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Vincent JL, De Backer D. Circulatory shock. <i>N Engl J Med<\/i> 2013; 369: 1726\u20131734.","DOI":"10.1056\/NEJMra1208943"},{"key":"2","unstructured":"2. Berg DD, Bohula EA, van Diepen S, Katz JN, Alviar CL, Baird-Zars VM, et al. Epidemiology of shock in contemporary cardiac intensive care units. <i>Circ Cardiovasc Qual Outcomes<\/i> 2019; 12: e005618."},{"key":"3","doi-asserted-by":"crossref","unstructured":"3. Ueki Y, Mohri M, Matoba T, Tsujita Y, Yamasaki M, Tachibana E, et al. Characteristics and predictors of mortality in patients with cardiovascular shock in Japan: Results from the Japanese Circulation Society Cardiovascular Shock Registry. <i>Circ J<\/i> 2016; 80: 852\u2013859.","DOI":"10.1253\/circj.CJ-16-0125"},{"key":"4","doi-asserted-by":"crossref","unstructured":"4. Tehrani BN, Truesdell AG, Psotka MA, Rosner C, Singh R, Sinha SS, et al. A standardized and comprehensive approach to the management of cardiogenic shock. <i>JACC Heart Fail<\/i> 2020; 8: 879\u2013891.","DOI":"10.1016\/j.jchf.2020.09.005"},{"key":"5","doi-asserted-by":"crossref","unstructured":"5. van Diepen S, Katz JN, Albert NM, Henry TD, Jacobs AK, Kapur NK, et al. Contemporary management of cardiogenic shock: A scientific statement from the American Heart Association. <i>Circulation<\/i> 2017; 136: e232\u2013e268.","DOI":"10.1161\/CIR.0000000000000525"},{"key":"6","doi-asserted-by":"crossref","unstructured":"6. Yokoyama H, Nagao K, Hase M, Tahara Y, Hazui H, Arimoto H, et al. Impact of therapeutic hypothermia in the treatment of patients with out-of-hospital cardiac arrest from the J-PULSE-HYPO study registry. <i>Circ J<\/i> 2011; 75: 1063\u20131070.","DOI":"10.1253\/circj.CJ-11-0137"},{"key":"7","doi-asserted-by":"crossref","unstructured":"7. Yokoyama H, Yonemoto N, Yonezawa K, Fuse J, Shimizu N, Hayashi T, et al. Report from the Japanese Registry of CPR for In-hospital Cardiac Arrest (J-RCPR). <i>Circ J<\/i> 2011; 75: 815\u2013822.","DOI":"10.1253\/circj.CJ-11-0136"},{"key":"8","doi-asserted-by":"crossref","unstructured":"8. Nakashima T, Noguchi T, Tahara Y, Nishimura K, Ogata S, Yasuda S, et al. Patients with refractory out-of-cardiac arrest and sustained ventricular fibrillation as candidates for extracorporeal cardiopulmonary resuscitation: Prospective multi-center observational study. <i>Circ J<\/i> 2019; 83: 1011\u20131018.","DOI":"10.1253\/circj.CJ-18-1257"},{"key":"9","doi-asserted-by":"crossref","unstructured":"9. Hochman JS, Sleeper LA, Webb JG, Sanborn TA, White HD, Talley JD, et al. Early revascularization in acute myocardial infarction complicated by cardiogenic shock. SHOCK Investigators. Should We Emergently Revascularize Occluded Coronaries for Cardiogenic Shock. <i>N Engl J Med<\/i> 1999; 341: 625\u2013634.","DOI":"10.1056\/NEJM199908263410901"},{"key":"10","doi-asserted-by":"crossref","unstructured":"10. Berger PB, Holmes DR Jr, Stebbins AL, Bates ER, Califf RM, Topol EJ. Impact of an aggressive invasive catheterization and revascularization strategy on mortality in patients with cardiogenic shock in the Global Utilization of Streptokinase and Tissue Plasminogen Activator for Occluded Coronary Arteries (GUSTO-I) trial. An observational study. <i>Circulation<\/i> 1997; 96: 122\u2013127.","DOI":"10.1161\/01.CIR.96.1.122"},{"key":"11","doi-asserted-by":"crossref","unstructured":"11. Kikuchi M, Tahara Y, Yamaguchi J, Nakashima T, Nomura O, Tanaka A, et al. 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Matoba T, Sakamoto K, Nakai M, Ichimura K, Mohri M, Tsujita Y, et al. Institutional characteristics and prognosis of acute myocardial infarction with cardiogenic shock in Japan: Analysis from the JROAD\/JROAD-DPC database. <i>Circ J<\/i> 2021; 85: 1797\u20131805.","DOI":"10.1253\/circj.CJ-20-0655"},{"key":"15","doi-asserted-by":"crossref","unstructured":"15. Kondo T, Araki T, Imaizumi T, Sumita Y, Nakai M, Tanaka A, et al. Prognosis in patients with cardiogenic shock who received temporary mechanical circulatory support. <i>JACC Asia<\/i> 2023; 3: 122\u2013134.","DOI":"10.1016\/j.jacasi.2022.10.004"},{"key":"16","doi-asserted-by":"crossref","unstructured":"16. Thiele H, Ohman EM, Desch S, Eitel I, de Waha S. Management of cardiogenic shock. <i>Eur Heart J<\/i> 2015; 36: 1223\u20131230.","DOI":"10.1093\/eurheartj\/ehv051"},{"key":"17","doi-asserted-by":"crossref","unstructured":"17. Thiele H, Zeymer U, Neumann FJ, Ferenc M, Olbrich HG, Hausleiter J, et al. Intraaortic balloon support for myocardial infarction with cardiogenic shock. <i>N Engl J Med<\/i> 2012; 367: 1287\u20131296.","DOI":"10.1056\/NEJMoa1208410"},{"key":"18","doi-asserted-by":"crossref","unstructured":"18. Nakashima T, Kondo T, Nakata J, Saku K, Kawakami S, Kuwabara M, et al. Expert consensus statement on the evaluation, treatment, and transfer of cardiogenic shock using a Delphi method approach: A report of the Japan Critical Care Cardiology Committee (J4CS). <i>Circ J<\/i> 2025; 89: 998\u20131011.","DOI":"10.1253\/circj.CJ-25-0192"},{"key":"19","doi-asserted-by":"crossref","unstructured":"19. Arai R, Murata N, Saito Y, Kojima K, Fukamachi D, Okumura Y; The J-PVAD Investigators. Prognostic survey of ECPELLA in Japanese patients with acute myocardial infarction and cardiogenic shock: Findings from the Japanese Registry for Percutaneous Ventricular Assist Device (J-PVAD). <i>Circ J<\/i> 2025; 89: 1778\u20131785.","DOI":"10.1253\/circj.CJ-24-0522"},{"key":"20","doi-asserted-by":"crossref","unstructured":"20. Higuchi R, Nanasato M, Hosoya Y, Isobe M; J-PVAD Investigators. Outcomes of older patients with cardiogenic shock using the Impella device: Insights from the Japanese Registry for Percutaneous Ventricular Assist Device (J-PVAD). <i>Circ Rep<\/i> 2024; 6: 505\u2013513.","DOI":"10.1253\/circrep.CR-24-0111"},{"key":"21","doi-asserted-by":"crossref","unstructured":"21. Ikeda Y, Ako J, Toda K, Hirayama A, Kinugawa K, Kobayashi Y, et al. Short-term outcomes of impella support in Japanese patients with cardiogenic shock due to acute myocardial infarction: Japanese Registry for Percutaneous Ventricular Assist Device (J-PVAD). <i>Circ J<\/i> 2023; 87: 588\u2013597.","DOI":"10.1253\/circj.CJ-22-0476"},{"key":"22","doi-asserted-by":"crossref","unstructured":"22. Aboal J, Pascual J, Loma-Osorio P, Nunez M, Badosa E, Martin C, et al. Impact of a cardiogenic shock program on mortality in a non-transplant hospital. <i>Heart Lung Circ<\/i> 2024; 33: 38\u201345.","DOI":"10.1016\/j.hlc.2023.11.010"},{"key":"23","doi-asserted-by":"crossref","unstructured":"23. Belfioretti L, Francioni M, Battistoni I, Angelini L, Matassini MV, Pongetti G, et al. Evolution of cardiogenic shock management and development of a multidisciplinary team-based approach: Ten years experience of a single center. <i>J Clin Med<\/i> 2024; 13: 2101.","DOI":"10.3390\/jcm13072101"},{"key":"24","doi-asserted-by":"crossref","unstructured":"24. 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Multidisciplinary code shock team in cardiogenic shock: A Canadian centre experience. <i>CJC Open<\/i> 2020; 2: 249\u2013257.","DOI":"10.1016\/j.cjco.2020.03.009"},{"key":"27","doi-asserted-by":"crossref","unstructured":"27. Taleb I, Koliopoulou AG, Tandar A, McKellar SH, Tonna JE, Nativi-Nicolau J, et al. Shock team approach in refractory cardiogenic shock requiring short-term mechanical circulatory support: A proof of concept. <i>Circulation<\/i> 2019; 140: 98\u2013100.","DOI":"10.1161\/CIRCULATIONAHA.119.040654"},{"key":"28","doi-asserted-by":"crossref","unstructured":"28. Liberati A, Altman DG, Tetzlaff J, Mulrow C, Gotzsche PC, Ioannidis JP, et al. The PRISMA statement for reporting systematic reviews and meta-analyses of studies that evaluate health care interventions: Explanation and elaboration. <i>J Clin Epidemiol<\/i> 2009; 62: e1\u2013e34.","DOI":"10.1016\/j.jclinepi.2009.06.006"},{"key":"29","doi-asserted-by":"crossref","unstructured":"29. Page MJ, Moher D, Bossuyt PM, Boutron I, Hoffmann TC, Mulrow CD, et al. PRISMA 2020 explanation and elaboration: Updated guidance and exemplars for reporting systematic reviews. <i>BMJ<\/i> 2021; 372: n160.","DOI":"10.1136\/bmj.n160"},{"key":"30","doi-asserted-by":"crossref","unstructured":"30. Sterne JA, Hernan MA, Reeves BC, Savovic J, Berkman ND, Viswanathan M, et al. ROBINS-I: A tool for assessing risk of bias in non-randomised studies of interventions. <i>BMJ<\/i> 2016; 355: i4919.","DOI":"10.1136\/bmj.i4919"},{"key":"31","doi-asserted-by":"crossref","unstructured":"31. Atkins D, Eccles M, Flottorp S, Guyatt GH, Henry D, Hill S, et al. Systems for grading the quality of evidence and the strength of recommendations I: Critical appraisal of existing approaches The GRADE Working Group. <i>BMC Health Serv Res<\/i> 2004; 4: 38.","DOI":"10.1186\/1472-6963-4-38"},{"key":"32","doi-asserted-by":"crossref","unstructured":"32. Guyatt GH, Oxman AD, Schunemann HJ, Tugwell P, Knottnerus A. GRADE guidelines: A new series of articles in the Journal of Clinical Epidemiology. <i>J Clin Epidemiol<\/i> 2011; 64: 380\u2013382.","DOI":"10.1016\/j.jclinepi.2010.09.011"},{"key":"33","doi-asserted-by":"crossref","unstructured":"33. Huedo-Medina TB, Sanchez-Meca J, Marin-Martinez F, Botella J. Assessing heterogeneity in meta-analysis: Q statistic or I<sup>2<\/sup> index? <i>Psychol Methods<\/i> 2006; 11: 193\u2013206.","DOI":"10.1037\/1082-989X.11.2.193"},{"key":"34","doi-asserted-by":"crossref","unstructured":"34. Papolos AI, Kenigsberg BB, Berg DD, Alviar CL, Bohula E, Burke JA, et al. Management and outcomes of cardiogenic shock in cardiac ICUs with versus without shock teams. <i>J Am Coll Cardiol<\/i> 2021; 78: 1309\u20131317.","DOI":"10.1016\/j.jacc.2021.07.044"},{"key":"35","doi-asserted-by":"crossref","unstructured":"35. Sotomi Y, Sato N, Kajimoto K, Sakata Y, Mizuno M, Minami Y, et al. Impact of pulmonary artery catheter on outcome in patients with acute heart failure syndromes with hypotension or receiving inotropes: From the ATTEND Registry. <i>Int J Cardiol<\/i> 2014; 172: 165\u2013172.","DOI":"10.1016\/j.ijcard.2013.12.174"},{"key":"36","doi-asserted-by":"crossref","unstructured":"36. Binanay C, Califf RM, Hasselblad V, O\u2019Connor CM, Shah MR, Sopko G, et al. Evaluation study of congestive heart failure and pulmonary artery catheterization effectiveness: The ESCAPE trial. <i>JAMA<\/i> 2005; 294: 1625\u20131633.","DOI":"10.1001\/jama.294.13.1625"},{"key":"37","doi-asserted-by":"crossref","unstructured":"37. Garan AR, Kanwar M, Thayer KL, Whitehead E, Zweck E, Hernandez-Montfort J, et al. Complete hemodynamic profiling with pulmonary artery catheters in cardiogenic shock is associated with lower in-hospital mortality. <i>JACC Heart Fail<\/i> 2020; 8: 903\u2013913.","DOI":"10.1016\/j.jchf.2020.08.012"},{"key":"38","doi-asserted-by":"crossref","unstructured":"38. 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