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Automated External Defibrillator

A Claesson, D Fredman, L Svensson, M Ringh, J Hollenberg, P Nordberg, M Rosenqvist, T Djarv, S Österberg, J Lennartsson, Y Ban
BACKGROUND: The use of an automated external defibrillator (AED) prior to EMS arrival can increase 30-day survival in out-of-hospital cardiac arrest (OHCA) significantly. Drones or unmanned aerial vehicles (UAV) can fly with high velocity and potentially transport devices such as AEDs to the site of OHCAs. The aim of this explorative study was to investigate the feasibility of a drone system in decreasing response time and delivering an AED. METHODS: Data of Global Positioning System (GPS) coordinates from historical OHCA in Stockholm County was used in a model using a Geographic Information System (GIS) to find suitable placements and visualize response times for the use of an AED equipped drone...
October 12, 2016: Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine
Wei-Chieh Tseng, Mei-Hwan Wu, Hui-Chi Chen, Feng-Yu Kao, San-Kuei Huang
BACKGROUND: Ventricular fibrillation (VF) is a life-threatening disease that can be remedied by prompt defibrillation. However, data regarding such risk in a general population remain limited. This general population study was to explore the epidemiological profile of VF.Methods and Results:We investigated patients with VF younger than 60 years (average population, 19,725,031) using a national database spanning the period 2000-2010. We identified 3,971 (68.4% male) patients with VF (crude incidence rate: 1...
October 6, 2016: Circulation Journal: Official Journal of the Japanese Circulation Society
Benjamin W Chrisinger, Anne V Grossestreuer, Meredith C Laguna, Heather M Griffis, Charles C Branas, Douglas J Wiebe, Raina M Merchant
AIM: Approximately 424,000 out-of-hospital cardiac arrests (OHCA) occur in the US annually. As automated external defibrillators (AED) are an important part of the community response to OHCA, we investigated how well the spatial demand (likelihood of OHCA) was met by the spatial supply (AEDs) in a dense urban environment. METHODS: Using geographic information system (GIS) software, we applied kernel density and optimized hot spot procedures with two differently-sized radii to model OHCA incidence rates from existing studies, providing an estimate of OHCA likelihood at a given location...
October 1, 2016: Resuscitation
Sara Saberi, Sharlene M Day
Inherited cardiomyopathies have highly variable expression in terms of symptoms, functional limitations, and disease severity. Associated risk of sudden cardiac death is also variable. International guidelines currently recommend restriction of all athletes with cardiomyopathy from participation in competitive sports. While the guidelines are necessarily conservative because predictive risk factors for exercise-triggered SCD have not been clearly identified, the risk is clearly not uniform across all athletes and all sports...
November 2016: Cardiology Clinics
Benjamin Dahan, Patricia Jabre, Nicole Karam, Renaud Misslin, Marie-Cécile Bories, Muriel Tafflet, Wulfran Bougouin, Daniel Jost, Frankie Beganton, Guillaume Beal, Patricia Pelloux, Eloi Marijon, Xavier Jouven
BACKGROUND: The benefits of available automatic external defibrillators (AEDs) for out-of-hospital cardiac arrests (OHCAs) are well known, but strategies for their deployment outdoors remain somewhat arbitrary. Our study sought to assess different strategies for AED deployment. METHODS: All OHCAs in Paris between 2000 and 2010 were prospectively recorded and geocoded. A guidelines-based strategy of placing an AED in locations where more than one OHCA had occurred within the past five years was compared to two novel strategies: a grid-based strategy with a regular distance between AEDs and a landmark-based strategy...
September 23, 2016: Resuscitation
Wei Wei Dayna Yong, Phek Hui Jade Kua, Swee Sung Soon, Pin Pin Maeve Pek, Marcus Eng Hock Ong
The Dispatcher-Assisted first REsponder programme aims to equip the public with skills to perform hands-only cardiopulmonary resuscitation (CPR) and to use an automated external defibrillator (AED). By familiarising them with instructions given by a medical dispatcher during an out-of-hospital cardiac arrest call, they will be prepared and empowered to react in an emergency. We aim to formalise curriculum and standardise the way information is conveyed to the participants. A panel of 20 experts were chosen...
2016: BioMed Research International
Thea Palsgaard Møller, Cecilia Andréll, Søren Viereck, Lizbet Todorova, Hans Friberg, Freddy K Lippert
INTRODUCTION: Survival after out-of-hospital cardiac arrest (OHCA) remains low. Early recognition by emergency medical dispatchers is essential for an effective chain of actions, leading to early cardiopulmonary resuscitation, use of an automated external defibrillator and rapid dispatching of the emergency medical services. AIM: To analyse and compare the accuracy of OHCA recognition by medical dispatchers in two countries. METHOD: An observational register-based study collecting data from national cardiac arrest registers in Denmark and Sweden during a six-month period in 2013...
September 19, 2016: Resuscitation
Akiteru Takamura, Sayori Ito, Kaori Maruyama, Yusuke Ryo, Manami Saito, Shuhei Fujimura, Yuna Ishiura, Ariyuki Hori
BACKGROUND: Automated external defibrillators (AEDs) have been installed in schools in Japan since 2004, and the government strongly recommends teaching basic life support (BLS). We therefore examined the quality of BLS education and AED installation in schools. METHODS: We conducted a prefecture-wide questionnaire survey of all primary and junior high schools in 2016, to assess BLS education and AED installation against the recommendations of the Japan Circulation Society...
September 2, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
Takashi Higaki, Toshiyuki Chisaka, Tomozo Moritani, Masaaki Ohta, Hidemi Takata, Toshifumi Yamauchi, Youhei Yamaguchi, Kyoko Konishi, Eiichi Yamamoto, Fumihiro Ochi, Mariko Eguchi, Minenori Eguchi-Ishimae, Yoshihide Mitani, Eiichi Ishii
BACKGROUND: Recently, we have experienced a student who died of idiopathic ventricular fibrillation in a school where automated external defibrillator (AED) had been installed. The tragedy could not be prevented because the only AED in the school was installed in teachers' office situated far from the school ground where the accident took place. This occurrence prompted us to establish multiple AED system in schools. OBJECTIVE: We analyzed the effect of multiple AED system to prevent the sudden death of school aged children...
August 26, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
Christopher L F Sun, Derya Demirtas, Steven C Brooks, Laurie J Morrison, Timothy C Y Chan
BACKGROUND: Immediate access to an automated external defibrillator (AED) increases the chance of survival for out-of-hospital cardiac arrest (OHCA). Current deployment usually considers spatial AED access, assuming AEDs are available 24 h a day. OBJECTIVES: The goal of this study was to develop an optimization model for AED deployment, accounting for spatial and temporal accessibility, to evaluate if OHCA coverage would improve compared with deployment based on spatial accessibility alone...
August 23, 2016: Journal of the American College of Cardiology
Muammar Sadrawi, Wei-Zen Sun, Matthew Huei-Ming Ma, Chun-Yi Dai, Maysam F Abbod, Jiann-Shing Shieh
Good quality cardiopulmonary resuscitation (CPR) is the mainstay of treatment for managing patients with out-of-hospital cardiac arrest (OHCA). Assessment of the quality of the CPR delivered is now possible through the electrocardiography (ECG) signal that can be collected by an automated external defibrillator (AED). This study evaluates a nonlinear approximation of the CPR given to the asystole patients. The raw ECG signal is filtered using ensemble empirical mode decomposition (EEMD), and the CPR-related intrinsic mode functions (IMF) are chosen to be evaluated...
2016: BioMed Research International
Jin Hyuck Lee, Youngsuk Cho, Ku Hyun Kang, Gyu Chong Cho, Keun Jeong Song, Chang Hee Lee
Background. Basic life support (BLS) training with hands-on practice can improve performance during simulated cardiac arrest, although the optimal duration for BLS training is unknown. This study aimed to assess the effectiveness of various BLS training durations for acquiring cardiopulmonary resuscitation (CPR) and automated external defibrillator (AED) skills. Methods. We randomised 485 South Korean nonmedical college students into four levels of BLS training: level 1 (40 min), level 2 (80 min), level 3 (120 min), and level 4 (180 min)...
2016: BioMed Research International
Heesook Son, Erika Friedmann, Sue A Thomas, Youn-Jung Son
Data from the Patients and Families Psychological Response to the Home Automated External Defibrillator Trial were used to examine the relationship between biopsychosocial variables and patients' coping strategies postmyocardial infarction. This study is the secondary data analysis of longitudinal observational study. A total of 460 patient-spouse pairs were recruited in January 2003 to October 2005. Hierarchical linear regression analysis examined biological/demographic, psychological and social variables regarding patients' coping scores using the Family Crisis Oriented Personal Evaluation Scale...
October 2016: International Journal of Nursing Practice
Carlos Figuera, Unai Irusta, Eduardo Morgado, Elisabete Aramendi, Unai Ayala, Lars Wik, Jo Kramer-Johansen, Trygve Eftestøl, Felipe Alonso-Atienza
Early recognition of ventricular fibrillation (VF) and electrical therapy are key for the survival of out-of-hospital cardiac arrest (OHCA) patients treated with automated external defibrillators (AED). AED algorithms for VF-detection are customarily assessed using Holter recordings from public electrocardiogram (ECG) databases, which may be different from the ECG seen during OHCA events. This study evaluates VF-detection using data from both OHCA patients and public Holter recordings. ECG-segments of 4-s and 8-s duration were analyzed...
2016: PloS One
David Fredman, Leif Svensson, Yifang Ban, Martin Jonsson, Jacob Hollenberg, Per Nordberg, Mattias Ringh, Mårten Rosenqvist, Margareta Lundén, Andreas Claesson
INTRODUCTION: Early use of automated external defibrillators (AED) increases survival in cases of out-of-hospital cardiac arrest (OHCA). Dispatchers play important roles in identifying OHCA, dispatching ambulances and providing callers with telephone-assisted cardiopulmonary resuscitation. Guidelines recommend that AED registries be linked to dispatch centres as tools to refer callers to nearby AED. AIM: The aim of this study was to investigate to what extent dispatchers, when provided with a tool to display AED locations and accessibility, referred callers to nearby AED...
October 2016: Resuscitation
Kosuke Kiyohara, Tetsuhisa Kitamura, Tomohiko Sakai, Chika Nishiyama, Tatsuya Nishiuchi, Yasuyuki Hayashi, Tetsuya Sakamoto, Seishiro Marukawa, Taku Iwami
BACKGROUND: Actual application of public-access automated external defibrillator (AED) pads to patients with an out-of-hospital cardiac arrest (OHCA) by the public has been poorly investigated. METHODS: AED applications, prehospital characteristics, and one-month outcomes of OHCAs occurring in Osaka Prefecture from 2011 to 2012 were obtained from the Utstein Osaka Project registry. Patients with a non-traumatic OHCA occurring before emergency medical service attendance were enrolled...
September 2016: Resuscitation
Cristina Jorge-Soto, Cristian Abelairas-Gómez, Roberto Barcala-Furelos, Anxela Garrido-Viñas, Rubén Navarro-Patón, María Muiño-Piñeiro, M Pino Díaz-Pereira, Antonio Rodríguez-Núñez
AIM: Early defibrillation should achieve the highest survival rates when applied within the first minutes after the collapse. Public access defibrillation programs have increased the population awareness of the importance of defibrillation. Schoolchildren should be trained in basic life support (BLS) skills and some countries have included BLS in their school syllabus. However, little is known of the current knowledge and ability of schoolchildren to use an automated external defibrillator (AED)...
September 2016: Resuscitation
Stefanie G Beesems, Jocelyn Berdowski, Michiel Hulleman, Marieke T Blom, Jan G P Tijssen, Rudolph W Koster
BACKGROUND: Previous large retrospective analyses have found an association between duration of peri-shock pauses in cardiopulmonary resuscitation (CPR) and survival. In a randomized trial, we tested whether shortening these pauses improves survival after out-of-hospital cardiac arrest (OHCA). METHODS: Patients with OHCA between May 2006 and January 2014 with shockable initial rhythm, treated by first responders, were randomized to two automated external defibrillator (AED) treatment protocols...
September 2016: Resuscitation
Chik Leung Ho, Ka Wai Cheng, Tze Hang Ma, Yau Hang Wong, Ka Lok Cheng, Chak Wah Kam
BACKGROUND: To popularize the wide-spread use of automated external defibrillator (AED) to save life in sudden cardiac arrest, we compared the strength and weakness of different types of AEDs to enable a sound selection based on regional requirement. METHODS: This was a retrospective descriptive study. Different types of AEDs were compared according to the information of AEDs from manuals and brochures provided by the manufacturers. Fifteen types of AEDs were divided into 3 groups, basic, intermediate and advanced...
2016: World Journal of Emergency Medicine
G Huschak, A Dünnebier, U X Kaisers, B Huschens, S Bercker
The in-hospital spread of automated external defibrillators (AEDs) is aimed to allow for a shock-delivery within three minutes. However, it has to be questioned if the implementation of AED alone really contributes to a 'heart-safe hospital'. We performed a cohort study of 1008 in-hospital emergency calls in a university tertiary care hospital, analysing cardiopulmonary resuscitation (CPR) cases with and without AED use. In total, 484 patients (48%) had cardiac arrest and received CPR. Response time of the emergency team was 4...
May 2016: Anaesthesia and Intensive Care
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