38 years (mean: 25.7). We compared their findings with a control group of 40 healthy adults-15 men and 25 women, aged 19 to 36 years (mean: 25.1). Allergen-specific IgE measurements were obtained with six groups of allergens: fungi, grass pollens, tree pollens, wild herbs, house dust mite 1, and house dust mite 2...
June 2017: Ear, Nose, & Throat Journal
https://www.readbyqxmd.com/read/28631677/-topographical-and-anatomical-localization-of-the-lacrimal-passages-in-the-nasal-cavity
#2
M M Magomedov, D V Andriayshkin, M N Magomedova, D F Zeinalova
The objective of the present work was to study topographical and anatomical relationships between the lacrimal passages and the walls of the nasal cavity from the standpoint of the rhinosurgeon. The materials for the study were obtained by examining 15 corpses. It was found out that in 91% of the cases, the natural ostium of the maxillary sinus is localized within 11.6 cm from the lacrimal tubercle. In 62% of the cases, the nasolacrimal passage opens in the region of the vault of the inferior nasal passage as an orifice roughly 0...
2017: Vestnik Otorinolaringologii
https://www.readbyqxmd.com/read/28631229/do-terrestrial-animals-avoid-areas-close-to-turbines-in-functioning-wind-farms-in-agricultural-landscapes
#3
Rafał Łopucki, Daniel Klich, Sylwia Gielarek
Most studies on the effects of wind energy on animals have focused on avian and bat activity, habitat use, and mortality, whereas very few have been published on terrestrial, non-volant wildlife. In this paper, we studied the utilization of functioning wind farm areas by four terrestrial animals common to agricultural landscapes: European roe deer, European hare, red fox, and the common pheasant. Firstly, we expected that the studied animals do not avoid areas close to turbines and utilize the whole area of functioning wind farms with a frequency similar to the control areas...
July 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28630802/effects-of-a-wind-farm-installation-on-the-understory-bat-community-of-a-highly-biodiverse-tropical-region-in-mexico
#4
Miguel Briones-Salas, Mario C Lavariega, Claudia E Moreno
Wind energy has rapidly become an important alternative among renewable energies, and it is generally considered clean. However, little is known about its impact at the level of ecological communities, especially in biodiversity hotspots. The Isthmus of Tehuantepec is a highly biodiverse region in Mesoamerica, and has the highest potential for generating wind energy in Mexico. To assess the effects of installing a wind farm on the understory bat community in a landscape of fragmented habitat, we assessed its diversity and composition over four stages of installation (site preparation, construction, and two stages of operation)...
2017: PeerJ
https://www.readbyqxmd.com/read/28623043/nasal-airway-evaluation-in-obstructive-sleep-apnoea-patients-volumetric-tomography-and-endoscopic-findings
#5
M M Rodrigues, M F R Gabrielli, O A Garcia Junior, V A Pereira Filho, L A Passeri
Obstructive sleep apnoea (OSA) results from the recurrent collapse of the upper airway during sleep. Nasal abnormalities influence the stability of the pharynx. The aim of this study was to evaluate the volumetric and anatomical changes of the nasal cavity in patients with OSA. The Nasal Obstruction Symptom Evaluation (NOSE) scale was used to grade nasal obstruction. Sleep-related breathing disorders were evaluated by polysomnography. The nasal airway volume was obtained from computed tomography scans through volumetric reconstruction of the nasal airway...
June 13, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28622651/application-of-electroencephalographic-techniques-to-the-study-of-visual-impact-of-renewable-energies
#6
M D Grima Murcia, Francisco Sánchez Ferrer, Jennifer Sorinas, J M Ferrandez, Eduardo Fernandez
Much is currently being studied on the negative visual impact associated to the installation of large wind turbines or photovoltaic farms. However, methodologies for quantitatively assessing landscape impact are scarce. In this work we used electroencephalographic (EEG) recordings to investigate the brain activity of 14 human volunteers when looking at the same landscapes with and without wind turbines, solar panels and nuclear power plants. Our results showed no significant differences for landscapes with solar power systems or without them, and the same happened for wind turbines, what was in agreement with their subjective scores...
June 13, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28616184/reindeer-habitat-use-in-relation-to-two-small-wind-farms-during-preconstruction-construction-and-operation
#7
Anna Skarin, Moudud Alam
Worldwide there is a rush toward wind power development and its associated infrastructure. In Fennoscandia, large-scale wind farms comprising several hundred windmills are currently built in important grazing ranges used for Sámi reindeer husbandry. In this study, reindeer habitat use was assessed using reindeer fecal pellet group counts in relation to two relatively small wind farms, with 8 and 10 turbines, respectively. In 2009, 1,315 15-m(2) plots were established and pellet groups were counted and cleaned from the plots...
June 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28615723/core-multishell-globular-oxidation-in-a-new-tialnbcr-alloy-at-high-temperatures
#8
S Q Tang, S J Qu, A H Feng, C Feng, J Shen, D L Chen
Oxidation resistance is one of key properties of titanium aluminide (TiAl) based alloys for high-temperature applications such as in advanced aero-engines and gas turbines. A new TiAlNbCr alloy with micro-addition of yttrium has been developed, but its oxidation behavior is unknown. To provide some fundamental insights, high-temperature oxidation characteristics of this alloy are examined via scanning electron microscopy, transmission electron microscopy, electron probe microanalysis, and X-ray diffraction...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28615628/glucocorticoids-ameliorate-tgf-%C3%AE-1-mediated-epithelial-to-mesenchymal-transition-of-airway-epithelium-through-mapk-and-snail-slug-signaling-pathways
#9
Hyun-Woo Yang, Seoung-Ae Lee, Jae-Min Shin, Il-Ho Park, Heung-Man Lee
Chronic rhinosinusitis with nasal polyps (CRSwNP) is closely associated with tissue remodeling. Epithelial-to-mesenchymal transition (EMT), a process of tissue remodeling, can be a therapeutic target of CRSwNP. Glucocorticoids are a type of steroid hormone that is used primarily in medical therapy for patients with CRSwNP; however, their effects on EMT in the airway epithelium remain unknown. To investigate the effects of dexamethasone and fluticasone propionate, a class of glucocorticoids, on transforming growth factor-β1 (TGF-β1) -induced EMT, we used A549 cells, human primary nasal epithelial cells (hPNECs) and ex vivo organ culture of the inferior turbinate...
June 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28608764/radioanatomic-study-of-the-greater-palatine-canal-relevant-to-endoscopic-endonasal-surgical-landmarks
#10
Noel Ayoub, Andrew Thamboo, Peter H Hwang, Evan S Walgama
Objective A radioanatomic study of surgically relevant variations in the greater palatine canal (GPC) on computed tomography (CT) was performed to determine susceptibility during endoscopic endonasal procedures. Study Design Blinded radioanatomic analysis. Setting Tertiary university hospital. Subjects and Methods Fifty consecutive paranasal CT scans (100 sides) were analyzed. Measurements were standardized to landmarks such as the inferior turbinate (IT) and floor of the nasal cavity (FNC) to assess variability and vulnerability of the nerve...
June 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28608749/polypoid-change-of-the-middle-turbinate-and-paranasal-sinus-polyposis-are-distinct-entities
#11
Jacob P Brunner, Basit A Jawad, Edward D McCoul
Objectives Polypoid change of the middle turbinate (PCMT) is a finding on intranasal examination whose significance is not well understood. We present a comparison of the clinical characteristics of PCMT with paranasal sinus polyposis (PSP), a common condition with potentially similar appearance. Study Design Parallel case series. Setting Tertiary rhinology clinic. Subjects and Methods Data were prospectively compiled from consecutive patients during a 12-month period with either PSP arising from the middle meatus or PCMT limited to the middle turbinate as identified on nasal endoscopy...
June 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28602068/radiographic-changes-of-the-nasal-septal-body-among-patients-with-sinonasal-diseases
#12
January E Gelera, Devendra Ojar, Jae Hyun Lim, Jee Hye Wee, Jeong-Whun Kim, Chae-Seo Rhee
Objectives: This study aims to determine the anatomical changes occurring in the nasal septal body (NSB) among patients with sinonasal disease and compares the measurements obtained from patients without sinonasal disease. Methods: This was a retrospective study involving review of 405 (93 without and 212 with sinonasal disease) plain paranasal sinus computed tomography (PNS CT) on coronal view at a tertiary training hospital, which was done consecutively from January 2014 to December 2015...
June 6, 2017: Clinical and Experimental Otorhinolaryngology
https://www.readbyqxmd.com/read/28601579/screw-pyrolysis-technology-for-sewage-sludge-treatment
#13
Marco Tomasi Morgano, Hans Leibold, Frank Richter, Dieter Stapf, Helmut Seifert
Sewage sludge quantities have grown continuously since the introduction of the European Directive (UWWTD 91/271/EEC) relating to the treatment of urban wastewater. In the present, most of the sewage sludge is combusted in single fuels incineration plants or is co-fired in waste incineration or coal power plants. The combustion of sewage sludge is a proven technology. Other treatments, such as fluidized bed gasification, were successfully adopted to produce suitable syngas for power production. Besides, the number of large wastewater treatment plants is relatively small compared to the local rural ones...
June 7, 2017: Waste Management
https://www.readbyqxmd.com/read/28599799/dry-syngas-purification-process-for-coal-gas-produced-in-oxy-fuel-type-integrated-gasification-combined-cycle-power-generation-with-carbon-dioxide-capturing-feature
#14
Makoto Kobayashi, Hiroyuki Akiho
Electricity production from coal fuel with minimizing efficiency penalty for the carbon dioxide abatement will bring us sustainable and compatible energy utilization. One of the promising options is oxy-fuel type Integrated Gasification Combined Cycle (oxy-fuel IGCC) power generation that is estimated to achieve thermal efficiency of 44% at lower heating value (LHV) base and provide compressed carbon dioxide (CO2) with concentration of 93 vol%. The proper operation of the plant is established by introducing dry syngas cleaning processes to control halide and sulfur compounds satisfying tolerate contaminants level of gas turbine...
June 6, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28596821/turbine-blade-illusion
#15
George Mather, Rob Lee
In January 2017, a large wind turbine blade was installed temporarily in a city square as a public artwork. At first sight, media photographs of the installation appeared to be fakes - the blade looks like it could not really be part of the scene. Close inspection of the object shows that its paradoxical visual appearance can be attributed to unconscious assumptions about object shape and light source direction.
May 2017: I-Perception
https://www.readbyqxmd.com/read/28590975/-a-safe-and-inexpensive-technique-for-turbinate-cauterization-surgery
#16
Ina Zaimi, Fulvio Di Fulvio, Alessandro Borgognone, Giulio Gherardini
No abstract text is available yet for this article.
June 5, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28585128/expression-of-il-17-and-syndecan-1-in-nasal-polyps-and-their-correlation-with-nasal-polyps
#17
Guo-Qing Gong, Fang-Fang Ren, Yan-Jun Wang, Lang Wan, Shan Chen, Jie Yuan, Chuan-Mei Yang, Bang-Hua Liu, Wei-Jia Kong
Nasal polyp (NP) is a common chronic inflammatory disease of the nasal cavity and sinuses. Although some authors have suggested that NP is related to inflammatory factors such as interleukin (IL)-1β, IL-5, IL-8, granulocyte-macrophage colony-stimulating factor (GM-CSF), tumor necrosis factor (TNF)-α, and IL-17, the mechanisms underlying the pathogenesis and progression of NP remain obscure. This study investigated the expression and distribution of IL-17 and syndecan-1 in NP, and explored the roles of these two molecules in the pathogenesis of eosinophilic chronic rhinosinusitis with nasal polyps (Eos CRSwNP) and non-Eos CRSwNP...
June 2017: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/28583512/comprehensive-management-of-congenital-choanal-atresia
#18
Pierre Brihaye, Isabelle Delpierre, Andrée De Villé, Anne-Britt Johansson, Dominique Biarent, Anne-Laure Mansbach
OBJECTIVES: To present results of a one-stage minimally invasive surgical procedure for congenital choanal atresia (CCA). Seven outcome measures were applied. MATERIALS AND METHODS: Retrospective study conducted between 1999 and 2015. The same endonasal endoscopic approach with multiflaps and no stenting was used on 36 children. The flaps were attached with fibrine glue. There were 50% unilateral and 50% bilateral cases, 70% primary and 30% secondary surgery. The mean age at primary surgery for bilateral atresia was 10 days and for unilateral atresia 4 years...
July 2017: International Journal of Pediatric Otorhinolaryngology
https://www.readbyqxmd.com/read/28583229/landmarks-for-rapid-localization-of-the-sphenopalatine-foramen-a-radiographic-morphometric-analysis
#19
Anne K Maxwell, Henry P Barham, Anne E Getz, Todd T Kingdom, Vijay R Ramakrishnan
BACKGROUND: Transnasal endoscopic sphenopalatine artery ligation is becoming the procedure of choice for surgical management of intractable posterior epistaxis. Landmarks for localization of the sphenopalatine foramen can assist in rapid surgical exposure of the sphenopalatine artery. OBJECTIVE: This study examined distances from easily identified endoscopic surgical landmarks to the sphenopalatine foramen. METHODS: By using computed tomography of the sinus to study radiologic anatomy in 50 adults, distances were measured between five simple endoscopic landmarks and the sphenopalatine foramen...
June 1, 2017: Allergy & Rhinology
https://www.readbyqxmd.com/read/28579937/development-of-a-method-for-reliable-power-input-measurements-in-conventional-and-single-use-stirred-bioreactors-at-laboratory-scale
#20
Stephan C Kaiser, Sören Werner, Valentin Jossen, Matthias Kraume, Dieter Eibl
Power input is an important engineering and scale-up/down criterion in stirred bioreactors. However, reliably measuring power input in laboratory-scale systems is still challenging. Even though torque measurements have proven to be suitable in pilot scale systems, sensor accuracy, resolution, and errors from relatively high levels of friction inside bearings can become limiting factors at smaller scales. An experimental setup for power input measurements was developed in this study by focusing on stainless steel and single-use bioreactors in the single-digit volume range...
May 2017: Engineering in Life Sciences
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