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Bjertnæs LJ, Hindberg K, Næsheim TO, Suborov EV, Reierth E, Kirov MY, Lebedinskii KM, Tveita T. Rewarming From Hypothermic Cardiac Arrest Applying Extracorporeal Life Support: A Systematic Review and Meta-Analysis. Front Med (Lausanne) 2021; 8:641633. [PMID: 34055829 PMCID: PMC8155640 DOI: 10.3389/fmed.2021.641633] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/04/2021] [Indexed: 12/02/2022] Open
Abstract
Introduction: This systematic review and meta-analysis aims at comparing outcomes of rewarming after accidental hypothermic cardiac arrest (HCA) with cardiopulmonary bypass (CPB) or/and extracorporeal membrane oxygenation (ECMO). Material and Methods: Literature searches were limited to references with an abstract in English, French or German. Additionally, we searched reference lists of included papers. Primary outcome was survival to hospital discharge. We assessed neurological outcome, differences in relative risks (RR) of surviving, as related to the applied rewarming technique, sex, asphyxia, and witnessed or unwitnessed HCA. We calculated hypothermia outcome prediction probability score after extracorporeal life support (HOPE) in patients in whom we found individual data. P < 0.05 considered significant. Results: Twenty-three case observation studies comprising 464 patients were included in a meta-analysis comparing outcomes of rewarming with CPB or/and ECMO. One-hundred-and-seventy-two patients (37%) survived to hospital discharge, 76 of 245 (31%) after CPB and 96 of 219 (44 %) after ECMO; 87 and 75%, respectively, had good neurological outcomes. Overall chance of surviving was 41% higher (P = 0.005) with ECMO as compared with CPB. A man and a woman had 46% (P = 0.043) and 31% (P = 0.115) higher chance, respectively, of surviving with ECMO as compared with CPB. Avalanche victims had the lowest chance of surviving, followed by drowning and people losing consciousness in cold environments. Assessed by logistic regression, asphyxia, unwitnessed HCA, male sex, high initial body temperature, low pH and high serum potassium (s-K+) levels were associated with reduced chance of surviving. In patients displaying individual data, overall mean predictive surviving probability (HOPE score; n = 134) was 33.9 ± 33.6% with no significant difference between ECMO and CPB-treated patients. We also surveyed 80 case reports with 96 victims of HCA, who underwent resuscitation with CPB or ECMO, without including them in the meta-analysis. Conclusions: The chance of surviving was significantly higher after rewarming with ECMO, as compared to CPB, and in patients with witnessed compared to unwitnessed HCA. Avalanche victims had the lowest probability of surviving. Male sex, high initial body temperature, low pH, and high s-K+ were factors associated with low surviving chances.
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Affiliation(s)
- Lars J. Bjertnæs
- Anesthesia and Critical Care Research Group, University of Tromsø (UiT), The Arctic University of Norway, Tromsø, Norway
| | - Kristian Hindberg
- K. G. Jebsen Thrombosis Research and Expertise Center, University of Tromsø (UiT), The Arctic University of Norway, Tromsø, Norway
| | - Torvind O. Næsheim
- Cardiovascular Research Group, Department of Clinical Medicine, Faculty of Health Sciences, University of Tromsø (UiT), The Arctic University of Norway, Tromsø, Norway
| | - Evgeny V. Suborov
- The Nikiforov Russian Federation Center of Emergency and Radiation Medicine, St. Petersburg, Russia
| | - Eirik Reierth
- Science and Health Library, University of Tromsø, The Arctic University of Norway, Tromsø, Norway
| | - Mikhail Y. Kirov
- Department of Anesthesiology and Intensive Care, Northern State Medical University, Arkhangelsk, Russia
| | - Konstantin M. Lebedinskii
- Department of Anesthesiology and Intensive Care, North-Western State Medical University Named After I. I. Mechnikov, St. Petersburg, Russia
- Federal Research and Clinical Center of Intensive Care Medicine and Rehabilitology, Moscow, Russia
| | - Torkjel Tveita
- Anesthesia and Critical Care Research Group, University of Tromsø (UiT), The Arctic University of Norway, Tromsø, Norway
- Division of Surgical Medicine and Intensive Care, University Hospital of North Norway, Tromsø, Norway
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Dow J, Giesbrecht GG, Danzl DF, Brugger H, Sagalyn EB, Walpoth B, Auerbach PS, McIntosh SE, Némethy M, McDevitt M, Schoene RB, Rodway GW, Hackett PH, Zafren K, Bennett BL, Grissom CK. Wilderness Medical Society Clinical Practice Guidelines for the Out-of-Hospital Evaluation and Treatment of Accidental Hypothermia: 2019 Update. Wilderness Environ Med 2019; 30:S47-S69. [PMID: 31740369 DOI: 10.1016/j.wem.2019.10.002] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 10/03/2019] [Accepted: 10/09/2019] [Indexed: 01/16/2023]
Abstract
To provide guidance to clinicians, the Wilderness Medical Society convened an expert panel to develop evidence-based guidelines for the out-of-hospital evaluation and treatment of victims of accidental hypothermia. The guidelines present the main diagnostic and therapeutic modalities and provide recommendations for the management of hypothermic patients. The panel graded the recommendations based on the quality of supporting evidence and a balance between benefits and risks/burdens according to the criteria published by the American College of Chest Physicians. The guidelines also provide suggested general approaches to the evaluation and treatment of accidental hypothermia that incorporate specific recommendations. This is the 2019 update of the Wilderness Medical Society Practice Guidelines for the Out-of-Hospital Evaluation and Treatment of Accidental Hypothermia: 2014 Update.
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Affiliation(s)
- Jennifer Dow
- Alaska Regional Hospital Anchorage, Anchorage, AK; National Park Service: Alaska Region, Anchorage, AK.
| | - Gordon G Giesbrecht
- Faculty of Kinesiology and Recreation Management, Departments of Anesthesia and Emergency Medicine, University of Manitoba, Winnipeg, Canada
| | - Daniel F Danzl
- Department of Emergency Medicine, University of Louisville, School of Medicine, Louisville, KY
| | - Hermann Brugger
- International Commission for Mountain Emergency Medicine (ICAR MEDCOM), Bolzano, Italy; Institute of Mountain Emergency Medicine, EURAC Research, Bolzano, Italy
| | | | - Beat Walpoth
- Service of Cardiovascular Surgery, University Hospital of Geneva, Geneva, Switzerland
| | - Paul S Auerbach
- Departments of Emergency Medicine and Surgery, Stanford University School of Medicine, Stanford, CA
| | - Scott E McIntosh
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT
| | | | | | | | - George W Rodway
- School of Nursing, University of California, Davis, Sacramento, CA
| | - Peter H Hackett
- Division of Emergency Medicine, Altitude Research Center, University of Colorado School of Medicine, Denver, CO; Institute for Altitude Medicine, Telluride, CO
| | - Ken Zafren
- International Commission for Mountain Emergency Medicine (ICAR MEDCOM), Bolzano, Italy; Departments of Emergency Medicine and Surgery, Stanford University School of Medicine, Stanford, CA
| | - Brad L Bennett
- Military & Emergency Medicine Department, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD
| | - Colin K Grissom
- Division of Pulmonary and Critical Care Medicine, Intermountain Medical Center and the University of Utah, Salt Lake City, UT
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Frei C, Darocha T, Debaty G, Dami F, Blancher M, Carron P, Oddo M, Pasquier M. Clinical characteristics and outcomes of witnessed hypothermic cardiac arrest: A systematic review on rescue collapse. Resuscitation 2019; 137:41-48. [DOI: 10.1016/j.resuscitation.2019.02.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 11/27/2022]
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Zafren K, Giesbrecht GG, Danzl DF, Brugger H, Sagalyn EB, Walpoth B, Weiss EA, Auerbach PS, McIntosh SE, Némethy M, McDevitt M, Dow J, Schoene RB, Rodway GW, Hackett PH, Bennett BL, Grissom CK. Wilderness Medical Society practice guidelines for the out-of-hospital evaluation and treatment of accidental hypothermia: 2014 update. Wilderness Environ Med 2015; 25:S66-85. [PMID: 25498264 DOI: 10.1016/j.wem.2014.10.010] [Citation(s) in RCA: 69] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
To provide guidance to clinicians, the Wilderness Medical Society (WMS) convened an expert panel to develop evidence-based guidelines for the out-of-hospital evaluation and treatment of victims of accidental hypothermia. The guidelines present the main diagnostic and therapeutic modalities and provide recommendations for the management of hypothermic patients. The panel graded the recommendations based on the quality of supporting evidence and the balance between benefits and risks/burdens according the criteria published by the American College of Chest Physicians. The guidelines also provide suggested general approaches to the evaluation and treatment of accidental hypothermia that incorporate specific recommendations. This is an updated version of the original Wilderness Medical Society Practice Guidelines for the Out-of-Hospital Evaluation and Treatment of Accidental Hypothermia published in Wilderness & Environmental Medicine 2014;25(4):425-445.
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Affiliation(s)
- Ken Zafren
- Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA; International Commission for Mountain Emergency Medicine (ICAR MEDCOM) (Dr Zafren).
| | - Gordon G Giesbrecht
- Faculty of Kinesiology and Recreation Management, Departments of Anesthesia and Emergency Medicine, University of Manitoba, Winnipeg, Canada (Dr Giesbrecht)
| | - Daniel F Danzl
- Department of Emergency Medicine, University of Louisville, School of Medicine, Louisville, KY (Dr Danzl)
| | - Hermann Brugger
- International Commission for Mountain Emergency Medicine (ICAR MEDCOM) (Dr Zafren); European Academy Institute of Mountain Emergency Medicine, Bolzano, Italy (Dr Brugger)
| | - Emily B Sagalyn
- University of Nevada School of Medicine, Reno, NV (Dr Sagalyn)
| | - Beat Walpoth
- Service of Cardiovascular Surgery, University Hospital of Geneva, Geneva, Switzerland (Dr Walpoth)
| | - Eric A Weiss
- Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA; Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA (Drs Weiss and Auerbach)
| | - Paul S Auerbach
- Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA; Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA (Drs Weiss and Auerbach)
| | - Scott E McIntosh
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT (Drs McIntosh, Némethy, and McDevitt)
| | - Mária Némethy
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT (Drs McIntosh, Némethy, and McDevitt)
| | - Marion McDevitt
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT (Drs McIntosh, Némethy, and McDevitt)
| | - Jennifer Dow
- Alaska Regional Hospital, Anchorage, AK; Denali National Park and Preserve, AK (Dr Dow)
| | | | - George W Rodway
- Division of Health Sciences, University of Nevada, Reno, NV (Dr Rodway)
| | - Peter H Hackett
- Division of Emergency Medicine, Altitude Research Center, University of Colorado School of Medicine, Denver, CO; Institute for Altitude Medicine, Telluride, CO (Dr Hackett)
| | - Brad L Bennett
- Military & Emergency Medicine Department, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences Bethesda, MD (Dr Bennett)
| | - Colin K Grissom
- Division of Pulmonary and Critical Care Medicine, Intermountain Medical Center and the University of Utah, Salt Lake City, UT (Dr Grissom)
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Dunne B, Christou E, Duff O, Merry C. Extracorporeal-Assisted Rewarming in the Management of Accidental Deep Hypothermic Cardiac Arrest. Heart Lung Circ 2014; 23:1029-35. [DOI: 10.1016/j.hlc.2014.06.011] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 06/11/2014] [Accepted: 06/12/2014] [Indexed: 10/25/2022]
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Zafren K, Giesbrecht GG, Danzl DF, Brugger H, Sagalyn EB, Walpoth B, Weiss EA, Auerbach PS, McIntosh SE, Némethy M, McDevitt M, Dow J, Schoene RB, Rodway GW, Hackett PH, Bennett BL, Grissom CK. Wilderness Medical Society practice guidelines for the out-of-hospital evaluation and treatment of accidental hypothermia. Wilderness Environ Med 2014; 25:425-45. [PMID: 25443771 DOI: 10.1016/j.wem.2014.09.002] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 09/05/2014] [Accepted: 09/08/2014] [Indexed: 01/04/2023]
Abstract
To provide guidance to clinicians, the Wilderness Medical Society (WMS) convened an expert panel to develop evidence-based guidelines for the out-of-hospital evaluation and treatment of victims of accidental hypothermia. The guidelines present the main diagnostic and therapeutic modalities and provide recommendations for the management of hypothermic patients. The panel graded the recommendations based on the quality of supporting evidence and the balance between benefits and risks/burdens according the criteria published by the American College of Chest Physicians. The guidelines also provide suggested general approaches to the evaluation and treatment of accidental hypothermia that incorporate specific recommendations.
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Affiliation(s)
- Ken Zafren
- Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA (Drs Zafren, Weiss, and Auerbach); International Commission for Mountain Emergency Medicine (ICAR MEDCOM) (Drs Zafren and Brugger).
| | - Gordon G Giesbrecht
- Faculty of Kinesiology and Recreation Management, Departments of Anesthesia and Emergency Medicine, University of Manitoba, Winnipeg, Canada (Dr Giesbrecht)
| | - Daniel F Danzl
- Department of Emergency Medicine, University of Louisville, School of Medicine, Louisville, KY (Dr Danzl)
| | - Hermann Brugger
- International Commission for Mountain Emergency Medicine (ICAR MEDCOM) (Drs Zafren and Brugger); European Academy Institute of Mountain Emergency Medicine, Bolzano, Italy (Dr Brugger)
| | - Emily B Sagalyn
- University of Nevada School of Medicine, Reno, NV (Dr Sagalyn)
| | - Beat Walpoth
- Service of Cardiovascular Surgery, University Hospital of Geneva, Geneva, Switzerland (Dr Walpoth)
| | - Eric A Weiss
- Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA (Drs Zafren, Weiss, and Auerbach)
| | - Paul S Auerbach
- Division of Emergency Medicine, Department of Surgery, Stanford University School of Medicine, Stanford, CA (Drs Zafren, Weiss, and Auerbach)
| | - Scott E McIntosh
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT (Drs McIntosh, Némethy, and McDevitt)
| | - Mária Némethy
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT (Drs McIntosh, Némethy, and McDevitt)
| | - Marion McDevitt
- Division of Emergency Medicine, University of Utah, Salt Lake City, UT (Drs McIntosh, Némethy, and McDevitt)
| | - Jennifer Dow
- Alaska Regional Hospital, Anchorage, AK (Dr Dow); Denali National Park and Preserve, AK (Dr Dow)
| | | | - George W Rodway
- Division of Health Sciences, University of Nevada, Reno, NV (Dr Rodway)
| | - Peter H Hackett
- Division of Emergency Medicine, Altitude Research Center, University of Colorado School of Medicine, Denver, CO (Dr Hackett); Institute for Altitude Medicine, Telluride, CO (Dr Hackett)
| | - Brad L Bennett
- Military & Emergency Medicine Department, F. Edward Hébert School of Medicine, Uniformed Services University of the Health Sciences Bethesda, MD (Dr Bennett)
| | - Colin K Grissom
- Division of Pulmonary and Critical Care Medicine, Intermountain Medical Center and the University of Utah, Salt Lake City, UT (Dr Grissom)
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