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Airway simulation simulator

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https://www.readbyqxmd.com/read/28441505/error-detection-based-model-to-assess-educational-outcomes-in-crisis-resource-management-training-a-pilot-study
#1
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/28429117/a-comparison-of-mcgrath-mac%C3%A2-and-standard-direct-laryngoscopy-in-simulated-immobilized-cervical-spine-pediatric-intubation-a-manikin-study
#2
Marcin Madziala, Jacek Smereka, Marek Dabrowski, Steve Leung, Kurt Ruetzler, Lukasz Szarpak
Emergency airway management in children is generally considered to be challenging, and endotracheal intubation requires a high level of personal skills and experience. Immobilization of the cervical spine is indicated in all patients with the risk of any cervical spine injury but significantly aggravates endotracheal intubation. The best airway device in this setting has not been established yet, although the use of videolaryngoscopes is generally promising. Seventy-five moderately experienced paramedics of the Emergency Medical Service of Poland performed endotracheal intubations in a pediatric manikin in three airway scenarios: (A) normal airway, (B) manual in-line cervical immobilization, and (C) cervical immobilization using a Patriot cervical extrication collar and using two airway techniques: (1) McGrath videolaryngoscope and (2) Macintosh blade in a randomized sequence...
April 21, 2017: European Journal of Pediatrics
https://www.readbyqxmd.com/read/28424075/computational-modeling-of-airway-instability-and-collapse-in-tracheomalacia
#3
Scott J Hollister, Maximilian P Hollister, Sebastian K Hollister
BACKGROUND: Tracheomalacia (TM) is a condition of excessive tracheal collapse during exhalation. Both acquired and congenital forms of TM are believed to result from morphological changes in cartilaginous, fibrous and/or smooth muscle tissues reducing airway mechanical properties to a degree that precipitates collapse. However, neither the specific amount of mechanical property reduction nor the malacic segment lengths leading to life threatening airway collapse in TM are known. Furthermore, the specific mechanism of collapse is still debated...
April 19, 2017: Respiratory Research
https://www.readbyqxmd.com/read/28422820/comparison-of-the-etview-single-lumen-and-macintosh-laryngoscopes-for-endotracheal-intubation-in-an-airway-manikin-with-immobilized-cervical-spine-by-novice-paramedics-a-randomized-crossover-manikin-trial
#4
Pawel Gawlowski, Jacek Smereka, Marcin Madziala, Barak Cohen, Kurt Ruetzler, Lukasz Szarpak
CONTEXT: Management of the airway of a trauma victim is considered challenging. Various approaches have been described to achieve airway control in this setup; many of them include video-assited viewing of the larynx during intubation. ETView Single Lumen (SL) is a novice single-use endotracheal tube equiped with a video camera and a light source at its distal tip. Its use was previously described in seeral clinical and training setups. OBJECTIVE: The aim was to evaluate the efficacy of the VivaSight SL compared with classic direct laryngoscopy performed with a Macintosh blade in a manikin-simulated trauma setup presenting various degrees of airway challenge when performed by inexperienced physicians...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28418271/use-of-a-novel-airway-kit-and-simulation-in-resident-training-on-emergent-pediatric-airways
#5
Jonathan M Melzer, Erin R S Hamersley, Thomas Q Gallagher
Objective Development of a novel pediatric airway kit and implementation with simulation to improve resident response to emergencies with the goal of improving patient safety. Methods Prospective study with 9 otolaryngology residents (postgraduate years 1-5) from our tertiary care institution. Nine simulated pediatric emergency airway drills were carried out with the existing system and a novel portable airway kit. Response times and time to successful airway control were noted with both the extant airway system and the new handheld kit...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28414873/influence-of-pharyngeal-airway-respiration-pressure-on-class-ii-mandibular-retrusion-in-children-a-computational-fluid-dynamics-study-of-inspiration-and-expiration
#6
T Iwasaki, H Sato, H Suga, Y Takemoto, E Inada, I Saitoh, K Kakuno, R Kanomi, Y Yamasaki
OBJECTIVES: To examine the influence of negative pressure of the pharyngeal airway on mandibular retraction during inspiration in children with nasal obstruction using the computational fluid dynamics (CFD) method. SETTING AND SAMPLE POPULATION: Sixty-two children were divided into Classes I, II (mandibular retrusion) and III (mandibular protrusion) malocclusion groups. MATERIAL AND METHODS: Cone-beam computed tomography data were used to reconstruct three-dimensional shapes of the nasal and pharyngeal airways...
May 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28413282/comparison-of-success-of-tracheal-intubation-using-macintosh-laryngoscope-assisted-bonfils-fiberscope-and-truview-video-laryngoscope-in-simulated-difficult-airway
#7
Bangaru Vivek, R Sripriya, Gayatri Mishra, M Ravishankar, S Parthasarathy
BACKGROUND AND AIMS: Restriction of head and neck movements prevents the alignment of the oral, pharyngeal, and laryngeal axes and increases the incidence of difficult tracheal intubation in patients with cervical spine fractures. Video laryngoscopes have gained an important role in the management of difficult intubation, especially in situations with limited head and neck movements. This study compares the success of intubation using Macintosh laryngoscope assisted Bonfils(®) fiberscope (ML-BF) with Truview(PCD) video laryngoscope (TV) in patients with simulated restricted head and neck movements...
January 2017: Journal of Anaesthesiology, Clinical Pharmacology
https://www.readbyqxmd.com/read/28412180/computational-fluid-dynamics-study-of-the-pharyngeal-airway-space-before-and-after-mandibular-setback-surgery-in-patients-with-mandibular-prognathism
#8
Y Yajima, M Oshima, T Iwai, H Kitajima, S Omura, I Tohnai
The purpose of this study was to investigate the relationship between the pressure drop in the pharyngeal airway space (ΔPPAS) and the minimum cross-sectional area (minCSA) of the pharyngeal airway before and after mandibular setback surgery using computational fluid dynamics, in order to prevent iatrogenic obstructive sleep apnoea. Eleven patients with mandibular prognathism underwent bilateral sagittal split osteotomy for mandibular setback. Three-dimensional models of the upper airway were reconstructed from preoperative and postoperative computed tomography images, and simulations were performed using computational fluid dynamics...
April 12, 2017: International Journal of Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28410880/the-effect-of-user-experience-and-inflation-technique-on-endotracheal-tube-cuff-pressure-using-a-feline-airway-simulator
#9
Donna M White, José I Redondo, Alastair R Mair, Fernando Martinez-Taboada
OBJECTIVE: The effect of user experience and inflation technique on endotracheal tube cuff pressure using a feline airway simulator. STUDY DESIGN: Prospective, experimental clinical study. METHODS: Participants included veterinary students at the beginning (group S1) and end (group S2) of their 2-week anaesthesia rotation and veterinary anaesthetists (group A). The feline airway simulator was designed to simulate an average size feline trachea, intubated with a 4...
February 24, 2017: Veterinary Anaesthesia and Analgesia
https://www.readbyqxmd.com/read/28409648/assessment-of-simulated-emergency-scenarios-are-trained-observers-necessary
#10
Juliane Noveanu, Felix Amsler, Wolfgang Ummenhofer, Thomas von Wyl, Mathias Zuercher
OBJECTIVES: Simulation-based medical training is associated with superior educational outcomes and improved cost efficiency. Self- and peer-assessment may be a cost-effective and flexible alternative to expert-led assessment. We compared accuracy of self- and peer-assessment of untrained raters using basic evaluation tools to expert assessment using advanced validation tools including validated questionnaires and post hoc video-based analysis. METHODS: Twenty-eight simulated emergency airway management scenarios were observed and video-recorded for further assessment...
April 14, 2017: Prehospital Emergency Care
https://www.readbyqxmd.com/read/28408272/successful-management-of-a-neck-hematoma-following-simulation-training
#11
Marie-Ève Bélanger, Issam Tanoubi, Mihai Georgescu, Roger Perron, Arnaud Robitaille, Marie-Pierre Charron, Pierre Drolet
Simulation-based education is gaining widespread acceptance in many medical specialties as an effective method to teach technical and non-technical skills. The ultimate goal of simulation is to improve health care and patient safety. Boet et al. [1] published a review on simulation-based crisis resources management (CRM) teaching, looking for evidence that it can lead to improved workplace practices and patient safety. Amongst hundreds of studies pertaining to CRM, he found only nine that were relevant, and only one that showed reduced mortality...
April 10, 2017: Anaesthesia, Critical Care & Pain Medicine
https://www.readbyqxmd.com/read/28404450/does-lying-in-the-recovery-position-increase-the-likelihood-of-not-delivering-cardiopulmonary-resuscitation
#12
Miguel Freire-Tellado, Rubén Navarro-Patón, Maria Del Pilar Pavón-Prieto, Marta Fernández-López, Javier Mateos-Lorenzo, Ivan López-Fórneas
BACKGROUND: Resuscitation guidelines endorse unconscious and normally breathing out-of-hospital victims to be placed in the recovery position to secure airway patency, but recently a debate has been opened as to whether the recovery position threatens the cardiac arrest victim's safety assessment and delays the start of cardiopulmonary resuscitation. AIM: To compare the assessment of the victim's breathing arrest while placed in the recovery position versus maintaining an open airway with the continuous head tilt and chin lift technique to know whether the recovery position delays the cardiac arrest victim's assessment and the start of cardiopulmonary resuscitation...
April 9, 2017: Resuscitation
https://www.readbyqxmd.com/read/28397538/computer-aided-design-and-3-dimensional-printing-for-costal-cartilage-simulation-of-airway-graft-carving
#13
Jennifer F Ha, Robert J Morrison, Glenn E Green, David A Zopf
Autologous cartilage grafting during open airway reconstruction is a complex skill instrumental to the success of the operation. Most trainees lack adequate opportunities to develop proficiency in this skill. We hypothesized that 3-dimensional (3D) printing and computer-aided design can be used to create a high-fidelity simulator for developing skills carving costal cartilage grafts for airway reconstruction. The rapid manufacturing and low cost of the simulator allow deployment in locations lacking expert instructors or cadaveric dissection, such as medical missions and Third World countries...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28390837/the-influence-of-mannitol-on-morphology-and-disintegration-of-spray-dried-nano-embedded-microparticles
#14
Afra Torge, Philipp Grützmacher, Frank Mücklich, Marc Schneider
Nano-embedded microparticles represent a promising approach to deliver nanoparticles to the lungs. Microparticles with an appropriate aerodynamic diameter enable an application by dry powder inhaler and the transport of nanoparticles into the airways. By disintegration after deposition, nanoparticles can be released to exhibit their advantages such as a sustained drug release and delivery of the drug across the mucus barrier. The use of an appropriate matrix excipient to embed the nanoparticles is essential for the necessary disintegration and release of nanoparticles...
April 5, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28387372/computational-fluid-dynamics-simulation-of-the-upper-airway-response-to-large-incisor-retraction-in-adult-class-i-bimaxillary-protrusion-patients
#15
Zhe Zheng, Hong Liu, Qi Xu, Wei Wu, Liling Du, Hong Chen, Yiwen Zhang, Dongxu Liu
The changes of the upper airway after large retraction of the incisors in adult class I bimaxillary protrusion patients were assessed mainly focused on the anatomic variation and ignored the functional changes. This study aimed to investigate the changes of the upper airway in adult class I bimaxillary protrusion patients after extraction treatment using the functional images based on computational fluid dynamics (CFD). CFD was implemented after 3D reconstruction based on the CBCT of 30 patients who have completed extraction treatment...
April 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28382880/a-comparison-of-three-maneuvers-and-their-effect-on-laryngoscopic-view-time-to-intubate-and-intubation-outcome-by-novice-intubators-in-a-simulated-airway
#16
Christopher Stein, Louis Gerber, Denis Curtin, Nicole Oberem, Mike Wells
Aim The goal of this study was to compare the relative effectiveness of three adjunctive maneuvers - head elevation (HE), forward laryngoscope traction (FT), and external laryngeal manipulation (ELM) - on laryngoscopic view, intubation time, and intubation success performed by a sample of novice intubators using a simulated airway. METHODS: Twenty-two second year university paramedic students were required to perform laryngoscopy and intubation on a simulator four times on two separate days...
April 6, 2017: Prehospital and Disaster Medicine
https://www.readbyqxmd.com/read/28381221/ozone-and-childhood-respiratory-disease-in-three-us-cities-evaluation-of-effect-measure-modification-by-neighborhood-socioeconomic-status-using-a-bayesian-hierarchical-approach
#17
Cassandra R O' Lenick, Howard H Chang, Michael R Kramer, Andrea Winquist, James A Mulholland, Mariel D Friberg, Stefanie Ebelt Sarnat
BACKGROUND: Ground-level ozone is a potent airway irritant and a determinant of respiratory morbidity. Susceptibility to the health effects of ambient ozone may be influenced by both intrinsic and extrinsic factors, such as neighborhood socioeconomic status (SES). Questions remain regarding the manner and extent that factors such as SES influence ozone-related health effects, particularly across different study areas. METHODS: Using a 2-stage modeling approach we evaluated neighborhood SES as a modifier of ozone-related pediatric respiratory morbidity in Atlanta, Dallas, & St...
April 5, 2017: Environmental Health: a Global Access Science Source
https://www.readbyqxmd.com/read/28376246/non-technical-skills-of-surgeons-and-anaesthetists-in-simulated-operating-theatre-crises
#18
A G Doumouras, M Hamidi, K Lung, C L Tarola, M W Tsao, J W Scott, D S Smink, S Yule
BACKGROUND: Deficiencies in non-technical skills (NTS) have been increasingly implicated in avoidable operating theatre errors. Accordingly, this study sought to characterize the impact of surgeon and anaesthetist non-technical skills on time to crisis resolution in a simulated operating theatre. METHODS: Non-technical skills were assessed during 26 simulated crises (haemorrhage and airway emergency) performed by surgical teams. Teams consisted of surgeons, anaesthetists and nurses...
April 4, 2017: British Journal of Surgery
https://www.readbyqxmd.com/read/28373385/wrinkling-instabilities-in-soft-bilayered-systems
#19
Silvia Budday, Sebastian Andres, Bastian Walter, Paul Steinmann, Ellen Kuhl
Wrinkling phenomena control the surface morphology of many technical and biological systems. While primary wrinkling has been extensively studied, experimentally, analytically and computationally, higher-order instabilities remain insufficiently understood, especially in systems with stiffness contrasts well below 100. Here, we use the model system of an elastomeric bilayer to experimentally characterize primary and secondary wrinkling at moderate stiffness contrasts. We systematically vary the film thickness and substrate prestretch to explore which parameters modulate the emergence of secondary instabilities, including period-doubling, period-tripling and wrinkle-to-fold transitions...
May 13, 2017: Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences
https://www.readbyqxmd.com/read/28370325/mutagenicity-and-oxidative-damage-induced-by-an-organic-extract-of-the-particulate-emissions-from-a-simulation-of-the-deepwater-horizon-surface-oil-burns
#20
David M DeMarini, Sarah H Warren, Katelyn Lavrich, Alexis Flen, Johanna Aurell, William Mitchell, Dale Greenwell, William Preston, Judith E Schmid, William P Linak, Michael D Hays, James M Samet, Brian K Gullett
Emissions from oil fires associated with the "Deepwater Horizon" explosion and oil discharge that began on April 20, 2010 in the Gulf of Mexico were analyzed chemically to only a limited extent at the time but were shown to induce oxidative damage in vitro and in mice. To extend this work, we burned oil floating on sea water and performed extensive chemical analyses of the emissions (Gullett et al., Marine Pollut Bull, in press, ). Here, we examine the ability of a dichloromethane extract of the particulate material with an aerodynamic size ≤ 2...
April 2017: Environmental and Molecular Mutagenesis
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