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Air medical transport

Alexander Maslowski, Adam Wang, Mingshan Sun, Todd Wareing, Ian Davis, Josh Star-Lack
PURPOSE: To describe Acuros® CTS, a new software tool for rapidly and accurately estimating scatter in x-ray projection images by deterministically solving the linear Boltzmann transport equation (LBTE). METHODS: The LBTE describes the behavior of particles as they interact with an object across spatial, energy, and directional (propagation) domains. Acuros CTS deterministically solves the LBTE by modeling photon transport associated with an x-ray projection in three main steps: 1) Ray tracing photons from the x-ray source into the object where they experience their first scattering event and form scattering sources...
March 6, 2018: Medical Physics
Ingrid Frid, Johan Ågren, Mattias Kjellberg, Erik Normann, Richard Sindelar
AIM: This study evaluated the medical quality of acute airborne transports carried out by a neonatal emergency transport service in a Swedish healthcare region from 2012-2015. METHODS: The transport charts and patient records of all infants transported to the regional centre were reviewed for transport indications and vital parameters and outcomes. RESULTS: We identified 187 acute airborne transports and the main indications for referral were therapeutic hypothermia after perinatal asphyxia, extremely preterm birth and respiratory failure...
February 26, 2018: Acta Paediatrica
Marcy Phipps, Virginia Conley, William H Constantine
INTRODUCTION: Despite the prevalence of fixed wing medical flights for specialized care and repatriation, few acuity rating scales exist aimed at the prediction of adverse in-flight medical events. An acuity scoring system can provide information to flight crews, allowing for staffing enhancements, protocol modifications, and flight planning, with the aim of improving patient care, outcomes, and preventing losses to providers because of costly diversions. METHODS: Our medical crew developed an acuity scale, which was applied retrospectively to 296 patients transported between January 2016 and March 2017...
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
Ryan J Reichert, Megan Gothard, M David Gothard, Hamilton P Schwartz, Michael T Bigham
INTRODUCTION: Tracheal intubation (TI) is a lifesaving critical care skill. Failed TI attempts, however, can harm patients. Critical care transport (CCT) teams function as the first point of critical care contact for patients being transported to tertiary medical centers for specialized surgical, medical, and trauma care. The Ground and Air Medical qUality in Transport (GAMUT) Quality Improvement Collaborative uses a quality metric database to track CCT quality metric performance, including TI...
February 21, 2018: Prehospital Emergency Care
Marios-Nikolaos Kouskoukis, Charalambos Botsaris
BACKGROUND: Telemedicine units and information technology systems provide special healthcare services to remote populations using telecommunication technology, in order to reduce or even remove the usual and typical face-to-face contact between doctor and patient. This innovative approach to medical care delivery has been expanding for several years and currently covers various medical specialties. OBJECTIVE: To facilitate installation of telemedicine systems/units in Greek remote areas, this article presents results of a cost-benefit analysis for two Greek islands, Patmos and Leros, using specific economic criteria...
June 2017: PharmacoEconomics Open
Atsushi Kawaguchi, Charlene C Nielsen, Gonzalo G Guerra, L Duncan Saunders, Yutaka Yasui, Allan DeCaen
OBJECTIVE: Specialized pediatric critical care transport teams are essential to pediatric retrieval systems. This study aims to describe the contemporary transports performed by a Canadian pediatric critical care transport team and to compare the treatment and outcomes of children referred from high-level care (hospitals offering pediatric services where an adult ICU exists) and nonhigh-level care (all other hospitals) hospitals. DESIGN: A descriptive cohort study...
February 5, 2018: Pediatric Critical Care Medicine
Brian G Cornelius, Karen McCarty, Kristi Hylan, Angela Cornelius, Keith Carter, Kenneth W G Smith, Srdan Ristic, Daniel Vining, Urska Cvek, Marjan Trutschl
The MATTERs and CRASH-2 studies demonstrate that tranexamic acid (TXA) reduces mortality in patients with traumatic hemorrhage. However, their results, conducted in foreign countries and with U.S. military soldiers, provoke concerns over generalizability to civilian trauma patients in the United States was reported. The evaluation of patient outcomes following treatment with TXA by a civilian air medical program. A retrospective chart review of trauma patients transported by air service to a Level 1 trauma center was conducted...
January 2018: Advanced Emergency Nursing Journal
Jeum-Nam Kim, Byung-Mu Lee
Frequent air travelers and airplane pilots may develop various types of illnesses. The environmental risk factors associated with air travel syndromes (ATS) or air travel-related adverse health outcomes raised concerns and need to be assessed in the context of risk management and public health. Accordingly, the aim of the present review was to determine ATS, risk factors, and mechanisms underlying ATS using scientific data and information obtained from Medline, Toxline, and regulatory agencies. Additional information was also extracted from websites of organizations, such as the International Air Transport Association (IATA), International Association for Medical Assistance to Travelers (IAMAT), and International Civil Aviation Organization (ICAO)...
January 17, 2018: Journal of Toxicology and Environmental Health. Part B, Critical Reviews
Etzer Augustin, Michael Karsy, Jim Bryan, Jian Guan, Richard H Schmidt
Tension pneumocephalus is a rare but dangerous complication of craniotomy, sinus surgery, and traumatic cranial injury. Compared with simple pneumocephalus, which often resolves spontaneously over the course of a few days, tension pneumocephalus tends to increase with ongoing cerebrospinal fluid leak and requires immediate neurosurgical treatment to prevent cerebral herniation. Air transport of patients with tension pneumocephalus for neurosurgical care entails a risk of neurologic worsening because of changes in ambient air pressure with altitude and cabin pressurization...
January 2018: Air Medical Journal
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
Lisa A Davidson, Richard B Utarnachitt, Andrew Mason, Taylor Sawyer
OBJECTIVE: We developed a Neonatal Intubation Checklist for Airlift Northwest. Our goal was to improve the preparation, technical proficiency, and safety of neonatal intubation without increasing the time required to perform the procedure. METHODS: The Neonatal Intubation Checklist, a "call and response" checklist for neonatal intubation, was developed. Its effectiveness was evaluated during a baseline assessment and 2 practice sessions after a checklist orientation...
January 2018: Air Medical Journal
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
X He, S Karra, P Pakseresht, S V Apte, S Elghobashi
High-fidelity, predictive fluid flow simulations of the interactions between the rising thermal plumes from forced air warming blower and the ultraclean ventilation air in an operating (OR) are conducted to explore whether this complex flow can impact the dispersion of squames to the surgical site. A large-eddy simulation (LES), accurately capturing the spatio-temporal evolution of the flow in three-dimensions together with the trajectories of squames, is performed for a realistic OR consisting of an operating table (OT), side tables, surgical lamps, medical staff, and a patient...
January 9, 2018: International Journal for Numerical Methods in Biomedical Engineering
Zhiqian Song, Chenlong Xu, Xia Sheng, Xinjian Feng, Lei Jiang
The utilization of hydrogen peroxide (H2 O2 ) cathodic reaction is an ideal approach to develop reliable biosensors that are immune to interferences arising from oxidizable endogenous/exogenous species in biological solutions. However, practical application of such a detection scheme is limited due to the significantly fluctuating oxygen levels in solutions, as oxygen can be reduced at similar potentials. Herein, this limitation is addressed by developing a novel electrode system with superhydrophobicity-mediated air-liquid-solid joint interfaces, which allows the rapid and continuous transport of oxygen from the air phase to the electrode surface and provides a fixed interfacial oxygen concentration...
December 27, 2017: Advanced Materials
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
Magda Cepeda, Josje Schoufour, Rosanne Freak-Poli, Chantal M Koolhaas, Klodian Dhana, Wichor M Bramer, Oscar H Franco
BACKGROUND: Controversy exists about the differences in air pollution exposure and inhalation dose between mode of transport. We aimed to review air pollution exposure and inhaled dose according to mode of transport and pollutant and their effect in terms of years of life expectancy (YLE). METHODS: In this systematic review, we searched ten online databases from inception to April 13, 2016, without language or temporal restrictions, for cohort, cross-sectional, and experimental studies that compared exposure to carbon monoxide, black carbon, nitrogen dioxide, and fine and coarse particles in active commuters (pedestrian or cyclist) and commuters using motorised transport (car, motorcycle, bus, or massive motorised transport [MMT-ie, train, subway, or metro])...
January 2017: Lancet. Public Health
Mark G Shrime, Mirjam Hamer, Swagoto Mukhopadhyay, Lauren M Kunz, Nathan H Claus, Kirsten Randall, Joannita H Jean-Baptiste, Pierre H Maevatombo, Melissa P S Toh, Jasmin R Biddell, Ria Bos, Michelle White
Background: 81 million people face impoverishment from surgical costs every year. The majority of this impoverishment is attributable to the non-medical costs of care-for transportation, for food and for lodging. Of these, transportation is the largest, but because it is not viewed as an actual medical cost, it is frequently unaddressed. This paper examines the effect on surgical utilisation of paying for transportation. Methods: A hierarchical logistic regression was performed on 2692 patients presenting for surgical care to a non-governmental organisation operating in the Republic of the Congo, Guinea and Madagascar...
2017: BMJ Global Health
Weeberb J Requia, Christopher D Higgins, Matthew D Adams, Moataz Mohamed, Petros Koutrakis
Little work has accounted for congestion, using data that reflects driving patterns, traffic volume, and speed, to examine the association between traffic emissions and human health. In this study, we performed a health risk assessment of PM2.5 emissions during congestion periods in the Greater Toronto and Hamilton Area (GTHA), Canada. Specifically, we used a micro-level approach that combines the Stochastic User Equilibrium Traffic Assignment Algorithm with a MOVES emission model to estimate emissions considering congestion conditions...
February 2018: Environment International
Mehdi Mejdoubi, Mathieu Schertz, Sylvia Zanolla, Hossein Mehdaoui, Michel Piotin
BACKGROUND AND PURPOSE: Because of the small number of yearly cases of ruptured cerebral aneurysms, endovascular treatment is not performed in Martinique. Therefore, patients from Martinique are sent 7000 km to Paris on commercial flights as soon as possible, where treatment is performed. Nontransportable patients are treated locally with either surgery or symptomatic care. The objective of our study was to assess patient outcomes and safety of this treatment strategy. METHODS: We retrospectively examined all cases of aneurysmal subarachnoid hemorrhage in Martinique diagnosed during 2004 to 2013...
November 21, 2017: Stroke; a Journal of Cerebral Circulation
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