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Stroke prehospital

Kristi G Bache, Maren Ranhoff Hov, Karianne Larsen, Volker Moræus Solyga, Christian G Lund
BACKGROUND: Acute ischemic stroke (AIS) is a medical emergency. The outcome is closely linked to the time elapsing from symptom onset to treatment, and seemingly small delays can mean the difference between full recovery and physical and cognitive dysfunction. Recanalization to allow blood to reenter the affected area is most efficient immediately after symptoms occur, and intravenous thrombolysis must be initiated no later than 4.5 hours after the symptom onset. A liable diagnosis is mandatory to administer the appropriate treatment...
February 28, 2018: JMIR Research Protocols
Christian H Nolte, Martin Ebinger, Jan F Scheitz, Alexander Kunz, Hebun Erdur, Frederik Geisler, Tim-Bastian Braemswig, Michal Rozanski, Joachim E Weber, Matthias Wendt, Katja Zieschang, Jochen B Fiebach, Kersten Villringer, Ulrike Grittner, Sabina Kaczmarek, Matthias Endres, Heinrich J Audebert
BACKGROUND AND PURPOSE: Data on effects of intravenous thrombolysis on outcome of patients with ischemic stroke who are dependent on assistance in activities of daily living prestroke are scarce. Recent registry based analyses in activities of daily -independent patients suggest that earlier start of intravenous thrombolysis in the prehospital setting leads to better outcomes when compared with the treatment start in hospital. We evaluated whether these observations can be corroborated in patients with prestroke dependency...
February 19, 2018: Stroke; a Journal of Cerebral Circulation
Ali Reza Noorian, Nerses Sanossian, Kristina Shkirkova, David S Liebeskind, Marc Eckstein, Samuel J Stratton, Franklin D Pratt, Robin Conwit, Fiona Chatfield, Latisha K Sharma, Lucas Restrepo, Miguel Valdes-Sueiras, May Kim-Tenser, Sidney Starkman, Jeffrey L Saver
BACKGROUND AND PURPOSE: Prehospital scales have been developed to identify patients with acute cerebral ischemia (ACI) because of large vessel occlusion (LVO) for direct routing to Comprehensive Stroke Centers (CSCs), but few have been validated in the prehospital setting, and their impact on routing of patients with intracranial hemorrhage has not been delineated. The purpose of this study was to validate the Los Angeles Motor Scale (LAMS) for LVO and CSC-appropriate (LVO ACI and intracranial hemorrhage patients) recognition and compare the LAMS to other scales...
February 19, 2018: Stroke; a Journal of Cerebral Circulation
Kashif Waqar Faiz, Antje Sundseth, Bente Thommessen, Ole Morten Rønning
Background: Public campaigns focus primarily on stroke symptom and risk factor knowledge, but patients who correctly recognize stroke symptoms do not necessarily know the reason for urgent hospitalization. The aim of this study was to explore knowledge on stroke risk factors, symptoms and treatment options among acute stroke and transient ischemic attack patients. Methods: This prospective study included patients admitted to the stroke unit at the Department of Neurology, Akershus University Hospital, Norway...
2018: Vascular Health and Risk Management
S Vidale, E Agostoni
BACKGROUND AND PURPOSE: Time sensitivity for pharmacological and mechanical arterial recanalization in acute ischemic stroke influences the choice of the reference hospital. The accurate selection and identification of patients with high probability of a large vessel occlusion (LVO) in the prehospital setting improve the rationalization of the transport in the more suitable centers. Aim of this analysis was to determine the diagnostic accuracy of prehospital stroke scales detecting LVO...
February 11, 2018: Acta Neurologica Scandinavica
Mellanie V Springer, Daniel L Labovitz
BACKGROUND: Studies examining predictors of delay in hospital arrival after stroke symptom onset have not accounted for patients who are found with their symptoms and cannot seek help independently. Our objective is to show that inclusion of patients who are "found down" in studies of prehospital delay biases the estimated association of sociodemographic and clinical variables with time of hospital arrival. METHODS: We performed a retrospective analysis of sociodemographic and clinical characteristics of patients with acute ischemic stroke presenting to a tertiary care hospital in the Bronx, New York...
February 8, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
Ludwig Schlemm, Eckhard Schlemm
BACKGROUND: Clinical scales to detect large vessel occlusion (LVO) may help to determine the optimal transport destination for patients with suspected acute ischemic stroke (AIS). The clinical benefit associated with improved diagnostic accuracy of these scales has not been quantified. METHODS: We used a previously reported conditional model to estimate the probability of good outcome (modified Rankin scale sore ≤2) for patients with AIS and unknown vessel status occurring in regions with greater proximity to a primary than to a comprehensive stroke center...
February 10, 2018: BMC Neurology
Takuro Arimizu, Chiaki Yokota, Shinya Tomari, Tenyu Hino, Shinichi Wada, Hideyuki Ohnishi, Kazunori Toyoda, Kazuo Minematsu
BACKGROUND: Identification of stroke signs by emergency medical technicians (EMTs) is important for initiating the "stroke chain of survival." The aim of the present study was to clarify the effect of EMT-led lessons on stroke awareness for schoolchildren in the Akashi project on the transportation time to arrive at the hospital. METHODS: Stroke lessons were given by EMTs to 887 elementary school children in elementary schools between September 2014 and October 2015...
February 2, 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
William J Powers, Alejandro A Rabinstein, Teri Ackerson, Opeolu M Adeoye, Nicholas C Bambakidis, Kyra Becker, José Biller, Michael Brown, Bart M Demaerschalk, Brian Hoh, Edward C Jauch, Chelsea S Kidwell, Thabele M Leslie-Mazwi, Bruce Ovbiagele, Phillip A Scott, Kevin N Sheth, Andrew M Southerland, Deborah V Summers, David L Tirschwell
BACKGROUND AND PURPOSE: The purpose of these guidelines is to provide an up-to-date comprehensive set of recommendations for clinicians caring for adult patients with acute arterial ischemic stroke in a single document. The intended audiences are prehospital care providers, physicians, allied health professionals, and hospital administrators. These guidelines supersede the 2013 guidelines and subsequent updates. METHODS: Members of the writing group were appointed by the American Heart Association Stroke Council's Scientific Statements Oversight Committee, representing various areas of medical expertise...
March 2018: Stroke; a Journal of Cerebral Circulation
Eric E Smith, David M Kent, Ketan R Bulsara, Lester Y Leung, Judith H Lichtman, Mathew J Reeves, Amytis Towfighi, William N Whiteley, Darin B Zahuranec
INTRODUCTION: Endovascular thrombectomy is a highly efficacious treatment for large vessel occlusion (LVO). LVO prediction instruments, based on stroke signs and symptoms, have been proposed to identify stroke patients with LVO for rapid transport to endovascular thrombectomy-capable hospitals. This evidence review committee was commissioned by the American Heart Association/American Stroke Association to systematically review evidence for the accuracy of LVO prediction instruments. METHODS: Medline, Embase, and Cochrane databases were searched on October 27, 2016...
January 24, 2018: Stroke; a Journal of Cerebral Circulation
Luke N Belval, Douglas J Casa, William M Adams, George T Chiampas, Jolie C Holschen, Yuri Hosokawa, John Jardine, Shawn F Kane, Michele Labotz, Renée S Lemieux, Kyle B McClaine, Nathaniel S Nye, Francis G O'Connor, Bryan Prine, Neha P Raukar, Michael S Smith, Rebecca L Stearns
Exertional heat stroke (EHS) is one of the most common causes of sudden death in athletes. It also represents a unique medical challenge to the prehospital healthcare provider due to the time sensitive nature of treatment. In cases of EHS, when cooling is delayed, there is a significant increase in organ damage, morbidity, and mortality after 30 minutes, faster than the average EMS transport and ED evaluation window. The purpose of this document is to present a paradigm for prehospital healthcare systems to minimize the risk of morbidity and mortality for EHS patients...
January 16, 2018: Prehospital Emergency Care
Elin Andersson, Linda Bohlin, Johan Herlitz, Annelie J Sundler, Zoltán Fekete, Magnus Andersson Hagiwara
Introduction the early phase of stroke, minutes are critical. Since the majority of patients with stroke are transported by the Emergency Medical Service (EMS), the early handling and decision making by the EMS clinician is important. Problem The study aim was to evaluate the frequency of a documented suspicion of stroke by the EMS nurse, and to investigate differences in the clinical signs of stroke and clinical assessment in the prehospital setting among patients with regard to if there was a documented suspicion of stroke on EMS arrival or not, in patients with a final hospital diagnosis of stroke...
January 10, 2018: Prehospital and Disaster Medicine
Michael Redlener, Patrick Olivieri, George T Loo, Kevin Munjal, Michael T Hilton, Katya Trudeau Potkin, Michael Levy, Jeffrey Rabrich, Michael R Gunderson, Sabina A Braithwaite
OBJECTIVE: This study aims to understand the adoption of clinical quality measurement throughout the United States on an EMS agency level, the features of agencies that do participate in quality measurement, and the level of physician involvement. It also aims to barriers to implementing quality improvement initiatives in EMS. METHODS: A 46-question survey was developed to gather agency level data on current quality improvement practices and measurement. The survey was distributed nationally via State EMS Offices to EMS agencies nation-wide using Surveymonkey©...
January 3, 2018: Prehospital Emergency Care
Christopher T Richards, Ryan Huebinger, Katie L Tataris, Joseph M Weber, Laura Eggers, Eddie Markul, Leslee Stein-Spencer, Kenneth S Pearlman, Jane L Holl, Shyam Prabhakaran
OBJECTIVE: Accurate prehospital identification of patients with acute ischemic stroke (AIS) from large vessel occlusion (LVO) facilitates direct transport to hospitals that perform endovascular thrombectomy. We hypothesize that a cut-off score of the Cincinnati Prehospital Stroke Scale (CPSS), a simple assessment tool currently used by emergency medical services (EMS) providers, can be used to identify LVO. METHODS: Consecutively enrolled, confirmed AIS patients arriving via EMS between August 2012 and April 2014 at a high-volume stroke center in a large city with a single municipal EMS provider agency were identified in a prospective, single-center registry...
January 3, 2018: Prehospital Emergency Care
Siju V Abraham, S Vimal Krishnan, Fazil Thaha, Jayaraj Mymbilly Balakrishnan, Tom Thomas, Babu Urumese Palatty
Background and Purpose: The purpose of this study was to assess factors causing delay in treatment of acute stroke in a tertiary care institute in South India. Methods: All clinically suspected cases of acute stroke presenting to the emergency department over a period of 1 year were prospectively followed up and data collected as per a preset pro forma. The various time intervals from stroke onset to definitive management and other pertinent data were collected...
October 2017: International Journal of Critical Illness and Injury Science
Ludwig Schlemm, Martin Ebinger, Christian H Nolte, Matthias Endres
BACKGROUND AND PURPOSE: Prehospital stroke severity scales may help to triage acute ischemic stroke patients with large vessel occlusion (LVO) for direct transportation to a comprehensive stroke center. The impact on resource use and time to reperfusion treatment for patients with and without LVO is unknown. METHODS: Based on empirical distributions of stroke symptom severity, prehospital delay times, and stroke symptom severity-dependent likelihood of LVO, we simulate prehospital incidents of stroke-like symptoms in abstract geographical environments to estimate the impact of prehospital triage strategies based on different cutoffs of the rapid arterial occlusion evaluation scale...
February 2018: Stroke; a Journal of Cerebral Circulation
Andrew S Winburn, Juliana J Brixey, James Langabeer, Tiffany Champagne-Langabeer
Objective There has been moderate evidence of telehealth utilization in the field of emergency medicine, but less is known about telehealth in prehospital emergency medical services (EMS). The objective of this study is to explore the extent, focus, and utilization of telehealth for prehospital emergency care through the analysis of published research. Methods The authors conducted a systematic literature review by extracting data from multiple research databases (including MEDLINE/PubMed, CINAHL Complete, and Google Scholar) published since 2000...
January 1, 2017: Journal of Telemedicine and Telecare
Maren R Hov, Jo Røislien, Thomas Lindner, Erik Zakariassen, Kristi C G Bache, Volker M Solyga, David Russell, Christian G Lund
BACKGROUND: Cerebral revascularization in acute stroke requires robust diagnostic tools close to symptom onset. The quantitative National Institute of Health Stroke Scale (NIHSS) is widely used in-hospital, whereas shorter and less specific stroke scales are used in the prehospital field. This study explored the accuracy and potential clinical benefit of using NIHSS prehospitally. PATIENTS AND METHODS: Thirteen anesthesiologists trained in prehospital critical care enrolled patients with suspected acute stroke in a mobile stroke unit...
December 12, 2017: European Journal of Emergency Medicine: Official Journal of the European Society for Emergency Medicine
Takahiro Ota, Yasuhiro Nishiyama, Satoshi Koizumi, Tomonari Saito, Masayuki Ueda, Nobuhito Saito
Introduction Endovascular treatment for acute ischemic stroke with acute large-vessel occlusion (ALVO) has established benefits, and rapid treatment is vital for mechanical thrombectomy in ALVO. Time from onset of stroke to groin puncture (OTP) is a practical and useful clinical marker, and OTP should be shortened to obtain the maximum benefit of thrombectomy. Objective The aim of the present study was to assess the impact of early treatment of anterior circulation stroke within three hours after symptom onset and to evaluate the role of OTP in determining outcomes after endovascular therapy...
January 1, 2017: Interventional Neuroradiology
Stephen W English, Alejandro A Rabinstein, Jay Mandrekar, James P Klaas
BACKGROUND AND PURPOSE: Although prehospital stroke notification has improved stroke treatment, incorporation of these systems into existing infrastructure has resulted in new challenges. The goal of our study was to design an effective prehospital notification system that allows for early and accurate identification of patients presenting with acute stroke. METHODS: We conducted a retrospective single-center cohort study of patients presenting with suspicion of acute stroke from 2014 to 2015...
April 2018: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
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