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Saul N Rajak, Shyamala C Huilgol, Masahiro Murakami, Dinesh Selva
PURPOSE: Propeller flaps are island flaps that reach the recipient site through an axial rotation. The flap has a subcutaneous pedicle on which it pivots, thereby resembling a helicopter propeller. We present our series of propeller flaps for the reconstruction of large eyelid defects. METHODS: This is a retrospective review of the clinical case notes of eight patients that underwent tumour excision with reconstruction with a cutaneous propeller flap supplied by a non-perforator orbicularis pedicle between July and December 2016...
March 14, 2018: Eye
Federico Sucunza, Daniel Danilewicz, Marta Cremer, Artur Andriolo, Alexandre N Zerbini
Estimation of visibility bias is critical to accurately compute abundance of wild populations. The franciscana, Pontoporia blainvillei, is considered the most threatened small cetacean in the southwestern Atlantic Ocean. Aerial surveys are considered the most effective method to estimate abundance of this species, but many existing estimates have been considered unreliable because they lack proper estimation of correction factors for visibility bias. In this study, helicopter surveys were conducted to determine surfacing-diving intervals of franciscanas and to estimate availability for aerial platforms...
2018: PloS One
Katarzyna Naylor, Anna Torres, Robert Gałązkowski, Kamil Torres
INTRODUCTION: Paramedics are at risk of occupational exposure, increased by the immediacy of provided treatment. However, the issue has not been acknowledged by any research in Europe up to date. METHODS: The research aimed at assessing the occupational blood exposure among paramedics in Poland. Respondents represented 21 Polish medical institutions. Their participation was voluntary and anonymous. Paramedics were provided with a self-directed job specific questionnaire adapted to Polish conditions from an original North American version...
March 9, 2018: International Journal of Occupational Safety and Ergonomics: JOSE
Timothy A Mitchener, Noel E Dickens, John W Simecek
Background: Few studies have examined the causes or mechanisms of oral-maxillofacial (OMF) injury among deployed military populations. This study reports causes of OMF injuries to U.S. Department of Defense personnel deployed to Afghanistan in Operation Enduring Freedom (OEF) or to Iraq in Operation Iraqi Freedom (OIF) and Operation New Dawn (OND). This study provides follow-on analysis of a previous report of OMF injury rates among U.S. military personnel in Iraq and Afghanistan from 2001 to 2014...
March 1, 2018: Military Medicine
Meredith McGinley
While previous research has established links among multiple aspects of parenting, empathy, and prosocial behaviors in youth, little is known regarding the relations between helicopter parenting, a particular type of parental over control, and empathy and prosocial behaviors (Padilla-Walker, 2014). Because helicopter parenting could undermine empathic and prosocial outcomes by negatively impacting self-regulatory behaviors and promoting narcissistic tendencies (Padilla-Walker, 2014; Segrin, Woszidlo, Givertz, Bauer, & Murphy, 2012; Segrin, Woszidlo, Givertz, & Montgomery, 2013), the author sought to examine potential relationships among these constructs...
March 6, 2018: Journal of Genetic Psychology
Zhongjie Huang, Leonidas Siozos-Rousoulis, Tim De Troyer, Ghader Ghorbaniasl
This paper presents a time-domain method for noise prediction of supersonic rotating sources in a moving medium. The proposed approach can be interpreted as an extensive time-domain solution for the convected permeable Ffowcs Williams and Hawkings equation, which is capable of avoiding the Doppler singularity. The solution requires special treatment for construction of the emission surface. The derived formula can explicitly and efficiently account for subsonic uniform constant flow effects on radiated noise...
February 2018: Proceedings. Mathematical, Physical, and Engineering Sciences
K S Funder, L S Rasmussen, V Siersma, N Lohse, R Hesselfeldt, F Pedersen, O M Hendriksen, J Steinmetz
BACKGROUND: Implementation of the first Danish helicopter emergency medical service (HEMS) was associated with reduced time from first medical contact to treatment at a specialized centre for patients with suspected ST elevation myocardial infarction (STEMI). We aimed to investigate effects of HEMS on mortality and labour market affiliation in patients admitted for primary percutaneous coronary intervention (PCI). METHODS: In this prospective observational study, we included patients with suspected STEMI within the region covered by the HEMS from January 1, 2010, to April 30, 2013, transported by either HEMS or ground emergency medical services (GEMS) to the regional PCI centre...
February 27, 2018: Acta Anaesthesiologica Scandinavica
Huiliao Yang, Bin Jiang, Hao Yang, Hugh H T Liu
The distributed cooperative control strategy is proposed to make the networked nonlinear 3-DOF helicopters achieve the attitude synchronization in the presence of actuator faults and saturations. Based on robust adaptive control, the proposed control method can both compensate the uncertain partial loss of control effectiveness and deal with the system uncertainties. To address actuator saturation problem, the control scheme is designed to ensure that the saturation constraint on the actuation will not be violated during the operation in spite of the actuator faults...
February 22, 2018: ISA Transactions
Marc P Dotson, Mark L Gustafson, Alfred Tager, Leslie M Peterson
OBJECTIVE: Simulation training is an integral part of the training of medical personnel. However, there are limited data on the use of simulation in the training of helicopter emergency medical services (HEMS). METHODS: In this study, we retrospectively compared the number of orientation flights needed to be released to a full crewmember and the cost of training in an air medical flight academy before and after implementation of a high-fidelity air medical simulator...
March 2018: Air Medical Journal
Stephen H Thomas, Ira Blumen
No abstract text is available yet for this article.
March 2018: Air Medical Journal
Youichi Yanagawa, Kouhei Ishikawa, Ikuto Takeuchi, Hiroki Nagasawa, Kei Jitsuiki, Hiromichi Ohsaka, Kazuhiko Omori
The local fire department executed a training simulation for chemical and explosive incidents at a large sports facility. In this training simulation, a physician-staffed helicopter arrived at the request of the fire department and landed just outside the cold zone in the parking area. The doctor and nurse of the helicopter were escorted to a red area in the cold zone, which was selected based on the results of postdecontamination triage. After the patients had been treated, they were air medically evacuated to the base hospital...
March 2018: Air Medical Journal
Brodie Nolan, Alun Ackery, Avery Nathens, Bruce Sawadsky, Homer Tien
INTRODUCTION: In our trauma system, helicopter emergency medical services (HEMS) can be requested to attend a scene call for an injured patient before arrival by land paramedics. Land paramedics can cancel this response if they deem it unnecessary. The purpose of this study is to describe the frequency of canceled HEMS scene calls that were subsequently transferred to 2 trauma centers and to assess for any impact on morbidity and mortality. METHODS: Probabilistic matching was used to identify canceled HEMS scene call patients who were later transported to 2 trauma centers over a 48-month period...
March 2018: Air Medical Journal
Rein Ketelaars, Christian Beekers, Geert-Jan Van Geffen, Gert Jan Scheffer, Nico Hoogerwerf
BACKGROUND: Patients in cardiac arrest must receive algorithm-based management such as basic life support and advanced (cardiac) life support. International guidelines dictate diagnosing and treating any factor that may have caused the arrest or may be complicating the resuscitation. Ultrasound may be of potential value in this process and can be used in a prehospital setting. The objective is to evaluate the use of prehospital ultrasound during traumatic and non-traumatic CPR and determine its impact on prehospital treatment decisions in a Dutch helicopter emergency medical service (HEMS)...
February 22, 2018: Prehospital Emergency Care
David J Olvera, David F E Stuhlmiller, Allen Wolfe, Charles F Swearingen, Troy Pennington, Daniel P Davis
INTRODUCTION: Airway management is a critical skill for air medical providers, including the use of rapid sequence intubation (RSI) medications. Mediocre success rates and a high incidence of complications has challenged air medical providers to improve training and performance improvement efforts to improve clinical performance. OBJECTIVES: The aim of this research was to describe the experience with a novel, integrated advanced airway management program across a large air medical company and explore the impact of the program on improvement in RSI success...
February 21, 2018: Prehospital Emergency Care
Kyohei Miyamoto, Naoaki Shibata, Tsuyoshi Nakashima, Seiya Kato
OBJECTIVE: This study aimed to evaluate the predictive ability of quick sequential organ failure assessment (qSOFA) score for in-hospital mortality among patients transported by physician-staffed helicopters. METHODS: We conducted a single-center, retrospective observational study using the physician-staffed helicopter registry data between 2003 and 2016. We calculated the qSOFA scores based on the patients' vital signs, which were measured on the scene. The tool's discriminatory ability was determined using the area under the curve of the receiver operating characteristic...
February 10, 2018: American Journal of Emergency Medicine
Francesco Ciampa, Pooya Mahmoodi, Fulvio Pinto, Michele Meo
Active infrared thermography is a fast and accurate non-destructive evaluation technique that is of particular relevance to the aerospace industry for the inspection of aircraft and helicopters' primary and secondary structures, aero-engine parts, spacecraft components and its subsystems. This review provides an exhaustive summary of most recent active thermographic methods used for aerospace applications according to their physical principle and thermal excitation sources. Besides traditional optically stimulated thermography, which uses external optical radiation such as flashes, heaters and laser systems, novel hybrid thermographic techniques are also investigated...
February 16, 2018: Sensors
Philip Emerson, Naomi Dodds, David R Green, Jan O Jansen
Background: Critical illness requires specialist and timely management. The aim of this study was to create a geographic accessibility profile of the Scottish population to emergency departments and intensive care units. Methods: This was a descriptive, geographical analysis of population access to 'intermediate' and 'definitive' critical care services in Scotland. Access was defined by the number of people able to reach services within 45 to 60 min, by road and by helicopter...
February 2018: Journal of the Intensive Care Society
Stefan Heschl, Ben Meadley, Emily Andrew, Warwick Butt, Stephen Bernard, Karen Smith
INTRODUCTION: Prehospital airway management of the paediatric patient with traumatic brain injury (TBI) is controversial. Endotracheal intubation of children in the field requires specific skills and has potential benefits but also carries potentially serious complications. We aimed to compare mortality and functional outcomes after six months between children with TBI who either underwent prehospital rapid sequence intubation (RSI) by trained Intensive Care paramedics (ICP) or received no intubation...
February 12, 2018: Injury
Marc Blancher, François Albasini, Fidel Elsensohn, Ken Zafren, Natalie Hölzl, Kyle McLaughlin, Albert R Wheeler, Steven Roy, Hermann Brugger, Mike Greene, Peter Paal
Blancher, Marc, François Albasini, Fidel Elsensohn, Ken Zafren, Natalie Hölzl, Kyle McLaughlin, Albert R. Wheeler III, Steven Roy, Hermann Brugger, Mike Greene, and Peter Paal. Management of multi-casualty incidents in mountain rescue. High Alt Med Biol. 00:000-000, 2018. INTRODUCTION: Multi-Casualty Incidents (MCI) occur in mountain areas. Little is known about the incidence and character of such events, and the kind of rescue response. Therefore, the International Commission for Mountain Emergency Medicine (ICAR MEDCOM) set out to provide recommendations for the management of MCI in mountain areas...
February 15, 2018: High Altitude Medicine & Biology
Benjamin T Miller, Andrew H Lin, Susan C Clark, Andrew P Cap, Joseph J Dubose
BACKGROUND: The U.S. Navy's casualty-receiving ships provide remote damage control resuscitation (RDCR) platforms to treat injured combatants deployed afloat and ashore. We report a significant mass casualty incident aboard the USS Bataan, and the most warm fresh whole blood (WFWB) transfused at sea for traumatic hemorrhagic shock since the Vietnam War. METHODS: Casualty-receiving ships have robust medical capabilities, including a frozen blood bank with packed red blood cells (pRBC) and fresh frozen plasma (FFP)...
February 13, 2018: Journal of Trauma and Acute Care Surgery
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