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Morgan Schellenberg, Kenji Inaba, James M Bardes, Nicholas Orozco, Jessica Chen, Caroline Park, Tarina Kang, Demetrios Demetriades
BACKGROUND: Portable chest x-ray (CXR) and extended FAST (EFAST) screen patients for thoracic injury in the trauma bay. It is unclear if one test alone is sufficient, if both are required, or if the two investigations are complementary. Study objectives were to define the combined diagnostic yield of EFAST and CXR among stable blunt thoracic trauma patients and to determine if a normal EFAST and CXR might obviate the need for CT scan of the chest. METHODS: All blunt trauma patients ≥15 years presenting to LAC+USC Medical Center in 2016 were screened...
March 8, 2018: Journal of Trauma and Acute Care Surgery
(no author information available yet)
No abstract text is available yet for this article.
November 2017: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
Kristie Pencil
Current trauma recommendations include completing chest and pelvis radiographs and Focused Abdominal Sonography in Trauma (FAST) examination in the trauma bay; however, expanding literature indicates that thoracic ultrasound scans are more sensitive than chest radiography in the detection of pneumothorax. In an urban, Level II trauma center in central Ohio, the author implemented an evidence-based practice project. This project focused on a lack of provider knowledge of the expanded Focused Abdominal Sonography in Trauma (eFAST) examination...
November 2017: Journal of Trauma Nursing: the Official Journal of the Society of Trauma Nurses
Paolo Cosmo Silvestro, Stefano Pignatti, Hao Yang, Guijun Yang, Simone Pascucci, Fabio Castaldi, Raffaele Casa
Process-based models can be usefully employed for the assessment of field and regional-scale impact of drought on crop yields. However, in many instances, especially when they are used at the regional scale, it is necessary to identify the parameters and input variables that most influence the outputs and to assess how their influence varies when climatic and environmental conditions change. In this work, two different crop models, able to represent yield response to water, Aquacrop and SAFYE, were compared, with the aim to quantify their complexity and plasticity through Global Sensitivity Analysis (GSA), using Morris and EFAST (Extended Fourier Amplitude Sensitivity Test) techniques, for moderate to strong water limited climate scenarios...
2017: PloS One
Philip Mørkeberg Nilsson, Tobias Todsen, Yousif Subhi, Ole Graumann, Christian Pallson Nolsøe, Martin Grønnebæk Tolsgaard
Purpose Ultrasound training is associated with a long learning curve and use of substantial faculty resources. Self-directed ultrasound training may decrease the need for faculty-led teaching. Mobile apps seem promising for use in self-directed ultrasound training, but no studies have examined the cost-effectiveness of mobile app-guided training versus traditional formats such as textbook-guided training. This study evaluated the cost-effectiveness of mobile app-guided versus textbook-guided ultrasound training...
September 26, 2017: Ultraschall in der Medizin
José Luis Vázquez Martínez, Kary Leonisa Quiñones Coneo, Tomas Villen Villegas, María Sánchez Porras, Cesar Pérez-Caballero Macarrón, Ana Coca Pérez, Luis Fernandez Pineda
Percutaneous cardiac intervention is an invasive diagnostic and therapeutic technique which carries a significant complication rate. Although the usefulness of EFAST protocol is widely recognised, this paper will attempt to explore a modified approach involving a focused examination on the retroperitoneal (r-EFAST). We have provided examples of 3 cases where r-EFAST was used to detect retroperitoneal bleeding in critical situations.
December 2017: Critical Ultrasound Journal
Thomas C Sauter, Simon Hoess, Beat Lehmann, Aristomenis K Exadaktylos, Dominik G Haider
BACKGROUND: Extended focused assessment with sonography for trauma (eFAST) has been shown to have moderate sensitivity for detection of pneumothorax in trauma. Little is known about the location or size of missed pneumothoraces or clinical predictors of pneumothoraces in patients with false-negative eFAST. METHODS: This retrospective cross-sectional study includes all patients with multiple blunt trauma diagnosed with pneumothorax who underwent both eFAST and CT performed in the ED of a level 1 trauma centre in Switzerland between 1 June 2012 and 30 September 2014...
September 2017: Emergency Medicine Journal: EMJ
Jeffrey G Yates, Denise Baylous
INTRODUCTION: This study correlated the eFAST findings performed in-flight by the flight crew with the findings obtained by the trauma team upon initial evaluation at a level 1 trauma center and with the subsequent CT scans that were performed or the surgeon's operative note. We hypothesize that aeromedical eFAST examinations are highly correlated with the trauma teams findings. METHODS: This prospective, observational study evaluated 190 traumatically injured patients from June 2014 to December 2015 in Southeast Virginia and Northeast North Carolina...
May 2017: Air Medical Journal
Cassandra Krause, Reed Krause, Raymond Krause, Nephtali Gomez, Zan Jafry, Vi Am Dinh
OBJECTIVE: To demonstrate the effectiveness of incorporating 1 hour of ultrasound training on the extended focused assessment with sonography in trauma (eFAST) into the year-3 medical student surgical clerkship. DESIGN: A prospective cohort study where participants served as self-controls. One hour of instruction in the eFAST examination, along with 3 required observed examinations, was incorporated into the year-3 surgery clerkship. Effectiveness of the training was evaluated by a preliminary and posttraining assessment...
May 4, 2017: Journal of Surgical Education
Jonathan T Finnoff, Jeremiah Ray, Gianmichael Corrado, Deanna Kerkhof, John Hill
BACKGROUND: Traditionally, ultrasound has been used to evaluate musculoskeletal injuries in athletes; however, ultrasound applications extend well beyond musculoskeletal conditions, many of which are pertinent to athletes. EVIDENCE ACQUISITION: Articles were identified in PubMed using the search terms ultrasound, echocardiogram, preparticipation physical examination, glycogen, focused assessment with sonography of trauma, optic nerve, and vocal cord dysfunction...
September 2016: Sports Health
Artur Radomyski, Elisa Giubilato, Philippe Ciffroy, Andrea Critto, Céline Brochot, Antonio Marcomini
The study is focused on applying uncertainty and sensitivity analysis to support the application and evaluation of large exposure models where a significant number of parameters and complex exposure scenarios might be involved. The recently developed MERLIN-Expo exposure modelling tool was applied to probabilistically assess the ecological and human exposure to PCB 126 and 2,3,7,8-TCDD in the Venice lagoon (Italy). The 'Phytoplankton', 'Aquatic Invertebrate', 'Fish', 'Human intake' and PBPK models available in MERLIN-Expo library were integrated to create a specific food web to dynamically simulate bioaccumulation in various aquatic species and in the human body over individual lifetimes from 1932 until 1998...
November 1, 2016: Science of the Total Environment
Sophie Rym Hamada, Nathalie Delhaye, Sebastien Kerever, Anatole Harrois, Jacques Duranteau
BACKGROUND: The initial management of a trauma patient is a critical and demanding period. The use of extended focused assessment sonography for trauma (eFAST) has become more prevalent in trauma rooms, raising questions about the real "added value" of chest X-rays (CXRs) and pelvic X-rays (PXR), particularly in haemodynamically stable trauma patients. The aim of this study was to evaluate the effectiveness of a management protocol integrating eFAST and excluding X-rays in stable trauma patients...
December 2016: Annals of Intensive Care
Li-hong He, Hai-yan Wang, Xiang-dong Lei
Model based on vegetation ecophysiological process contains many parameters, and reasonable parameter values will greatly improve simulation ability. Sensitivity analysis, as an important method to screen out the sensitive parameters, can comprehensively analyze how model parameters affect the simulation results. In this paper, we conducted parameter sensitivity analysis of BIOME-BGC model with a case study of simulating net primary productivity (NPP) of Larix olgensis forest in Wangqing, Jilin Province. First, with the contrastive analysis between field measurement data and the simulation results, we tested the BIOME-BGC model' s capability of simulating the NPP of L...
February 2016: Ying Yong Sheng Tai Xue Bao, the Journal of Applied Ecology
Resa E Lewiss, Jessica Cook, Allison Sauler, Nicholas Avitabile, Nicole L Kaban, Jeffrey Rabrich, Turandot Saul, Sebastian D Siadecki, Dan Wiener
BACKGROUND: Emergency point-of-care ultrasound (POC u/s) is an example of a health information technology that improves patient care and time to correct diagnosis. POC u/s examinations should be documented, as they comprise an integral component of physician decision making. Incomplete documentation prevents coding, billing and physician group compensation for ultrasound-guided procedures and patient care. We aimed to assess the effect of directed education and personal feedback through a task force driven initiative to increase the number of POC u/s examinations documented and transferred to medical coders by emergency medicine physicians...
December 2016: Critical Ultrasound Journal
Christopher Hylkema
Ultrasound has been used for almost 30 years in a wide variety of clinical applications and environments. From the austerity of battlefields to the labor and delivery ward, ultrasound has the ability to give clinicians real-time, noninvasive diagnostic imaging. Ultrasound by emergency physicians (and all nonradiologists) has become more prevalent and has been used for examinations such as the transcranial Doppler to evaluate for stroke, cardiac function, FAST and EFAST examinations for trauma, and now increased intracranial pressure (ICP) via Optic Nerve Sheath Diameter Ultrasound (ONSD)...
March 2016: Critical Care Nursing Clinics of North America
Gabriele Pedruzzi, Phonindra Nath Das, Kanury Vs Rao, Samrat Chatterjee
Infection of humans with Mycobacterium tuberculosis (Mtb) results in diverse outcomes that range from acute disease to establishment of persistence and to even clearance of the pathogen. These different outcomes represent the combined result of host heterogeneity on the one hand, and virulence properties of the infecting strain of pathogen on the other. From the standpoint of the host, the balance between PGE2, LXA4 and LTB4 represents at least one of the factors that dictates the eventual pathophysiology. We therefore built an ODE model to describe the host-pathogen interaction and studied the local stability properties of the system, to obtain the parametric conditions that lead to different disease outcomes...
January 21, 2016: Journal of Theoretical Biology
Huaiwei Sun, Yan Zhu, Jinzhong Yang, Xiugui Wang
As the amount of water resources that can be utilized for agricultural production is limited, the reuse of treated wastewater (TWW) for irrigation is a practical solution to alleviate the water crisis in China. The process-based models, which estimate nitrogen dynamics under irrigation, are widely used to investigate the best irrigation and fertilization management practices in developed and developing countries. However, for modeling such a complex system for wastewater reuse, it is critical to conduct a sensitivity analysis to determine numerous input parameters and their interactions that contribute most to the variance of the model output for the development of process-based model...
November 2015: Environmental Science and Pollution Research International
Uri Adrian Prync Flato, Hélio Penna Guimarães, Renato Delascio Lopes, Jorge Luís Valiatti, Elias Marcos Silva Flato, Ricardo Gonçalves Lorenzo
Trauma is the leading cause of death in people below 45 years-old in Brazil, and responsible for one third of all intensive care unit admissions. The increasing knowledge on ultrasound diagnosis methods and its availability for life-threatening injuries (such as cardiac tamponade and abdominal cavity solid organs rupture leading to hemorrhagic shock) diagnosis and monitoring, lead to the development o the FAST (Focused Assessment with Sonography for Trauma) protocol, aimed to be used both in the emergency and intensive care unit settings...
September 2010: Revista Brasileira de Terapia Intensiva
Gregory M Press, Sara K Miller, Iman A Hassan, Kiyetta H Alade, Elizabeth Camp, Deborah Del Junco, John B Holcomb
BACKGROUND: Ultrasound is widely considered the initial diagnostic imaging modality for trauma. Preliminary studies have explored the use of trauma ultrasound in the prehospital setting, but the accuracy and potential utility is not well understood. OBJECTIVE: We sought to determine the accuracy of trauma ultrasound performed by helicopter emergency medical service (HEMS) providers. METHODS: Trauma ultrasound was performed in flight on adult patients during a 7-month period...
December 2014: Journal of Emergency Medicine
Yassir Abdulrahman, Shameel Musthafa, Suhail Y Hakim, Syed Nabir, Ahad Qanbar, Ismail Mahmood, Tariq Siddiqui, Wafaa A Hussein, Hazim H Ali, Ibrahim Afifi, Ayman El-Menyar, Hassan Al-Thani
INTRODUCTION: The clinical significance of extended Focused Assessment with Sonography for Trauma (EFAST) for diagnosis of pneumothorax is not well defined. OBJECTIVES: To investigate the utility of EFAST in blunt chest trauma (BCT) patients. STUDY DESIGN: A single blinded, prospective study. PARTICIPANTS: All patients admitted with BCT (2011-2013). SETTINGS: Level 1 trauma center in Qatar. PROCEDURES AND OUTCOME MEASURES: Patients were screened by EFAST and results were compared to the clinical examination (CE) and chest X-ray (CXR)...
January 2015: World Journal of Surgery
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