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https://www.readbyqxmd.com/read/29216475/long-face-dentofacial-deformities-occlusion-and-facial-esthetic-surgical-outcomes
#1
Jeffrey C Posnick, Samuel Liu, Timothy J Tremont
PURPOSE: The purpose of this study was to document malocclusion and facial dysmorphology in a series of patients with long face (LF) and chronic obstructive nasal breathing before treatment and the outcomes after bimaxillary orthognathic, osseous genioplasty, and intranasal surgery. MATERIALS AND METHODS: A retrospective cohort study of patients with LF undergoing bimaxillary, chin, and intranasal (septoplasty and inferior turbinate reduction) surgery was implemented...
December 4, 2017: Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29211287/comparative-study-between-laser-and-conventional-techniques-for-class-v-cavity-preparation-in-gamma-irradiated-teeth-in-vitro-study
#2
Amr H M Rasmy, Tarek A Harhash, Rami M S Ghali, Eman M F El Maghraby, Dalia H El Rouby
OBJECTIVE: The purpose of this study was to compare laser with conventional techniques in class V cavity preparation in gamma-irradiated teeth. METHODS: Forty extracted human teeth with no carious lesions were used for this study and were divided into two main groups: Group I (n = 20) was not subjected to gamma radiation (control) and Group II (n=20) was subjected to gamma radiation of 60 Gray. Standard class V preparation was performed in buccal and lingual sides of each tooth in both groups...
November 2017: Journal of Applied Oral Science: Revista FOB
https://www.readbyqxmd.com/read/29209151/endoscopic-repair-of-lateral-sphenoid-encephaloceles-a-case-series
#3
Mitchell R Gore
Background: Lateral sphenoid encephaloceles present a surgical challenge. These encephaloceles may be difficult to access given their lateral location and proximity to the neural and vascular structures of the sphenoid floor, pterygopalatine fossa, and lateral and superior sphenoid walls. Additionally, many patients have idiopathic intracranial hypertension, increasing the risk of recurrence. When untreated or undiscovered, these encephaloceles increase the risk of meningitis. Methods: All consecutive endoscopic repairs of lateral sphenoid encephaloceles by a single surgeon from 2012 to 2017 were analyzed for method of repair, complications, and recurrence rate...
2017: BMC Ear, Nose, and Throat Disorders
https://www.readbyqxmd.com/read/29204922/usefulness-of-our-proposed-olfactory-scoring-system-during-endoscopic-sinus-surgery-in-patients-with-chronic-rhinosinusitis
#4
Ken Okazaki, Kenzo Tsuzuki, Kengo Hashimoto, Hiroki Nishikawa, Hironori Takebayashi, Hideki Oka, Yusuke Kojima, Yoriko Yukitatsu, Yasuo Mishiro, Masafumi Sakagami
INTRODUCTION: The primary aim of the current study was to examine the usefulness of our proposed olfactory scoring system in chronic rhinosinusitis (CRS) patients with olfactory disorders (n = 213) receiving endoscopic sinus surgery (ESS). MATERIALS AND METHODS: Analyzed patients were divided into two groups: an eosinophilic CRS (ECRS) group (n = 153); and a non-ECRS group (n = 60). The T&T recognition threshold test was used to evaluate olfaction at baseline and at 3 and 12 months after ESS...
December 4, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29204589/hyoid-myotomy-and-suspension-without-simultaneous-palate-or-tongue-base-surgery%C3%A2-for-obstructive-sleep-apnea
#5
Adrian A Ong, Jonathan Buttram, Shaun A Nguyen, Dustin Platter, Michael R Abidin, M Boyd Gillespie
Objective: Determine the effects of hyoid myotomy and suspension (HMS) without concurrent palatal or tongue base sleep surgery for obstructive sleep apnea (OSA). Method: Patients with OSA treated with HMS were identified using CPT code (21685) at an academic and private sleep surgery clinic. Those who underwent concurrent palatal or tongue base sleep surgery were excluded. Outcomes included simultaneous procedures, apnea-hypopnea index (AHI), lowest oxyhemoglobin saturation (LSAT), and Epworth Sleepiness Scale (ESS)...
June 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29204588/radiofrequency-ablation-of-the-lateral-palatal-space-for-snoring
#6
B Tucker Woodson, Kent S Tadokoro, Stuart G MacKay
Objective: Pilot study to examine the effect of radiofrequency ablation (RFA) of the lateral palatal fat pad in patients with socially-disruptive snoring. Method: Snoring outcomes and complications were compared between a group of patients with treated with RFA ablation of the lateral soft palate fat pad with or without inferior turbinate reduction (8 patients) and another group undergoing inferior turbinate reduction alone (12 patients). Results: Snoring loudness and bothersomeness improved in the palate but not inferior turbinate group...
June 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29204578/nasal-septum-suture-combined-with-inferior-turbinate-coblation-after-septoplasty-does-it-improve-quality-of-life-and-reduce-complications
#7
Hui Li, Min Wang, Yu-Xiao Wu, Szuchi Wang, Zhi-Min Xing
Objective: Nasal packing is routinely applied after septoplasty. Patients, however, report feeling very uncomfortable while the packing is in place. The aim of this study was to compare the effects of nasal septum suture combined with inferior turbinate coblation to the effects of nasal packing after septoplasty. Methods: In this study, 135 patients undergoing septoplasty were divided into 3 groups: group 1 patients had microdebrider with packing, group 2 received coblation with packing and group 3 had coblation with suture...
March 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29204576/comparison-of-3%C3%A2-mm-versus-4%C3%A2-mm-rigid-endoscope-in-diagnostic-nasal-endoscopy
#8
Gregory S Neel, Ryan L Kau, Stephen F Bansberg, Devyani Lal
Objective: Compare nasal endoscopy with 3 mm versus conventional 4 mm rigid 30° endoscopes for visualization, patient comfort, and examiner ease. Methods: Ten adults with no previous sinus surgery underwent bilateral nasal endoscopy with both 4 mm and 3 mm endoscopes (resulting in 20 paired nasal endoscopies). Visualization, patient discomfort and examiner's difficulty were assessed with every endoscopy. Sino-nasal structures were checked on a list if visualized satisfactorily...
March 2017: World Journal of Otorhinolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/29202698/safety-and-applicability-of-a-pre-stage-public-access-ventilator-for-trained-laypersons-a-proof-of-principle-study
#9
Patricia Fuchs, Juliane Obermeier, Svend Kamysek, Martin Degner, Hannes Nierath, Henning Jürß, Hartmut Ewald, Jens Schwarz, Martin Becker, Jochen K Schubert
BACKGROUND: Contemporary resuscitation guidelines for basic life support recommend an immediate onset of cardiac compressions in case of cardiac arrest followed by rescue breaths. Effective ventilation is often omitted due to fear of doing harm and fear of infectious diseases. In order to improve ventilation a pre-stage of an automatic respirator was developed for use by laypersons. METHODS: Fifty-two healthy volunteers were ventilated by means of a prototype respirator via a full-face mask in a pilot study...
December 4, 2017: BMC Emergency Medicine
https://www.readbyqxmd.com/read/29197810/an-assessment-on-the-environmental-contamination-caused-by-the-fukushima-accident
#10
Jin Ho Song
The radiological releases from the damaged fuel to the atmosphere and into the cooling water in the Fukushima Daiich Nuclear Power Plant (FDNPP) accident are investigated. Atmospheric releases to the land and ocean mostly occurred during the first week after the accident whereas continuous release from the damaged fuel into the cooling water resulted in an accumulation of contaminated water in the plant during last six years. An evaluation of measurement data and analytical model for the release of radionuclides indicated that atmospheric releases were mainly governed by the volatility of the radionuclides...
November 30, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29195435/consistent-modelling-of-wind-turbine-noise-propagation-from-source-to-receiver
#11
Emre Barlas, Wei Jun Zhu, Wen Zhong Shen, Kaya O Dag, Patrick Moriarty
The unsteady nature of wind turbine noise is a major reason for annoyance. The variation of far-field sound pressure levels is not only caused by the continuous change in wind turbine noise source levels but also by the unsteady flow field and the ground characteristics between the turbine and receiver. To take these phenomena into account, a consistent numerical technique that models the sound propagation from the source to receiver is developed. Large eddy simulation with an actuator line technique is employed for the flow modelling and the corresponding flow fields are used to simulate sound generation and propagation...
November 2017: Journal of the Acoustical Society of America
https://www.readbyqxmd.com/read/29195168/stochastic-optimal-generation-bid-to-electricity-markets-with-emissions-risk-constraints
#12
F-Javier Heredia, Julián Cifuentes-Rubiano, Cristina Corchero
There are many factors that influence the day-ahead market bidding strategies of a generation company (GenCo) within the framework of the current energy market. Environmental policy issues are giving rise to emission limitation that are becoming more and more important for fossil-fueled power plants, and these must be considered in their management. This work investigates the influence of the emissions reduction plan and the incorporation of the medium-term derivative commitments in the optimal generation bidding strategy for the day-ahead electricity market...
November 28, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/29194384/pca-based-stress-monitoring-of-cylindrical-specimens-using-pzts-and-guided-waves
#13
Jabid Quiroga, Luis Mujica, Rodolfo Villamizar, Magda Ruiz, Johanatan Camacho
Since mechanical stress in structures affects issues such as strength, expected operational life and dimensional stability, a continuous stress monitoring scheme is necessary for a complete integrity assessment. Consequently, this paper proposes a stress monitoring scheme for cylindrical specimens, which are widely used in structures such as pipelines, wind turbines or bridges. The approach consists of tracking guided wave variations due to load changes, by comparing wave statistical patterns via Principal Component Analysis (PCA)...
December 1, 2017: Sensors
https://www.readbyqxmd.com/read/29186183/a-tool-for-simulating-collision-probabilities-of-animals-with-marine-renewable-energy-devices
#14
Pál Schmitt, Ross Culloch, Lilian Lieber, Sverker Molander, Linus Hammar, Louise Kregting
The mathematical problem of establishing a collision probability distribution is often not trivial. The shape and motion of the animal as well as of the the device must be evaluated in a four-dimensional space (3D motion over time). Earlier work on wind and tidal turbines was limited to a simplified two-dimensional representation, which cannot be applied to many new structures. We present a numerical algorithm to obtain such probability distributions using transient, three-dimensional numerical simulations...
2017: PloS One
https://www.readbyqxmd.com/read/29182682/inferior-immunogenicity-and-efficacy-of-respiratory-syncytial-virus-fusion-protein-based-subunit-vaccine-candidates-in-aged-versus-young-mice
#15
Corinne Cayatte, Angie Snell Bennett, Gaurav Manohar Rajani, Leigh Hostetler, Sean K Maynard, Michelle Lazzaro, Patrick McTamney, Kuishu Ren, Terrence O'Day, Michael P McCarthy, Kirsten Schneider-Ohrum
Respiratory syncytial virus (RSV) is recognized as an important cause of lower and upper respiratory tract infections in older adults, and a successful vaccine would substantially lower morbidity and mortality in this age group. Recently, two vaccine candidates based on soluble purified glycoprotein F (RSV F), either alone or adjuvanted with glucopyranosyl lipid A formulated in a stable emulsion (GLA-SE), failed to reach their primary endpoints in clinical efficacy studies, despite demonstrating the desired immunogenicity profile and efficacy in young rodent models...
2017: PloS One
https://www.readbyqxmd.com/read/29174644/does-the-reduction-of-inferior-turbinate-affect-lower-airway-functions
#16
Ozlem Unsal, Mehtap Ozkahraman, Mufide Arzu Ozkarafakili, Meltem Akpinar, Arzu Yasemin Korkut, Senem Kurt Dizdar, Berna Uslu Coskun
INTRODUCTION: Although the nose and lungs are separate organs, numerous studies have reported that the entire respiratory system can be considered as a single anatomical and functional unit. The upper and lower airways affect each other either directly or through reflex mechanisms. OBJECTIVE: In this study, we aimed to evaluate the effects of the radiofrequency ablation of persistent inferior turbinate hypertrophy on nasal and pulmonary function. METHODS: Twenty-seven patients with bilateral persistent inferior turbinate hypertrophy without septal deviation were included in this study...
November 6, 2017: Brazilian Journal of Otorhinolaryngology
https://www.readbyqxmd.com/read/29167813/experimental-data-on-load-test-and-performance-parameters-of-a-lenz-type-vertical-axis-wind-turbine-in-open-environment-condition
#17
Seralathan Sivamani, Micha Premkumar T, Mohammed Sohail, Mohan T, Hariram V
Performance and load testing data of a three bladed two stage LENZ type vertical axis wind turbine from the experiments conducted in an open environment condition at Hindustan Institute of Technology and Science, Chennai (location 23.2167°N, 72.6833°E) are presented here. Low-wind velocity ranging from 2 to 11 m/s is available everywhere irrespective of climatic seasons and this data provides the support to the researchers using numerical tool to validate and develop an enhanced Lenz type design. Raw data obtained during the measurements are processed and presented in the form so as to compare with other typical outputs...
December 2017: Data in Brief
https://www.readbyqxmd.com/read/29165896/investigation-of-the-abnormal-nasal-aerodynamics-and-trigeminal-functions-among-empty-nose-syndrome-patients
#18
Chengyu Li, Alexander A Farag, Guillermo Maza, Sam McGhee, Michael A Ciccone, Bhakthi Deshpande, Edmund A Pribitkin, Bradley A Otto, Kai Zhao
BACKGROUND: Abnormal nasal aerodynamics or trigeminal functions have been frequently implicated in the symptomology of empty nose syndrome (ENS), yet with limited evidence. METHODS: Individual computed tomography (CT)-based computational fluid dynamics (CFD) was applied to 27 ENS patients to simulate their nasal aerodynamics and compared with 42 healthy controls. Patients' symptoms were confirmed with Empty Nose Syndrome 6-item Questionnaire (ENS6Q), 22-item Sino-Nasal Outcome Test (SNOT-22), and Nasal Obstruction Symptom Evaluation (NOSE) scores...
November 22, 2017: International Forum of Allergy & Rhinology
https://www.readbyqxmd.com/read/29159751/septal-and-turbinate-surgery-is-overnight-essential
#19
Ana Sousa Menezes, Joana R Guimarães, Miguel Breda, Vicente Vieira, Luís Dias
INTRODUCTION: The performance of septoplasty and turbinate surgery in an outpatient basis is an increasingly established practice, although is still a controversial topic. METHODS: Retrospective analysis of 227 patients who underwent septoplasty ± inferior and/or middle turbinoplasty. Demographic, clinical, surgical, and anesthetic data were collected. Our primary outcomes were rates of perioperative complications, prolongation of hospital stay (PHS), unexpected hospital revisits (UHR), or readmissions within 30 days of surgery...
November 20, 2017: European Archives of Oto-rhino-laryngology
https://www.readbyqxmd.com/read/29159241/ex-situ-x-ray-computed-tomography-data-for-a-non-crimp-fabric-based-glass-fibre-composite-under-fatigue-loading
#20
Kristine M Jespersen, Lars P Mikkelsen
The data published with this article are high resolution X-ray computed tomography (CT) data obtained during an ex-situ fatigue test of a coupon test specimen made from a non-crimp fabric based glass fibre composite similar to those used for wind turbine blades. The fatigue test was interrupted four times for X-ray CT examination during the fatigue life of the considered specimen. All the X-ray CT experiments were performed in the region where unidirectional fibre fractures first became visible, and thereby include the damage progression in 3D in this specific region during fatigue loading of the specimen...
December 2017: Data in Brief
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