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Binda DD, Logan CM, Rosales V, Nozari A, Rendon LF. Targeted Temperature Management After Cardiac Arrest in COVID-19 Patients. Ther Hypothermia Temp Manag 2024; 14:130-143. [PMID: 37582193 DOI: 10.1089/ther.2023.0033] [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] [Indexed: 08/17/2023] Open
Abstract
There is a paucity of evidence regarding the utility of targeted temperature management (TTM) in COVID-19 patients who suffer cardiac arrest. This systematic review and meta-analysis aimed to use the available data of how temperature predicts outcomes in COVID-19 patients and the association between active cooling and outcomes in non-COVID-19 cardiac arrest patients to give recommendations for the utility of TTM in COVID-19 survivors of cardiac arrest. The PubMed, Embase, and Web of Science databases were queried in August 2022 for two separate searches: (1) temperature as a predictor of clinical outcomes in COVID-19 and (2) active cooling after return of spontaneous circulation (ROSC) in non-COVID-19. Forest plots were generated to summarize the results. Of the 4209 abstracts screened, none assessed the target population of TTM in COVID-19 victims of cardiac arrest. One retrospective cohort study evaluated hyperthermia in critically ill COVID-19 patients, two retrospective cohort studies evaluated hypothermia in septic COVID-19 patients, and 20 randomized controlled trials evaluated active cooling in non-COVID-19 patients after ROSC. Risk of death was higher in COVID-19 patients who presented with hyperthermia (risk ratio [RR] = 1.87) or hypothermia (RR = 1.77; p < 0.001). In non-COVID-19 victims of cardiac arrest, there was no significant difference in mortality (RR = 0.94; p = 0.098) or favorable neurological outcome (RR = 1.05; p = 0.41) with active cooling after ROSC. Further studies are needed to evaluate TTM in COVID-19 victims of cardiac arrest. However, given the available evidence that hyperthermia or hypothermia in COVID-19 patients is associated with increased mortality as well as our findings suggesting limited utility for active cooling in non-COVID-19 cardiac arrest patients, we posit that TTM to normothermia (core body temperature ∼37°C) would most likely be optimal for the best outcomes in COVID-19 survivors of cardiac arrest.
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Affiliation(s)
- Dhanesh D Binda
- Department of Anesthesiology, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Connor M Logan
- Department of Anesthesiology, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Victoria Rosales
- Department of Anesthesiology, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Ala Nozari
- Department of Anesthesiology, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
| | - Luis F Rendon
- Department of Anesthesiology, Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
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2
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Abi Zeid Daou Y, Watanabe N, Lidouren F, Bois A, Faucher E, Huet H, Hutin A, Jendoubi A, Surenaud M, Hue S, Nadeau M, Perrotto S, Libardi M, Ghaleh B, Micheau P, Bruneval P, Cariou A, Kohlhauer M, Tissier R. Ultrafast Cooling With Total Liquid Ventilation Mitigates Early Inflammatory Response and Offers Neuroprotection in a Porcine Model of Cardiac Arrest. J Am Heart Assoc 2024; 13:e035617. [PMID: 39158568 DOI: 10.1161/jaha.124.035617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 07/16/2024] [Indexed: 08/20/2024]
Abstract
BACKGROUND Brain injury is one of the most serious complications after cardiac arrest (CA). To prevent this phenomenon, rapid cooling with total liquid ventilation (TLV) has been proposed in small animal models of CA (rabbits and piglets). Here, we aimed to determine whether hypothermic TLV can also offer neuroprotection and mitigate cerebral inflammatory response in large animals. METHODS AND RESULTS Anesthetized pigs were subjected to 14 minutes of ventricular fibrillation followed by cardiopulmonary resuscitation. After return of spontaneous circulation, animals were randomly subjected to normothermia (control group, n=8) or ultrafast cooling with TLV (TLV group, n=8). In the latter group, TLV was initiated within a window of 15 minutes after return of spontaneous circulation and allowed to reduce tympanic, esophageal, and bladder temperature to the 32 to 34 °C range within 30 minutes. After 45 minutes of TLV, gas ventilation was resumed, and hypothermia was maintained externally until 3 hours after CA, before rewarming using heat pads (0.5 °C-1 °C/h). After an additional period of progressive rewarming for 3 hours, animals were euthanized for brain withdrawal and histological analysis. At the end of the follow-up (ie, 6 hours after CA), histology showed reduced brain injury as witnessed by the reduced number of Fluroro-Jade C-positive cerebral degenerating neurons in TLV versus control. IL (interleukin)-1ra and IL-8 levels were also significantly reduced in the cerebrospinal fluid in TLV versus control along with cerebral infiltration by CD3+ cells. Conversely, circulating levels of cytokines were not different among groups, suggesting a discrepancy between local and systemic inflammatory levels. CONCLUSIONS Ultrafast cooling with TLV mitigates neuroinflammation and attenuates acute brain lesions in the early phase following resuscitation in large animals subjected to CA.
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Affiliation(s)
- Yara Abi Zeid Daou
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Naoto Watanabe
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Fanny Lidouren
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Antoine Bois
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
- Service de Médecine Intensive-Réanimation Hôpitaux Universitaires Paris Centre, Hopital Cochin Paris France
| | - Estelle Faucher
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Hélène Huet
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Alice Hutin
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
- SAMU de Paris-ICU, Necker University Hospital, Assistance Publique-Hôpitaux de Paris, Université de Paris Paris France
| | - Ali Jendoubi
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Mathieu Surenaud
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Vaccine Research Institute, Univ Paris Est-Creteil Creteil France
| | - Sophie Hue
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Vaccine Research Institute, Univ Paris Est-Creteil Creteil France
| | | | | | | | - Bijan Ghaleh
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | | | | | - Alain Cariou
- Service de Médecine Intensive-Réanimation Hôpitaux Universitaires Paris Centre, Hopital Cochin Paris France
| | - Matthias Kohlhauer
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
| | - Renaud Tissier
- Univ Paris Est Créteil, INSERM, IMRB Créteil France
- Ecole Nationale Vétérinaire d'Alfort, IMRB, AfterROSC Network Maisons-Alfort France
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Dillenbeck E, Hollenberg J, Holzer M, Busch HJ, Nichol G, Radsel P, Belohlavec J, Torres EC, López-de-Sa E, Rosell F, Ristagno G, Forsberg S, Annoni F, Svensson L, Jonsson M, Bäckström D, Gellerfors M, Awad A, Taccone FS, Nordberg P. The design of the PRINCESS 2 trial: A randomized trial to study the impact of ultrafast hypothermia on complete neurologic recovery after out-of-hospital cardiac arrest with initial shockable rhythm. Am Heart J 2024; 271:97-108. [PMID: 38417773 DOI: 10.1016/j.ahj.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 02/14/2024] [Accepted: 02/21/2024] [Indexed: 03/01/2024]
Abstract
BACKGROUND Delayed hypothermia, initiated after hospital arrival, several hours after cardiac arrest with 8-10 hours to reach the target temperature, is likely to have limited impact on overall survival. However, the effect of ultrafast hypothermia, i.e., delivered intra-arrest or immediately after return of spontaneous circulation (ROSC), on functional neurologic outcome after out-of-hospital cardiac arrest (OHCA) is unclear. In two prior trials, prehospital trans-nasal evaporative intra-arrest cooling was safe, feasible and reduced time to target temperature compared to delayed cooling. Both studies showed trends towards improved neurologic recovery in patients with shockable rhythms. The aim of the PRINCESS2-study is to assess whether cooling, initiated either intra-arrest or immediately after ROSC, followed by in-hospital hypothermia, significantly increases survival with complete neurologic recovery as compared to standard normothermia care, in OHCA patients with shockable rhythms. METHODS/DESIGN In this investigator-initiated, randomized, controlled trial, the emergency medical services (EMS) will randomize patients at the scene of cardiac arrest to either trans-nasal cooling within 20 minutes from EMS arrival with subsequent hypothermia at 33°C for 24 hours after hospital admission (intervention), or to standard of care with no prehospital or in-hospital cooling (control). Fever (>37,7°C) will be avoided for the first 72 hours in both groups. All patients will receive post resuscitation care and withdrawal of life support procedures according to current guidelines. Primary outcome is survival with complete neurologic recovery at 90 days, defined as modified Rankin scale (mRS) 0-1. Key secondary outcomes include survival to hospital discharge, survival at 90 days and mRS 0-3 at 90 days. In total, 1022 patients are required to detect an absolute difference of 9% (from 45 to 54%) in survival with neurologic recovery (80% power and one-sided α=0,025, β=0,2) and assuming 2,5% lost to follow-up. Recruitment starts in Q1 2024 and we expect maximum enrolment to be achieved during Q4 2024 at 20-25 European and US sites. DISCUSSION This trial will assess the impact of ultrafast hypothermia applied on the scene of cardiac arrest, as compared to normothermia, on 90-day survival with complete neurologic recovery in OHCA patients with initial shockable rhythm. TRIAL REGISTRATION NCT06025123.
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Affiliation(s)
- Emelie Dillenbeck
- Department of Clinical Science and Education, Center for Resuscitation Science, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden.
| | - Jacob Hollenberg
- Department of Clinical Science and Education, Center for Resuscitation Science, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Michael Holzer
- Department of Emergency Medicine, Medical University of Vienna, Vienna, Austria
| | - Hans-Jörg Busch
- Department of Emergency Medicine, University Hospital of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Graham Nichol
- University of Washington-Harborview Center for Prehospital Emergency Care, University of Washington, Seattle, WA
| | - Peter Radsel
- Center for Intensive Internal Medicine, University Medical Center, Ljubljana, Slovenia
| | - Jan Belohlavec
- 2nd Department of Medicine-Department of Cardiovascular Medicine, First Faculty of Medicine, Charles University and General University Hospital, Prague, Liberec, Czech Republic
| | | | | | - Fernando Rosell
- Servicio de Emergencias 061 de La Rioja, Centro de Investigación Biomédica de La Rioja (CIBIR), La Rioja, Spain
| | - Giuseppe Ristagno
- Department of Anesthesiology, Intensive Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, University of Milan, Milan, Italy
| | - Sune Forsberg
- Department of Clinical Science and Education, Center for Resuscitation Science, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Filippo Annoni
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Leif Svensson
- Department of Medicine, Karolinska Institutet, Solna, Sweden
| | - Martin Jonsson
- Department of Clinical Science and Education, Center for Resuscitation Science, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Denise Bäckström
- Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Mikael Gellerfors
- Rapid Response Car, Capio, Stockholm, Sweden; Function Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden; Section for Anaesthesiology and Intensive Care Medicine, Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Akil Awad
- Department of Clinical Science and Education, Center for Resuscitation Science, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden
| | - Fabio S Taccone
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Per Nordberg
- Department of Clinical Science and Education, Center for Resuscitation Science, Södersjukhuset, Karolinska Institutet, Stockholm, Sweden; Function Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
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4
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Grand J, Hassager C. State of the art post-cardiac arrest care: evolution and future of post cardiac arrest care. EUROPEAN HEART JOURNAL. ACUTE CARDIOVASCULAR CARE 2023; 12:559-570. [PMID: 37329248 DOI: 10.1093/ehjacc/zuad067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/12/2023] [Accepted: 06/15/2023] [Indexed: 06/18/2023]
Abstract
Out-of-hospital cardiac arrest is a leading cause of mortality. In the pre-hospital setting, bystander response with cardiopulmonary resuscitation and the use of publicly available automated external defibrillators have been associated with improved survival. Early in-hospital treatment still focuses on emergency coronary angiography for selected patients. For patients remaining comatose, temperature control to avoid fever is still recommended, but former hypothermic targets have been abandoned. For patients without spontaneous awakening, the use of a multimodal prognostication model is key. After discharge, follow-up with screening for cognitive and emotional disabilities is recommended. There has been an incredible evolution of research on cardiac arrest. Two decades ago, the largest trials include a few hundred patients. Today, undergoing studies are planning to include 10-20 times as many patients, with improved methodology. This article describes the evolution and perspectives for the future in post-cardiac arrest care.
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Affiliation(s)
- Johannes Grand
- Department of Cardiology, Copenhagen University Hospital, Rigshospitalet. Blegdamsvej 9, 2100 Copenhagen, Denmark
| | - Christian Hassager
- Department of Cardiology, Copenhagen University Hospital, Rigshospitalet. Blegdamsvej 9, 2100 Copenhagen, Denmark
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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5
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Chalkias A, Adamos G, Mentzelopoulos SD. General Critical Care, Temperature Control, and End-of-Life Decision Making in Patients Resuscitated from Cardiac Arrest. J Clin Med 2023; 12:4118. [PMID: 37373812 DOI: 10.3390/jcm12124118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/02/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Cardiac arrest affects millions of people per year worldwide. Although advances in cardiopulmonary resuscitation and intensive care have improved outcomes over time, neurologic impairment and multiple organ dysfunction continue to be associated with a high mortality rate. The pathophysiologic mechanisms underlying the post-resuscitation disease are complex, and a coordinated, evidence-based approach to post-resuscitation care has significant potential to improve survival. Critical care management of patients resuscitated from cardiac arrest focuses on the identification and treatment of the underlying cause(s), hemodynamic and respiratory support, organ protection, and active temperature control. This review provides a state-of-the-art appraisal of critical care management of the post-cardiac arrest patient.
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Affiliation(s)
- Athanasios Chalkias
- Department of Anesthesiology, Faculty of Medicine, University of Thessaly, 41500 Larisa, Greece
- Outcomes Research Consortium, Cleveland, OH 44195, USA
| | - Georgios Adamos
- First Department of Intensive Care Medicine, National and Kapodistrian University of Athens Medical School, 10675 Athens, Greece
| | - Spyros D Mentzelopoulos
- First Department of Intensive Care Medicine, National and Kapodistrian University of Athens Medical School, 10675 Athens, Greece
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6
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Belur AD, Sedhai YR, Truesdell AG, Khanna AK, Mishkin JD, Belford PM, Zhao DX, Vallabhajosyula S. Targeted Temperature Management in Cardiac Arrest: An Updated Narrative Review. Cardiol Ther 2023; 12:65-84. [PMID: 36527676 PMCID: PMC9986171 DOI: 10.1007/s40119-022-00292-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 11/28/2022] [Indexed: 12/23/2022] Open
Abstract
The established benefits of cooling along with development of sophisticated methods to safely and precisely induce, maintain, monitor, and reverse hypothermia have led to the development of targeted temperature management (TTM). Early trials in human subjects showed that hypothermia conferred better neurological outcomes when compared to normothermia among survivors of cardiac arrest, leading to guidelines recommending targeted hypothermia in this patient population. Multiple studies have sought to explore and compare the benefit of hypothermia in various subgroups of patients, such as survivors of out-of-hospital cardiac arrest versus in-hospital cardiac arrest, and survivors of an initial shockable versus non-shockable rhythm. Larger and more recent trials have shown no statistically significant difference in neurological outcomes between patients with targeted hypothermia and targeted normothermia; further, aggressive cooling is associated with a higher incidence of multiple systemic complications. Based on this data, temporal trends have leaned towards using a lenient temperature target in more recent times. Current guidelines recommend selecting and maintaining a constant target temperature between 32 and 36 °C for those patients in whom TTM is used (strong recommendation, moderate-quality evidence), as soon as possible after return of spontaneous circulation is achieved and airway, breathing (including mechanical ventilation), and circulation are stabilized. The comparative benefit of lower (32-34 °C) versus higher (36 °C) temperatures remains unknown, and further research may help elucidate this. Any survivor of cardiac arrest who is comatose (defined as unarousable unresponsiveness to external stimuli) should be considered as a candidate for TTM regardless of the initial presenting rhythm, and the decision to opt for targeted hypothermia versus targeted normothermia should be made on a case-by-case basis.
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Affiliation(s)
- Agastya D Belur
- Division of Cardiology, Department of Medicine, University of Louisville, Louisville, KY, USA
| | - Yub Raj Sedhai
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Kentucky College of Medicine, Bowling Green, KY, USA
| | | | - Ashish K Khanna
- Section of Critical Care Medicine, Department of Anesthesiology, Wake Forest School of Medicine, Winston-Salem, NC, USA.,Outcomes Research Consortium, Cleveland, OH, USA.,Perioperative Outcomes and Informatics Collaborative (POIC), Winston-Salem, NC, USA
| | - Joseph D Mishkin
- Section of Advanced Heart Failure and Transplant Cardiology, Atrium Health Sanger Heart and Vascular Institute, Charlotte, NC, USA
| | - P Matthew Belford
- Section of Cardiovascular Medicine, Department of Medicine, Wake Forest School of Medicine, 306 Westwood Avenue, Suite 401, High Point, Winston-Salem, NC, 27262, USA
| | - David X Zhao
- Section of Cardiovascular Medicine, Department of Medicine, Wake Forest School of Medicine, 306 Westwood Avenue, Suite 401, High Point, Winston-Salem, NC, 27262, USA
| | - Saraschandra Vallabhajosyula
- Perioperative Outcomes and Informatics Collaborative (POIC), Winston-Salem, NC, USA. .,Section of Cardiovascular Medicine, Department of Medicine, Wake Forest School of Medicine, 306 Westwood Avenue, Suite 401, High Point, Winston-Salem, NC, 27262, USA. .,Department of Implementation Science, Division of Public Health Sciences, Wake Forest School of Medicine, Winston-Salem, NC, USA.
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7
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Wyckoff MH, Greif R, Morley PT, Ng KC, Olasveengen TM, Singletary EM, Soar J, Cheng A, Drennan IR, Liley HG, Scholefield BR, Smyth MA, Welsford M, Zideman DA, Acworth J, Aickin R, Andersen LW, Atkins D, Berry DC, Bhanji F, Bierens J, Borra V, Böttiger BW, Bradley RN, Bray JE, Breckwoldt J, Callaway CW, Carlson JN, Cassan P, Castrén M, Chang WT, Charlton NP, Phil Chung S, Considine J, Costa-Nobre DT, Couper K, Couto TB, Dainty KN, Davis PG, de Almeida MF, de Caen AR, Deakin CD, Djärv T, Donnino MW, Douma MJ, Duff JP, Dunne CL, Eastwood K, El-Naggar W, Fabres JG, Fawke J, Finn J, Foglia EE, Folke F, Gilfoyle E, Goolsby CA, Granfeldt A, Guerguerian AM, Guinsburg R, Hirsch KG, Holmberg MJ, Hosono S, Hsieh MJ, Hsu CH, Ikeyama T, Isayama T, Johnson NJ, Kapadia VS, Kawakami MD, Kim HS, Kleinman M, Kloeck DA, Kudenchuk PJ, Lagina AT, Lauridsen KG, Lavonas EJ, Lee HC, Lin YJ, Lockey AS, Maconochie IK, Madar J, Malta Hansen C, Masterson S, Matsuyama T, McKinlay CJD, Meyran D, Morgan P, Morrison LJ, Nadkarni V, Nakwa FL, Nation KJ, Nehme Z, Nemeth M, Neumar RW, Nicholson T, Nikolaou N, Nishiyama C, Norii T, Nuthall GA, O'Neill BJ, Gene Ong YK, Orkin AM, Paiva EF, Parr MJ, Patocka C, Pellegrino JL, Perkins GD, Perlman JM, Rabi Y, Reis AG, Reynolds JC, Ristagno G, Rodriguez-Nunez A, Roehr CC, Rüdiger M, Sakamoto T, Sandroni C, Sawyer TL, Schexnayder SM, Schmölzer GM, Schnaubelt S, Semeraro F, Skrifvars MB, Smith CM, Sugiura T, Tijssen JA, Trevisanuto D, Van de Voorde P, Wang TL, Weiner GM, Wyllie JP, Yang CW, Yeung J, Nolan JP, Berg KM. 2022 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Pediatric Life Support; Neonatal Life Support; Education, Implementation, and Teams; and First Aid Task Forces. Pediatrics 2023; 151:189896. [PMID: 36325925 DOI: 10.1542/peds.2022-060463] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 11/01/2022] [Indexed: 11/06/2022] Open
Abstract
This is the sixth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. This summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation Task Force science experts. Topics covered by systematic reviews include cardiopulmonary resuscitation during transport; approach to resuscitation after drowning; passive ventilation; minimizing pauses during cardiopulmonary resuscitation; temperature management after cardiac arrest; use of diagnostic point-of-care ultrasound during cardiac arrest; use of vasopressin and corticosteroids during cardiac arrest; coronary angiography after cardiac arrest; public-access defibrillation devices for children; pediatric early warning systems; maintaining normal temperature immediately after birth; suctioning of amniotic fluid at birth; tactile stimulation for resuscitation immediately after birth; use of continuous positive airway pressure for respiratory distress at term birth; respiratory and heart rate monitoring in the delivery room; supraglottic airway use in neonates; prearrest prediction of in-hospital cardiac arrest mortality; basic life support training for likely rescuers of high-risk populations; effect of resuscitation team training; blended learning for life support training; training and recertification for resuscitation instructors; and recovery position for maintenance of breathing and prevention of cardiac arrest. Members from 6 task forces have assessed, discussed, and debated the quality of the evidence using Grading of Recommendations Assessment, Development, and Evaluation criteria and generated consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence-to-Decision Framework Highlights sections, and priority knowledge gaps for future research are listed.
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8
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Wyckoff MH, Greif R, Morley PT, Ng KC, Olasveengen TM, Singletary EM, Soar J, Cheng A, Drennan IR, Liley HG, Scholefield BR, Smyth MA, Welsford M, Zideman DA, Acworth J, Aickin R, Andersen LW, Atkins D, Berry DC, Bhanji F, Bierens J, Borra V, Böttiger BW, Bradley RN, Bray JE, Breckwoldt J, Callaway CW, Carlson JN, Cassan P, Castrén M, Chang WT, Charlton NP, Chung SP, Considine J, Costa-Nobre DT, Couper K, Couto TB, Dainty KN, Davis PG, de Almeida MF, de Caen AR, Deakin CD, Djärv T, Donnino MW, Douma MJ, Duff JP, Dunne CL, Eastwood K, El-Naggar W, Fabres JG, Fawke J, Finn J, Foglia EE, Folke F, Gilfoyle E, Goolsby CA, Granfeldt A, Guerguerian AM, Guinsburg R, Hirsch KG, Holmberg MJ, Hosono S, Hsieh MJ, Hsu CH, Ikeyama T, Isayama T, Johnson NJ, Kapadia VS, Kawakami MD, Kim HS, Kleinman M, Kloeck DA, Kudenchuk PJ, Lagina AT, Lauridsen KG, Lavonas EJ, Lee HC, Lin YJ, Lockey AS, Maconochie IK, Madar RJ, Malta Hansen C, Masterson S, Matsuyama T, McKinlay CJD, Meyran D, Morgan P, Morrison LJ, Nadkarni V, Nakwa FL, Nation KJ, Nehme Z, Nemeth M, Neumar RW, Nicholson T, Nikolaou N, Nishiyama C, Norii T, Nuthall GA, O'Neill BJ, Ong YKG, Orkin AM, Paiva EF, Parr MJ, Patocka C, Pellegrino JL, Perkins GD, Perlman JM, Rabi Y, Reis AG, Reynolds JC, Ristagno G, Rodriguez-Nunez A, Roehr CC, Rüdiger M, Sakamoto T, Sandroni C, Sawyer TL, Schexnayder SM, Schmölzer GM, Schnaubelt S, Semeraro F, Skrifvars MB, Smith CM, Sugiura T, Tijssen JA, Trevisanuto D, Van de Voorde P, Wang TL, Weiner GM, Wyllie JP, Yang CW, Yeung J, Nolan JP, Berg KM, Cartledge S, Dawson JA, Elgohary MM, Ersdal HL, Finan E, Flaatten HI, Flores GE, Fuerch J, Garg R, Gately C, Goh M, Halamek LP, Handley AJ, Hatanaka T, Hoover A, Issa M, Johnson S, Kamlin CO, Ko YC, Kule A, Leone TA, MacKenzie E, Macneil F, Montgomery W, O’Dochartaigh D, Ohshimo S, Palazzo FS, Picard C, Quek BH, Raitt J, Ramaswamy VV, Scapigliati A, Shah BA, Stewart C, Strand ML, Szyld E, Thio M, Topjian AA, Udaeta E, Vaillancourt C, Wetsch WA, Wigginton J, Yamada NK, Yao S, Zace D, Zelop CM. 2022 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Pediatric Life Support; Neonatal Life Support; Education, Implementation, and Teams; and First Aid Task Forces. Circulation 2022; 146:e483-e557. [PMID: 36325905 DOI: 10.1161/cir.0000000000001095] [Citation(s) in RCA: 60] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This is the sixth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. This summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation Task Force science experts. Topics covered by systematic reviews include cardiopulmonary resuscitation during transport; approach to resuscitation after drowning; passive ventilation; minimizing pauses during cardiopulmonary resuscitation; temperature management after cardiac arrest; use of diagnostic point-of-care ultrasound during cardiac arrest; use of vasopressin and corticosteroids during cardiac arrest; coronary angiography after cardiac arrest; public-access defibrillation devices for children; pediatric early warning systems; maintaining normal temperature immediately after birth; suctioning of amniotic fluid at birth; tactile stimulation for resuscitation immediately after birth; use of continuous positive airway pressure for respiratory distress at term birth; respiratory and heart rate monitoring in the delivery room; supraglottic airway use in neonates; prearrest prediction of in-hospital cardiac arrest mortality; basic life support training for likely rescuers of high-risk populations; effect of resuscitation team training; blended learning for life support training; training and recertification for resuscitation instructors; and recovery position for maintenance of breathing and prevention of cardiac arrest. Members from 6 task forces have assessed, discussed, and debated the quality of the evidence using Grading of Recommendations Assessment, Development, and Evaluation criteria and generated consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence-to-Decision Framework Highlights sections, and priority knowledge gaps for future research are listed.
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9
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Wyckoff MH, Greif R, Morley PT, Ng KC, Olasveengen TM, Singletary EM, Soar J, Cheng A, Drennan IR, Liley HG, Scholefield BR, Smyth MA, Welsford M, Zideman DA, Acworth J, Aickin R, Andersen LW, Atkins D, Berry DC, Bhanji F, Bierens J, Borra V, Böttiger BW, Bradley RN, Bray JE, Breckwoldt J, Callaway CW, Carlson JN, Cassan P, Castrén M, Chang WT, Charlton NP, Phil Chung S, Considine J, Costa-Nobre DT, Couper K, Couto TB, Dainty KN, Davis PG, de Almeida MF, de Caen AR, Deakin CD, Djärv T, Donnino MW, Douma MJ, Duff JP, Dunne CL, Eastwood K, El-Naggar W, Fabres JG, Fawke J, Finn J, Foglia EE, Folke F, Gilfoyle E, Goolsby CA, Granfeldt A, Guerguerian AM, Guinsburg R, Hirsch KG, Holmberg MJ, Hosono S, Hsieh MJ, Hsu CH, Ikeyama T, Isayama T, Johnson NJ, Kapadia VS, Kawakami MD, Kim HS, Kleinman M, Kloeck DA, Kudenchuk PJ, Lagina AT, Lauridsen KG, Lavonas EJ, Lee HC, Lin YJ, Lockey AS, Maconochie IK, Madar RJ, Malta Hansen C, Masterson S, Matsuyama T, McKinlay CJD, Meyran D, Morgan P, Morrison LJ, Nadkarni V, Nakwa FL, Nation KJ, Nehme Z, Nemeth M, Neumar RW, Nicholson T, Nikolaou N, Nishiyama C, Norii T, Nuthall GA, O'Neill BJ, Gene Ong YK, Orkin AM, Paiva EF, Parr MJ, Patocka C, Pellegrino JL, Perkins GD, Perlman JM, Rabi Y, Reis AG, Reynolds JC, Ristagno G, Rodriguez-Nunez A, Roehr CC, Rüdiger M, Sakamoto T, Sandroni C, Sawyer TL, Schexnayder SM, Schmölzer GM, Schnaubelt S, Semeraro F, Skrifvars MB, Smith CM, Sugiura T, Tijssen JA, Trevisanuto D, Van de Voorde P, Wang TL, Weiner GM, Wyllie JP, Yang CW, Yeung J, Nolan JP, Berg KM, Cartledge S, Dawson JA, Elgohary MM, Ersdal HL, Finan E, Flaatten HI, Flores GE, Fuerch J, Garg R, Gately C, Goh M, Halamek LP, Handley AJ, Hatanaka T, Hoover A, Issa M, Johnson S, Kamlin CO, Ko YC, Kule A, Leone TA, MacKenzie E, Macneil F, Montgomery W, O’Dochartaigh D, Ohshimo S, Stefano Palazzo F, Picard C, Quek BH, Raitt J, Ramaswamy VV, Scapigliati A, Shah BA, Stewart C, Strand ML, Szyld E, Thio M, Topjian AA, Udaeta E, Vaillancourt C, Wetsch WA, Wigginton J, Yamada NK, Yao S, Zace D, Zelop CM. 2022 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations: Summary From the Basic Life Support; Advanced Life Support; Pediatric Life Support; Neonatal Life Support; Education, Implementation, and Teams; and First Aid Task Forces. Resuscitation 2022; 181:208-288. [PMID: 36336195 DOI: 10.1016/j.resuscitation.2022.10.005] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
This is the sixth annual summary of the International Liaison Committee on Resuscitation International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science With Treatment Recommendations. This summary addresses the most recently published resuscitation evidence reviewed by International Liaison Committee on Resuscitation Task Force science experts. Topics covered by systematic reviews include cardiopulmonary resuscitation during transport; approach to resuscitation after drowning; passive ventilation; minimising pauses during cardiopulmonary resuscitation; temperature management after cardiac arrest; use of diagnostic point-of-care ultrasound during cardiac arrest; use of vasopressin and corticosteroids during cardiac arrest; coronary angiography after cardiac arrest; public-access defibrillation devices for children; pediatric early warning systems; maintaining normal temperature immediately after birth; suctioning of amniotic fluid at birth; tactile stimulation for resuscitation immediately after birth; use of continuous positive airway pressure for respiratory distress at term birth; respiratory and heart rate monitoring in the delivery room; supraglottic airway use in neonates; prearrest prediction of in-hospital cardiac arrest mortality; basic life support training for likely rescuers of high-risk populations; effect of resuscitation team training; blended learning for life support training; training and recertification for resuscitation instructors; and recovery position for maintenance of breathing and prevention of cardiac arrest. Members from 6 task forces have assessed, discussed, and debated the quality of the evidence using Grading of Recommendations Assessment, Development, and Evaluation criteria and generated consensus treatment recommendations. Insights into the deliberations of the task forces are provided in the Justification and Evidence-to-Decision Framework Highlights sections, and priority knowledge gaps for future research are listed.
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10
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Simpson RFG, Dankiewicz J, Karamasis GV, Pelosi P, Haenggi M, Young PJ, Jakobsen JC, Bannard-Smith J, Wendel-Garcia PD, Taccone FS, Nordberg P, Wise MP, Grejs AM, Lilja G, Olsen RB, Cariou A, Lascarrou JB, Saxena M, Hovdenes J, Thomas M, Friberg H, Davies JR, Nielsen N, Keeble TR. Speed of cooling after cardiac arrest in relation to the intervention effect: a sub-study from the TTM2-trial. Crit Care 2022; 26:356. [PMID: 36380332 PMCID: PMC9667681 DOI: 10.1186/s13054-022-04231-6] [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: 09/05/2022] [Accepted: 10/24/2022] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND Targeted temperature management (TTM) is recommended following cardiac arrest; however, time to target temperature varies in clinical practice. We hypothesised the effects of a target temperature of 33 °C when compared to normothermia would differ based on average time to hypothermia and those patients achieving hypothermia fastest would have more favorable outcomes. METHODS In this post-hoc analysis of the TTM-2 trial, patients after out of hospital cardiac arrest were randomized to targeted hypothermia (33 °C), followed by controlled re-warming, or normothermia with early treatment of fever (body temperature, ≥ 37.8 °C). The average temperature at 4 h (240 min) after return of spontaneous circulation (ROSC) was calculated for participating sites. Primary outcome was death from any cause at 6 months. Secondary outcome was poor functional outcome at 6 months (score of 4-6 on modified Rankin scale). RESULTS A total of 1592 participants were evaluated for the primary outcome. We found no evidence of heterogeneity of intervention effect based on the average time to target temperature on mortality (p = 0.17). Of patients allocated to hypothermia at the fastest sites, 71 of 145 (49%) had died compared to 68 of 148 (46%) of the normothermia group (relative risk with hypothermia, 1.07; 95% confidence interval 0.84-1.36). Poor functional outcome was reported in 74/144 (51%) patients in the hypothermia group, and 75/147 (51%) patients in the normothermia group (relative risk with hypothermia 1.01 (95% CI 0.80-1.26). CONCLUSIONS Using a hospital's average time to hypothermia did not significantly alter the effect of TTM of 33 °C compared to normothermia and early treatment of fever.
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Affiliation(s)
- Rupert F G Simpson
- Essex Cardiothoracic Centre, MSE Trust, Basildon, Essex, UK
- MTRC, Anglia Ruskin School of Medicine, Chelmsford, Essex, UK
| | - Josef Dankiewicz
- Department of Clinical Sciences Lund, Sections of Cardiology, Lund, Sweden
| | - Grigoris V Karamasis
- Essex Cardiothoracic Centre, MSE Trust, Basildon, Essex, UK
- MTRC, Anglia Ruskin School of Medicine, Chelmsford, Essex, UK
| | - Paolo Pelosi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
- Anesthesiology and Critical Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy
| | - Matthias Haenggi
- Department of Intensive Care Medicine, University Hospital Bern, University of Bern, Bern, Switzerland
| | - Paul J Young
- Intensive Care Unit, Wellington Hospital, Wellington, New Zealand
- Medical Research Institute of New Zealand, Wellington, New Zealand
- Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, VIC, Australia
- Department of Critical Care, University of Melbourne, Melbourne, VIC, Australia
| | - Janus Christian Jakobsen
- Copenhagen Trial Unit, Centre for Clinical Intervention Research, Copenhagen, Capital Region of Denmark, Denmark
- Department of Regional Health Research, The Faculty of Health Sciences, University of Southern Denmark, Copenhagen, Denmark
| | - Jonathan Bannard-Smith
- Department of Adult Critical Care, Manchester University NHS Foundation Trust, Manchester, UK
- Division of Infection, Immunity and Respiratory Medicine, The University of Manchester, Manchester, UK
| | - Pedro D Wendel-Garcia
- Institute of Intensive Care Medicine, University Hospital of Zurich, Zurich, Switzerland
| | - Fabio Silvio Taccone
- Department of Intensive Care, Hôpital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Per Nordberg
- Department of Clinical Science and Education, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
- Function Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
| | - Matt P Wise
- Adult Critical Care, University Hospital of Wales, Cardiff, UK
| | - Anders M Grejs
- Department of Intensive Care Medicine, Department of Clinical Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Gisela Lilja
- Neurology, Department of Clinical Sciences Lund, Skane University Hospital, Lund University, Lund, Sweden
| | | | - Alain Cariou
- Medical Intensive Care Unit, Cochin University Hospital (APHP), Paris Cité University, Paris, France
| | | | - Manoj Saxena
- Critical Care Division, The George Institute for Global Health, University of New South Wales, Sydney, Australia
- Department of Intensive Care Medicine, Bansltwon-Lidcombe Hospital, South Western Sydney, Sydney, New South Wales, Australia
| | - Jan Hovdenes
- Division of Emergencies and Critical Care, Department of Anesthesiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Matthew Thomas
- Intensive Care Unit, University Hospitals Bristol and Weston, Bristol, UK
| | - Hans Friberg
- Department of Clinical Science, Intensive and Perioperative Care, Skane University Hospital, Lund University, Malmo, Sweden
| | - John R Davies
- Essex Cardiothoracic Centre, MSE Trust, Basildon, Essex, UK
- MTRC, Anglia Ruskin School of Medicine, Chelmsford, Essex, UK
| | - Niklas Nielsen
- Department of Clinical Sciences Lund, Sections of Anesthesiology and Intensive Care, Lund, Sweden
| | - Thomas R Keeble
- Essex Cardiothoracic Centre, MSE Trust, Basildon, Essex, UK.
- MTRC, Anglia Ruskin School of Medicine, Chelmsford, Essex, UK.
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11
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Lüsebrink E, Binzenhöfer L, Kellnar A, Scherer C, Schier J, Kleeberger J, Stocker TJ, Peterss S, Hagl C, Stark K, Petzold T, Fichtner S, Braun D, Kääb S, Brunner S, Theiss H, Hausleiter J, Massberg S, Orban M. Targeted Temperature Management in Postresuscitation Care After Incorporating Results of the TTM2 Trial. J Am Heart Assoc 2022; 11:e026539. [DOI: 10.1161/jaha.122.026539] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Cardiac arrest still accounts for a substantial proportion of cardiovascular related deaths and is associated with a tremendous risk of neurological injury and, among the few survivors, poor quality of life. Critical determinants of survival and long‐term functional status after cardiac arrest are timely initiation of cardiopulmonary resuscitation and use of an external defibrillator for patients with a shockable rhythm. Outcomes are still far from satisfactory, despite ongoing efforts to improve cardiac arrest response systems, as well as elaborate postresuscitation algorithms. Targeted temperature management at the wide range between 32 °C and 36 °C has been one of the main therapeutic strategies to improve neurological outcome in postresuscitation care. This recommendation has been mainly based on 2 small randomized trials that were published 20 years ago. Most recent data derived from the TTM2 (Targeted Hypothermia Versus Targeted Normothermia After Out‐of‐Hospital Cardiac Arrest) trial, which included 1861 patients, challenge this strategy. It showed no benefit of targeted hypothermia at 33 °C over normothermia at 36 °C to 37.5 °C with fever prevention. Because temperature management at lower temperatures also correlated with an increased risk of side effects without any benefit in the TTM2 trial, a modification of the guidelines with harmonizing temperature management to normothermia might be necessary.
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Affiliation(s)
- Enzo Lüsebrink
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Leonhard Binzenhöfer
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Antonia Kellnar
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Clemens Scherer
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Johannes Schier
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Jan Kleeberger
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Thomas J. Stocker
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Sven Peterss
- Herzchirurgische Klinik und Poliklinik Klinikum der Universität München Munich Germany
| | - Christian Hagl
- Herzchirurgische Klinik und Poliklinik Klinikum der Universität München Munich Germany
| | - Konstantin Stark
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Tobias Petzold
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Stephanie Fichtner
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Daniel Braun
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Stefan Kääb
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Stefan Brunner
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Hans Theiss
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Jörg Hausleiter
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Steffen Massberg
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
| | - Martin Orban
- Cardiac Intensive Care Unit Medizinische Klinik und Poliklinik I, Klinikum der Universität München Munich Germany
- DZHK (German Center for Cardiovascular Research), partner site Munich Heart Alliance Munich Germany
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12
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Zhu YB, Yao Y, Ren Y, Feng JZ, Huang HB. Targeted Temperature Management for Cardiac Arrest Due to Non-shockable Rhythm: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Front Med (Lausanne) 2022; 9:910560. [PMID: 35721063 PMCID: PMC9203727 DOI: 10.3389/fmed.2022.910560] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Accepted: 05/16/2022] [Indexed: 11/13/2022] Open
Abstract
Background Targeted temperature management (TTM) is recommended in adult patients following cardiac arrest (CA) with any rhythm. However, as to non-shockable (NSR) CA, high-quality evidence of TTM supporting its practices remains uncertain. Thus, we aimed to conduct a systematic review and meta-analysis with randomized controlled trials (RCTs) to explore the efficacy and safety of TTM in this population. Methods We searched PubMed, Embase, and Cochrane library databases for potential trials from inception through Aug 25, 2021. RCTs evaluating TTM for CA adults due to NSR were included, regardless of the timing of cooling initiation. Outcome measurements were mortality and good neurological function. We used the Cochrane bias tools to evaluate the quality of the included studies. Heterogeneity, subgroup analyses, and sensitivity analysis were investigated to test the robustness of the primary outcomes. Results A total of 14 RCTs with 4,009 adults were eligible for the final analysis. All trials had a low to moderate risk of bias. Of the included trials, six compared NSR patients with or without TTM, while eight compared pre-hospital to in-hospital TTM. Pooled data showed that TTM was not associated with improved mortality (Risk ratio [RR] 1.00; 95% CI, 0.944–1.05; P = 0.89, I2 = 0%) and good neurological outcome (RR 1.18; 95% CI 0.90–1.55; P = 0.22, I2 = 8%). Similarly, use of pre-hospital TTM resulted in neither an improved mortality (RR 0.99, 95% CI 0.97–1.03; I2 = 0%, P = 0.32) nor favorable neurological outcome (RR 1.13, 95% CI 0.93–1.38; I2 = 0%, P = 0.22). These results were further confirmed in the sensitivity analyses and subgroup analyses. Conclusions Our results showed that using the TTM strategy did not significantly affect the mortality and neurologic outcomes in CA survival presenting initial NSR.
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Affiliation(s)
- Yi-Bing Zhu
- Department of Emergency, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Yan Yao
- Department of Critical Care Medicine, School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Yu Ren
- Department of Critical Care Medicine, School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Jing-Zhi Feng
- Department of Critical Care Medicine, School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
| | - Hui-Bin Huang
- Department of Critical Care Medicine, School of Clinical Medicine, Beijing Tsinghua Changgung Hospital, Tsinghua University, Beijing, China
- *Correspondence: Hui-Bin Huang
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13
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Lee DH, Lee BK, Cho YS, Kim DK, Ryu SJ, Min JH, Park JS, Jeung KW, Kim HJ, Youn CS. Heat loss augmented by extracorporeal circulation is associated with overcooling in cardiac arrest survivors who underwent targeted temperature management. Sci Rep 2022; 12:6186. [PMID: 35418577 PMCID: PMC9007968 DOI: 10.1038/s41598-022-10196-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Accepted: 04/04/2022] [Indexed: 11/20/2022] Open
Abstract
We investigated the association of extracorporeal circuit-based devices with temperature management and neurological outcome in out-of-hospital cardiac arrest survivors who underwent targeted temperature management. Patients with extracorporeal membrane oxygenation and/or continuous renal replacement therapy were classified as the extracorporeal group. We calculated the cooling rate during the induction period and time-weighted core temperatures (TWCT) during the maintenance period. We defined the sum of TWCT above or below 33 °C as positive and negative TWCT, respectively, and the sum of TWCT above 33.5 °C or below 32.5 °C as undercooling or overcooling, respectively. The primary outcome was the negative TWCT. The secondary outcomes were positive TWCT, cooling rate, undercooling, overcooling, and poor neurological outcomes, defined as Cerebral Performance Category 3–5. Among 235 patients, 150 (63.8%) had poor neurological outcomes and 52 (22.1%) were assigned to the extracorporeal group. The extracorporeal group (β, 0.307; p < 0.001) had increased negative TWCT, rapid cooling rate (1.77 °C/h [1.22–4.20] vs. 1.24 °C/h [0.77–1.79]; p = 0.005), lower positive TWCT (33.4 °C∙min [24.9–46.2] vs. 54.6 °C∙min [29.9–87.0]), and higher overcooling (5.01 °C min [0.00–10.08] vs. 0.33 °C min [0.00–3.78]). However, the neurological outcome was not associated with the use of extracorporeal devices (odds ratio, 1.675; 95% confidence interval, 0.685–4.094).
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Affiliation(s)
- Dong Hun Lee
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Byung Kook Lee
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea. .,Department of Emergency Medicine, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, 61469, Republic of Korea.
| | - Yong Soo Cho
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Dong Ki Kim
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Seok Jin Ryu
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Jin Hong Min
- Department of Emergency Medicine, College of Medicine, Chungnam National University, Daejoen, Republic of Korea
| | - Jung Soo Park
- Department of Emergency Medicine, College of Medicine, Chungnam National University, Daejoen, Republic of Korea
| | - Kyung Woon Jeung
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea.,Department of Emergency Medicine, Chonnam National University Medical School, 160 Baekseo-ro, Dong-gu, Gwangju, 61469, Republic of Korea
| | - Hwa Jin Kim
- Department of Emergency Medicine, Chonnam National University Hospital, Gwangju, Republic of Korea
| | - Chun Song Youn
- Department of Emergency Medicine, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
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14
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Moreda M, Beacham PS, Reese A, Mulkey MA. Increasing the Effectiveness of Targeted Temperature Management. Crit Care Nurse 2021; 41:59-63. [PMID: 34595495 DOI: 10.4037/ccn2021637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
TOPIC Targeted temperature management and therapeutic hypothermia are essential components of the multimodal approach to caring for compromised patients after cardiac arrest and severe traumatic brain injury. CLINICAL RELEVANCE The continuously evolving science necessitates summation of individual facets and concepts to enhance knowledge and application for optimally delivering care. Targeted temperature management is a complex therapy that requires fine-tuning the most effective interventions to maintain high-quality targeted temperature management and maximize patient outcomes. PURPOSE To describe the underlying pathophysiology of fever and the importance of manipulating water temperature and of preventing and treating shivering during that process. CONTENT COVERED This article discusses nursing considerations regarding the care of patients requiring targeted temperature management that are necessary to improve patient outcomes.
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Affiliation(s)
- Melissa Moreda
- Melissa Moreda is a clinical nurse specialist at Duke Raleigh Hospital, Durham, North Carolina
| | - Pamela S Beacham
- Pamela S. Beacham is a clinical nurse specialist at University of North Carolina-Rex Hospital, Raleigh, North Carolina
| | - Angela Reese
- Angela Reese is a clinical nurse educator at University of North Carolina-Rex Hospital
| | - Malissa A Mulkey
- Malissa A. Mulkey is a postdoctoral research felllow at Indiana University-Purdue University, Indianapolis, Indiana, and a clinical nurse specialist at University of North Carolina-Rex Hospital
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Granfeldt A, Holmberg MJ, Nolan JP, Soar J, Andersen LW. Targeted temperature management in adult cardiac arrest: Systematic review and meta-analysis. Resuscitation 2021; 167:160-172. [PMID: 34474143 DOI: 10.1016/j.resuscitation.2021.08.040] [Citation(s) in RCA: 87] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Accepted: 08/22/2021] [Indexed: 02/04/2023]
Abstract
AIM To perform a systematic review and meta-analysis on targeted temperature management in adult cardiac arrest patients. METHODS PubMed, Embase, and the Cochrane Central Register of Controlled Trials were searched on June 17, 2021 for clinical trials. The population included adult patients with cardiac arrest. The review included all aspects of targeted temperature management including timing, temperature, duration, method of induction and maintenance, and rewarming. Two investigators reviewed trials for relevance, extracted data, and assessed risk of bias. Data were pooled using random-effects models. Certainty of evidence was evaluated using GRADE. RESULTS The systematic search identified 32 trials. Risk of bias was assessed as intermediate for most of the outcomes. For targeted temperature management with a target of 32-34 °C vs. normothermia (which often required active cooling), 9 trials were identified, with six trials included in meta-analyses. Targeted temperature management with a target of 32-34 °C did not result in an improvement in survival (risk ratio: 1.08 [95%CI: 0.89, 1.30]) or favorable neurologic outcome (risk ratio: 1.21 [95%CI: 0.91, 1.61]) at 90 to 180 days after the cardiac arrest (low certainty of evidence). Three trials assessed different hypothermic temperature targets and found no difference in outcomes (low certainty of evidence). Ten trials were identified comparing prehospital cooling vs. no prehospital cooling with no improvement in survival (risk ratio: 1.01 [95%CI: 0.92, 1.11]) or favorable neurologic outcome (risk ratio: 1.00 [95%CI: 0.90, 1.11]) at hospital discharge (moderate certainty of evidence). CONCLUSIONS Among adult patients with cardiac arrest, the use of targeted temperature management at 32-34 °C, when compared to normothermia, did not result in improved outcomes in this meta-analysis. There was no effect of initiating targeted temperature management prior to hospital arrival. These findings warrant an update of international cardiac arrest guidelines.
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Affiliation(s)
- Asger Granfeldt
- Department of Anesthesiology and Intensive Care Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Mathias J Holmberg
- Research Center for Emergency Medicine, Department of Clinical Medicine, Aarhus University Hospital and Aarhus University, Aarhus, Denmark; Department of Cardiology, Viborg Regional Hospital, Viborg, Denmark
| | - Jerry P Nolan
- University of Warwick, Warwick Medical School, Coventry, United Kingdom; Royal United Hospital, Bath, United Kingdom
| | - Jasmeet Soar
- Southmead Hospital, North Bristol NHS Trust, Bristol, United Kingdom
| | - Lars W Andersen
- Department of Anesthesiology and Intensive Care Medicine, Aarhus University Hospital, Aarhus, Denmark; Research Center for Emergency Medicine, Department of Clinical Medicine, Aarhus University Hospital and Aarhus University, Aarhus, Denmark; Prehospital Emergency Medical Services, Central Denmark Region, Denmark.
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Taccone FS, Hollenberg J, Forsberg S, Truhlar A, Jonsson M, Annoni F, Gryth D, Ringh M, Cuny J, Busch HJ, Vincent JL, Svensson L, Nordberg P. Effect of intra-arrest trans-nasal evaporative cooling in out-of-hospital cardiac arrest: a pooled individual participant data analysis. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2021; 25:198. [PMID: 34103095 PMCID: PMC8188685 DOI: 10.1186/s13054-021-03583-9] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 04/23/2021] [Indexed: 12/27/2022]
Abstract
Background Randomized trials have shown that trans-nasal evaporative cooling initiated during CPR (i.e. intra-arrest) effectively lower core body temperature in out-of-hospital cardiac arrest patients. However, these trials may have been underpowered to detect significant differences in neurologic outcome, especially in patients with initial shockable rhythm. Methods We conducted a post hoc pooled analysis of individual data from two randomized trials including 851 patients who eventually received the allocated intervention and with available outcome (“as-treated” analysis). Primary outcome was survival with favourable neurological outcome at hospital discharge (Cerebral Performance Category [CPC] of 1–2) according to the initial rhythm (shockable vs. non-shockable). Secondary outcomes included complete neurological recovery (CPC 1) at hospital discharge. Results Among the 325 patients with initial shockable rhythms, favourable neurological outcome was observed in 54/158 (34.2%) patients in the intervention and 40/167 (24.0%) in the control group (RR 1.43 [confidence intervals, CIs 1.01–2.02]). Complete neurological recovery was observed in 40/158 (25.3%) in the intervention and 27/167 (16.2%) in the control group (RR 1.57 [CIs 1.01–2.42]). Among the 526 patients with initial non-shockable rhythms, favourable neurological outcome was in 10/259 (3.8%) in the intervention and 13/267 (4.9%) in the control group (RR 0.88 [CIs 0.52–1.29]; p = 0.67); survival and complete neurological recovery were also similar between groups. No significant benefit was observed for the intervention in the entire population. Conclusions In this pooled analysis of individual data, intra-arrest cooling was associated with a significant increase in favourable neurological outcome in out-of-hospital cardiac arrest patients with initial shockable rhythms. Future studies are needed to confirm the potential benefits of this intervention in this subgroup of patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13054-021-03583-9.
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Affiliation(s)
- Fabio Silvio Taccone
- Department of Intensive Care, Hopital Erasme, Université Libre de Bruxelles (ULB), Route de Lennik, 808, 1070, Bruxelles, Belgium
| | - Jacob Hollenberg
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Sune Forsberg
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Anatolij Truhlar
- Emergency Medical Services of the Hradec Kralove Region, Hradec Kralove University Hospital, Hradec Kralove, Czech Republic
| | - Martin Jonsson
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Filippo Annoni
- Department of Intensive Care, Hopital Erasme, Université Libre de Bruxelles (ULB), Route de Lennik, 808, 1070, Bruxelles, Belgium.
| | - Dan Gryth
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Mattias Ringh
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Jerome Cuny
- Emergency Department, SAMU Centre Hospitalier Régional Universitaire de Lille, Lille, France
| | - Hans-Jörg Busch
- Department of Emergency Medicine, University Hospital of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Jean-Louis Vincent
- Department of Intensive Care, Hopital Erasme, Université Libre de Bruxelles (ULB), Route de Lennik, 808, 1070, Bruxelles, Belgium
| | - Leif Svensson
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Per Nordberg
- Department of Medicine Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
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Kim YM, Jeung KW, Kim WY, Park YS, Oh JS, You YH, Lee DH, Chae MK, Jeong YJ, Kim MC, Ha EJ, Hwang KJ, Kim WS, Lee JM, Cha KC, Chung SP, Park JD, Kim HS, Lee MJ, Na SH, Kim ARE, Hwang SO. 2020 Korean Guidelines for Cardiopulmonary Resuscitation. Part 5. Post-cardiac arrest care. Clin Exp Emerg Med 2021; 8:S41-S64. [PMID: 34034449 PMCID: PMC8171174 DOI: 10.15441/ceem.21.025] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 03/07/2021] [Accepted: 03/19/2021] [Indexed: 12/20/2022] Open
Affiliation(s)
- Young-Min Kim
- Department of Emergency Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Kyung Woon Jeung
- Department of Emergency Medicine, Chonnam National University College of Medicine, Gwangju, Korea
| | - Won Young Kim
- Department of Emergency Medicine, Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea
| | - Yoo Seok Park
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - Joo Suk Oh
- Department of Emergency Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Yeon Ho You
- Department of Emergency Medicine, Chungnam National University College of Medicine, Daejeon, Korea
| | - Dong Hoon Lee
- Department of Emergency Medicine, Chung-Ang University College of Medicine, Seoul, Korea
| | - Minjung Kathy Chae
- Department of Emergency Medicine, Ajou University College of Medicine, Suwon, Korea
| | - Yoo Jin Jeong
- Department of Emergency Medicine, Chonnam National University College of Medicine, Gwangju, Korea
| | - Min Chul Kim
- Department of Internal Medicine, Chonnam National University College of Medicine, Gwangju, Korea
| | - Eun Jin Ha
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea
| | - Kyoung Jin Hwang
- Department of Neurology, Kyung Hee University College of Medicine, Seoul, Korea
| | - Won-Seok Kim
- Department of Rehabilitation Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Jae Myung Lee
- Department of General Surgery, Korea University College of Medicine, Seoul, Korea
| | - Kyoung-Chul Cha
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - Sung Phil Chung
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
| | - June Dong Park
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Han-Suk Kim
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
| | - Mi Jin Lee
- Department of Emergency Medicine, Kyoungbook University College of Medicine, Daegu, Korea
| | - Sang-Hoon Na
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Ai-Rhan Ellen Kim
- Department of Pediatrics, Ulsan University College of Medicine, Seoul, Korea
| | - Sung Oh Hwang
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
| | - on behalf of the Steering Committee of 2020 Korean Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care
- Department of Emergency Medicine, The Catholic University of Korea College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Chonnam National University College of Medicine, Gwangju, Korea
- Department of Emergency Medicine, Asan Medical Center, Ulsan University College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Yonsei University College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Chungnam National University College of Medicine, Daejeon, Korea
- Department of Emergency Medicine, Chung-Ang University College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Ajou University College of Medicine, Suwon, Korea
- Department of Internal Medicine, Chonnam National University College of Medicine, Gwangju, Korea
- Department of Neurosurgery, Seoul National University College of Medicine, Seoul, Korea
- Department of Neurology, Kyung Hee University College of Medicine, Seoul, Korea
- Department of Rehabilitation Medicine, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
- Department of General Surgery, Korea University College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Yonsei University Wonju College of Medicine, Wonju, Korea
- Department of Pediatrics, Seoul National University College of Medicine, Seoul, Korea
- Department of Emergency Medicine, Kyoungbook University College of Medicine, Daegu, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Pediatrics, Ulsan University College of Medicine, Seoul, Korea
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Annoni F, Peluso L, Fiore M, Nordberg P, Svensson L, Abella B, Calabro L, Scolletta S, Vincent JL, Creteur J, Taccone FS. Impact of therapeutic hypothermia during cardiopulmonary resuscitation on neurologic outcome: A systematic review and meta-analysis. Resuscitation 2021; 162:365-371. [PMID: 33545107 DOI: 10.1016/j.resuscitation.2021.01.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 01/08/2023]
Abstract
BACKGROUND Therapeutic cooling initiated during cardiopulmonary resuscitation (intra arrest therapeutic hypothermia, IATH) provided diverging effect on neurological outcome of out-of-hospital cardiac arrest (OHCA) patients depending on the initial cardiac rhythm and the cooling methods used. METHODS We performed a systematic search of PubMed, EMBASE and the CENTRAL databases using established Medical Subject Headings (MeSH) terms for IATH and OHCA. Only studies comparing IATH to standard in-hospital targeted temperature management (TTM) were selected. We used the revised Cochrane RoB-2 and the Newcastle-Ottawa scale tool to assess risk of bias of each study. Primary outcome was favorable neurological outcome (FO); secondary outcomes included return of spontaneous circulation (ROSC) rate and survival to hospital discharge. RESULTS Out of 20,950 studies, 8 studies (n = 3493 patients, including 4 randomized trials, RCTs) were included in the final analysis. Compared to controls, the use of IATH was not associated with improved FO (OR 0.96 [95% CIs 0.68-1.37]; p = 0.84), increased ROSC rate (OR 1.11 [95% CIs 0.83-1.49]; p = 0.46) or survival (OR 0.91 [95% CIs 0.73-1.14]; p = 0.43). Significant heterogeneity among studies was observed for the analysis of ROSC rate (I2 = 69%). Trans-nasal evaporative cooling and cold fluids were explored in two RCTs each and no differences were observed on FO, event when only patients with an initial shockable rhythm were analyzed (OR 1.62 [95% CI 1.00-2.64]; p = 0.05]. CONCLUSIONS In this meta-analysis, IATH was not associated with improved neurological outcome when compared to standard in-hospital TTM, based on very low certainty of evidence. CLINICAL TRIAL REGISTRATION PROSPERO (CRD42019130322).
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Affiliation(s)
- Filippo Annoni
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium.
| | - Lorenzo Peluso
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Marco Fiore
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Per Nordberg
- Department of Medicine, Centre for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Leif Svensson
- Department of Medicine, Centre for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Benjamin Abella
- Department of Emergency Medicine, Center for Resuscitation Science, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Lorenzo Calabro
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Sabino Scolletta
- Department of Medicine, Surgery and Neuroscience, University of Siena, Azienda Ospedaliero-Universitaria Senese, Siena, Italy
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Jacques Creteur
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Fabio Silvio Taccone
- Department of Intensive Care, Erasme University Hospital, Université Libre de Bruxelles, Brussels, Belgium
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Fletcher DJ, Boller M. Fluid Therapy During Cardiopulmonary Resuscitation. Front Vet Sci 2021; 7:625361. [PMID: 33585610 PMCID: PMC7876065 DOI: 10.3389/fvets.2020.625361] [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: 11/02/2020] [Accepted: 12/31/2020] [Indexed: 11/16/2022] Open
Abstract
Cardiopulmonary arrest (CPA), the acute cessation of blood flow and ventilation, is fatal if left untreated. Cardiopulmonary resuscitation (CPR) is targeted at restoring oxygen delivery to tissues to mitigate ischemic injury and to provide energy substrate to the tissues in order to achieve return of spontaneous circulation (ROSC). In addition to basic life support (BLS), targeted at replacing the mechanical aspects of circulation and ventilation, adjunctive advanced life support (ALS) interventions, such as intravenous fluid therapy, can improve the likelihood of ROSC depending on the specific characteristics of the patient. In hypovolemic patients with CPA, intravenous fluid boluses to improve preload and cardiac output are likely beneficial, and the use of hypertonic saline may confer additional neuroprotective effects. However, in euvolemic patients, isotonic or hypertonic crystalloid boluses may be detrimental due to decreased tissue blood flow caused by compromised tissue perfusion pressures. Synthetic colloids have not been shown to be beneficial in patients in CPA, and given their documented potential for harm, they are not recommended. Patients with documented electrolyte abnormalities such as hypokalemia or hyperkalemia benefit from therapy targeted at those disturbances, and patients with CPA induced by lipid soluble toxins may benefit from intravenous lipid emulsion therapy. Patients with prolonged CPA that have developed significant acidemia may benefit from intravenous buffer therapy, but patients with acute CPA may be harmed by buffers. In general, ALS fluid therapies should be used only if specific indications are present in the individual patient.
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Affiliation(s)
- Daniel J Fletcher
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States
| | - Manuel Boller
- Faculty of Veterinary and Agricultural Sciences, Melbourne Veterinary School, University of Melbourne, Werribee, VIC, Australia
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Abstract
PURPOSE OF REVIEW To address the impact of therapeutic hypothermia induced already during cardiopulmonary resuscitation (i.e. intra-arrest cooling) and its association with neurologic functional outcome. RECENT FINDINGS Intra-arrest cooling is superior than post-ROSC cooling to mitigate brain injuries in experimental models of cardiac arrest. The delayed initiation of hypothermia in human studies may not have adequately addressed the underlying pathophysiology of ischemia and reperfusion. The assessment of early initiation of cooling has been complicated by increased rate of hemodynamic adverse events caused by infusion of cold intravenous fluids. These adverse events have been more deleterious in patients with initial shockable rhythms. A recent randomized study shows that an alternative intra-arrest cooling method using trans-nasal evaporative cooling was well tolerated and effective to shorten time to target temperature. However, the neurologic outcomes (CPC 1-2 at 90 days) in favor of intra-arrest cooling compared to hospital cooling (34.8% vs 25.9%, P = 0.11) in patients with initial shockable rhythms did not reach statistical significance. SUMMARY Therapeutic intra-arrest hypothermia can be initiated safely at the scene of the arrest using transnasal evaporative cooling. The potential beneficial effect of intra-arrest cooling on neurologic recovery in patients with initial shockable rhythms should be explored further.
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21
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Stanger D, Kawano T, Malhi N, Grunau B, Tallon J, Wong GC, Christenson J, Fordyce CB. Door-to-Targeted Temperature Management Initiation Time and Outcomes in Out-of-Hospital Cardiac Arrest: Insights From the Continuous Chest Compressions Trial. J Am Heart Assoc 2020; 8:e012001. [PMID: 31055981 PMCID: PMC6512141 DOI: 10.1161/jaha.119.012001] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Background Targeted temperature management (TTM) is a recommended treatment modality to improve neurological outcomes in patients with out‐of‐hospital cardiac arrest. The impact of the duration from hospital admission to TTM initiation (door‐to‐TTM; DTT) on clinical outcomes has not been well elucidated. We hypothesized that shorter DTT initiation intervals would be associated with improved survival with favorable neurological outcome. Methods and Results We performed a post hoc analysis of nontraumatic paramedic‐treated out‐of‐hospital cardiac arrests. The primary outcome was favorable neurological status at hospital discharge, with a secondary outcome of survival to discharge. We fit a logistic regression analysis to determine the association of early compared with delayed DTT, dichotomized by the median DTT duration, and outcomes. Of 3805 patients enrolled in the CCC (Continuous Chest Compressions) Trial in British Columbia, 570 were included in this analysis. There was substantial variation in DTT among patients receiving TTM. The median DTT duration was 122 minutes (interquartile range 35‐218). Favorable neurological outcomes in the early and delayed DTT groups were 48% and 38%, respectively. Compared with delayed DTT (interquartile range 167‐319 minutes), early DTT (interquartile range 20‐81 minutes) was associated with survival (adjusted odds ratio 1.56, 95% CI 1.02‐2.38) but not with favorable neurological outcomes (adjusted odds ratio 1.45, 95% CI, 0.94‐2.22) at hospital discharge. Conclusions There was wide variability in the initiation of TTM among comatose out‐of‐hospital cardiac arrest survivors. Initiation of TTM within 122 minutes of hospital admission was associated with improved survival. These results support in‐hospital efforts to achieve early DTT among out‐of‐hospital cardiac arrest patients admitted to the hospital. See Editorial Schenone and Menon
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Affiliation(s)
- Dylan Stanger
- 1 Division of Cardiology Department of Medicine University of British Columbia Vancouver British Columbia Canada
| | | | - Navraj Malhi
- 1 Division of Cardiology Department of Medicine University of British Columbia Vancouver British Columbia Canada
| | - Brian Grunau
- 3 Department of Emergency Medicine University of British Columbia Vancouver British Columbia Canada
| | - John Tallon
- 3 Department of Emergency Medicine University of British Columbia Vancouver British Columbia Canada.,4 British Columbia Emergency Health Services Vancouver British Columbia Canada
| | - Graham C Wong
- 1 Division of Cardiology Department of Medicine University of British Columbia Vancouver British Columbia Canada
| | - James Christenson
- 3 Department of Emergency Medicine University of British Columbia Vancouver British Columbia Canada
| | - Christopher B Fordyce
- 1 Division of Cardiology Department of Medicine University of British Columbia Vancouver British Columbia Canada
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Awad A, Taccone FS, Jonsson M, Forsberg S, Hollenberg J, Truhlar A, Ringh M, Abella BS, Becker LB, Vincent JL, Svensson L, Nordberg P. Time to intra-arrest therapeutic hypothermia in out-of-hospital cardiac arrest patients and its association with neurologic outcome: a propensity matched sub-analysis of the PRINCESS trial. Intensive Care Med 2020; 46:1361-1370. [PMID: 32514590 PMCID: PMC7334260 DOI: 10.1007/s00134-020-06024-3] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2019] [Accepted: 03/23/2020] [Indexed: 11/27/2022]
Abstract
PURPOSE To study the association between early initiation of intra-arrest therapeutic hypothermia and neurologic outcome in out-of-hospital cardiac arrest. METHODS A prespecified sub-analysis of the PRINCESS trial (NCT01400373) that randomized 677 bystander-witnessed cardiac arrests to transnasal evaporative intra-arrest cooling initiated by emergency medical services or cooling started after hospital arrival. Early cooling (intervention) was defined as intra-arrest cooling initiated < 20 min from collapse (i.e., ≤ median time to cooling in PRINCESS). Propensity score matching established comparable control patients. Primary outcome was favorable neurologic outcome, Cerebral Performance Category (CPC) 1-2 at 90 days. Complete recovery (CPC 1) was among secondary outcomes. RESULTS In total, 300 patients were analyzed and the proportion with CPC 1-2 at 90 days was 35/150 (23.3%) in the intervention group versus 24/150 (16%) in the control group, odds ratio (OR) 1.92, 95% confidence interval (CI) 0.95-3.85, p = .07. In patients with shockable rhythm, CPC 1-2 was 29/57 (50.9%) versus 17/57 (29.8%), OR 3.25, 95%, CI 1.06-9.97, p = .04. The proportion with CPC 1 at 90 days was 31/150 (20.7%) in the intervention group and 17/150 (11.3%) in controls, OR 2.27, 95% CI 1.12-4.62, p = .02. In patients with shockable rhythms, the proportion with CPC 1 was 27/57 (47.4%) versus 12/57 (21.1%), OR 5.33, 95% CI 1.55-18.3, p = .008. CONCLUSIONS In the whole study population, intra-arrest cooling initiated < 20 min from collapse compared to cooling initiated at hospital was not associated with improved favorable neurologic outcome. In the subgroup with shockable rhythms, early cooling was associated with improved favorable outcome and complete recovery.
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Affiliation(s)
- Akil Awad
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Fabio Silvio Taccone
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Martin Jonsson
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Sune Forsberg
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Jacob Hollenberg
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Anatolij Truhlar
- Emergency Medical Services of the Hradec Kralove Region, Hradec Králové, Czech Republic
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital Hradec Králové, Hradec Králové, Czech Republic
| | - Mattias Ringh
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Benjamin S Abella
- The Center for Resuscitation Science and Department of Emergency Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Lance B Becker
- Department of Emergency Medicine, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Manhasset, NY, 11030, USA
- Department of Emergency Medicine, Feinstein Institute for Medical Research, Manhasset, NY, USA
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Leif Svensson
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Per Nordberg
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden.
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Herrera-Perez D, Fox-Lee R, Bien J, Prasad V. Frequency of Medical Reversal Among Published Randomized Controlled Trials Assessing Cardiopulmonary Resuscitation (CPR). Mayo Clin Proc 2020; 95:889-910. [PMID: 32370852 DOI: 10.1016/j.mayocp.2020.01.036] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 01/31/2020] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To characterize what proportion of all randomized controlled trials (RCTs) among patients experiencing cardiac arrest find that an established practice is ineffective or harmful, that is, a medical reversal. METHODS We reviewed a database of all published RCTs of cardiac arrest patient populations between 1995 and 2014. Articles were classified on the basis of whether they tested a new or existing therapy and whether results were positive or negative. A reversal was defined as a negative RCT of an established practice. Further review and categorization were performed to confirm that reversals were supported by subsequent systematic review, as well as to identify the type of medical practice studied in each reversal. This study was conducted from October 2017 to June 17, 2019. RESULTS We reviewed 92 original articles, 76 of which could be conclusively categorized. Of these, 18 (24%) articles examined a new medical practice, whereas 58 (76%) tested an established practice. A total of 18 (24%) studies had positive findings, whereas 58 (76%) reached a negative conclusion. Of the 58 articles testing existing standard of care, 44 (76%) reversed that practice, whereas 14 (24%) reaffirmed it. CONCLUSION Reversal of cardiopulmonary resuscitation practices is widespread. This investigation sheds new light on low-value practices and patterns of medical research and suggests that novel resuscitation practices have low pretest probability and should be empirically tested with rigorous trials before implementation.
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Affiliation(s)
- Diana Herrera-Perez
- Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health and Science University, Portland
| | - Ryan Fox-Lee
- School of Medicine, Oregon Health and Science University, Portland
| | - Jeffrey Bien
- School of Medicine, Oregon Health and Science University, Portland
| | - Vinay Prasad
- Division of Hematology and Medical Oncology, Knight Cancer Institute, Oregon Health and Science University, Portland; Center for Health Care Ethics, Oregon Health and Science University, Portland.
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Szarpak L, Filipiak KJ, Mosteller L, Jaguszewski M, Smereka J, Ruetzler K, Ahuja S, Ladny JR. Survival, neurological and safety outcomes after out of hospital cardiac arrests treated by using prehospital therapeutic hypothermia: A systematic review and meta-analysis. Am J Emerg Med 2020; 42:168-177. [PMID: 32088060 DOI: 10.1016/j.ajem.2020.02.019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 01/17/2020] [Accepted: 02/13/2020] [Indexed: 10/25/2022] Open
Affiliation(s)
- Lukasz Szarpak
- Lazarski University, Warsaw, Poland; Polish Society of Disaster Medicine, Warsaw, Poland.
| | | | - Lauretta Mosteller
- Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Milosz Jaguszewski
- First Department of Cardiology, Medical University of Gdansk, Gdansk, Poland
| | - Jacek Smereka
- Department of Emergency Medical Service, Wroclaw Medical University, Wroclaw, Poland
| | - Kurt Ruetzler
- Departments of General Anesthesiology and Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, USA
| | - Sanchit Ahuja
- Department of Anesthesiology, Pain Management & Perioperative Medicine, Henry Ford Health System, Detroit, Michigan & Department of Outcomes Research, Anesthesiology Institute, Cleveland Clinic, Cleveland, USA
| | - Jerzy R Ladny
- Department of Emergency Medicine, Medical University of Bialystok, Bialystok, Poland
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25
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Adult post-cardiac arrest interventions: An overview of randomized clinical trials. Resuscitation 2020; 147:1-11. [DOI: 10.1016/j.resuscitation.2019.12.003] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Revised: 11/29/2019] [Accepted: 12/03/2019] [Indexed: 02/02/2023]
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26
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Olai H, Thornéus G, Watson H, Macleod M, Rhodes J, Friberg H, Nielsen N, Cronberg T, Deierborg T. Meta-analysis of targeted temperature management in animal models of cardiac arrest. Intensive Care Med Exp 2020; 8:3. [PMID: 31953652 PMCID: PMC6969098 DOI: 10.1186/s40635-019-0291-9] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2019] [Accepted: 12/29/2019] [Indexed: 01/13/2023] Open
Abstract
BACKGROUND Targeted temperature management (TTM) of 32 to 34 °C has been the standard treatment for out-of-hospital cardiac arrest since clinical trials in 2002 indicated benefit on survival and neurological outcome. In 2013, a clinical trial showed no difference in outcome between TTM of 33 °C and TTM of 36 °C. In this meta-analysis, we investigate the evidence for TTM in animal models of cardiac arrest. METHODS We searched PubMed and EMBASE for adult animal studies using TTM as a treatment in different models of cardiac arrest or global brain ischemia which reported neurobehavioural outcome, brain histology or mortality. We used a random effects model to calculate estimates of efficacy and assessed risk of bias using an adapted eight-item version of the Collaborative Approach to Meta-Analysis and Review of Animal Data from Experimental Studies (CAMARADES) quality checklist. We also used a scoring system based on the recommendations of the Stroke Treatment Academic Industry Roundtable (STAIR), to assess the scope of testing in the field. Included studies which investigated a post-ischemic induction of TTM had their treatment regimens characterized with regard to depth, duration and time to treatment and scored against the modified STAIR criteria. RESULTS The initial and updated search generated 17809 studies after duplicate removal. One hundred eighty-one studies met the inclusion criteria, including data from 1,787, 6,495 and 2,945 animals for neurobehavioural, histological and mortality outcomes, respectively. TTM was favoured compared to control for all outcomes. TTM was beneficial using short and prolonged cooling, deep and moderate temperature reduction, and early and delayed time to treatment. Median [IQR] study quality was 4 [3 to 6]. Eighteen studies checked seven or more of the eight CAMARADES quality items. There was no clear correlation between study quality and efficacy for any outcome. STAIR analysis identified 102 studies investigating post-ischemic induction of TTM, comprising 147 different treatment regimens of TTM. Only 2 and 8 out of 147 regimens investigated comorbid and gyrencephalic animals, respectively. CONCLUSIONS TTM is beneficial under most experimental conditions in animal models of cardiac arrest or global brain ischemia. However, research on gyrencephalic species and especially comorbid animals is uncommon and a possible translational gap. Also, low study quality suggests risk of bias within studies. Future animal research should focus on mimicking the clinical scenario and employ similar rigour in trial design to that of modern clinical trials.
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Affiliation(s)
- Hilmer Olai
- Department of Experimental Medical Science, Experimental Neuroinflammation Laboratory, Lund University, Lund, Sweden
| | - Gustav Thornéus
- Department of Experimental Medical Science, Experimental Neuroinflammation Laboratory, Lund University, Lund, Sweden
| | - Hannah Watson
- Department of Anaesthesia, Western General Hospital, NHS Lothian, Edinburgh, UK
- Department of Critical Care, Western General Hospital, NHS Lothian, Edinburgh, UK
| | - Malcolm Macleod
- Centre for Clinical Brain Sciences, University of Edinburgh, Edinburgh, UK
| | - Jonathan Rhodes
- Department of Anaesthesia, Critical care and Pain Medicine/NHS Lothian, University of Edinburgh, Edinburgh, UK
| | - Hans Friberg
- Department of Clinical Sciences, Anesthesia & Intensive care, Skåne University Hospital, Lund University, Lund, Sweden
| | - Niklas Nielsen
- Department of Clinical Sciences Lund, Anesthesia & Intensive care, Helsingborg Hospital, Lund University, Lund, Sweden
| | - Tobias Cronberg
- Department of Clinical Sciences Lund, Neurology, Skåne University Hospital, Lund University, Lund, Sweden
| | - Tomas Deierborg
- Department of Experimental Medical Science, Experimental Neuroinflammation Laboratory, Lund University, Lund, Sweden.
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27
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Taccone FS, Picetti E, Vincent JL. High Quality Targeted Temperature Management (TTM) After Cardiac Arrest. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2020; 24:6. [PMID: 31907075 PMCID: PMC6945621 DOI: 10.1186/s13054-019-2721-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Accepted: 12/23/2019] [Indexed: 12/18/2022]
Abstract
Targeted temperature management (TTM) is a complex intervention used with the aim of minimizing post-anoxic injury and improving neurological outcome after cardiac arrest. There is large variability in the devices used to achieve cooling and in protocols (e.g., for induction, target temperature, maintenance, rewarming, sedation, management of post-TTM fever). This variability can explain the limited benefits of TTM that have sometimes been reported. We therefore propose the concept of “high-quality TTM” as a way to increase the effectiveness of TTM and standardize its use in future interventional studies.
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Affiliation(s)
- Fabio Silvio Taccone
- Department of Intensive Care, Cliniques Universitaires de Bruxelles Hopital Erasme, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070, Brussels, Belgium.
| | - Edoardo Picetti
- Department of Anesthesia and Intensive Care, Parma University Hospital, Parma, Italy
| | - Jean-Louis Vincent
- Department of Intensive Care, Cliniques Universitaires de Bruxelles Hopital Erasme, Université Libre de Bruxelles (ULB), Route de Lennik 808, 1070, Brussels, Belgium
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28
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Intraoperative Hypothermia Is Associated with Reduced Acute Kidney Injury After Spine Surgery Under General Anesthesia: A Retrospective Observational Study. J Neurosurg Anesthesiol 2020; 32:63-69. [DOI: 10.1097/ana.0000000000000552] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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29
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Kim YS, Cho JH, Shin MC, Park Y, Park CW, Tae HJ, Cho JH, Kim IS, Lee TK, Park YE, Ahn JH, Park JH, Kim DW, Won MH, Lee JC. Effects of regional body temperature variation during asphyxial cardiac arrest on mortality and brain damage in a rat model. J Therm Biol 2019; 87:102466. [PMID: 31999601 DOI: 10.1016/j.jtherbio.2019.102466] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/18/2019] [Accepted: 11/21/2019] [Indexed: 01/19/2023]
Abstract
To date, hypothermia has focused on improving rates of resuscitation to increase survival in patients sustaining cardiac arrest (CA). Towards this end, the role of body temperature in neuronal damage or death during CA needs to be determined. However, few studies have investigated the effect of regional temperature variation on survival rate and neurological outcomes. In this study, adult male rats (12 week-old) were used under the following four conditions: (i) whole-body normothermia (37 ± 0.5 °C) plus (+) no asphyxial CA, (ii) whole-body normothermia + CA, (iii) whole-body hypothermia (33 ± 0.5 °C)+CA, (iv) body hypothermia/brain normothermia + CA, and (v) brain hypothermia/body normothermia + CA. The survival rate after resuscitation was significantly elevated in groups exposed to whole-body hypothermia plus CA and body hypothermia/brain normothermia plus CA, but not in groups exposed to whole-body normothermia combined with CA and brain hypothermia/body normothermia plus CA. However, the group exposed to hypothermia/brain normothermia combined with CA exhibited higher neuroprotective effects against asphyxial CA injury, i.e. improved neurological deficit and neuronal death in the hippocampus compared with those involving whole-body normothermia combined with CA. In addition, neurological deficit and neuronal death in the group of rat exposed to brain hypothermia/body normothermia and CA were similar to those in the rats subjected to whole-body normothermia and CA. In brief, only brain hypothermia during CA was not associated with effective survival rate, neurological function or neuronal protection compared with those under body (but not brain) hypothermia during CA. Our present study suggests that regional temperature in patients during CA significantly affects the outcomes associated with survival rate and neurological recovery.
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Affiliation(s)
- Yoon Sung Kim
- Department of Emergency Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea; Department of Emergency Medicine, Samcheok Medical Center, Samcheok, Kangwon, 25920, Republic of Korea
| | - Jun Hwi Cho
- Department of Emergency Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea
| | - Myoung-Cheol Shin
- Department of Emergency Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea
| | - Yoonsoo Park
- Department of Emergency Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea
| | - Chan Woo Park
- Department of Emergency Medicine, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea
| | - Hyun-Jin Tae
- Bio-Safety Research Institute, College of Veterinary Medicine, Chonbuk National University, Iksan, Chonbuk, 54596, Republic of Korea
| | - Jeong Hwi Cho
- Bio-Safety Research Institute, College of Veterinary Medicine, Chonbuk National University, Iksan, Chonbuk, 54596, Republic of Korea
| | - In-Shik Kim
- Bio-Safety Research Institute, College of Veterinary Medicine, Chonbuk National University, Iksan, Chonbuk, 54596, Republic of Korea
| | - Tae-Kyeong Lee
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea
| | - Young Eun Park
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea
| | - Ji Hyeon Ahn
- Department of Biomedical Science and Research Institute for Bioscience and Biotechnology, Hallym University, Chuncheon, Gangwon, 24252, Republic of Korea
| | - Joon Ha Park
- Department of Anatomy, College of Korean Medicine, Dongguk University, Gyeongju, Gyeongbuk, 38066, Republic of Korea
| | - Dae Won Kim
- Department of Biochemistry and Molecular Biology, Research Institute of Oral Sciences, College of Dentistry, Kangnung-Wonju National University, Gangneung, Gangwon, 25457, Republic of Korea
| | - Moo-Ho Won
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea.
| | - Jae-Chul Lee
- Department of Neurobiology, School of Medicine, Kangwon National University, Chuncheon, Gangwon, 24341, Republic of Korea.
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30
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Duhem H, Viglino D, Bellier A, Tanguy S, Descombe V, Boucher F, Chaffanjon P, Debaty G. Cadaver models for cardiac arrest: A systematic review and perspectives. Resuscitation 2019; 143:68-76. [DOI: 10.1016/j.resuscitation.2019.08.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 07/09/2019] [Accepted: 08/06/2019] [Indexed: 02/08/2023]
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31
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Geocadin RG, Wijdicks E, Dubinsky RM, Ornato JP, Torbey MT, Suarez JI. Author response: Practice guideline summary: Reducing brain injury following cardiopulmonary resuscitation: Report of the Guideline Development, Dissemination, and Implementation Subcommittee of the American Academy of Neurology. Neurology 2019; 89:2302-2303. [PMID: 29180579 DOI: 10.1212/wnl.0000000000004697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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32
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Intra-Arrest Induction of Hypothermia via Large-Volume Ice-Cold Saline for Sudden Cardiac Arrest: The New York City Project Hypothermia Experience. Ther Hypothermia Temp Manag 2019; 9:128-135. [DOI: 10.1089/ther.2018.0023] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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Nordberg P, Taccone FS, Truhlar A, Forsberg S, Hollenberg J, Jonsson M, Cuny J, Goldstein P, Vermeersch N, Higuet A, Jiménes FC, Ortiz FR, Williams J, Desruelles D, Creteur J, Dillenbeck E, Busche C, Busch HJ, Ringh M, Konrad D, Peterson J, Vincent JL, Svensson L. Effect of Trans-Nasal Evaporative Intra-arrest Cooling on Functional Neurologic Outcome in Out-of-Hospital Cardiac Arrest: The PRINCESS Randomized Clinical Trial. JAMA 2019; 321:1677-1685. [PMID: 31063573 PMCID: PMC6506882 DOI: 10.1001/jama.2019.4149] [Citation(s) in RCA: 107] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
IMPORTANCE Therapeutic hypothermia may increase survival with good neurologic outcome after cardiac arrest. Trans-nasal evaporative cooling is a method used to induce cooling, primarily of the brain, during cardiopulmonary resuscitation (ie, intra-arrest). OBJECTIVE To determine whether prehospital trans-nasal evaporative intra-arrest cooling improves survival with good neurologic outcome compared with cooling initiated after hospital arrival. DESIGN, SETTING, AND PARTICIPANTS The PRINCESS trial was an investigator-initiated, randomized, clinical, international multicenter study with blinded assessment of the outcome, performed by emergency medical services in 7 European countries from July 2010 to January 2018, with final follow-up on April 29, 2018. In total, 677 patients with bystander-witnessed out-of-hospital cardiac arrest were enrolled. INTERVENTIONS Patients were randomly assigned to receive trans-nasal evaporative intra-arrest cooling (n = 343) or standard care (n = 334). Patients admitted to the hospital in both groups received systemic therapeutic hypothermia at 32°C to 34°C for 24 hours. MAIN OUTCOMES AND MEASURES The primary outcome was survival with good neurologic outcome, defined as Cerebral Performance Category (CPC) 1-2, at 90 days. Secondary outcomes were survival at 90 days and time to reach core body temperature less than 34°C. RESULTS Among the 677 randomized patients (median age, 65 years; 172 [25%] women), 671 completed the trial. Median time to core temperature less than 34°C was 105 minutes in the intervention group vs 182 minutes in the control group (P < .001). The number of patients with CPC 1-2 at 90 days was 56 of 337 (16.6%) in the intervention cooling group vs 45 of 334 (13.5%) in the control group (difference, 3.1% [95% CI, -2.3% to 8.5%]; relative risk [RR], 1.23 [95% CI, 0.86-1.72]; P = .25). In the intervention group, 60 of 337 patients (17.8%) were alive at 90 days vs 52 of 334 (15.6%) in the control group (difference, 2.2% [95% CI, -3.4% to 7.9%]; RR, 1.14 [95% CI, 0.81-1.57]; P = .44). Minor nosebleed was the most common device-related adverse event, reported in 45 of 337 patients (13%) in the intervention group. The adverse event rate within 7 days was similar between groups. CONCLUSIONS AND RELEVANCE Among patients with out-of-hospital cardiac arrest, trans-nasal evaporative intra-arrest cooling compared with usual care did not result in a statistically significant improvement in survival with good neurologic outcome at 90 days. TRIAL REGISTRATION ClinicalTrials.gov Identifier: NCT01400373.
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Affiliation(s)
- Per Nordberg
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Fabio Silvio Taccone
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Anatolij Truhlar
- Emergency Medical Services of the Hradec Kralove Region, Czech Republic
| | - Sune Forsberg
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
- Department of Anesthesiology and Intensive Care, Norrtälje Hospital, Norrtälje, Sweden
| | - Jacob Hollenberg
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Martin Jonsson
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Jerome Cuny
- Emergency Department and SAMU, Centre Hospitalier Régional Universitaire de Lille, Lille, France
| | - Patrick Goldstein
- Emergency Department and SAMU, Centre Hospitalier Régional Universitaire de Lille, Lille, France
| | | | | | | | | | - Julia Williams
- School of Health and Social Work, University of Hertfordshire, Hertfordshire, United Kingdom
| | - Didier Desruelles
- Emergency Department, University Hospitals of Leuven, Leuven, Belgium
| | - Jacques Creteur
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Emelie Dillenbeck
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - Caroline Busche
- Department of Emergency Medicine, University Hospital of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Hans-Jörg Busch
- Department of Emergency Medicine, University Hospital of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany
| | - Mattias Ringh
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
| | - David Konrad
- Department of Physiology and Pharmacology, Karolinska Institute, and Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
| | - Johan Peterson
- Department of Physiology and Pharmacology, Karolinska Institute, and Perioperative Medicine and Intensive Care, Karolinska University Hospital, Stockholm, Sweden
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Leif Svensson
- Department of Medicine, Center for Resuscitation Science, Karolinska Institute, Solna, Sweden
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Kalra R, Arora G, Patel N, Doshi R, Berra L, Arora P, Bajaj NS. Targeted Temperature Management After Cardiac Arrest: Systematic Review and Meta-analyses. Anesth Analg 2018; 126:867-875. [PMID: 29239942 DOI: 10.1213/ane.0000000000002646] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Targeted temperature management (TTM) with therapeutic hypothermia is an integral component of postarrest care for survivors. However, recent randomized controlled trials (RCTs) have failed to demonstrate the benefit of TTM on clinical outcomes. We sought to determine if the pooled data from available RCTs support the use of prehospital and/or in-hospital TTM after cardiac arrest. METHODS A comprehensive search of SCOPUS, Elsevier's abstract and citation database of peer-reviewed literature, from 1966 to November 2016 was performed using predefined criteria. Therapeutic hypothermia was defined as any strategy that aimed to cool post-cardiac arrest survivors to a temperature ≤34°C. Normothermia was temperature of ≥36°C. We compared mortality and neurologic outcomes in patients by categorizing the studies into 2 groups: (1) hypothermia versus normothermia and (2) prehospital hypothermia versus in-hospital hypothermia using standard meta-analytic methods. A random effects modeling was utilized to estimate comparative risk ratios (RR) and 95% confidence intervals (CIs). RESULTS The hypothermia and normothermia strategies were compared in 5 RCTs with 1389 patients, whereas prehospital hypothermia and in-hospital hypothermia were compared in 6 RCTs with 3393 patients. We observed no difference in mortality (RR, 0.88; 95% CI, 0.73-1.05) or neurologic outcomes (RR, 1.26; 95% CI, 0.92-1.72) between the hypothermia and normothermia strategies. Similarly, no difference was observed in mortality (RR, 1.00; 95% CI, 0.97-1.03) or neurologic outcome (RR, 0.96; 95% CI, 0.85-1.08) between the prehospital hypothermia versus in-hospital hypothermia strategies. CONCLUSIONS Our results suggest that TTM with therapeutic hypothermia may not improve mortality or neurologic outcomes in postarrest survivors. Using therapeutic hypothermia as a standard of care strategy of postarrest care in survivors may need to be reevaluated.
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Affiliation(s)
- Rajat Kalra
- From the Cardiovascular Division, University of Minnesota, Minneapolis, Minnesota
| | - Garima Arora
- Division of Cardiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Nirav Patel
- Division of Cardiology, University of Alabama at Birmingham, Birmingham, Alabama
| | - Rajkumar Doshi
- Department of Cardiology, North Shore University Hospital, Northwell Health, Manhasset, New York
| | - Lorenzo Berra
- Division of Anesthesia & Critical Care, Pulmonary Medicine, Massachusetts General Hospital, Boston, Massachusetts
| | - Pankaj Arora
- Division of Cardiology, University of Alabama at Birmingham, Birmingham, Alabama.,Section of Cardiology, Birmingham Veterans Affairs Medical Center, Birmingham, Alabama
| | - Navkaranbir S Bajaj
- Division of Cardiology, University of Alabama at Birmingham, Birmingham, Alabama.,Division of Cardiovascular Medicine.,Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Massachusetts
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35
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van Erp AC, van Dullemen LFA, Ploeg RJ, Leuvenink HGD. Systematic review on the treatment of deceased organ donors. Transplant Rev (Orlando) 2018; 32:194-206. [PMID: 30049604 DOI: 10.1016/j.trre.2018.06.001] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 05/04/2018] [Accepted: 06/14/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND Currently, there is no consensus on which treatments should be a part of standard deceased-donor management to improve graft quality and transplantation outcomes. The objective of this systematic review was to evaluate the effects of treatments of the deceased, solid-organ donor on graft function and survival after transplantation. METHODS Pubmed, Embase, Cochrane, and Clinicaltrials.gov were systematically searched for randomized controlled trials that compared deceased-donor treatment versus placebo or no treatment. RESULTS A total of 33 studies were selected for this systematic review. Eleven studies were included for meta-analyses on three different treatment strategies. The meta-analysis on methylprednisolone treatment in liver donors (two studies, 183 participants) showed no effect of the treatment on rates of acute rejection. The meta-analysis on antidiuretic hormone treatment in kidney donors (two studies, 222 participants) indicates no benefit in the prevention of delayed graft function. The remaining meta-analyses (seven studies, 334 participants) compared the effects of 10 min of ischaemic preconditioning on outcomes after liver transplantation and showed that ischaemic preconditioning improved short-term liver function, but not long-term transplant outcomes. CONCLUSIONS There is currently insufficient evidence to conclude that any particular drug treatment or any intervention in the deceased donor improves long-term graft or patient survival after transplantation.
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Affiliation(s)
- Anne C van Erp
- Department of Surgery, University Medical Centre Groningen, the Netherlands.
| | | | - Rutger J Ploeg
- Nuffield Department of Surgical Sciences, University of Oxford, United Kingdom.
| | - Henri G D Leuvenink
- Department of Surgery, University Medical Centre Groningen, the Netherlands.
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36
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Lindsay PJ, Buell D, Scales DC. The efficacy and safety of pre-hospital cooling after out-of-hospital cardiac arrest: a systematic review and meta-analysis. CRITICAL CARE : THE OFFICIAL JOURNAL OF THE CRITICAL CARE FORUM 2018. [PMID: 29534742 PMCID: PMC5850970 DOI: 10.1186/s13054-018-1984-2] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background Mild therapeutic hypothermia (TH), or targeted temperature management, improves survival and neurological outcomes in patients after out-of-hospital cardiac arrest (OHCA). International guidelines strongly support initiating TH for all eligible individuals presenting with OHCA; however, the timing of cooling initiation remains uncertain. This systematic review and meta-analysis was conducted with all available randomised controlled trials (RCTs) included to explore the efficacy and safety of initiating pre-hospital TH in patients with OHCA. Methods The MEDLINE and Cochrane databases were searched from inception to October 2017. Inclusion criteria for full-text review included RCTs comparing pre-hospital TH with no pre-hospital TH after cardiac arrest, patients > 14 years of age with documented cardiac arrest from any rhythm, and outcome data that included survival to hospital discharge and temperature at hospital arrival. Results of retrieved studies were compared through meta-analysis using random effects modelling. Results A total of 10 trials comprising 4220 patients were included. There were no significant differences between the two arms for the primary outcome of neurological recovery (risk ratio [RR] 1.04, 95% CI 0.93–1.15) or the secondary outcome of survival to hospital discharge (RR 1.01, 95% CI 0.92–1.11). However, there was a significantly lower temperature at hospital arrival in patients receiving pre-hospital TH (mean difference − 0.83, 95% CI − 1.03 to − 0.63). Pre-hospital TH significantly increased the risk of re-arrest (RR 1.19, 95% CI 1.00 to 1.41). No survival differences were observed among subgroups of patients who received intra-arrest TH vs post-arrest TH or who had shockable vs non-shockable rhythms. Conclusions Pre-hospital TH after OHCA effectively decreases body temperature at the time of hospital arrival. However, it does not improve rates of survival with good neurological outcome or overall survival and is associated with increased rates of re-arrest. Electronic supplementary material The online version of this article (10.1186/s13054-018-1984-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Patrick J Lindsay
- Department of Internal Medicine, University of Toronto, Toronto, ON, Canada.
| | - Danielle Buell
- Department of Internal Medicine, University of Toronto, Toronto, ON, Canada
| | - Damon C Scales
- Department of Internal Medicine, University of Toronto, Toronto, ON, Canada.,Department of Critical Care Medicine, Sunnybrook Health Sciences Centre, Toronto, ON, Canada.,Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada
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Abstract
The prognosis after out-of-hospital cardiac arrest (OHCA) has improved in the past few decades because of advances in interventions used outside and in hospital. About half of patients who have OHCA with initial ventricular tachycardia or ventricular fibrillation and who are admitted to hospital in coma after return of spontaneous circulation will survive to discharge with a reasonable neurological status. In this Series paper we discuss in-hospital management of patients with post-cardiac-arrest syndrome. In most patients, the most important in-hospital interventions other than routine intensive care are continuous active treatment (in non-comatose and comatose patients and including circulatory support in selected patients), cooling of core temperature to 32-36°C by targeted temperature management for at least 24 h, immediate coronary angiography with or without percutaneous coronary intervention, and delay of final prognosis until at least 72 h after OHCA. Prognosis should be based on clinical observations and multimodal testing, with focus on no residual sedation.
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Affiliation(s)
- Christian Hassager
- Department of Cardiology, Rigshospitalet, Copenhagen, Denmark; Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.
| | - Ken Nagao
- Cardiovascular Centre, Nihon University Hospital, Tokyo, Japan
| | - David Hildick-Smith
- Department of Cardiology, Sussex Cardiac Centre, Brighton and Sussex University Hospitals, Brighton and Hove, UK
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Contrôle cible de la température en réanimation (hors nouveau-nés). MEDECINE INTENSIVE REANIMATION 2018. [DOI: 10.3166/rea-2018-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Stanger D, Mihajlovic V, Singer J, Desai S, El-Sayegh R, Wong GC. Editor's Choice-Effects of targeted temperature management on mortality and neurological outcome: A systematic review and meta-analysis. EUROPEAN HEART JOURNAL-ACUTE CARDIOVASCULAR CARE 2017; 7:467-477. [PMID: 29172657 DOI: 10.1177/2048872617744353] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
AIMS The purpose of this study was to conduct a systematic review, and where applicable meta-analyses, examining the evidence underpinning the use of targeted temperature management following resuscitation from cardiac arrest. METHODS AND RESULTS Multiple databases were searched for publications between January 2000-February 2016. Nine Population, Intervention, Comparison, Outcome questions were developed and meta-analyses were performed when appropriate. Reviewers extracted study data and performed quality assessments using Grading of Recommendations, Assessment, Development and Evaluation methodology, the Cochrane Risk Bias Tool, and the National Institute of Health Study Quality Assessment Tool. The primary outcomes for each Population, Intervention, Comparison, Outcome question were mortality and poor neurological outcome. Overall, low quality evidence demonstrated that targeted temperature management at 32-36°C, compared to no targeted temperature management, decreased mortality (risk ratio 0.76, 95% confidence interval 0.61-0.92) and poor neurological outcome (risk ratio 0.73, 95% confidence interval 0.60-0.88) amongst adult survivors of out-of-hospital cardiac arrest with an initial shockable rhythm. Targeted temperature management use did not benefit survivors of in-hospital cardiac arrest nor out-of-hospital cardiac arrest survivors with a non-shockable rhythm. Moderate quality evidence demonstrated no benefit of pre-hospital targeted temperature management initiation. Low quality evidence showed no difference between endovascular versus surface cooling targeted temperature management systems, nor any benefit of adding feedback control to targeted temperature management systems. Low quality evidence suggested that targeted temperature management be maintained for 18-24 h. CONCLUSIONS Low quality evidence supports the in-hospital initiation and maintenance of targeted temperature management at 32-36°C amongst adult survivors of out-of-hospital cardiac arrest with an initial shockable rhythm for 18-24 h. The effects of targeted temperature management on other populations, the optimal rate and method of cooling and rewarming, and effects of fever require further study.
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Affiliation(s)
- Dylan Stanger
- 1 Department of Medicine, University of British Columbia, Canada
| | - Vesna Mihajlovic
- 1 Department of Medicine, University of British Columbia, Canada
| | - Joel Singer
- 2 School of Population and Public Health, University of British Columbia, Canada
| | - Sameer Desai
- 2 School of Population and Public Health, University of British Columbia, Canada
| | - Rami El-Sayegh
- 2 School of Population and Public Health, University of British Columbia, Canada
| | - Graham C Wong
- 3 Division of Cardiology, University of British Columbia, Canada
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Li H, Chen RK, Tang Y, Meurer W, Shih AJ. An experimental study and finite element modeling of head and neck cooling for brain hypothermia. J Therm Biol 2017; 71:99-111. [PMID: 29301706 DOI: 10.1016/j.jtherbio.2017.10.022] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 10/31/2017] [Accepted: 10/31/2017] [Indexed: 11/28/2022]
Abstract
Reducing brain temperature by head and neck cooling is likely to be the protective treatment for humans when subjects to sudden cardiac arrest. This study develops the experimental validation model and finite element modeling (FEM) to study the head and neck cooling separately, which can induce therapeutic hypothermia focused on the brain. Anatomically accurate geometries based on CT images of the skull and carotid artery are utilized to find the 3D geometry for FEM to analyze the temperature distributions and 3D-printing to build the physical model for experiment. The results show that FEM predicted and experimentally measured temperatures have good agreement, which can be used to predict the temporal and spatial temperature distributions of the tissue and blood during the head and neck cooling process. Effects of boundary condition, perfusion, blood flow rate, and size of cooling area are studied. For head cooling, the cooling penetration depth is greatly depending on the blood perfusion in the brain. In the normal blood flow condition, the neck internal carotid artery temperature is decreased only by about 0.13°C after 60min of hypothermia. In an ischemic (low blood flow rate) condition, such temperature can be decreased by about 1.0°C. In conclusion, decreasing the blood perfusion and metabolic reduction factor could be more beneficial to cool the core zone. The results also suggest that more SBC researches should be explored, such as the optimization of simulation and experimental models, and to perform the experiment on human subjects.
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Affiliation(s)
- Hui Li
- Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA; Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China; Electronic Paper Display Institute, South China Normal University, Guangzhou 510006, China.
| | - Roland K Chen
- Mechanical and Materials Engineering, Washington State University, Pullman, WA 99164-2920, USA
| | - Yong Tang
- Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510640, China
| | - William Meurer
- Department of Emergency Medicine, Department of Neurology, Michigan Center for Integrative Research in Critical Care, University of Michigan Health System, Ann Arbor, MI 48109-5303, USA
| | - Albert J Shih
- Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109, USA
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41
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Postreanimationsbehandlung. Notf Rett Med 2017. [DOI: 10.1007/s10049-017-0331-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Soar J, Nolan J, Böttiger B, Perkins G, Lott C, Carli P, Pellis T, Sandroni C, Skrifvars M, Smith G, Sunde K, Deakin C. Erweiterte Reanimationsmaßnahmen für Erwachsene („adult advanced life support“). Notf Rett Med 2017. [DOI: 10.1007/s10049-017-0330-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Targeted temperature management in the ICU: Guidelines from a French expert panel. Anaesth Crit Care Pain Med 2017; 37:481-491. [PMID: 28688998 DOI: 10.1016/j.accpm.2017.06.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Over the recent period, the use of induced hypothermia has gained an increasing interest for critically ill patients, in particular in brain-injured patients. The term "targeted temperature management" (TTM) has now emerged as the most appropriate when referring to interventions used to reach and maintain a specific level temperature for each individual. TTM may be used to prevent fever, to maintain normothermia, or to lower core temperature. This treatment is widely used in intensive care units, mostly as a primary neuroprotective method. Indications are, however, associated with variable levels of evidence based on inhomogeneous or even contradictory literature. Our aim was to conduct a systematic analysis of the published data in order to provide guidelines. We present herein recommendations for the use of TTM in adult and paediatric critically ill patients developed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) method. These guidelines were conducted by a group of experts from the French Intensive Care Society (Société de réanimation de langue française [SRLF]) and the French Society of Anesthesia and Intensive Care Medicine (Société francaise d'anesthésie réanimation [SFAR]) with the participation of the French Emergency Medicine Association (Société française de médecine d'urgence [SFMU]), the French Group for Pediatric Intensive Care and Emergencies (Groupe francophone de réanimation et urgences pédiatriques [GFRUP]), the French National Association of Neuro-Anesthesiology and Critical Care (Association nationale de neuro-anesthésie réanimation française [ANARLF]), and the French Neurovascular Society (Société française neurovasculaire [SFNV]). Fifteen experts and two coordinators agreed to consider questions concerning TTM and its practical implementation in five clinical situations: cardiac arrest, traumatic brain injury, stroke, other brain injuries, and shock. This resulted in 30 recommendations: 3 recommendations were strong (Grade 1), 13 were weak (Grade 2), and 14 were experts' opinions. After two rounds of rating and various amendments, a strong agreement from voting participants was obtained for all 30 (100%) recommendations, which are exposed in the present article.
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Abstract
Over the recent period, the use of induced hypothermia has gained an increasing interest for critically ill patients, in particular in brain-injured patients. The term “targeted temperature management” (TTM) has now emerged as the most appropriate when referring to interventions used to reach and maintain a specific level temperature for each individual. TTM may be used to prevent fever, to maintain normothermia, or to lower core temperature. This treatment is widely used in intensive care units, mostly as a primary neuroprotective method. Indications are, however, associated with variable levels of evidence based on inhomogeneous or even contradictory literature. Our aim was to conduct a systematic analysis of the published data in order to provide guidelines. We present herein recommendations for the use of TTM in adult and paediatric critically ill patients developed using the Grading of Recommendations Assessment, Development, and Evaluation (GRADE) method. These guidelines were conducted by a group of experts from the French Intensive Care Society (Société de Réanimation de Langue Française [SRLF]) and the French Society of Anesthesia and Intensive Care Medicine (Société Francaise d’Anesthésie Réanimation [SFAR]) with the participation of the French Emergency Medicine Association (Société Française de Médecine d’Urgence [SFMU]), the French Group for Pediatric Intensive Care and Emergencies (Groupe Francophone de Réanimation et Urgences Pédiatriques [GFRUP]), the French National Association of Neuro-Anesthesiology and Critical Care (Association Nationale de Neuro-Anesthésie Réanimation Française [ANARLF]), and the French Neurovascular Society (Société Française Neurovasculaire [SFNV]). Fifteen experts and two coordinators agreed to consider questions concerning TTM and its practical implementation in five clinical situations: cardiac arrest, traumatic brain injury, stroke, other brain injuries, and shock. This resulted in 30 recommendations: 3 recommendations were strong (Grade 1), 13 were weak (Grade 2), and 14 were experts’ opinions. After two rounds of rating and various amendments, a strong agreement from voting participants was obtained for all 30 (100%) recommendations, which are exposed in the present article.
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Geocadin RG, Wijdicks E, Armstrong MJ, Damian M, Mayer SA, Ornato JP, Rabinstein A, Suarez JI, Torbey MT, Dubinsky RM, Lazarou J. Practice guideline summary: Reducing brain injury following cardiopulmonary resuscitation: Report of the Guideline Development, Dissemination, and Implementation Subcommittee of the American Academy of Neurology. Neurology 2017; 88:2141-2149. [PMID: 28490655 DOI: 10.1212/wnl.0000000000003966] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 02/01/2017] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To assess the evidence and make evidence-based recommendations for acute interventions to reduce brain injury in adult patients who are comatose after successful cardiopulmonary resuscitation. METHODS Published literature from 1966 to August 29, 2016, was reviewed with evidence-based classification of relevant articles. RESULTS AND RECOMMENDATIONS For patients who are comatose in whom the initial cardiac rhythm is either pulseless ventricular tachycardia (VT) or ventricular fibrillation (VF) after out-of-hospital cardiac arrest (OHCA), therapeutic hypothermia (TH; 32-34°C for 24 hours) is highly likely to be effective in improving functional neurologic outcome and survival compared with non-TH and should be offered (Level A). For patients who are comatose in whom the initial cardiac rhythm is either VT/VF or asystole/pulseless electrical activity (PEA) after OHCA, targeted temperature management (36°C for 24 hours, followed by 8 hours of rewarming to 37°C, and temperature maintenance below 37.5°C until 72 hours) is likely as effective as TH and is an acceptable alternative (Level B). For patients who are comatose with an initial rhythm of PEA/asystole, TH possibly improves survival and functional neurologic outcome at discharge vs standard care and may be offered (Level C). Prehospital cooling as an adjunct to TH is highly likely to be ineffective in further improving neurologic outcome and survival and should not be offered (Level A). Other pharmacologic and nonpharmacologic strategies (applied with or without concomitant TH) are also reviewed.
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Affiliation(s)
- Romergryko G Geocadin
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Eelco Wijdicks
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Melissa J Armstrong
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Maxwell Damian
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Stephan A Mayer
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Joseph P Ornato
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Alejandro Rabinstein
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - José I Suarez
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Michel T Torbey
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Richard M Dubinsky
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
| | - Jason Lazarou
- From the Departments of Neurology, Anesthesiology-Critical Care Medicine, and Neurosurgery (R.G.G.), Johns Hopkins University School of Medicine, Baltimore, MD; Department of Neurology (E.W., A.R.), Mayo Clinic, Rochester, MN; Department of Neurology (M.J.A.), University of Florida-McKnight Brain Institute, Gainesville; Department of Neurology and Neurocritical Care Unit (M.D.), Cambridge University Hospitals; The Ipswich Hospital (M.D.), Cambridge, UK; Departments of Neurology and Neurosurgery (S.A.M.), Mount Sinai-Icahn School of Medicine, New York, NY; Departments of Emergency Medicine and Internal Medicine (Cardiology) (J.P.O.), Virginia Commonwealth University College of Medicine, Richmond; Department of Neurology (J.I.S.), Baylor College of Medicine, Houston, TX; Department of Neurology and Neurosurgery (M.T.T.), Ohio State University, Columbus; Department of Neurology (R.M.D.), Kansas University Medical Center, Kansas City; and Department of Neurology (J.L.), University of Toronto, Canada
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Understanding temperature goals after cardiac arrest. Intensive Care Med 2017; 44:940-943. [PMID: 28289814 DOI: 10.1007/s00134-017-4753-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2017] [Accepted: 02/27/2017] [Indexed: 02/02/2023]
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Wong GC, van Diepen S, Ainsworth C, Arora RC, Diodati JG, Liszkowski M, Love M, Overgaard C, Schnell G, Tanguay JF, Wells G, Le May M. Canadian Cardiovascular Society/Canadian Cardiovascular Critical Care Society/Canadian Association of Interventional Cardiology Position Statement on the Optimal Care of the Postarrest Patient. Can J Cardiol 2017; 33:1-16. [DOI: 10.1016/j.cjca.2016.10.021] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 10/18/2016] [Accepted: 10/19/2016] [Indexed: 02/07/2023] Open
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Abstract
The application of targeted temperature management has become common practice in the neurocritical care setting. It is important to recognize the pathophysiologic mechanisms by which temperature control impacts acute neurologic injury, as well as the clinical limitations to its application. Nonetheless, when utilizing temperature modulation, an organized approach is required in order to avoid complications and minimize side-effects. The most common clinically relevant complications are related to the impact of cooling on hemodynamics and electrolytes. In both instances, the rate of complications is often related to the depth and rate of cooling or rewarming. Shivering is the most common side-effect of hypothermia and is best managed by adequate monitoring and stepwise administration of medications specifically targeting the shivering response. Due to the impact cooling can have upon pharmacokinetics of commonly used sedatives and analgesics, there can be significant delays in the return of the neurologic examination. As a result, early prognostication posthypothermia should be avoided.
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Affiliation(s)
- N Badjatia
- Department of Neurology, University of Maryland School of Medicine, Baltimore, MD, USA.
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Sakurai A, Tagami R, Ihara S, Yamaguchi J, Sugita A, Sawada N, Komatsu T, Hori S, Kinoshita K. Development of new equipment for intra-arrest brain cooling that uses cooled oxygen in the lungs: volunteer study. Acute Med Surg 2016; 4:179-183. [PMID: 29123858 PMCID: PMC5667268 DOI: 10.1002/ams2.253] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2016] [Accepted: 09/11/2016] [Indexed: 11/06/2022] Open
Abstract
Aims Many experimental studies have reported that intra-arrest cooling during cardiac arrest is a promising treatment to mitigate brain injury. However, there is no clinically established method for cooling the brain during cardiac arrest. We hypothesized that, as blood flow in the lungs must be very slow during cardiopulmonary resuscitation, the blood could be cooled by ventilating the lungs with cooled oxygen like a radiator, and that this cooled blood would in turn cool the brain. The aim of this study was to develop equipment to cool oxygen for this purpose and to confirm its safety on a group of volunteers. Methods We developed new equipment that cools oxygen by running it through a vinyl chloride coil submerged in a bottle of water and frozen at -80°C. Using this equipment, seven volunteers were given oxygen by mask, and their blood pressure, heart rate, and peripheral saturation of oxygen were measured. The temperature in the mask was also measured. Results This equipment was able to decrease the temperature in the mask to -5°C at the Jackson Rees circuit for an oxygen flow of 10 L/min. Among the volunteer group, vital signs were unchanged and the temperature in the mask decreased from 30.1 ± 2.6°C (mean ± standard deviation) to 15.9 ± 9.6°C. No adverse effects were observed in the volunteers after experimentation. Conclusion We successfully developed new equipment to cool oxygen and established its safety in a volunteer study.
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Affiliation(s)
- Atsushi Sakurai
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Rumi Tagami
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Shingo Ihara
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Junko Yamaguchi
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Atsunori Sugita
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Nami Sawada
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Tomohide Komatsu
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Satoshi Hori
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
| | - Kosaku Kinoshita
- Division of Emergency and Critical Care Medicine Department of Acute Medicine Nihon University School of Medicine Tokyo Japan
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Schock RB, Janata A, Peacock WF, Deal NS, Kalra S, Sterz F. Time to Cooling Is Associated with Resuscitation Outcomes. Ther Hypothermia Temp Manag 2016; 6:208-217. [PMID: 27906641 PMCID: PMC5144870 DOI: 10.1089/ther.2016.0026] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Our purpose was to analyze evidence related to timing of cooling from studies of targeted temperature management (TTM) after return of spontaneous circulation (ROSC) after cardiac arrest and to recommend directions for future therapy optimization. We conducted a preliminary review of studies of both animals and patients treated with post-ROSC TTM and hypothesized that a more rapid cooling strategy in the absence of volume-adding cold infusions would provide improved outcomes in comparison with slower cooling. We defined rapid cooling as the achievement of 34°C within 3.5 hours of ROSC without the use of volume-adding cold infusions, with a ≥3.0°C/hour rate of cooling. Using the PubMed database and a previously published systematic review, we identified clinical studies published from 2002 through 2014 related to TTM. Analysis included studies with time from collapse to ROSC of 20–30 minutes, reporting of time from ROSC to target temperature and rate of patients in ventricular tachycardia or ventricular fibrillation, and hypothermia maintained for 20–24 hours. The use of cardiopulmonary bypass as a cooling method was an exclusion criterion for this analysis. We compared all rapid cooling studies with all slower cooling studies of ≥100 patients. Eleven studies were initially identified for analysis, comprising 4091 patients. Two additional studies totaling 609 patients were added based on availability of unpublished data, bringing the total to 13 studies of 4700 patients. Outcomes for patients, dichotomized into faster and slower cooling approaches, were determined using weighted linear regression using IBM SPSS Statistics software. Rapid cooling without volume-adding cold infusions yielded a higher rate of good neurological recovery than slower cooling methods. Attainment of a temperature below 34°C within 3.5 hours of ROSC and using a cooling rate of more than 3°C/hour appear to be beneficial.
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Affiliation(s)
- Robert B Schock
- 1 Sid Wolvek Research Center , Life Recovery Systems HD, LLC, Kinnelon, New Jersey
| | - Andreas Janata
- 2 Universitätsklinik für Notfallmedizin, Medizinische Universität Wien , Wien, Austria
| | - W Frank Peacock
- 3 Emergency Medicine, Ben Taub General Hospital , Houston, Texas
| | - Nathan S Deal
- 3 Emergency Medicine, Ben Taub General Hospital , Houston, Texas
| | | | - Fritz Sterz
- 2 Universitätsklinik für Notfallmedizin, Medizinische Universität Wien , Wien, Austria
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