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https://www.readbyqxmd.com/read/29792280/resource-utilization-and-indications-for-helicopter-transport-of-head-injured-children
#1
Clay M Elswick, Deidre Wyrick, Lori A Gurien, Malik Rettiganti, Marie Gowen, Ambre' Pownall, Diaa Bahgat, R Todd Maxson, Eylem Öcal, Gregory W Albert
INTRODUCTION: Helicopter emergency medical services (HEMS) have provided benefit for severely injured patients. However, HEMS are likely overused for the transportation of both adult and pediatric trauma patients. In this study, we aim to evaluate the degree of overuse of helicopter as a mode of transport for head-injured children. In addition, we propose criteria that can be used to determine if a particular patient is suitable for air versus ground transport. MATERIALS AND METHODS: We identified patients who were transported to our facility for head injuries...
May 1, 2018: Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/29789488/superhydrophobic-natural-and-artificial-surfaces-a-structural-approach
#2
REVIEW
Roxana-Elena Avrămescu, Mihaela Violeta Ghica, Cristina Dinu-Pîrvu, Răzvan Prisada, Lăcrămioara Popa
Since ancient times humans observed animal and plants features and tried to adapt them according to their own needs. Biomimetics represents the foundation of many inventions from various fields: From transportation devices (helicopter, airplane, submarine) and flying techniques, to sports' wear industry (swimming suits, scuba diving gear, Velcro closure system), bullet proof vests made from Kevlar etc. It is true that nature provides numerous noteworthy models (shark skin, spider web, lotus leaves), referring both to the plant and animal kingdom...
May 22, 2018: Materials
https://www.readbyqxmd.com/read/29789088/the-danger-zone-for-noise-hazards-around-the-black-hawk-helicopter
#3
Heath G Jones, Nathaniel T Greene, Michael R Chen, Cierrah M Azcona, Brandon J Archer, Efrem R Reeves
BACKGROUND: During ground operations, rotary-wing aircraft engines and subsystems produce noise hazards that place airfield personnel at risk for hearing damage. The noise exposure levels outside the aircraft during various operating conditions, and the distances from aircraft at which they drop to safe levels, are not readily available. The current study measured noise levels at various positions around the UH-60 Black Hawk helicopter for three operating conditions typically used when the aircraft is on the ground...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789086/acute-mild-hypoxic-hypoxia-effects-on-cognitive-and-simulated-aircraft-pilot-performance
#4
Fethi Bouak, Oshin Vartanian, Kevin Hofer, Bob Cheung
BACKGROUND: The effects of acute mild hypoxic hypoxia (HH) and physical activity on physiological measures, signs and symptoms, mood, fatigue, cognition, and performance on a simulated flight task were investigated between 8000 (8K; 2438 m) and 14,000 ft (14K; 4267 m). METHOD: In a hypobaric chamber, 16 military helicopter pilots were randomly exposed to 4 altitudes and 3 physical exertion levels. After each exercise period, participants identified targets on a designated flight path on a desktop simulator and completed a cognitive test battery...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789084/amplified-pilot-head-vibration-and-the-effects-of-vibration-mitigation-on-neck-muscle-strain
#5
Heather E Wright Beatty, Andrew J Law, J Russell Thomas, Viresh Wickramasinghe
INTRODUCTION: Rotary wing pilot neck strain is increasing in prevalence due to the combined effects of head supported mass (e.g., Night Vision Goggles, head mounted displays) and whole-body vibration. This study examined the physiological responses of pilots during exposure to whole-body vibration (WBV) representative of the National Research Council's Bell 412 helicopter in forward flight. WBV levels were measured and evaluated using the ISO-2631-1-1997 WBV standards. METHODS: Twelve pilots (aged 20-59 yr, 7 of the 12 with 20+ years flight experience) underwent six 15-min vibration trials on a human rated shaker platform...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29789082/the-differential-effect-of-sustained-operations-on-psychomotor-skills-of-helicopter-pilots
#6
Terry W McMahon, David G Newman
INTRODUCTION: Flying a helicopter is a complex psychomotor skill requiring constant control inputs from pilots. A deterioration in psychomotor performance of a helicopter pilot may be detrimental to operational safety. The aim of this study was to test the hypothesis that psychomotor performance deteriorates over time during sustained operations and that the effect is more pronounced in the feet than the hands. The subjects were helicopter pilots conducting sustained multicrew offshore flight operations in a demanding environment...
June 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29787553/logistics-of-air-medical-transport-when-and-where-does-helicopter-transport-reduce-prehospital-time-for-trauma
#7
Xilin Chen, Mark L Gestring, Matthew R Rosengart, Andrew B Peitzman, Timothy R Billiar, Jason L Sperry, Joshua B Brown
BACKGROUND: Trauma is a time sensitive disease. Helicopter emergency medical services (HEMS) have shown benefit over ground EMS (GEMS), which may be related to reduced prehospital time. The distance at which this time benefit emerges depends on many factors that can vary across regions. Our objective was to determine the threshold distance at which HEMS has shorter prehospital time than GEMS under different conditions. METHODS: Patients in the PA trauma registry 2000-2013 were included...
May 4, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29769024/hems-inter-facility-transfer-a-case-mix-analysis
#8
Damien Di Rocco, Mathieu Pasquier, Eric Albrecht, Pierre-Nicolas Carron, Fabrice Dami
BACKGROUND: Helicopter emergency medical services (HEMS) are popular rescue systems despite inconsistent evidence in the scientific literature to support their use for primary interventions, as well as for inter-facility transfer (IFT). There is little research about IFT by HEMS, hence questions remain about the appropriateness of this method of transport. The aim of this study was to describe a case-mix of operational and medical characteristics for IFT activity of a sole HEMS base, and identify indicators of over-triage...
May 16, 2018: BMC Emergency Medicine
https://www.readbyqxmd.com/read/29739432/emergency-management-of-patients-with-st-segment-elevation-myocardial-infarction-in-eastern-austria-a-descriptive-quality-control-study
#9
Helmut Trimmel, Thomas Bayer, Wolfgang Schreiber, Wolfgang G Voelckel, Lukas Fiedler
BACKGROUND: Myocardial infarction is a time-critical condition and its outcome is determined by appropriate emergency care. Thus we assessed the efficacy of a supra-regional ST-segment elevation myocardial infarction (STEMI) network in Easternern Austria. METHODS: The Eastern Austrian STEMI network serves a population of approx. 766.000 inhabitants within a region of 4186 km2 . Established in 2007, it now comprises 20 pre-hospital emergency medical service (EMS) units (10 of these physician-staffed), 4 hospitals and 3 cardiac intervention centres...
May 9, 2018: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29735234/intracerebral-hemorrhage-with-herniation-in-a-second-trimester-pregnant-female
#10
Donald S MacMillan
A 30-year-old woman, gravida 1, para 2, in her second trimester presented to the local emergency department complaining of an atraumatic headache described as the worst headache of her life. While undergoing evaluation, she became unresponsive with signs of herniation, including a blown pupil and bradycardia. Emergent imaging identified an intracerebral hemorrhage requiring immediate surgical decompression. The patient was transferred by helicopter to tertiary care. Upon arrival, the patient was taken directly to the operating room and underwent a decompressive craniotomy...
May 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29735230/management-of-multiple-burned-patients-with-inhalation-injuries
#11
Kouhei Ishikawa, Youichi Yanagawa, Yukino Kato, Yoko Nozawa, Hiroki Nagasawa, Ikuto Takeuchi, Kei Jitsuiki, Akihiko Kondo, Hiromichi Ohsaka, Kazuhiko Omori
The fire department in Atami received an emergency call at 6:17 am, with notification of 4 or 5 casualties because of a fire. Because there was only 1 ambulance (O) at the station, an additional ambulance (P) was also requested. Ambulance O transported 2 patients (A and B), and ambulance P transported 2 patients (C and D). These 4 patients were judged to have severe inhalation injuries at the scene and were transported to 2 local hospitals (X and Y). After patients C and D arrived at hospital Y, the medical staff decided to transfer them to the emergency medical service center...
May 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29735228/direct-air-versus-ground-transport-predictors-for-rural-pediatric-trauma
#12
Andrew B Starnes, Babawale Oluborode, Curtis Knoles, Boyd Burns, Henderson McGinnis, Kenneth Stewart
OBJECTIVE: Traumatic injury is the leading cause of mortality in children and the most common cause of emergency medical services transport in pediatric populations. We aimed to identify what factors are currently associated with selection for helicopter transport (HEMS) over ground ambulance (GEMS) in a primarily rural state. METHODS: We performed a retrospective case-control study of trauma patients younger than 18 years old reported to the Oklahoma State Trauma Registry between 2005 and 2014 who received direct transport from the scene of injury to a tertiary trauma center within the state...
May 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29732946/prehospital-trauma-care-among-68-european-neurotrauma-centers-results-of-the-center-tbi-provider-profiling-questionnaires
#13
Maryse C Cnossen, Ruben van den Brande, Hester Lingsma, Suzanne Polinder, Fiona Lecky, Andrew Maas
The first hour following traumatic brain injury (TBI) is considered crucial to prevent death and disability. It is however not established yet how the prehospital care should be organized to optimize recovery during the first hour. The objective of the current study was to examine variation in prehospital trauma care across Europe aiming to inform comparative effectiveness analyses on care for neurotrauma patients. A survey on prehospital trauma care was sent to 68 neurotrauma centers from 20 European countries participating in the CENTER-TBI study...
May 5, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29731496/aeromedical-transport-operations-using-helicopters-during-the-2016-kumamoto-earthquake-in-japan
#14
Tomokazu Motomura, Atsushi Hirabayashi, Hisashi Matsumoto, Nobutaka Yamauchi, Mitsunobu Nakamura, Hiroshi Machida, Kenji Fujizuka, Naomi Otsuka, Tomoko Satoh, Hideaki Anan, Hisayoshi Kondo, Yuichi Koido
More than 6,000 people died in the Great Hanshin (Kobe) Earthquake in 1995, and it was later reported that there were around 500 preventable trauma deaths. In response, the Japanese government developed the helicopter emergency medical service in 2001, known in Japan as the "Doctor-Heli" (DH), which had 46 DHs and 2 private medical helicopters as of April 2016. DHs transport physicians and nurses to provide pre-hospital medical care at the scene of medical emergencies. Following lessons learned in the Great East Japan Earthquake in 2011, a research group in the Ministry of Health, Labour and Welfare developed a command and control system for the DH fleet as well as the Disaster Relief Aircraft Management System Network (D-NET), which uses a satellite communications network to monitor the location of the fleet and weather in real-time during disasters...
2018: Journal of Nippon Medical School, Nippon Ika Daigaku Zasshi
https://www.readbyqxmd.com/read/29730095/body-temperature-change-and-outcomes-in-patients-undergoing-long-distance-air-medical-transport
#15
Mikio Nakajima, Shotaro Aso, Hideo Yasunaga, Masamitsu Shirokawa, Tomotsugu Nakano, Yasuhiko Miyakuni, Hideaki Goto, Yoshihiro Yamaguchi
BACKGROUND: Short-distance air medical transport for adult emergency patients does not significantly affect patients' body temperature and outcomes. This study aimed to examine the influence of long-distance air medical transport on patients' body temperatures and the relationship between body temperature change and mortality. METHODS: We retrospectively enrolled consecutive patients transferred via helicopter or plane from isolated islands to an emergency medical center in Tokyo, Japan between April 2010 and December 2016...
April 30, 2018: American Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29723267/the-maximum-evaporative-potential-of-constant-wear-immersion-suits-influences-the-risk-of-excessive-heat-strain-for-helicopter-aircrew
#16
Andrew P Hunt
The heat exchange properties of aircrew clothing including a Constant Wear Immersion Suit (CWIS), and the environmental conditions in which heat strain would impair operational performance, were investigated. The maximum evaporative potential (im/clo) of six clothing ensembles (three with a flight suit (FLY) and three with a CWIS) of varying undergarment layers were measured with a heated sweating manikin. Biophysical modelling estimated the environmental conditions in which body core temperature would elevate above 38...
2018: PloS One
https://www.readbyqxmd.com/read/29712881/delays-in-the-air-or-ground-transfer-of-patients-for-endovascular-thrombectomy
#17
Robert W Regenhardt, Adam P Mecca, Stephanie A Flavin, Gregoire Boulouis, Arne Lauer, Kori Sauser Zachrison, James Boomhower, Aman B Patel, Joshua A Hirsch, Lee H Schwamm, Thabele M Leslie-Mazwi
BACKGROUND AND PURPOSE: For suspected large vessel occlusion patients efficient transfer to centers that provide endovascular therapy (ET) is critical to maximizing treatment opportunity. Our objective was to examine associations between transfer time, modes of transfer, ET, and outcomes within a hub-and-spoke telestroke network. METHODS: Patients with ischemic stroke were included if transferred to a single hub hospital between January 2011 and October 2015 with National Institutes of Health Stroke Scale>6, onset<12 hours from hub arrival with complete clinical, imaging, and transfer data...
April 30, 2018: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/29698341/early-hospital-discharge-after-helicopter-transport-of-pediatric-trauma-patients-analysis-of-rates-of-over-and-undertriage
#18
Aodhnait S Fahy, Stephanie F Polites, Cornelius A Thiels, Maile Parker, Michael B Ishitani, Christopher R Moir, Kathleen Berns, Scott P Zietlow, Donald H Jenkins, Martin D Zielinski
OBJECTIVES: Helicopter air ambulance (HAA) of pediatric trauma patients is a life-saving intervention. Triage remains a challenge for both scene transport and interhospital transfer of injured children. We aimed to understand whether overtriage or undertriage was a feature of scene or interhospital transfer and how in or out of state transfers affected these rates. METHODS: Children (<18 years) who underwent trauma activation at a level I trauma center between 2011 and 2013 were identified and reviewed...
April 24, 2018: Pediatric Emergency Care
https://www.readbyqxmd.com/read/29673429/lumbar-disc-herniation-in-military-helicopter-pilots-vs-matched-controls
#19
Jeffrey B Knox, J Banks Deal, Jennifer A Knox
INTRODUCTION: Lumbar disc herniation (LDH) is a common injury among active duty service members resulting in missed duty hours and limited duty status. Little is known about the current burden of disease and risk factors for LDH among military rotary wing aviators. METHODS: A query was made using the Defense Medical Epidemiology Database (DMED), including patient encounters for the U.S. Military from 2006-2015 using the ICD-9 code for LDH. Incidence rates were calculated for patients with the occupation of helicopter pilot and stratified by age, gender, and branch of service, then compared to matched controls using a Poisson regression analysis...
May 1, 2018: Aerospace Medicine and Human Performance
https://www.readbyqxmd.com/read/29669612/prehospital-blood-product-administration-opportunities-in-ground-transport-als-ems-a-descriptive-study
#20
Felicia M Mix, Martin D Zielinski, Lucas A Myers, Kathy S Berns, Anurahda Luke, James R Stubbs, Scott P Zietlow, Donald H Jenkins, Matthew D Sztajnkrycer
IntroductionHemorrhage remains the major cause of preventable death after trauma. Recent data suggest that earlier blood product administration may improve outcomes. The purpose of this study was to determine whether opportunities exist for blood product transfusion by ground Emergency Medical Services (EMS). METHODS: This was a single EMS agency retrospective study of ground and helicopter responses from January 1, 2011 through December 31, 2015 for adult trauma patients transported from the scene of injury who met predetermined hemodynamic (HD) parameters for potential transfusion (heart rate [HR]≥120 and/or systolic blood pressure [SBP]≤90)...
April 19, 2018: Prehospital and Disaster Medicine
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