Blar i Bergen Open Research Archive på forfatter "Østerås, Øyvind"
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Acute medical missions by helicopter medical service (HEMS) to municipalities with different approach for primary care physicians
Nystøyl, Dag Ståle; Østerås, Øyvind; Hunskaar, Steinar; Zakariassen, Erik (Journal article; Peer reviewed, 2022)Background The prehospital emergency system in Norway involves out-of-hours (OOH) services with on-call physicians. Helicopter emergency medical service (HEMS) are used in cases of severe illness or trauma that require ... -
Comparison of three different prehospital wrapping methods for preventing hypothermia - a crossover study in humans
Thomassen, Øyvind; Færevik, Hilde; Østerås, Øyvind; Sunde, Geir Arne; Zakariassen, Erik; Sandsund, Mariann; Heltne, Jon-Kenneth; Brattebø, Guttorm (Peer reviewed; Journal article, 2011-06-23)Background: Accidental hypothermia increases mortality and morbidity in trauma patients. Various methods for insulating and wrapping hypothermic patients are used worldwide. The aim of this study was to compare the thermal ... -
Coordinating Mechanisms Are More Important Than Team Processes for Geographically Dispersed Emergency Dispatch and Paramedic Teams
Johnsen, Bjørn Helge; Espevik, Roar; Eid, Jarle; Østerås, Øyvind; Jacobsen, Johan Kolstad; Brattebø, Guttorm (Journal article; Peer reviewed, 2022-03-08)In recent decades there has been an increased emphasis on non-technical skills in medical teams. One promising approach that relates teamwork to medical efficiency is the theory of Shared Mental Models (SMM). The aim of ... -
Factors influencing on-scene time in a rural Norwegian helicopter emergency medical service: A retrospective observational study
Østerås, Øyvind; Heltne, Jon-Kenneth; Vikenes, Bjarne H; Assmus, Jörg; Brattebø, Guttorm (Peer reviewed; Journal article, 2017-09-21)Background: Critically ill patients need to be immediately identified, properly managed, and rapidly transported to definitive care. Extensive prehospital times may increase mortality in selected patient groups. The on-scene ... -
General practitioners not available – out-of-hospital emergency patients handled by anaesthesiologist in a large Norwegian municipality
Hauståker, Henrik; Østerås, Øyvind; Nystøyl, Dag Ståle; Heltne, Jon-Kenneth; Zakariassen, Erik (Journal article; Peer reviewed, 2021)Background Until autumn 2018 the GPs in Bergen Municipality did not attend emergency patients outside the emergency primary care centre. The ambulance staff handled emergencies on their own or were assisted by an ... -
Hastegradsvurdering av akutt syke barn transportert i ambulanse
Høyvik, Heidrun Eitungjerde; Straume, Vegard; Østerås, Øyvind; Engan, Mette (Journal article; Peer reviewed, 2024)BAKGRUNN Helse Vest benytter en modifisert versjon av hastegradsverktøyet South African Triage Scale, SATS Norge (SATS-N), i alle akuttmottak og ambulansetjenester i regionen. Formålet med studien var å undersøke ... -
Helicopter emergency medical service (HEMS) activity after increased distance to out-of-hours services: an observational study from Norway
Nystøyl, Dag Ståle; Røislien, Jo; Østerås, Øyvind; Hunskår, Steinar; Breidablik, Hans Johan; Zakariassen, Erik (Journal article; Peer reviewed, 2020-11-20)Background Organizational changes in out-of-hour (OOH) services may have unintended consequences for other prehospital services. Reports indicate an increased use of helicopter emergency medical services (HEMS) after ... -
Helicopter-based Emergency Medical Service: dispatches, decisions and patient outcome
Østerås, Øyvind (Doctoral thesis, 2019-09-12)Introduction: Although Norway has one of the most developed air ambulance services in the world, its helicopter emergency medical service (HEMS) capacity is limited. Few studies have assessed the medical decisions involved ... -
Helicopter-based emergency medical services for a sparsely populated region: A study of 42,500 dispatches
Østerås, Øyvind; Brattebø, Guttorm; Heltne, Jon-Kenneth (Peer reviewed; Journal article, 2016-05)Background: The Helicopter Emergency Medical Service (HEMS) in Norway is operated day and night, despite challenging geography and weather. In Western Norway, three ambulance helicopters, with a rapid response car as an ... -
Loss of life years due to unavailable helicopter emergency medical service: a single base study from a rural area of Norway
Zakariassen, Erik; Østerås, Øyvind; Nystøyl, Dag Ståle; Breidablik, Hans Johan; Solheim, Eivind; Brattebø, Guttorm; Ellensen, Vegard Skalstad; Hoff, Jana Midelfart; Hordnes, Knut; Aksnes, Arne; Heltne, Jon-Kenneth; Hunskaar, Steinar; Hotvedt, Ragnar (Peer reviewed; Journal article, 2019)Background: Despite the potential benefits of physician-staffed Helicopter Emergency Medical Service (HEMS), many dispatches to primary HEMS missions in Norway are cancelled before patient encounter. Information is sparse ... -
Prehospital identification of acute ischaemic stroke with large vessel occlusion: a retrospective study from western Norway
Leto, Nedim; Bjørshol, Conrad Arnfinn; Kurz, Martin; Østerås, Øyvind; Fromm, Annette; Lindner, Thomas Werner (Journal article; Peer reviewed, 2023)Background In 2019, the emergency medical services (EMS) covering the western Norway Regional Health Authority area implemented its version of the prehospital clinical criteria G-FAST (Gaze deviation, Facial palsy, Arm ... -
A prospective observational study of why people are medically evacuated from offshore installations in the North Sea
Waje-Andreassen, Anne; Østerås, Øyvind; Brattebø, Guttorm (Journal article; Peer reviewed, 2020)Objectives Few studies have described evacuations due to medical emergencies from the offshore installations in the North Sea, though efficient medical service is essential for the industrial activities in this area. The ... -
Treatment, transport, and primary care involvement when helicopter emergency medical services are inaccessible: a retrospective study
Nystøyl, Dag Ståle; Hunskaar, Steinar; Breidablik, Hans Johan; Østerås, Øyvind; Zakariassen, Erik (Journal article; Peer reviewed, 2018)Objective: To examine handling of cancelled helicopter emergency medical services (HEMS) missions with a persisting medical indication. Design: Retrospective observational study. Setting and subjects: Cancelled HEMS ...