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Aim: Out-of-hospital cardiac arrest (OHCA) is a life-threatening emergency that requires rapid and efficient intervention. Recently, several novel approaches have emerged and have been incorporated into resuscitation systems in some local areas of Japan. This review describes innovative resuscitation systems and highlights their strengths. Main text: First, we discuss the deployment of a physician-staffed ambulance, in which emergency physicians offer advanced resuscitation to patients with OHCA on site. In addition, we describe the experimental practice of extracorporeal membrane oxygenation (ECPR) in a prehospital setting. Second, we describe a physician-staffed helicopter, wherein a medical team provides advanced resuscitation at the scene. We also explain their initiative to provide early ECPR, even in remote areas. Finally, we provide an overview of the “hybrid ER” system which is a “one-fits-all” resuscitation bay equipped with computed tomography and fluoroscopy equipment. This system is expected to help swiftly identify and rule out irreversible causes of cardiac arrest, such as massive subarachnoid hemorrhage, and implement ECPR without delay. Conclusion: Although these revolutionary approaches may improve the outcomes of patients with OHCA, evidence of their effectiveness remains limited. In addition, it is crucial to ensure cost-effectiveness and sustainability. We will continue to work diligently to assess the effectiveness of these systems and focus on the development of cost-effective and sustainable systems.

Background: The prognosis of out-of-hospital cardiac arrest remains poor, especially for cardiopulmonary arrest patients in rural areas with longer transport duration to hospitals., Case Presentation: In June 2016, we began providing prehospital extracorporeal life support using a mobile operating room for emergency surgery. We report two patients who survived after receiving prehospital extracorporeal cardiopulmonary resuscitation and were discharged. A patient with cardiopulmonary arrest from accidental hypothermia due to drowning survived with good neurological outcomes after on-site extracorporeal cardiopulmonary resuscitation immediately after rescue. The other patient who survived experienced cardiopulmonary arrest at his workplace, which was approximately 90 min from the center. Prehospital extracorporeal cardiopulmonary resuscitation shortened the cardiopulmonary arrest time by an estimated 30 min, and the patient survived until the hospital., Conclusion: Prehospital extracorporeal cardiopulmonary resuscitation has the potential to save lives in rural areas by reducing low-flow time., Competing Interests: Approval of the research protocol: N/A. Informed consent: Informed consent was obtained from the subjects and their families. Registry and the registration no. of the study/trial: N/A. Animal studies: N/A. Conflict of interest: None., (© 2020 The Authors. Acute Medicine & Surgery published by John Wiley & Sons Australia, Ltd on behalf of Japanese Association for Acute Medicine.)