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Automatic CPR devices 

Dong Keon Lee, Yong Sung Cha, Oh Hyun Kim, Kyoung Chul Cha, Kang Hyun Lee, Sung Oh Hwang, Hyun Kim, Young Hwan Lee, Minjung Kathy Chae
BACKGROUND: An automatic simultaneous sternothoracic cardiopulmonary resuscitation (SST-CPR) device is an apparatus that performs CPR by providing simultaneous cyclic compressions of the thorax with a thoracic strap and compression of the sternum with a piston. OBJECTIVE: This study was conducted to compare the hemodynamic effects of CPR with an automatic SST-CPR device to those with standard CPR (STD-CPR) in cardiac arrest patients. METHODS: A randomized trial was performed on victims of out-of-hospital cardiac arrest resistant to initial 20 min of CPR after emergency department (ED) arrival...
June 6, 2018: Journal of Emergency Medicine
Gil Joon Suh, Jaeheung Park, Jung Chan Lee, Sang Hoon Na, Woon Yong Kwon, Kyung Su Kim, Taegyun Kim, Yoon Sun Jung, Jung-In Ko, So Mi Shin, Kyoung Min You
BACKGROUND: Our aim was to compare the efficacy of the end-tidal CO2 -guided automated robot CPR (robot CPR) system with manual CPR and mechanical device CPR. METHODS: We developed the algorithm of the robot CPR system which automatically finds the optimal compression position under the guidance of end-tidal CO2 feedback in swine models of cardiac arrest. Then, 18 pigs after 11 min of cardiac arrest were randomly assigned to one of three groups, robot CPR, LUCAS CPR, and manual CPR groups (n = 6 each group)...
June 2018: Resuscitation
Rodrigo Silva Lacerda, Fernando Cesar Anastácio de Lima, Leonardo Pereira Bastos, Anderson Fardin Vinco, Felipe Britto Azevedo Schneider, Yves Luduvico Coelho, Heitor Gomes Costa Fernandes, João Marcus Ramos Bacalhau, Igor Matheus Simonelli Bermudes, Claudinei Ferreira da Silva, Luiza Paterlini da Silva, Rogério Pezato
Introduction Effective ventilation during cardiopulmonary resuscitation (CPR) is essential to reduce morbidity and mortality rates in cardiac arrest. Hyperventilation during CPR reduces the efficiency of compressions and coronary perfusion. Problem How could ventilation in CPR be optimized? The objective of this study was to evaluate non-invasive ventilator support using different devices. METHODS: The study compares the regularity and intensity of non-invasive ventilation during simulated, conventional CPR and ventilatory support using three distinct ventilation devices: a standard manual resuscitator, with and without airway pressure manometer, and an automatic transport ventilator...
December 2017: Prehospital and Disaster Medicine
Louise Milling, Peter Mygind Leth, Birgitte Schmidt Astrup
Chest compression devices for mechanical cardiopulmonary resuscitation (CPR) have become more common. Here, we report the case of a young woman who attempted resuscitated with LUCAS™2 after she was found unconscious at home. At autopsy, we found extensive intramuscular hemorrhages in posterior neck, between the scapulae, and in the lumbar region. Investigation of internal organs showed injuries to the lung, spleen, and kidney. The extension of the injuries gave rise to suspicion of homicide by smothering, which police investigation subsequently did not support...
September 2017: American Journal of Forensic Medicine and Pathology
Selcuk Adabag, Lucinda Hodgson, Santiago Garcia, Vidhu Anand, Ralph Frascone, Marc Conterato, Charles Lick, Keith Wesley, Brian Mahoney, Demetris Yannopoulos
BACKGROUND: Despite many advances in resuscitation science the outcomes of sudden cardiac arrest (SCA) remain poor. The Minnesota Resuscitation Consortium (MRC) is a statewide integrated resuscitation program, established in 2011, to provide standardized, evidence-based resuscitation and post-resuscitation care. The objective of this study is to assess the outcomes of a state-wide integrated resuscitation program. METHODS: We examined the trends in resuscitation metrics and outcomes in Minnesota since 2011 and compared these to the results from the national Cardiac Arrest Registry to Enhance Survival (CARES) program...
January 2017: Resuscitation
Lukasz Szarpak, Zenon Truszewski, Jacek Smereka, Paweł Krajewski, Marcin Fudalej, Piotr Adamczyk, Lukasz Czyzewski
UNLABELLED: Medical personnel may encounter difficulties in obtaining intravenous (IV) access during cardiac arrest. The 2015 American Heart Association guidelines and the 2015 European Resuscitation Council guidelines for cardiopulmonary resuscitation (CPR) suggest that rescuers establish intraosseous (IO) access if an IV line is not easily obtainable.The aim of the study was to compare the success rates of the IO proximal tibia and proximal humerus head access performed by paramedics using the New Intraosseous access device (NIO; Persys Medical, Houston, TX, USA) in an adult cadaver model during simulated CPR...
May 2016: Medicine (Baltimore)
Christian Werner Busch, Mohammed Qalanawi, Jan Felix Kersten, Tobias Johannes Kalwa, Norman Alexander Scotti, Wikhart Reip, Christoph Doehn, Stefan Maisch, Rainer Nitzschke
BACKGROUND: Medical teams with limited experience in performing advanced life support (ALS) or with a low frequency of cardiopulmonary resuscitation (CPR) while on duty, often have difficulty complying with CPR guidelines. OBJECTIVE: This study evaluated whether the quality of CPR of trained medical students, who served as an example of teams with limited experience in ALS, could be improved with device assistance. The primary outcome was the hands-off time (i.e...
October 2015: Journal of Emergency Medicine
Jason E Buick, Katherine S Allan, Joel G Ray, Alexander Kiss, Paul Dorian, Peter Gozdyra, Laurie J Morrison
BACKGROUND: Traditional variables used to explain survival following out-of-hospital cardiac arrest (OHCA) account for only 72% of survival, suggesting that other unknown factors may influence outcomes. Research on other diseases suggests that neighbourhood factors may partly determine health outcomes. Yet, this approach has rarely been used for OHCA. This work outlines a methodology to investigate multiple neighbourhood factors as determinants of OHCA outcomes. METHODS: A retrospective, observational cohort study design will be used...
May 2015: CJEM
Mariana Gonzalez, Marion Leary, Audrey L Blewer, Marisa Cinousis, Kelsey Sheak, Michael Ward, Raina M Merchant, Lance B Becker, Benjamin S Abella
BACKGROUND: Sudden cardiac arrest (SCA) strikes over 40,000 people in the public environment annually in the U.S., but despite evidence-based interventions such as prompt CPR and defibrillation, less than 25% of patients survive public SCA events. Effective use of automated external defibrillators (AEDs), especially by lay bystanders, represents an important strategy to improve survival rates. Previous investigations in Europe and Asia have demonstrated variable public awareness of AEDs; layperson knowledge of AEDs in the U...
July 2015: Resuscitation
Elaine Catrin Schubert, Karl-Georg Kanz, Ulrich Linsenmaier, Viktoria Bogner, Stefan Wirth, Matthias Angstwurm
Precise therapeutic decision-making is vital in managing out-of-hospital cardiac arrest. We present an interesting approach where suspected pulmonary embolism could be confirmed by early computed tomography in cardiac arrest. Chest compressions were performed automatically by mechanical devices also during the acquisition of computed tomography data and subsequent thrombolysis.
January 2016: CJEM
Guang Zhang, Taihu Wu, Zhenxing Song, Haitao Wang, Hengzhi Lu, Yalin Wang, Dan Wang, Feng Chen
Chest compression (CC) is a significant emergency medical procedure for maintaining circulation during cardiac arrest. Although CC produces the necessary blood flow for patients with heart arrest, improperly deep CC will contribute significantly to the risk of chest injury. In this paper, an optimal CC closed-loop controller for a mechanical chest compressor (OCC-MCC) was developed to provide an effective trade-off between the benefit of improved blood perfusion and the risk of ribs fracture. The trade-off performance of the OCC-MCC during real automatic mechanical CCs was evaluated by comparing the OCC-MCC and the traditional mechanical CC method (TMCM) with a human circulation hardware model based on hardware simulations...
June 2015: Medical & Biological Engineering & Computing
Matthias Helm, Benedikt Haunstein, Thomas Schlechtriemen, Matthias Ruppert, Lorenz Lampl, Michael Gäßler
BACKGROUND: Intraosseous access (IO) is a rapid and safe alternative when peripheral venous access is difficult. Our aim was to summarize the first three years experience with the use of a semi-automatic IO device (EZ-IO(®)) in German Helicopter Emergency Medical Service (HEMS). METHODS: Included were all patients during study period (January 2009-December 2011) requiring an IO access performed by HEMS team. Outcome variables were IO rate, IO insertion success rates, site of IO access, type of EZ-IO(®) needle set used, strategy of vascular access, procedure related problems and operator's satisfaction...
March 2015: Resuscitation
M Fischer, M Breil, M Ihli, M Messelken, S Rauch, J-C Schewe
In Germany 100,000-160,000 people suffer from out-of-hospital cardiac arrest (OHCA) annually. The incidence of cardiopulmonary resuscitation (CPR) after OHCA varies between emergency ambulance services but is in the range of 30-90 CPR attempts per 100,000 inhabitants per year. Basic life support (BLS) involving chest compressions and ventilation is the key measure of resuscitation. Rapid initiation and quality of BLS are the most critical factors for CPR success. Even healthcare professionals are not always able to ensure the quality of CPR measures...
March 2014: Der Anaesthesist
P Schober, R Krage, V Lagerburg, D Van Groeningen, S A Loer, L A Schwarte
BACKGROUND: Current cardiopulmonary resuscitation (CPR)-guidelines recommend an increased chest compression depth and rate compared to previous guidelines, and the use of automatic feedback devices is encouraged. However, it is unclear whether this compression depth can be maintained at an increased frequency. Moreover, the underlying surface may influence accuracy of feedback devices. We investigated compression depths over time and evaluated the accuracy of a feedback device on different surfaces...
April 2014: Minerva Anestesiologica
Xudong Hu, Andrew Ramadeen, Gabriel Laurent, Petsy Pui-Sze So, Ehtesham Baig, Gregory M T Hare, Paul Dorian
BACKGROUND: Cardiac arrest is an important cause of mortality. Cardiopulmonary resuscitation (CPR) improves survival, however, delivery of effective CPR can be challenging and combining effective chest compressions with ventilation, while avoiding over-ventilation is difficult. We hypothesized that ventilation with a pneumatically powered, automatic ventilator (Oxylator(®)) can provide adequate ventilation in a model of cardiac arrest and improve the consistency of ventilations during CPR...
August 2013: Resuscitation
Christopher John Acott
Basic life support (BLS) in a diving bell (DB) or deck decompression chamber (DDC) is difficult due to the confined space and limited equipment. Retrieval of the unconscious diver into the DB requires the use of a pulley system. Once inside the bell, space limitations dictate that any resuscitative efforts are attempted with the victim (diver) either suspended in the upright position by the pulley system or lying against the DB's curved side in a semi-supine position. BLS at best achieves a carotid artery systolic blood pressure of 40 mmHg or 30% of cardiac output in the supine position and, therefore, would be ineffective for a diver suspended on a pulley due to inadequate cerebral perfusion...
June 2008: Diving and Hyperbaric Medicine: the Journal of the South Pacific Underwater Medicine Society
Hichem Chenaitia, Marc Fournier, Jean Paul Brun, Pierre Michelet, Jean Pierre Auffray
Pulmonary embolism (PE) is a common cause of sudden death; the use of prehospital thrombolysis is currently a last-resort option and requires a prolonged cardiopulmonary resuscitation (CPR). Novel mechanical devices have recently been introduced that provides automatic mechanical chest compression (AMCC) according to the guidelines and continually without decrease efficiency throughout prolonged resuscitation. A 54 year-old woman with a history of breast cancer experienced sudden chest pain and severe dyspnea...
July 2012: American Journal of Emergency Medicine
Kathryn Zeitz, Hugh Grantham, Robert Elliot, Chris Zeitz
INTRODUCTION: Sudden, out-of-hospital cardiac arrest (OHCA) has an annual incidence of approximately 50 per 100,000 population. Public access defibrillation is seen as one of the key strategies in the chain-of-survival for OHCA. Positioning of these devices is important for the maximization of public health outcomes. The literature strongly advocates widespread public access to automated external defibrillatiors (AEDs). The most efficient placement of AEDs within individual communities remains unclear...
November 2010: Prehospital and Disaster Medicine
Hendrik Bonnemeier, Gregor Simonis, Göran Olivecrona, Britta Weidtmann, Matthias Götberg, Gunther Weitz, Ivana Gerling, Ruth Strasser, Norbert Frey
UNLABELLED: Survival after in-hospital pulseless electrical activity (PEA) cardiac arrest is poor and has not changed during the last 10 years. Effective chest compressions may improve survival after PEA. We investigated whether a mechanical device (LUCAS™-CPR) can ensure chest compressions during cardiac arrest according to guidelines and without interruption during transport, diagnostic procedures and in the catheter laboratory. METHODS: We studied mechanical chest compression in 28 patients with PEA (pulmonary embolism (PE) n=14; cardiogenic shock/acute myocardial infarction; n=9; severe hyperkalemia; n=2; sustained ventricular arrhythmias/electrical storm; n=3) in a university hospital setting...
February 2011: Resuscitation
Bakhtiar Ali, Heather Bloom, Emir Veledar, Dorothy House, Robert Norvel, Samuel C Dudley, A Maziar Zafari
BACKGROUND: In-hospital cardiac arrest has a poor prognosis despite active electrocardiography monitoring. The initial rhythm of approximately 25% of in-hospital cardiopulmonary resuscitation (CPR) events is pulseless ventricular tachycardia/ventricular fibrillation (VT/VF). Early defibrillation is an independent predictor of survival in CPR events caused by VT/VF. The automated external cardioverter defibrillator (AECD) is a device attached by pads to the chest wall that monitors, detects, and within seconds, automatically delivers electric countershock to an appropriate tachyarrhythmia...
June 11, 2008: Trials
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