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https://www.readbyqxmd.com/read/29332779/helicopter-emergency-medical-services-literature-2014-to-2016-lessons-and-perspectives-part-1-helicopter-transport-for-trauma
#1
REVIEW
Stephen H Thomas, Ira Blumen
No abstract text is available yet for this article.
January 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29332778/cricothyrotomy-in-helicopter-emergency-medical-service-transport
#2
Kevin High, Jeremy Brywczynski, Jin H Han
OBJECTIVE: Airway management is a requisite skill set for helicopter emergency medical service (HEMS) providers. Cricothyrotomy is a potentially lifesaving skill that is used when other airway maneuvers fail. The authors reviewed all transports by a helicopter program in which cricothyrotomy was performed to assess the frequency, success, and technique. METHODS: This was a retrospective chart review of air medical patient records from an electronic medical record system over a 112-month period...
January 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29332776/compliance-with-a-national-standard-by-norwegian-helicopter-emergency-physicians
#3
Lars Petter Bjørnsen, Andrea Marie Solheim, Oddvar Uleberg, Eirik Skogvoll
OBJECTIVE: The "National Standard Requirements for Helicopter Emergency Medicine Services Physicians" gives recommendations on medical requirements for flight physicians. This study describes the level of formal competence, experience, and guideline compliance of Norwegian helicopter emergency medical service (HEMS) physicians. METHODS: In May 2013, all HEMS physicians with full-time engagement at Norwegian HEMS bases were invited to participate in a cross-sectional survey using a structured, Web-based questionnaire...
January 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29332774/an-analysis-of-intoxicated-patients-transported-by-a-doctor-helicopter
#4
Ikuto Takeuchi, Kazuhiko Omori, Hiroki Nagasawa, Kei Jitsuiki, Takashi Iso, Akihiko Kondo, Kouhei Ishikawa, Hiromichi Ohsaka, Youichi Yanagawa
OBJECTIVE: We retrospectively investigated all of the intoxicated patients who were transported by a doctor helicopter (DH) in eastern Shizuoka between April 2004 and December 2015 to determine when air medical transport was used in cases of toxic exposure. METHODS: Subjects were divided into 2 groups: an outpatient group of subjects who went home after receiving a medical evaluation and treatment and an admission group. RESULTS: The outpatient and admission groups included 17 and 31 subjects, respectively...
January 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29332773/does-medical-staffing-influence-perceived-safety-an-international-survey-on-medical-crew-models-in-helicopter-emergency-medical-services
#5
Kristen Rasmussen, Jo Røislien, Stephen J M Sollid
OBJECTIVE: The competence, composition, and number of crewmembers have generally been considered to influence the degree of patient care and safety in helicopter emergency medical services (HEMS), but evidence to support the advantages of one crew concept over another is ambiguous; additionally, the benefit of physicians as crewmembers is still highly debated. METHODS: To compare perceived safety in different medical crew models, we surveyed international HEMS medical directors regarding the types of crew compositions their system currently used and their supportive rationales and to evaluate patient and flight safety within their services...
January 2018: Air Medical Journal
https://www.readbyqxmd.com/read/29331295/helicopter-mountain-rescue-in-slovenia-from-2011-to-2015
#6
Janina Golob Deeb, Nicholas Walter, Caroline Carrico, Miha Gašperin, George R Deeb
INTRODUCTION: The popularity of adventure recreation in wilderness areas across the world continues to increase. Nevertheless, the risk of injury and illness remains significant. The purpose of this study is to analyze the mountain rescue operations performed in Slovenia between 2011 and 2015. METHODS: This retrospective study reports mountain rescue operations documented by the Slovenian National Mountain Rescue Association. The annual number of ground-based and helicopter-based rescues were identified and compared...
January 10, 2018: Wilderness & Environmental Medicine
https://www.readbyqxmd.com/read/29315473/a-before-and-after-observational-study-of-a-protocol-for-use-of-the-c-mac-videolaryngoscope-with-a-frova-introducer-in-pre-hospital-rapid-sequence-intubation
#7
S Ångerman, H Kirves, J Nurmi
Results using videolaryngoscopy in pre-hospital rapid sequence intubation are mixed. A bougie is not commonly used with videolaryngoscopy. We hypothesised that using videolaryngoscopy and a bougie as core elements of a standardised protocol that includes a drugs and a laryngoscopy algorithm would result in a high first-pass tracheal intubation success rate. We employed videolaryngoscopy (C-MAC) combined with a bougie (Frova intubating introducer) in an anaesthetist-staffed helicopter emergency medical service...
January 8, 2018: Anaesthesia
https://www.readbyqxmd.com/read/29310865/neural-network-disturbance-observer-based-distributed-finite-time-formation-tracking-control-for-multiple-unmanned-helicopters
#8
Dandan Wang, Qun Zong, Bailing Tian, Shikai Shao, Xiuyun Zhang, Xinyi Zhao
The distributed finite-time formation tracking control problem for multiple unmanned helicopters is investigated in this paper. The control object is to maintain the positions of follower helicopters in formation with external interferences. The helicopter model is divided into a second order outer-loop subsystem and a second order inner-loop subsystem based on multiple-time scale features. Using radial basis function neural network (RBFNN) technique, we first propose a novel finite-time multivariable neural network disturbance observer (FMNNDO) to estimate the external disturbance and model uncertainty, where the neural network (NN) approximation errors can be dynamically compensated by adaptive law...
January 5, 2018: ISA Transactions
https://www.readbyqxmd.com/read/29289392/abnormalities-of-laboratory-coagulation-tests-versus-clinically-evident-coagulopathic-bleeding-results-from-the-prehospital-resuscitation-on-helicopters-study-prohs
#9
Ronald Chang, Erin E Fox, Thomas J Greene, Michael D Swartz, Stacia M DeSantis, Deborah M Stein, Eileen M Bulger, Sherry M Melton, Michael D Goodman, Martin A Schreiber, Martin D Zielinski, Terence O'Keeffe, Kenji Inaba, Jeffrey S Tomasek, Jeanette M Podbielski, Savitri Appana, Misung Yi, Pär I Johansson, Hanne H Henriksen, Jakob Stensballe, Jacob Steinmetz, Charles E Wade, John B Holcomb
BACKGROUND: Laboratory-based evidence of coagulopathy (LC) is observed in 25-35% of trauma patients, but clinically-evident coagulopathy (CC) is not well described. METHODS: Prospective observational study of adult trauma patients transported by helicopter from the scene to nine Level 1 trauma centers in 2015. Patients meeting predefined highest-risk criteria were divided into CC+ (predefined as surgeon-confirmed bleeding from uninjured sites or injured sites not controllable by sutures) or CC-...
December 27, 2017: Surgery
https://www.readbyqxmd.com/read/29278872/long-term-effects-of-exercise-programs-among-helicopter-pilots-with-flying-related-lbp
#10
Knut Andersen, Roald Baardsen, Ingvild Dalen, Jan Petter Larsen
BACKGROUND: Flying related transient Low Back Pain (LBP) among helicopter pilots is considered an occupational distress. OBJECTIVE: To examine if exercise programs can alleviate transient LBP. METHODS: Sixty-five helicopter pilots (92% males), all reporting flying related LBP, responded to an epidemiological survey and a long-term follow-up, 44.8 months later, comprising questions regarding transient LBP and number of sick leaves. Data from 37 pilots participating in two exercise programs, A; general for LBP, B; focused for lumbar trunk (LT), included information from clinical examinations and muscular endurance tests of the LT before and after intervention...
December 15, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29258783/air-versus-ground-transportation-in-isolated-severe-head-trauma-a-national-trauma-data-bank-study
#11
Alberto Aiolfi, Elizabeth Benjamin, Gustavo Recinos, Alejandro De Leon Castro, Kenji Inaba, Demetrios Demetriades
BACKGROUND: The effect of prehospital helicopter emergency medical services (HEMS) on mortality has been analyzed previously in polytrauma patients with discordant results. OBJECTIVE: Our aim was to compare outcomes in patients with isolated severe blunt traumatic brain injuries (TBIs) transported by HEMS or ground emergency medical services (GEMS). METHODS: We conducted a National Trauma Data Bank study (2007-2014). All adult patients (≥16 years old) who sustained an isolated severe blunt TBI and were transported by HEMS or GEMS were included in the study...
December 16, 2017: Journal of Emergency Medicine
https://www.readbyqxmd.com/read/29251708/speed-isn-t-everything-identifying-patients-who-may-benefit-from-helicopter-transport-despite-faster-ground-transport
#12
Xilin Chen, Mark L Gestring, Matthew R Rosengart, Timothy R Billiar, Andrew B Peitzman, Jason L Sperry, Joshua B Brown
BACKGROUND: Helicopter emergency medical services (HEMS) have demonstrated survival benefits over ground emergency medical services (GEMS) for trauma patient transport. While HEMS speed is often-cited, factors such as provider experience and level of care may also play a role. Our objective was to identify patient groups that may benefit from HEMS even when prehospital time for helicopter utilization is longer than GEMS transport. METHODS: Adult patients transported by HEMS or GEMS from the scene of injury in the Pennsylvania State Trauma Registry were included...
December 14, 2017: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29240112/frequency-modulated-multifunction-lidar-for-anemometry-range-finding-and-velocimetry-2-experimental-results
#13
P Feneyrou, L Leviandier, J Minet, G Pillet, A Martin, D Dolfi, J-P Schlotterbeck, P Rondeau, X Lacondemine, A Rieu, T Midavaine
Frequency-modulated continuous-wave lidar is evaluated for range finding, velocimetry, and laser anemometry. An original signal processing and waveform calibration for range finding leads to a reduction of computational effort while preserving capability for long-range measurement. Multiple target distance measurement is also demonstrated. For laser anemometry, the aim is to avoid parasitic echoes in the vicinity of a helicopter and to measure the air speed at the shortest distance farther than the rotor-induced turbulent volume around the helicopter...
December 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/29240111/frequency-modulated-multifunction-lidar-for-anemometry-range-finding-and-velocimetry-1-theory-and-signal-processing
#14
P Feneyrou, L Leviandier, J Minet, G Pillet, A Martin, D Dolfi, J-P Schlotterbeck, P Rondeau, X Lacondemine, A Rieu, T Midavaine
Original waveforms and optimized signal processing are proposed for frequency-modulated continuous-wave lidar for range finding, velocimetry, and laser anemometry. For range finding, the aim of this signal processing is to extend lidar range and reduce ambiguities. Moreover, the effect of moderate atmospheric turbulence on lidar efficiency is analyzed for infinite and finite targets, taking into account wind-induced bistatism. For laser anemometry, the aim is to measure air speed at the shortest distance farther than the rotor-induced turbulent volume around the helicopter and to avoid parasitic echoes coming from clouds or hard targets in the vicinity of a helicopter...
December 10, 2017: Applied Optics
https://www.readbyqxmd.com/read/29228515/aging-and-cardiometabolic-risk-in-european-hems-pilots-an-assessment-of-occupational-old-age-limits-as-a-regulatory-risk-management-strategy
#15
Hans Bauer, Dennis Nowak, Britta Herbig
Old-age limits are imposed in some occupations in an effort to ensure public safety. In aviation, the "Age 60 Rule" limits permissible flight operations conducted by pilots aged 60 and over. Using a retrospective cohort design, we assessed this rule's validity by comparing age-related change rates of cardiometabolic incapacitation risk markers in European helicopter emergency medical service (HEMS) pilots near age 60 with those in younger pilots. Specifically, individual clinical, laboratory, and electrocardiogram (ECG)-based risk markers and an overall cardiovascular event risk score were determined from aeromedical examination records of 66 German, Austrian, Polish, and Czech HEMS pilots (average follow-up 8...
December 11, 2017: Risk Analysis: An Official Publication of the Society for Risk Analysis
https://www.readbyqxmd.com/read/29208018/noise-exposure-during-prehospital-emergency-physicians-work-on-mobile-emergency-care-units-and-helicopter-emergency-medical-services
#16
Mads Christian Tofte Hansen, Jesper Hvass Schmidt, Anne C Brøchner, Jakob Kjersgaard Johansen, Stine Zwisler, Søren Mikkelsen
BACKGROUND: Prehospital personnel are at risk of occupational hearing loss due to high noise exposure. The aim of the study was to establish an overview of noise exposure during emergency responses in Mobile Emergency Care Units (MECU), ambulances and Helicopter Emergency Medical Services (HEMS). A second objective was to identify any occupational hearing loss amongst prehospital personnel. METHODS: Noise exposure during work in the MECU and HEMS was measured using miniature microphones worn laterally to the auditory canals or within the earmuffs of the helmet...
December 6, 2017: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
https://www.readbyqxmd.com/read/29206624/use-of-highways-in-the-sky-and-a-virtual-pad-for-landing-head-up-display-symbology-to-enable-improved-helicopter-pilots-situation-awareness-and-workload-in-degraded-visual-conditions
#17
Neville A Stanton, Katherine L Plant, Aaron P Roberts, Craig K Allison
Flight within degraded visual conditions is a great challenge to pilots of rotary-wing craft. Environmental cues typically used to guide interpretation of speed, location and approach can become obscured, forcing the pilots to rely on data available from in-cockpit instrumentation. To ease the task of flight during degraded visual conditions, pilots require easy access to flight critical information. The current study examined the effect of "Highways in the Sky" symbology and a conformal virtual pad for landing presented using a Head Up Display (HUD) on pilots' workload and situation awareness for both clear and degraded conditions across a series of simulated rotary-wing approach and landings...
December 5, 2017: Ergonomics
https://www.readbyqxmd.com/read/29194745/biomechanical-tolerance-of-whole-lumbar-spines-in-straightened-posture-subjected-to-axial-acceleration
#18
Brian D Stemper, Sajal Chirvi, Ninh Doan, Jamie L Baisden, Dennis J Maiman, William H Curry, Narayan Yoganandan, Frank A Pintar, Glenn Paskoff, Barry S Shender
Quantification of biomechanical tolerance is necessary for injury prediction and protection of vehicular occupants. This study experimentally quantified lumbar spine axial tolerance during accelerative environments simulating a variety of military and civilian scenarios. Intact human lumbar spines (T12-L5) were dynamically loaded using a custom-built drop tower. Twenty-three specimens were tested at sub-failure and failure levels consisting of peak axial forces between 2.6 and 7.9 kN and corresponding peak accelerations between 7 and 57 g...
December 1, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29189297/are-on-scene-blood-transfusions-by-a-helicopter-emergency-medical-service-useful-and-safe-a-multicentre-case-control-study
#19
Joost H Peters, Pascal S H Smulders, Xavier R J Moors, Stef J M Bouman, Claartje M E M Meijs, Nico Hoogerwerf, Michael J R Edwards
INTRODUCTION: In the prehospital setting, crystalloid fluids are frequently used, but only erythrocytes are capable of transporting oxygen to tissues. The aim of this study was to establish the efficacy and safety of the prehospital use of uncross matched type O rhesus-negative packed red blood cells (URBC) by the Dutch physician-staffed helicopter emergency medical service. We hypothesized that prehospital URBC transfusions are safe and more effective with respect to survival than resuscitations with crystalloids...
November 17, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
https://www.readbyqxmd.com/read/29187218/open-stent-graft-repair-with-upper-half-sternotomy-for-blunt-thoracic-aortic-injury-a-case-report
#20
Toshinori Komatsu, Tamaki Takano, Hiromu Kehara, Megumi Fuke, Takamitsu Terasaki, Masayuki Sakaguchi
BACKGROUND: Thoracic endovascular aortic repair is now widely applied to the treatment of blunt aortic injury. However, its long-term outcomes remain unclear. Endoleakage and migration might occur in the long term, especially when younger patients undergo endovascular aortic repair. In open stent grafting, the proximal end of the open stent graft is directly sutured to the native aorta, which may reduce the risk of endoleakage and migration. We applied open stent grafting to the treatment of blunt aortic injury in the subacute phase and herein report the patient's clinical course...
November 29, 2017: Journal of Cardiothoracic Surgery
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