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Pommerenke C, Poloczek S, Breuer F, Wolff J, Dahmen J. Automated and app-based activation of first responders for prehospital cardiac arrest: an analysis of 16.500 activations of the KATRETTER system in Berlin. Scand J Trauma Resusc Emerg Med 2023; 31:105. [PMID: 38124125 PMCID: PMC10731739 DOI: 10.1186/s13049-023-01152-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 11/13/2023] [Indexed: 12/23/2023] Open
Abstract
BACKGROUND Bystander CPR is one of the main independent factors contributing to better survival after out-of-hospital cardiac arrest. Simultaneously, the rate of bystander CPR in Germany is below the European average. First responder applications (apps) contribute to reducing the time period without CPR (no-flow time) until professional help can arrive on-scene. METHODS The KATRETTER app was introduced in Berlin as one of the first apps in Europe which do not require any medical qualifications to register as a first responder. The activation of volunteer first responders for suspected cardiac arrest cases through the Berlin Emergency Medical Services integrated control center was evaluated based on data collected between 16 Oct 2020 and 16 Oct 2022. Our descriptive analysis includes the number of registered first responders, number of activations, the number and percentages of accepted activations, as well as all reports where first responders arrived at the scene. RESULTS As of 15 Oct 2022, a total of 10,102 first responders were registered in the state of Berlin. During this specified period, there were 16.505 activations of the system for suspected out-of-hospital cardiac arrest. In 38.4% of the accepted cases, first responders documented patient contact, and in 34.6% of cases with patient contact, CPR was performed. Only 2% of registered first responders did not have any medical qualifications. CONCLUSIONS Smartphone-based first responder applications should not be understood as a means of alerting professional help, but rather like a digitally amplified "call for help" in the vicinity of an emergency location. A large number of first responders can be recruited within 24 months, without large-scale public relations work necessary. No qualifications were required to become a first responder, contributing to a low-threshold registration process with the effect of a more widespread distribution of the app and cost reduction during implementation.
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Affiliation(s)
- C Pommerenke
- Charité University Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - S Poloczek
- Chief Medical Director, Emergency Medical Services, Fire Department, Berlin, Germany
| | - F Breuer
- Emergency Medical Services Director, Rhine-Berg-District, Office for Fire Protection and Emergency Medical Service, Bergisch Gladbach, Germany
| | - J Wolff
- Department of Anesthesia, Intensive Care and Emergency Medicine, Military Hospital Berlin, Berlin, Germany
| | - J Dahmen
- Department of Medicine, Health Faculty, University Witten/Herdecke, Witten, Germany.
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Siddiqui FJ, Fook-Chong S, Shahidah N, Tan CK, Poh JY, Ng WM, Quah D, Ng YY, Leong BSH, Ong MEH. Technology activated community first responders in Singapore: Real-world care delivery & outcome trends. Resusc Plus 2023; 16:100486. [PMID: 37859630 PMCID: PMC10582741 DOI: 10.1016/j.resplu.2023.100486] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND Community first responders (CFRs) strengthen the Chain of Survival for out-of-hospital cardiac arrest (OHCA) care. Considerable efforts have been invested in Singapore's CFR program, during the years 2016-2020, by developing an app-based activation system called myResponder. This paper reports on national CFR response indicators to evaluate the real-world impact of these efforts. METHODS We matched data from the Singapore Civil Defence Force's CFR registry with the Pan Asian Resuscitation Outcomes Study (PAROS) registry data to calculate performance indicators. These included the number of CFRs receiving and accepting an issued alert per OHCA event. Also calculated were the fraction of OHCA events where CFRs received an issued alert, or accepted the alert, and arrived at the scene either before or after EMS. We also present trends of these indicators and compare the prevalence of these fractions between the CFR-attended and CFR-unattended OHCA events. RESULTS Of 6577 alerted OHCA events, 42.7% accepted an alert, 50% of these arrived at the scene and 71% of them arrived before EMS. Almost all CFR response indicators improved over time even for the pandemic year (2020). The fraction of OHCA events where >2 CFRs received an alert increased from 62% to 96%; the same figure for accepting an alert did not change much but >2 CFRs arriving at the scene increased from 0% to 7.5%. The fraction of OHCA events with an automated external defibrillator applied and defibrillation performed by CFR increased from 4.2% to 10.3% and 1.6% to 3%, respectively. Statistically significant differences were observed in these indicators when CFR-attended and CFR-unattended OHCA events were compared. CONCLUSION This real-world study shows that activating CFRs using mobile technology can improve community response to OHCA and are bearing fruit in Singapore at a national level. Some targets for improvement and future research are highlighted in this report.
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Affiliation(s)
| | | | - Nur Shahidah
- Pre-hospital & Emergency Research Centre, Duke-NUS Medical School, Singapore
- Department of Emergency Medicine, Singapore General Hospital, Singapore
| | - Colin K Tan
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore
| | - Jinn Yang Poh
- Volunteer & Community Partnership Department, Singapore Civil Defence Force, Singapore
| | - Wei Ming Ng
- Emergency Medicine Department, Ng Teng Fong General Hospital, Singapore
| | - Dennis Quah
- Operations Department, Singapore Civil Defence Force, Singapore
| | - Yih Yng Ng
- Digital and Smart Health Office, Ng Teng Fong Centre for Healthcare Innovation, Tan Tock Seng Hospital, Singapore
- Department of Preventive and Population Medicine, Tan Tock Seng Hospital, Singapore
| | - Benjamin SH Leong
- Emergency Medicine Department, National University Hospital, Singapore
| | - Marcus EH Ong
- Health Services & Systems Research, Duke-NUS Medical School, Singapore
- Department of Emergency Medicine, Singapore General Hospital, Singapore
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Marijon E, Narayanan K, Smith K, Barra S, Basso C, Blom MT, Crotti L, D'Avila A, Deo R, Dumas F, Dzudie A, Farrugia A, Greeley K, Hindricks G, Hua W, Ingles J, Iwami T, Junttila J, Koster RW, Le Polain De Waroux JB, Olasveengen TM, Ong MEH, Papadakis M, Sasson C, Shin SD, Tse HF, Tseng Z, Van Der Werf C, Folke F, Albert CM, Winkel BG. The Lancet Commission to reduce the global burden of sudden cardiac death: a call for multidisciplinary action. Lancet 2023; 402:883-936. [PMID: 37647926 DOI: 10.1016/s0140-6736(23)00875-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Revised: 04/13/2023] [Accepted: 04/25/2023] [Indexed: 09/01/2023]
Abstract
Despite major advancements in cardiovascular medicine, sudden cardiac death (SCD) continues to be an enormous medical and societal challenge, claiming millions of lives every year. Efforts to prevent SCD are hampered by imperfect risk prediction and inadequate solutions to specifically address arrhythmogenesis. Although resuscitation strategies have witnessed substantial evolution, there is a need to strengthen the organisation of community interventions and emergency medical systems across varied locations and health-care structures. With all the technological and medical advances of the 21st century, the fact that survival from sudden cardiac arrest (SCA) remains lower than 10% in most parts of the world is unacceptable. Recognising this urgent need, the Lancet Commission on SCD was constituted, bringing together 30 international experts in varied disciplines. Consistent progress in tackling SCD will require a completely revamped approach to SCD prevention, with wide-sweeping policy changes that will empower the development of both governmental and community-based programmes to maximise survival from SCA, and to comprehensively attend to survivors and decedents' families after the event. International collaborative efforts that maximally leverage and connect the expertise of various research organisations will need to be prioritised to properly address identified gaps. The Commission places substantial emphasis on the need to develop a multidisciplinary strategy that encompasses all aspects of SCD prevention and treatment. The Commission provides a critical assessment of the current scientific efforts in the field, and puts forth key recommendations to challenge, activate, and intensify efforts by both the scientific and global community with new directions, research, and innovation to reduce the burden of SCD worldwide.
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Affiliation(s)
- Eloi Marijon
- Division of Cardiology, European Georges Pompidou Hospital, AP-HP, Paris, France; Université Paris Cité, Inserm, PARCC, Paris, France; Paris-Sudden Death Expertise Center (Paris-SDEC), Paris, France.
| | - Kumar Narayanan
- Université Paris Cité, Inserm, PARCC, Paris, France; Paris-Sudden Death Expertise Center (Paris-SDEC), Paris, France; Medicover Hospitals, Hyderabad, India
| | - Karen Smith
- School of Public Health and Preventive Medicine, Monash University, Melbourne, VIC, Australia; Silverchain Group, Melbourne, VIC, Australia
| | - Sérgio Barra
- Department of Cardiology, Hospital da Luz Arrábida, Vila Nova de Gaia, Portugal
| | - Cristina Basso
- Cardiovascular Pathology Unit-Azienda Ospedaliera and Department of Cardiac Thoracic and Vascular Sciences and Public Health, University of Padua, Padua, Italy
| | - Marieke T Blom
- Department of General Practice, Amsterdam UMC, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Lia Crotti
- Department of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy; Istituto Auxologico Italiano, IRCCS, Center for Cardiac Arrhythmias of Genetic Origin, Cardiomyopathy Unit and Laboratory of Cardiovascular Genetics, Department of Cardiology, Milan, Italy
| | - Andre D'Avila
- Department of Cardiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA; Department of Cardiology, Hospital SOS Cardio, Santa Catarina, Brazil
| | - Rajat Deo
- Department of Cardiology, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
| | - Florence Dumas
- Université Paris Cité, Inserm, PARCC, Paris, France; Paris-Sudden Death Expertise Center (Paris-SDEC), Paris, France; Emergency Department, Cochin Hospital, Paris, France
| | - Anastase Dzudie
- Cardiology and Cardiac Arrhythmia Unit, Department of Internal Medicine, DoualaGeneral Hospital, Douala, Cameroon; Yaounde Faculty of Medicine and Biomedical Sciences, University of Yaounde 1, Yaounde, Cameroon
| | - Audrey Farrugia
- Hôpitaux Universitaires de Strasbourg, France, Strasbourg, France
| | - Kaitlyn Greeley
- Division of Cardiology, European Georges Pompidou Hospital, AP-HP, Paris, France; Université Paris Cité, Inserm, PARCC, Paris, France; Paris-Sudden Death Expertise Center (Paris-SDEC), Paris, France
| | | | - Wei Hua
- Cardiac Arrhythmia Center, FuWai Hospital, Beijing, China
| | - Jodie Ingles
- Centre for Population Genomics, Garvan Institute of Medical Research and UNSW Sydney, Sydney, NSW, Australia
| | - Taku Iwami
- Kyoto University Health Service, Kyoto, Japan
| | - Juhani Junttila
- MRC Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Rudolph W Koster
- Heart Center, Amsterdam UMC, University of Amsterdam, Amsterdam, Netherlands
| | | | - Theresa M Olasveengen
- Department of Anesthesia and Intensive Care Medicine, Oslo University Hospital and Institute of Clinical Medicine, Oslo, Norway
| | - Marcus E H Ong
- Singapore General Hospital, Duke-NUS Medical School, Singapore
| | - Michael Papadakis
- Cardiovascular Clinical Academic Group, St George's University of London, London, UK
| | | | - Sang Do Shin
- Department of Emergency Medicine at the Seoul National University College of Medicine, Seoul, South Korea
| | - Hung-Fat Tse
- University of Hong Kong, School of Clinical Medicine, Queen Mary Hospital, Hong Kong Special Administrative Region, China; Cardiac and Vascular Center, The University of Hong Kong-Shenzhen Hospital, Shenzhen, China
| | - Zian Tseng
- Division of Cardiology, UCSF Health, University of California, San Francisco Medical Center, San Francisco, California
| | - Christian Van Der Werf
- University of Amsterdam, Heart Center, Amsterdam, Netherlands; Department of Clinical and Experimental Cardiology, Amsterdam University Medical Centers, Amsterdam, Netherlands
| | - Fredrik Folke
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte, Herlev, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Christine M Albert
- Department of Cardiology, Smidt Heart Institute, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Bo Gregers Winkel
- Department of Cardiology, University Hospital Copenhagen, Rigshospitalet, Copenhagen, Denmark
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Hutton J, Puyat JH, Asamoah-Boaheng M, Sobolev B, Lingawi S, Khalili M, Kuo C, Shadgan B, Christenson J, Grunau B. The effect of recognition on survival after out-of-hospital cardiac arrest and implications for biosensor technologies. Resuscitation 2023; 190:109906. [PMID: 37453691 DOI: 10.1016/j.resuscitation.2023.109906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 07/18/2023]
Abstract
BACKGROUND Biosensor technologies have been proposed as a solution to provide recognition and facilitate earlier responses to unwitnessed out-of-hospital cardiac arrest (OHCA) cases. We sought to estimate the effect of recognition on survival and modelled the potential incremental impact of increased recognition of unwitnessed cases on survival to hospital discharge, to demonstrate the potential benefit of biosensor technologies. METHODS We included cases from the British Columbia Cardiac Arrest Registry (2019-2020), which includes Emergency Medical Services (EMS)-assessed OHCAs. We excluded cases that would not have benefitted from early recognition (EMS-witnessed, terminal illness, or do-not-resuscitate). Using a mediation analysis, we estimated the relative benefits on survival of a witness recognizing vs. intervening in an OHCA; and estimated the expected additional number of survivors resulting from increasing recognition alone using a bootstrap logistic regression framework. RESULTS Of 13,655 EMS-assessed cases, 11,412 were included (6314 EMS-treated, 5098 EMS-untreated). Survival to hospital discharge was 191/8879 (2.2%) in unwitnessed cases and 429/2533 (17%) in bystander-witnessed cases. Of the total effect attributable to a bystander witness, recognition accounted for 84% (95% CI: 72, 86) of the benefit. If all previously unwitnessed cases had been bystander witnessed, we would expect 1198 additional survivors. If these cases had been recognized, but no interventions performed, we would expect 912 additional survivors. CONCLUSION Unwitnessed OHCA account for the majority of OHCAs, yet survival is dismal. Methods to improve recognition, such as with biosensor technologies, may lead to substantial improvements in overall survival.
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Affiliation(s)
- Jacob Hutton
- Faculty of Medicine, University of British Columbia, British Columbia, Canada; British Columbia Emergency Health Services, Canada; British Columbia Resuscitation Research Collaborative, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, University of British Columbia, British Columbia, Canada.
| | - Joseph H Puyat
- British Columbia Resuscitation Research Collaborative, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, University of British Columbia, British Columbia, Canada; School of Population and Public Health, University of British Columbia, British Columbia, Canada
| | - Michael Asamoah-Boaheng
- Faculty of Medicine, University of British Columbia, British Columbia, Canada; British Columbia Resuscitation Research Collaborative, British Columbia, Canada; Department of Emergency Medicine, University of British Columbia, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, University of British Columbia, British Columbia, Canada
| | - Boris Sobolev
- Faculty of Medicine, University of British Columbia, British Columbia, Canada; School of Population and Public Health, University of British Columbia, British Columbia, Canada
| | - Saud Lingawi
- Faculty of Medicine, University of British Columbia, British Columbia, Canada; British Columbia Resuscitation Research Collaborative, British Columbia, Canada; School of Biomedical Engineering, University of British Columbia, British Columbia, Canada; International Collaboration on Repair Discoveries, British Columbia, Canada
| | - Mahsa Khalili
- School of Biomedical Engineering, University of British Columbia, British Columbia, Canada; International Collaboration on Repair Discoveries, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, University of British Columbia, British Columbia, Canada
| | - Calvin Kuo
- British Columbia Resuscitation Research Collaborative, British Columbia, Canada; School of Biomedical Engineering, University of British Columbia, British Columbia, Canada
| | - Babak Shadgan
- British Columbia Resuscitation Research Collaborative, British Columbia, Canada; School of Biomedical Engineering, University of British Columbia, British Columbia, Canada; Department of Orthopedic Surgery, University of British Columbia, British Columbia, Canada
| | - Jim Christenson
- Faculty of Medicine, University of British Columbia, British Columbia, Canada; British Columbia Resuscitation Research Collaborative, British Columbia, Canada; Department of Emergency Medicine, University of British Columbia, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, University of British Columbia, British Columbia, Canada
| | - Brian Grunau
- Faculty of Medicine, University of British Columbia, British Columbia, Canada; British Columbia Emergency Health Services, Canada; British Columbia Resuscitation Research Collaborative, British Columbia, Canada; Department of Emergency Medicine, University of British Columbia, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, University of British Columbia, British Columbia, Canada
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Folke F, Shahriari P, Hansen CM, Gregers MCT. Public access defibrillation: challenges and new solutions. Curr Opin Crit Care 2023; 29:168-174. [PMID: 37093002 PMCID: PMC10155700 DOI: 10.1097/mcc.0000000000001051] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
PURPOSE OF REVIEW The purpose of this article is to review the current status of public access defibrillation and the various utility modalities of early defibrillation. RECENT FINDINGS Defibrillation with on-site automated external defibrillators (AEDs) has been the conventional approach for public access defibrillation. This strategy is highly effective in cardiac arrests occurring in close proximity to on-site AEDs; however, only a few cardiac arrests will be covered by this strategy. During the last decades, additional strategies for public access defibrillation have developed, including volunteer responder programmes and drone assisted AED-delivery. These programs have increased chances of early defibrillation within a greater radius, which remains an important factor for survival after out-of-hospital cardiac arrest. SUMMARY Recent advances in the use of public access defibrillation show great potential for optimizing early defibrillation. With new technological solutions, AEDs can be transported to the cardiac arrest location reaching OHCAs in both public and private locations. Furthermore, new technological innovations could potentially identify and automatically alert the emergency medical services in nonwitnessed OHCA previously left untreated.
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Affiliation(s)
- Fredrik Folke
- Copenhagen University Hospital - Emergency Medical Services Capital Region
- Department of Clinical Medicine, University of Copenhagen
- Department of Cardiology, Copenhagen University Hospital - Herlev and Gentofte
| | - Persia Shahriari
- Copenhagen University Hospital - Emergency Medical Services Capital Region
- Department of Clinical Medicine, University of Copenhagen
| | - Carolina Malta Hansen
- Copenhagen University Hospital - Emergency Medical Services Capital Region
- Department of Cardiology, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark
| | - Mads Christian Tofte Gregers
- Copenhagen University Hospital - Emergency Medical Services Capital Region
- Department of Clinical Medicine, University of Copenhagen
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Scquizzato T, Belloni O, Semeraro F, Greif R, Metelmann C, Landoni G, Zangrillo A. Dispatching citizens as first responders to out-of-hospital cardiac arrests: a systematic review and meta-analysis. Eur J Emerg Med 2022; 29:163-172. [PMID: 35283448 DOI: 10.1097/mej.0000000000000915] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Mobile phone technologies to alert citizen first responders to out-of-hospital cardiac arrests (OHCAs) were implemented in numerous countries. This systematic review and meta-analysis aim to investigate whether activating citizen first responders increases bystanders' interventions and improves outcomes. We searched PubMed, EMBASE, and the Cochrane Central Register of Controlled Trials from inception to 24 November 2021, for studies comparing citizen first responders' activation versus standard emergency response in the case of OHCA. The primary outcome was survival at hospital discharge or 30 days. Secondary outcomes were discharge with favourable neurological outcome, bystander-initiated cardiopulmonary resuscitation (CPR), and the use of automated external defibrillators (AEDs) before ambulance arrival. Evidence certainty was evaluated with GRADE. Our search strategy yielded 1215 articles. After screening, we included 10 studies for a total of 23 351 patients. OHCAs for which citizen first responders were activated had higher rates of survival at hospital discharge or 30 days compared with standard emergency response [nine studies; 903/9978 (9.1%) vs. 1104/13 247 (8.3%); odds ratio (OR), 1.45; 95% confidence interval (CI), 1.21-1.74; P < 0.001], return of spontaneous circulation [nine studies; 2575/9169 (28%) vs. 3445/12 607 (27%); OR, 1.40; 95% CI, 1.07-1.81; P = 0.01], bystander-initiated CPR [eight studies; 5876/9074 (65%) vs. 6384/11 970 (53%); OR, 1.75; 95% CI, 1.43-2.15; P < 0.001], and AED use [eight studies; 654/9132 (7.2%) vs. 624/14 848 (4.2%); OR, 1.82; 95% CI, 1.31-2.53; P < 0.001], but similar rates of neurological intact discharge [three studies; 316/2685 (12%) vs. 276/2972 (9.3%); OR, 1.37; 95% CI, 0.81-2.33; P = 0.24]. Alerting citizen first responders to OHCA patients is associated with higher rates of bystander-initiated CPR, use of AED before ambulance arrival, and survival at hospital discharge or 30 days.
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Affiliation(s)
- Tommaso Scquizzato
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan
| | - Olivia Belloni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan
| | - Federico Semeraro
- Department of Anaesthesia, Intensive Care and Emergency Medical Services, Ospedale Maggiore, Bologna, Italy
| | - Robert Greif
- Department of Anaesthesiology and Pain Medicine, Bern University Hospital, University of Bern, Bern, Switzerland
- School of Medicine, Sigmund Freud University Vienna, Vienna, Austria
| | - Camilla Metelmann
- Department of Anaesthesiology, University Medicine Greifswald, Greifswald, Germany
| | - Giovanni Landoni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan
- Faculty of Medicine, Vita-Salute San Raffaele University, Milan, Italy
| | - Alberto Zangrillo
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Milan
- Faculty of Medicine, Vita-Salute San Raffaele University, Milan, Italy
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Haskins B, Nehme Z, Dicker B, Wilson MH, Ray M, Bernard S, Cameron P, Smith K. A binational survey of smartphone activated volunteer responders for out-of-hospital cardiac arrest: Availability, interventions, and post-traumatic stress. Resuscitation 2021; 169:67-75. [PMID: 34710547 DOI: 10.1016/j.resuscitation.2021.10.030] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 10/17/2021] [Accepted: 10/18/2021] [Indexed: 10/20/2022]
Abstract
BACKGROUND Responder smartphone apps use global positioning data to enable emergency medical services to alert volunteer responders of nearby potential out-of-hospital cardiac arrests (OHCA). AIM To assess volunteer availability, interventions provided and frequency of probable post traumatic stress disorder (PTSD) experienced by responders receiving a smartphone alert. METHODS A web-based survey was emailed to alerted responders at week-two post-alert and a PTSD screening survey at week-six, in Victoria, Australia (1/08/2019-8/11/2020), and in New Zealand (18/02/2020-28/10/2020). RESULTS We received 1,985 responses to the week-two survey and 1,443 responses to the week-six survey. Of the 1,985 responders, 1,744 (87.9%) had completed cardiopulmonary resuscitation (CPR) training in the last twelve months, and 1,514 (76.3%) had performed CPR at least once. The alert was seen by 1,501 (75.6%) responders, 749 (37.7%) accepted the alert, 538 (27.1%) arrived on scene, and 283 (14.3%) provided care to the patient. In the multivariable analysis, CPR training within twelve months was associated with increased odds of responders accepting alerts (AOR 1.41, 95%CI: 1.02-1.96; p=0.040). Responders who had performed CPR before, were more than twice as likely to provide patient care compared to responders who had not (AOR 2.54, 95%CI: 1.56-4.12; p<0.001). One responder screened positive for probable PTSD. CONCLUSION Acceptance rates in Australia and New Zealand were consistent with other smartphone apps. Responder recruitment should be targeted at those with medical backgrounds who have prior CPR experience, as they are more likely to provide care. The very low risk of PTSD is reassuring information when recruiting volunteers.
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Affiliation(s)
- Brian Haskins
- NHMRC Centre of Research Excellence in Pre-hospital Emergency Care Australia and NZ (PEC-ANZ), Monash University, St Kilda, Victoria, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia; Department of Paramedicine, Monash University, Frankston, Victoria, Australia.
| | - Ziad Nehme
- Department of Paramedicine, Monash University, Frankston, Victoria, Australia; Centre for Research and Evaluation, Ambulance Victoria, Doncaster, Victoria, Australia
| | - Bridget Dicker
- St John, Auckland, New Zealand; Auckland University of Technology, Auckland, New Zealand
| | - Mark H Wilson
- Imperial College Biomedical Research Centre, St Mary's Hospital, London W2 1NY, UK
| | - Michael Ray
- Ambulance Victoria, Melbourne, Victoria, Australia
| | - Stephen Bernard
- Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia; Centre for Research and Evaluation, Ambulance Victoria, Doncaster, Victoria, Australia; The Alfred Hospital, Prahran, Victoria, Australia
| | - Peter Cameron
- NHMRC Centre of Research Excellence in Pre-hospital Emergency Care Australia and NZ (PEC-ANZ), Monash University, St Kilda, Victoria, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia; The Alfred Hospital, Prahran, Victoria, Australia
| | - Karen Smith
- NHMRC Centre of Research Excellence in Pre-hospital Emergency Care Australia and NZ (PEC-ANZ), Monash University, St Kilda, Victoria, Australia; Department of Epidemiology and Preventive Medicine, Monash University, Prahran, Victoria, Australia; Department of Paramedicine, Monash University, Frankston, Victoria, Australia; Centre for Research and Evaluation, Ambulance Victoria, Doncaster, Victoria, Australia
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8
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Han MX, Yeo ANWT, Ong MEH, Smith K, Lim YL, Lin NH, Tan B, Arulanandam S, Ho AFW, Ng QX. Cardiac Arrest Occurring in High-Rise Buildings: A Scoping Review. J Clin Med 2021; 10:jcm10204684. [PMID: 34682806 PMCID: PMC8539960 DOI: 10.3390/jcm10204684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/05/2021] [Accepted: 10/08/2021] [Indexed: 11/16/2022] Open
Abstract
Out-of-hospital cardiac arrests (OHCAs) occurring in high-rise buildings are a challenge to Emergency Medical Services (EMS). Contemporary EMS guidelines lack specific recommendations for systems and practitioners regarding the approach to these patients. This scoping review aimed to map the body of literature pertaining to OHCAs in high-rise settings in order to clarify concepts and understanding and to identify knowledge gaps. Databases were searched from inception through to 6 May 2021 including OVID Medline, PubMed, Embase, CINAHL, and Scopus. Twenty-three articles were reviewed, comprising 8 manikin trials, 14 observational studies, and 1 mathematical modelling study. High-rise settings commonly have lower availability of bystanders and automatic external defibrillators (AEDs), while height constraints often lead to delays in EMS interventions and suboptimal cardiopulmonary resuscitation (CPR), scene access, and extrication. Four studies found return of spontaneous circulation (ROSC) rates to be significantly poorer, while seven studies found rates of survival-to-hospital discharge (n = 3) and neurologically favourable survival (n = 4) to be significantly lower in multistorey settings. Mechanical chest compression devices, transfer sheets, and strategic defibrillator placement were suggested as approaches to high-rise OHCA management. A shift to maximising on-scene treatment time, along with bundling novel prehospital interventions, could ameliorate some of these difficulties and improve clinical outcomes for patients.
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Affiliation(s)
- Ming Xuan Han
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (M.X.H.); (Y.L.L.); (B.T.); (S.A.)
| | - Amelia Natasha Wen Ting Yeo
- Engineering Product Development Pillar, Singapore University of Technology and Design, Singapore 487372, Singapore;
| | - Marcus Eng Hock Ong
- Department of Emergency Medicine, Singapore General Hospital, Singapore 169608, Singapore; (M.E.H.O.); (A.F.W.H.)
- SingHealth Emergency Medicine Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore 169857, Singapore
| | - Karen Smith
- Department of Community Emergency Health and Paramedic Practice, Monash University, Clayton, VIC 3800, Australia;
| | - Yu Liang Lim
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (M.X.H.); (Y.L.L.); (B.T.); (S.A.)
- MOH Holdings Pte Ltd., Singapore 099253, Singapore;
| | | | - Bobo Tan
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (M.X.H.); (Y.L.L.); (B.T.); (S.A.)
| | - Shalini Arulanandam
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (M.X.H.); (Y.L.L.); (B.T.); (S.A.)
| | - Andrew Fu Wah Ho
- Department of Emergency Medicine, Singapore General Hospital, Singapore 169608, Singapore; (M.E.H.O.); (A.F.W.H.)
- SingHealth Emergency Medicine Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore 169857, Singapore
| | - Qin Xiang Ng
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (M.X.H.); (Y.L.L.); (B.T.); (S.A.)
- MOH Holdings Pte Ltd., Singapore 099253, Singapore;
- Correspondence: ; Tel.: +65-6794-5502
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9
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Karam N, Jost D, Jouven X, Marijon E. Automated external defibrillator delivery by drones: are we ready for prime time? Eur Heart J 2021; 43:1488-1490. [PMID: 34438447 DOI: 10.1093/eurheartj/ehab565] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Nicole Karam
- Paris-Sudden Death Expertise Center (SDEC), Paris, France.,University of Paris, PARCC, INSERM, F-75015 Paris, France.,European Georges Pompidou Hospital, Cardiology Department, Paris, France
| | - Daniel Jost
- Paris-Sudden Death Expertise Center (SDEC), Paris, France.,Brigade Sapeurs-Pompiers de Paris, Paris, France
| | - Xavier Jouven
- Paris-Sudden Death Expertise Center (SDEC), Paris, France.,University of Paris, PARCC, INSERM, F-75015 Paris, France.,European Georges Pompidou Hospital, Cardiology Department, Paris, France
| | - Eloi Marijon
- Paris-Sudden Death Expertise Center (SDEC), Paris, France.,University of Paris, PARCC, INSERM, F-75015 Paris, France.,European Georges Pompidou Hospital, Cardiology Department, Paris, France
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10
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White AE, Ho AFW, Shahidah N, Asyikin N, Liew LX, Pek PP, Kua JPH, Chia MYC, Ng YY, Arulanandam S, Leong SHB, Ong MEH. An essential review of Singapore's response to out-of-hospital cardiac arrests: improvements over a ten-year period. Singapore Med J 2021; 62:438-443. [PMID: 35001113 PMCID: PMC8804483 DOI: 10.11622/smedj.2021114] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/18/2023]
Abstract
Care for patients who experience out-of-hospital cardiac arrest (OHCA) has rapidly evolved in the past decade. Increased sophistication of care in the community, emergency medical services (EMS) and hospital setting is associated with improved patient-centred outcomes. Notably, Utstein survival doubled from 11.6% to 23.1% between 2011 and 2016. These achievements involved collaboration between policymakers, clinicians and researchers, and were made possible by a strategic interplay of policy, research and implementation. We review the development and current state of OHCA in Singapore using primary population-based data from the Pan-Asian Resuscitation Outcomes Study and an unstructured search of research databases. We discuss the roles of important milestones in policy, community, dispatch, EMS and hospital interventions. Finally, we relate these interventions to relevant processes and outcomes, such as the relationship between the strategic implementation of bystander cardiopulmonary resuscitation and placement of automated external defibrillator with return of spontaneous circulation, survival to discharge and survival with favourable neurological outcomes.
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Affiliation(s)
- Alexander E White
- Unit for Prehospital Emergency Care, Singapore General Hospital, Singapore
- Pre-hospital and Emergency Research Centre, Duke-NUS Medical School, Singapore
| | - Andrew FW Ho
- Pre-hospital and Emergency Research Centre, Duke-NUS Medical School, Singapore
- Department of Emergency Medicine, Singapore General Hospital, Singapore
| | - Nur Shahidah
- Department of Emergency Medicine, Singapore General Hospital, Singapore
| | - Nurul Asyikin
- Unit for Prehospital Emergency Care, Singapore General Hospital, Singapore
| | - Le Xuan Liew
- Unit for Prehospital Emergency Care, Singapore General Hospital, Singapore
| | - Pin Pin Pek
- Pre-hospital and Emergency Research Centre, Duke-NUS Medical School, Singapore
- Department of Emergency Medicine, Singapore General Hospital, Singapore
| | - Jade PH Kua
- Emergency Department, Woodlands Health Campus, Singapore
| | | | - Yih Yng Ng
- Emergency Department, Tan Tock Seng Hospital, Singapore
- Home Team Medical Services Division, Ministry of Home Affairs, Singapore
| | - Shalini Arulanandam
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore
| | | | - Marcus EH Ong
- Department of Emergency Medicine, Singapore General Hospital, Singapore
- Health Services and Systems Research, Duke-NUS Medical School, Singapore
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11
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Ho AFW, Tan TXZ, Latiff E, Shahidah N, Ng YY, Leong BSH, Lim SL, Pek PP, Gan HN, Mao DR, Chia MYC, Cheah SO, Tham LP, Ong MEH. Assessing unrealised potential for organ donation after out-of-hospital cardiac arrest. Scand J Trauma Resusc Emerg Med 2021; 29:105. [PMID: 34321054 PMCID: PMC8317313 DOI: 10.1186/s13049-021-00924-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 07/17/2021] [Indexed: 01/13/2023] Open
Abstract
Background Organ donation after brain death is the standard practice in many countries. Rates are low globally. This study explores the potential national number of candidates for uncontrolled donations after cardiac death (uDCD) amongst out-of-hospital cardiac arrest (OHCA) patients and the influence of extracorporeal cardiopulmonary resuscitation (ECPR) on the candidacy of these potential organ donors using Singapore as a case study. Methods Using Singapore data from the Pan-Asian Resuscitation Outcomes Study, we identified all non-traumatic OHCA cases from 2010 to 2016. Four established criteria for identifying uDCD candidates (Madrid, San Carlos Madrid, Maastricht and Paris) were retrospectively applied onto the population. Within these four groups, a condensed ECPR eligibility criteria was employed and thereafter, an estimated ECPR survival rate was applied, extrapolating for possible neurologically intact survivors had ECPR been administered. Results 12,546 OHCA cases (64.8% male, mean age 65.2 years old) qualified for analysis. The estimated number of OHCA patients who were eligible for uDCD ranged from 4.3 to 19.6%. The final projected percentage of potential uDCD donors readjusted for ECPR survivors was 4.2% (Paris criteria worst-case scenario, n = 532) to 19.4% of all OHCA cases (Maastricht criteria best-case scenario, n = 2428), for an estimated 14.3 to 65.4 uDCD donors per million population per year (pmp/year). Conclusions In Singapore case study, we demonstrated the potential numbers of candidates for uDCD among resuscitated OHCA cases. This sizeable pool of potential donors demonstrates the potential for an uDCD program to expand the organ donor pool. A small proportion of these patients might however survive had they been administered ECPR. Further research into the factors influencing local organ and patient outcomes following uDCD and ECPR is indicated.
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Affiliation(s)
- Andrew Fu Wah Ho
- Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore. .,Pre-hospital and Emergency Research Center, Duke-NUS Medical School, Singapore, Singapore.
| | | | - Ejaz Latiff
- Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore
| | - Nur Shahidah
- Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore
| | - Yih Yng Ng
- Pre-hospital and Emergency Research Center, Duke-NUS Medical School, Singapore, Singapore.,Emergency Department, Tan Tock Seng Hospital, Singapore, Singapore.,Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore, Singapore
| | | | - Shir Lynn Lim
- Department of Cardiology, National University Heart Centre, Singapore, Singapore
| | - Pin Pin Pek
- Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore.,Pre-hospital and Emergency Research Center, Duke-NUS Medical School, Singapore, Singapore.,Health Services & Systems Research, Duke-NUS Medical School, Singapore, Singapore
| | - Han Nee Gan
- Accident & Emergency, Changi General Hospital, Singapore, Singapore
| | - Desmond Renhao Mao
- Department of Acute and Emergency Care, Khoo Teck Puat Hospital, Singapore, Singapore
| | | | - Si Oon Cheah
- Emergency Medicine Department, Ng Teng Fong General Hospital, Singapore, Singapore
| | - Lai Peng Tham
- Children's Emergency, KK Women's and Children's Hospital, Singapore, Singapore
| | - Marcus Eng Hock Ong
- Department of Emergency Medicine, Singapore General Hospital, Singapore, Singapore.,Emergency Department, Tan Tock Seng Hospital, Singapore, Singapore.,Health Services & Systems Research, Duke-NUS Medical School, Singapore, Singapore
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12
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Chong KM, Chen JW, Lien WC, Yang MF, Wang HC, Liu SSH, Chen YP, Chi CY, Wu MCH, Wu CY, Liao ECW, Huang EPC, He HC, Yang HW, Huang CH, Ko PCI. Attitude and behavior toward bystander cardiopulmonary resuscitation during COVID-19 outbreak. PLoS One 2021; 16:e0252841. [PMID: 34161378 PMCID: PMC8221461 DOI: 10.1371/journal.pone.0252841] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/23/2021] [Indexed: 11/18/2022] Open
Abstract
Background Outbreaks of emerging infectious diseases, such as COVID-19, have negative impacts on bystander cardiopulmonary resuscitation (BCPR) for fear of transmission while breaking social distancing rules. The latest guidelines recommend hands-only cardiopulmonary resuscitation (CPR) and facemask use. However, public willingness in this setup remains unknown. Methods A cross-sectional, unrestricted volunteer Internet survey was conducted to assess individuals’ attitudes and behaviors toward performing BCPR, pre-existing CPR training, occupational identity, age group, and gender. The raking method for weights and a regression analysis for the predictors of willingness were performed. Results Among 1,347 eligible respondents, 822 (61%) had negative attitudes toward performing BCPR. Healthcare providers (HCPs) and those with pre-existing CPR training had fewer negative attitudes (p < 0.001); HCPs and those with pre-existing CPR training and unchanged attitude showed more positive behaviors toward BCPR (p < 0.001). Further, 9.7% of the respondents would absolutely refuse to perform BCPR. In contrast, 16.9% would perform BCPR directly despite the outbreak. Approximately 9.9% would perform it if they were instructed, 23.5%, if they wore facemasks, and 40.1%, if they were to perform hands-only CPR. Interestingly, among the 822 respondents with negative attitudes, over 85% still tended to perform BCPR in the abovementioned situations. The weighted analysis showed similar results. The adjusted predictors for lower negative attitudes toward BCPR were younger age, being a man, and being an HCP; those for more positive behaviors were younger age and being an HCP. Conclusions Outbreaks of emerging infectious diseases, such as COVID-19, have negative impacts on attitudes and behaviors toward BCPR. Younger individuals, men, HCPs, and those with pre-existing CPR training tended to show fewer negative attitudes and behaviors. Meanwhile, most individuals with negative attitudes still expressed positive behaviors under safer measures such as facemask protection, hands-only CPR, and available dispatch instructions.
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Affiliation(s)
- Kah-Meng Chong
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Jiun-Wei Chen
- Department of Emergency Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Wan-Ching Lien
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Mei-Fen Yang
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Hui-Chih Wang
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Sot Shih-Hung Liu
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Emergency Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Yen-Pin Chen
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Chien-Yu Chi
- Department of Emergency Medicine, National Taiwan University Hospital Yunlin Branch, Yunlin County, Taiwan
| | - Marvin Chih-Hsien Wu
- Department of Emergency Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Cheng-Yi Wu
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Emergency Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Edward Che-Wei Liao
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Edward Pei-Chuan Huang
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
- Department of Emergency Medicine, National Taiwan University Hospital Hsin-Chu Branch, Hsinchu, Taiwan
| | - Hsien-Chin He
- Department of Family Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Hsiang-Wen Yang
- Graduate Computer-Aided Engineering Group, Civil Engineering, National Taiwan University, Taipei, Taiwan
| | - Chien-Hua Huang
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
| | - Patrick Chow-In Ko
- Department of Emergency Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei, Taiwan
- Institute of Epidemiology and Preventive Medicine, National Taiwan University, Taipei, Taiwan
- * E-mail:
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13
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Apiratwarakul K, Ruamsuk P, Suzuki T, Celebi I, Tiamkao S, Bhudhisawasdi V, Ienghong K. Development of Emergency Medical Services Amid 5 Years’ Experience at a Medical School in Thailand. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: The development of emergency medical services (EMSs) in Thailand is divided into two phases following the enactment of the Emergency Medical Act in 2007 aimed at making the work model more systematic. However, the amount of EMS operations has not been well studied.
AIM: The aim of this study was to describe the pattern of EMS operations throughout a 5-year period.
METHODS: A retrospective, single-centered study at a medical school hospital in Thailand. Data were gathered from the EMS database at Srinagarind Hospital throughout the years 2016–2020.
RESULTS: A total of 10,384 EMS operations were examined over a 5-year period (2016–2020). The mean age of patients in 2016 was 40.2 ± 3.5 years, and 55.3% (n = 1178) were male. Operations were most commonly performed during the afternoon shift (4.00 p.m.–0.00 a.m.) 41.0%, 38.6%, 39.5%, 39.2%, and 50.8%, respectively. The amount of EMS members had a tendency to increase in number throughout the 5 years of study (p = 0.022). The average times from 1669 center call receipt to arrival on scene (response time) for 2016 and 2020 were 8.52 ± 2.20 min and 5.52 ± 3.02 min, respectively (p < 0.001).
CONCLUSION: The development of EMS at Srinagarind Hospital took place with an increase in the age of patients, number of operations in the afternoon shift, and EMS members, yet with a decrease in response times.
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14
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Lim SL, Shahidah N, Saffari SE, Ng QX, Ho AFW, Leong BSH, Arulanandam S, Siddiqui FJ, Ong MEH. Impact of COVID-19 on Out-of-Hospital Cardiac Arrest in Singapore. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18073646. [PMID: 33807454 PMCID: PMC8036681 DOI: 10.3390/ijerph18073646] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 03/23/2021] [Accepted: 03/26/2021] [Indexed: 02/07/2023]
Abstract
This study aimed to evaluate the impact of the Coronavirus Disease 2019 (COVID-19) pandemic on out-of-hospital cardiac arrest (OHCA) in Singapore. We used data from the Singapore Civil Defence Force to compare the incidence, characteristics and outcomes of all Emergency Medical Services (EMS)-attended adult OHCA during the pandemic (January-May 2020) and pre-pandemic (January-May 2018 and 2019) periods. Pre-hospital return of spontaneous circulation (ROSC) was the primary outcome. Binary logistic regression was used to calculate the adjusted odds ratios (aOR) for the characteristics of OHCA. Of the 3893 OHCA patients (median age 72 years, 63.7% males), 1400 occurred during the pandemic period and 2493 during the pre-pandemic period. Compared with the pre-pandemic period, OHCAs during the pandemic period more likely occurred at home (aOR: 1.48; 95% CI: 1.24-1.75) and were witnessed (aOR: 1.71; 95% CI: 1.49-1.97). They received less bystander CPR (aOR: 0.70; 95% CI: 0.61-0.81) despite 65% of witnessed arrests by a family member, and waited longer for EMS (OR ≥ 10 min: 1.71, 95% CI 1.46-2.00). Pre-hospital ROSC was less likely during the pandemic period (aOR: 0.67; 95% CI: 0.53-0.84). The pandemic saw increased OHCA incidence and worse outcomes in Singapore, likely indirect effects of COVID-19.
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Affiliation(s)
- Shir Lynn Lim
- Department of Cardiology, National University Heart Center, Singapore 119228, Singapore
- Correspondence: ; Tel.: +65-6772-3301
| | - Nur Shahidah
- Department of Emergency Medicine, Singapore General Hospital, Singapore 169608, Singapore; (N.S.); (A.F.W.H.); (M.E.H.O.)
| | - Seyed Ehsan Saffari
- Center for Quantitative Medicine, Duke-National University of Singapore Medical School, Singapore 169857, Singapore;
| | - Qin Xiang Ng
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (Q.X.N.); (S.A.)
| | - Andrew Fu Wah Ho
- Department of Emergency Medicine, Singapore General Hospital, Singapore 169608, Singapore; (N.S.); (A.F.W.H.); (M.E.H.O.)
- SingHealth Emergency Medicine Academic Clinical Programme, Duke-National University of Singapore Medical School, Singapore 169857, Singapore
- Pre-Hospital and Emergency Research Center, Duke-National University of Singapore Medical School, Singapore 169857, Singapore;
| | | | - Shalini Arulanandam
- Emergency Medical Services Department, Singapore Civil Defence Force, Singapore 408827, Singapore; (Q.X.N.); (S.A.)
| | - Fahad Javaid Siddiqui
- Pre-Hospital and Emergency Research Center, Duke-National University of Singapore Medical School, Singapore 169857, Singapore;
- Health Services and Systems Research, Duke-National University of Singapore Medical School, Singapore 169857, Singapore
| | - Marcus Eng Hock Ong
- Department of Emergency Medicine, Singapore General Hospital, Singapore 169608, Singapore; (N.S.); (A.F.W.H.); (M.E.H.O.)
- Pre-Hospital and Emergency Research Center, Duke-National University of Singapore Medical School, Singapore 169857, Singapore;
- Health Services and Systems Research, Duke-National University of Singapore Medical School, Singapore 169857, Singapore
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15
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Metelmann C, Metelmann B, Kohnen D, Brinkrolf P, Andelius L, Böttiger BW, Burkart R, Hahnenkamp K, Krammel M, Marks T, Müller MP, Prasse S, Stieglis R, Strickmann B, Thies KC. Smartphone-based dispatch of community first responders to out-of-hospital cardiac arrest - statements from an international consensus conference. Scand J Trauma Resusc Emerg Med 2021; 29:29. [PMID: 33526058 PMCID: PMC7852085 DOI: 10.1186/s13049-021-00841-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 01/19/2021] [Indexed: 12/11/2022] Open
Abstract
Background Over the past decade Smartphone-based activation (SBA) of Community First Responders (CFR) to out-of-hospital cardiac arrests (OHCA) has gained much attention and popularity throughout Europe. Various programmes have been established, and interestingly there are considerable differences in technology, responder spectrum and the degree of integration into the prehospital emergency services. It is unclear whether these dissimilarities affect outcome. This paper reviews the current state in five European countries, reveals similarities and controversies, and presents consensus statements generated in an international conference with the intention to support public decision making on future strategies for SBA of CFR. Methods In a consensus conference a three-step approach was used: (i) presentation of current research from five European countries; (ii) workshops discussing evidence amongst the audience to generate consensus statements; (iii) anonymous real-time voting applying the modified RAND-UCLA Appropriateness method to adopt or reject the statements. The consensus panel aimed to represent all stakeholders involved in this topic. Results While 21 of 25 generated statements gained approval, consensus was only found for 5 of them. One statement was rejected but without consensus. Members of the consensus conference confirmed that CFR save lives. They further acknowledged the crucial role of emergency medical control centres and called for nationwide strategies. Conclusions Members of the consensus conference acknowledged that smartphone-based activation of CFR to OHCA saves lives. The statements generated by the consensus conference may assist the public, healthcare services and governments to utilise these systems to their full potential, and direct the research community towards fields that still need to be addressed. Supplementary Information The online version contains supplementary material available at 10.1186/s13049-021-00841-1.
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Affiliation(s)
- Camilla Metelmann
- Department of Anaesthesiology, University Medicine Greifswald, Ferdinand-Sauerbruch Straße 1, 17489, Greifswald, Germany.
| | - Bibiana Metelmann
- Department of Anaesthesiology, University Medicine Greifswald, Ferdinand-Sauerbruch Straße 1, 17489, Greifswald, Germany
| | - Dorothea Kohnen
- zeb.business school, Steinbeis University Berlin, Münster, Germany
| | - Peter Brinkrolf
- Department of Anaesthesiology, University Medicine Greifswald, Ferdinand-Sauerbruch Straße 1, 17489, Greifswald, Germany
| | - Linn Andelius
- Copenhagen Emergency Medical Services, University of Copenhagen, Copenhagen, Denmark
| | - Bernd W Böttiger
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Cologne, Germany
| | | | - Klaus Hahnenkamp
- Department of Anaesthesiology, University Medicine Greifswald, Ferdinand-Sauerbruch Straße 1, 17489, Greifswald, Germany
| | - Mario Krammel
- Emergency Medical Service Vienna, Vienna, Austria.,PULS Austrian Cardiac Arrest Awareness Association, Vienna, Austria
| | - Tore Marks
- Department of Anaesthesiology, University Medicine Greifswald, Ferdinand-Sauerbruch Straße 1, 17489, Greifswald, Germany
| | - Michael P Müller
- Department of Anaesthesiology, Intensive Care and Emergency Medicine, St. Josefskrankenhaus, Freiburg im Breisgau, Germany
| | | | - Remy Stieglis
- Department of Cardiology, Amsterdam UMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Bernd Strickmann
- Emergency Medical Service, City and District of Gütersloh, Gütersloh, Germany
| | - Karl Christian Thies
- Department of Anaesthesiology, University Medicine Greifswald, Ferdinand-Sauerbruch Straße 1, 17489, Greifswald, Germany.,Klinik für Anaesthesiologie, EvKB, Universitätsklinikum OWL der Universitaet Bielefeld, Campus Bielefeld-Bethel, Burgsteig 13, 33617, Bielefeld, Germany
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