Ben Beck1, Janet Bray2, Peter Cameron3, Karen Smith4, Tony Walker5, Hugh Grantham6, Cindy Hein7, Melanie Thorrowgood8, Anthony Smith9, Madoka Inoue10, Tony Smith11, Bridget Dicker12, Andy Swain13, Emma Bosley14, Katherine Pemberton15, Michael McKay16, Malcolm Johnston-Leek16, Gavin D Perkins17, Graham Nichol18, Judith Finn19. 1. Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia. Electronic address: ben.beck@monash.edu. 2. Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia; Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), Curtin University, Western Australia, Australia; Emergency and Trauma Centre, The Alfred, Melbourne, Victoria, Australia. 3. Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia; Emergency and Trauma Centre, The Alfred, Melbourne, Victoria, Australia. 4. Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia; Ambulance Victoria, Victoria, Australia; Department of Community Emergency Health and Paramedic Practice, Monash University, Australia. 5. Ambulance Victoria, Victoria, Australia. 6. Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), Curtin University, Western Australia, Australia; Flinders University, South Australia, Australia; SA Ambulance Service, South Australia, Australia. 7. Flinders University, South Australia, Australia; SA Ambulance Service, South Australia, Australia. 8. SA Ambulance Service, South Australia, Australia. 9. St John Ambulance Western Australia, Western Australia, Australia. 10. Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), Curtin University, Western Australia, Australia. 11. St John, Auckland, New Zealand. 12. St John, Auckland, New Zealand; Auckland University of Technology, Auckland, New Zealand. 13. Auckland University of Technology, Auckland, New Zealand; Wellington Free Ambulance, Wellington, New Zealand. 14. Queensland Ambulance Service, Queensland, Australia; School of Clinical Sciences, Queensland University of Technology, Brisbane, Queensland, Australia. 15. Queensland Ambulance Service, Queensland, Australia. 16. St John Ambulance NT, Northern Territory, Australia. 17. Warwick Medical School, University of Warwick, Coventry, United Kingdom. 18. University of Washington-Harborview Center for Prehospital Emergency Care, University of Washington, Seattle, WA, United States. 19. Department of Epidemiology and Preventive Medicine, Monash University, Victoria, Australia; Prehospital, Resuscitation and Emergency Care Research Unit (PRECRU), Curtin University, Western Australia, Australia; St John Ambulance Western Australia, Western Australia, Australia.
Abstract
INTRODUCTION: The aim of this study was to investigate regional variation in the characteristics, incidence and outcomes of out-of-hospital cardiac arrest (OHCA) in Australia and New Zealand. METHODS: This was a population-based cohort study of OHCA using data from the Aus-ROC Australian and New Zealand OHCA Epistry over the period of 01 January 2015-31 December 2015. Seven ambulance services contributed data to the Epistry with a capture population of 19.8 million people. All OHCA attended by ambulance, regardless of aetiology or patient age, were included. RESULTS: In 2015, there were 19,722 OHCA cases recorded in the Aus-ROC Epistry with an overall crude incidence of 102.5 cases per 100,000 population (range: 51.0-107.7 per 100,000 population). Of all OHCA cases attended by EMS (excluding EMS-witnessed cases), bystander CPR was performed in 41% of cases (range: 36%-50%). Resuscitation was attempted (by EMS) in 48% of cases (range: 40%-68%). The crude incidence for attempted resuscitation cases was 47.6 per 100,000 population (range: 34.7-54.1 per 100,000 population). Of cases with attempted resuscitation, 28% survived the event (range: 21%-36%) and 12% survived to hospital discharge or 30 days (range: 9%-17%; data provided by five ambulance services). CONCLUSION: In the first results of the Aus-ROC Australian and New Zealand OHCA Epistry, significant regional variation in the incidence, characteristics and outcomes was observed. Understanding the system-level and public health drivers of this variation will assist in optimisation of the chain of survival provided to OHCA patients with the aim of improving outcomes.
INTRODUCTION: The aim of this study was to investigate regional variation in the characteristics, incidence and outcomes of out-of-hospital cardiac arrest (OHCA) in Australia and New Zealand. METHODS: This was a population-based cohort study of OHCA using data from the Aus-ROC Australian and New Zealand OHCA Epistry over the period of 01 January 2015-31 December 2015. Seven ambulance services contributed data to the Epistry with a capture population of 19.8 million people. All OHCA attended by ambulance, regardless of aetiology or patient age, were included. RESULTS: In 2015, there were 19,722 OHCA cases recorded in the Aus-ROC Epistry with an overall crude incidence of 102.5 cases per 100,000 population (range: 51.0-107.7 per 100,000 population). Of all OHCA cases attended by EMS (excluding EMS-witnessed cases), bystander CPR was performed in 41% of cases (range: 36%-50%). Resuscitation was attempted (by EMS) in 48% of cases (range: 40%-68%). The crude incidence for attempted resuscitation cases was 47.6 per 100,000 population (range: 34.7-54.1 per 100,000 population). Of cases with attempted resuscitation, 28% survived the event (range: 21%-36%) and 12% survived to hospital discharge or 30 days (range: 9%-17%; data provided by five ambulance services). CONCLUSION: In the first results of the Aus-ROC Australian and New Zealand OHCA Epistry, significant regional variation in the incidence, characteristics and outcomes was observed. Understanding the system-level and public health drivers of this variation will assist in optimisation of the chain of survival provided to OHCA patients with the aim of improving outcomes.
Authors: Sandra C Thompson; Lee Nedkoff; Judith Katzenellenbogen; Mohammad Akhtar Hussain; Frank Sanfilippo Journal: Int J Environ Res Public Health Date: 2019-12-15 Impact factor: 3.390
Authors: Ingvild B M Tjelmeland; Jan Wnent; Siobhan Masterson; Jo Kramer-Johansen; Jan-Thorsten Gräsner Journal: Scand J Trauma Resusc Emerg Med Date: 2021-06-21 Impact factor: 2.953
Authors: Melanie R Wittwer; Mohammed Ishaq Ruknuddeen; Mel Thorrowgood; Chris Zeitz; John F Beltrame; Margaret A Arstall Journal: Resusc Plus Date: 2021-05-16