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Julio A Chalela
BACKGROUND: Headaches among military personnel are very common and headgear wear is a frequently identified culprit. Helmet wear may cause migrainous headaches, external compression headache, other primary cranial neuralgias, and occipital neuralgia. The clinical features and the response to treatment allow distinction between the different types of headaches. Headaches among aviators are particularly concerning as they may act as distractors while flying and the treatment options are often incompatible with flying status...
April 1, 2018: Aerospace Medicine and Human Performance
Guan Sen Kew, Brian See
INTRODUCTION: Zolpidem is a short-acting nonbenzodiazepine hypnotic that has been approved by the Republic of Singapore Air Force (RSAF) for aircrew sleep management since 2005. Prior to consuming zolpidem for operational reasons, each RSAF aircrew member is required to undergo a ground test to exclude operationally relevant adverse drug effects. This study describes the RSAF's zolpidem ground testing outcomes over a 12.5-yr period. METHODS: This is a retrospective case series of 578 RSAF aircrew members who underwent zolpidem test dosing from 1 January 2005 to 30 June 2017...
April 1, 2018: Aerospace Medicine and Human Performance
Daniel J Geyer, Adam T Biggs
Virtual simulations offer nearly unlimited training potential for naval aviation due to the wide array of scenarios that can be simulated in a safe, reliable, and cost-effective environment. This versatility has created substantial interest in using existing and emerging virtual technology to enhance training scenarios. However, the virtual simulations themselves may hinder training initiatives by inducing simulator sickness among the trainees, which is a series of symptoms similar to motion sickness that can arise from simulator use...
April 1, 2018: Aerospace Medicine and Human Performance
Lora J Wu, Philippa H Gander, Margo van den Berg, T Leigh Signal
BACKGROUND: Many civilian aviation regulators favor evidence-based strategies that go beyond hours-of-service approaches for managing fatigue risk. Several countries now allow operations to be flown outside of flight and duty hour limitations, provided airlines demonstrate an alternative method of compliance that yields safety levels "at least equivalent to" the prescriptive regulations. Here we discuss equivalence testing in occupational fatigue risk management. We present suggested ratios/margins of practical equivalence when comparing operations inside and outside of prescriptive regulations for two common aviation safety performance indicators: total in-flight sleep duration and psychomotor vigilance task reaction speed...
April 1, 2018: Aerospace Medicine and Human Performance
Vincent Denault, Louise M Jupe
No abstract text is available yet for this article.
2018: Frontiers in Psychology
Miguel Ángel Sánchez-Tena, Cristina Alvarez-Peregrina, Mª Carolina Valbuena-Iglesias, Pablo Ruisoto Palomera
Optical illusions are involved in the perception of false or erroneous images which might involve disorientation. They occur by a discordance by the peripheral systems about the information captured and generally, resulting in pilots failure to recognize key signals. The aim of this study is to review the state of the art of spatial disorientation and optical illusions in aviation pilots. This kind of disorientation has important practical consequences, because a remarkable percentage of plane accidents are related to pilot's optical illusions...
March 19, 2018: Journal of Medical Systems
Derek Wakeman, Max R Langham
The operating room (OR) is a special place wherein groups of highly skilled individuals must work in a coordinated and harmonious fashion to deliver optimal patient care. Team dynamics and human factors principles were initially studied by the aviation industry to better understand and prevent airline accidents. As a result, crew resource management (CRM) training was designed for all flight personnel to create a highly reliable industry with a commitment to a culture of safety. CRM has since been adapted to health care, resulting in care improvement and harm reduction across a wide variety of medical specialties...
April 2018: Seminars in Pediatric Surgery
Tongyang Li, Shaoping Wang, Enrico Zio, Jian Shi, Wei Hong
Leakage is the most important failure mode in aircraft hydraulic systems caused by wear and tear between friction pairs of components. The accurate detection of abrasive debris can reveal the wear condition and predict a system's lifespan. The radial magnetic field (RMF)-based debris detection method provides an online solution for monitoring the wear condition intuitively, which potentially enables a more accurate diagnosis and prognosis on the aviation hydraulic system's ongoing failures. To address the serious mixing of pipe abrasive debris, this paper focuses on the superimposed abrasive debris separation of an RMF abrasive sensor based on the degenerate unmixing estimation technique...
March 15, 2018: Sensors
Ryan W Snow, Wayne Papalski, John Siedler, Brendon Drew, Benjamin Walrath
Benefit of Critical Care Flight Paramedic-Trained Search and Rescue Corpsmen in Treatment of Severely Injured Aviators.
2018: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
William Sledge, Julia Rozanova, Julianne Dorset
OBJECTIVE: To provide a follow up of a 1976 study of the impact of captivity on U.S. Air Force (USAF) POWs and USAF Controls matched for time in Southeast Asia, military rank and aircraft crew position. METHOD: Qualitative study of replies to open ended questions of positive and negative changes due to their captivity/combat experiences made by participants (POWs and Controls) who replied in both 1976 and in 2003. RESULTS: Both groups acknowledged positive and negative effects of the experiences in 1976...
March 13, 2018: Psychiatry
Ben McNaughten, Caroline Hart, Stephen Gallagher, Carol Junk, Patricia Coulter, Andrew Thompson, Thomas Bourke
AIM: Differences in the gaze behaviour of experts and novices are described in aviation and surgery. This study sought to describe the gaze behaviour of clinicians from different training backgrounds during a simulated paediatric emergency. METHODS: Clinicians from four clinical areas undertook a simulated emergency. Participants wore SMI (SensoMotoric Instruments) eye tracking glasses. We measured the fixation count and dwell time on predefined areas of interest and the time taken to key clinical interventions...
March 7, 2018: Archives of Disease in Childhood
Maurice L Sipos, Paul Y Kim, Stephen J Thomas, Amy B Adler
Introduction: In the fall of 2014, the United States and other nations responded to the worst outbreak of the Ebola virus disease in history. As part of this effort, U.S. service members deployed to West Africa to support a spectrum of activities that did not involve direct patient care. Although previous studies identified the psychological impact of responding to an outbreak, these studies were limited to retrospective data, small sample sizes, and medical personnel. The goals of the present study were to (a) document the mental health and well-being of troops deploying in response to an infectious disease outbreak; (b) identify their stressors, attitudes toward deployment, and health risk concerns; and (c) understand the role of combat experience in adjusting to these types of missions...
March 1, 2018: Military Medicine
T Ning, W Shao-Sheng, Y Yan-Feng, Z Yong, L I Chao-Pin
Objective To investigate whether there is Blomia tropicalis breeding in the flour warehouse of food factory in a civil aviation airport, and, if there is, to observe the morphological structure of the mite. Methods The flour samples were collected from the flour warehouse of food factory in a civil aviation airport. The breeding mites were isolated from the samples by direct microscopy and made into specimens to observe with a light microscope. Results Female Blomia tropicalis was found in the collected flour samples...
April 28, 2017: Zhongguo Xue Xi Chong Bing Fang Zhi za Zhi, Chinese Journal of Schistosomiasis Control
Claudia R Gerstle
Aviation and healthcare are complex industries and share many similarities: the cockpit and the operating theater, the captain and the surgeon. While North American commercial aviation currently enjoys a tremendous safety record, it was not always this way. A spike of accidents in 1973 caused 3214 aviation-related fatalities. Over the past 20years, the rate of fatal accidents per million flights fell by a factor of five, while air traffic increased by more than 86%. There have been no fatalities on a U.S. carrier for over 12years...
February 8, 2018: Journal of Pediatric Surgery
Vikram Ravi, Allan H Gao, Natalie B Martinkus, Michael P Wolcott, Brian K Lamb
Forest residue is a major potential feedstock for second generation biofuel, however little knowledge exists about environmental impacts of development and production of biofuel from such a feedstock. Using a high-resolution regional air quality model, we estimate the air quality impacts of an aviation biofuel supply chain scenario in the Pacific Northwest of the United States that uses forest residue as the feedstock. Pollutant emissions for the major supply chain components including feedstock harvesting, transportation, and biorefinery operations were compiled...
March 5, 2018: Environmental Science & Technology
Dan A Oh, Hyeyun Kim, Eun Kee Bae
BACKGROUND AND PURPOSE: Electroencephalography (EEG) is often used as a screening tool for selecting pilots despite controversy regarding its contribution to aviation safety. We investigated EEG abnormalities in Korean commercial pilot applicants in order to identify the usefulness of EEG screening in this population. METHODS: We retrospectively analyzed the EEG results of 740 unselected pilot applicants who underwent waking EEG at Inha University Hospital from January 2013 to May 2017...
February 28, 2018: Journal of Clinical Neurology
Doron D Sommer, Sadaf Arbab-Tafti, Forough Farrokhyar, Marc Tewfik, Allan Vescan, Ian J Witterick, Brian Rotenberg, Rakesh Chandra, Erik K Weitzel, Erin Wright, Jayant Ramakrishna
BACKGROUND: The goal of this study was to develop and evaluate the impact of an aviation-style challenge and response sinus surgery-specific checklist on potential safety and equipment issues during sinus surgery at a tertiary academic health center. The secondary goal was to assess the potential impact of use of the checklist on surgical times during, before, and after surgery. This initiative is designed to be utilized in conjunction with the "standard" World Health Organization (WHO) surgical checklist...
February 27, 2018: International Forum of Allergy & Rhinology
Joseph Shonka
No abstract text is available yet for this article.
April 2018: Health Physics
Ashley Szabo Eltorai
Though aviation is practiced in airplanes and anesthesiology in operating rooms, the two professions have substantial parallels. Both require readiness to manage a crisis situation, where lives are at stake, at a moment's notice and with incomplete information. The determinants of quality performance in both professions extend far beyond knowledge base and formal training. The science of human factors, a prominent cornerstone of the aviation industry, has not yet found the same place in medicine, but it could change the understanding and execution of medical decision-making in profound ways...
February 23, 2018: Journal of Anesthesia
Anna Levkovsky, Sivan Abot-Barkan, Leah Chapnik, Omer Doron, Yuval Levy, Yuval Heled, Barak Gordon
INTRODUCTION: A loss of 1% or more of bodyweight due to dehydration has a negative effect on cognitive performance, which could critically affect flight safety. There is no mention in the literature concerning the amounts of military pilots' fluid loss during flight. The aim of this study was to quantify fluid loss of pilots during military flight. METHODS: There were 48 aviators (mean age 23.9) from the Israeli Air Force who participated in the study, which included 104 training flights in various flight platforms...
February 1, 2018: Aerospace Medicine and Human Performance
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