Rethinking Mild Therapeutic Hypothermia After Out-of-Hospital Cardiac Arrest: Dead End or Missed Opportunity? An Expert Viewpoint
30 affiliations
- 1Collegium Medicum, Nicolaus Copernicus University, 85-094 Bydgoszcz, Poland
- 2Staszic Specialist Hospital in Piła, 64-920 Piła, Poland
- 3Institute of Medical Science, The John Paul II Catholic University of Lublin, 20-037 Lublin, Poland
- 4Department of Emergency Medical Service, Faculty of Medicine, Silesian Academy in Katowice, 40-752 Katowice, Poland
- 5Department of Emergency Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland
- 6Department of Cardiology, Medical University of Bialystok, 15-276 Bialystok, Poland
- 7Modern Medical Technologies Center, 87-100 Toruń, Poland
- 8Gajda-Med District Hospital, 06-100 Pułtusk, Poland
- 9First Department of Cardiology, Medical University of Gdansk, 80-210 Gdansk, Poland
- 10Department of Cardiology and Electrotherapy, Faculty of Medical Sciences in Zabrze, Medical University of Silesia Katowice, 41-800 Zabrze, Poland
- 11Institute for Heart Diseases, Wroclaw Medical University, 50-556 Wrocław, Poland
- 12Department and Clinic of Cardiology, University of Medical Sciences, 61-848 Poznań, Poland
- 13Third Department of Cardiology, Faculty of Medical Sciences in Zabrze, Silesian Center for Heart Diseases, Medical University of Silesia in Katowice, 41-800 Zabrze, Poland
- 14Department of Pediatric Cardiac Surgery, University Children’s Hospital, Jagiellonian University Medical College, 30-663 Kraków, Poland
- 15National Institute of Cardiology, 04-628 Warszawa, Poland
- 16International Cardiovascular Center MC Medicor, 6310 Izola, Slovenia
- 17Department of Cardiology, Third Faculty of Medicine Charles University, 100 00 Prague, Czech Republic
- 18University Hospital Královské Vinohrady, 100 34 Prague, Czech Republic
- 19Sinai Center for Thrombosis Research and Drug Development, Sinai Hospital of Baltimore and Lifebridge Health System, Baltimore, MD 21215, USA
- 20CAU Thrombosis and Biomarker Center, Chung-Ang University Gwangmyeong Hospital, Seoul 14353, Republic of Korea
- 21Gwangmyeong and Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul 06973, Republic of Korea
- 22National Heart and Lung Institute, Imperial College, London W12 0NN, UK
- 23Centre for Health Services Research, University of Hertfordshire, Hatfield AL10 9AB, UK
- 24Teaching-Therapeutical Hospital, Azerbaijan Medical University, AZ 1022 Baku, Azerbaijan
- 25GREAT Heath Science Network, 00136 Rome, Italy
- 26Clinic of Cardiovascular Diseases, Faculty of Medicine, Institute of Clinical Medicine, Vilnius University, LT-08661 Vilnius, Lithuania
- 27Department of Clinical Research and Epidemiology, Comprehensive Heart Failure Center, University Hospital Würzburg, 97080 Würzburg, Germany
- 28Department of Internal Medicine I, University Hospital Würzburg, 97080 Würzburg, Germany
- 29Department of Life and Health Sciences, Link Campus University, 00165 Rome, Italy
- 30American Heart of Poland, 64-920 Piła, Poland
Abstract
Out-of-hospital cardiac arrest remains associated with high mortality and neurological disability. Mild therapeutic hypothermia has been questioned after large trials failed to demonstrate superiority over controlled normothermia with fever prevention. In this expert viewpoint, we argue that these neutral findings should not be interpreted as proof of biological futility in every patient and setting. The clinical effect of hypothermia may depend on patient phenotype, timing of initiation, cooling technique, temperature-control quality, and integration with contemporary post-resuscitation care. This may be particularly important in patients undergoing percutaneous coronary intervention, in whom hypothermia can impair the pharmacokinetics and antiplatelet effects of oral P2Y12 inhibitors. Current evidence does not support routine hypothermia in all comatose survivors. However, uncertainty remains regarding its value in selected patients. Patients with an intermediate degree of ischemic brain injury may represent a plausible target for neuroprotection, but this remains an unproven hypothesis. Future trials should investigate whether injury severity modifies the effects of early, precisely delivered hypothermia, using standardized protocols, active normothermia as the comparator, and prespecified antithrombotic and post-resuscitation strategies.
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BibTeX
@article{uminska2026rethinking,
title = {{Rethinking Mild Therapeutic Hypothermia After Out-of-Hospital Cardiac Arrest: Dead End or Missed Opportunity? An Expert Viewpoint}},
author = {Julia M. Umińska and Jakub Ratajczak and Piotr Niezgoda and Przemysław Żuratyński and Dawid Mielczarek and Łukasz Pawłowski and Maciej Chudaś and Przemysław Jasiewicz and Łukasz Szarpak and Klaudiusz Nadolny and Jerzy Robert Ładny and Agnieszka Tycińska and Aldona Kubica and Robert Gajda and Miłosz Jaguszewski and Beata Średniawa and Wiktor Kuliczkowski and Maciej Lesiak and Przemysław Trzeciak and Mariusz Gąsior and Tomasz Mroczek and Janina Stępińska and Marko Noč and Zuzana Motovska and Udaya Tantry and Young-Hoon Jeong and Paul A. Gurbel and Diana A. Gorog and Rahima Gabulova and Salvatore Di Somma and Jolita Badariene and Stefan Frantz and Stefan Störk and Eliano P. Navarese and Jacek Kubica},
journal = {Journal of Clinical Medicine},
year = {2026},
month = nov,
doi = {10.3390/jcm15218676},
url = {https://www.mdpi.com/2077-0383/15/21/8676},
note = {CC BY 4.0},
}
RIS
TY - JOUR
TI - Rethinking Mild Therapeutic Hypothermia After Out-of-Hospital Cardiac Arrest: Dead End or Missed Opportunity? An Expert Viewpoint
AU - Julia M. Umińska
AU - Jakub Ratajczak
AU - Piotr Niezgoda
AU - Przemysław Żuratyński
AU - Dawid Mielczarek
AU - Łukasz Pawłowski
AU - Maciej Chudaś
AU - Przemysław Jasiewicz
AU - Łukasz Szarpak
AU - Klaudiusz Nadolny
AU - Jerzy Robert Ładny
AU - Agnieszka Tycińska
AU - Aldona Kubica
AU - Robert Gajda
AU - Miłosz Jaguszewski
AU - Beata Średniawa
AU - Wiktor Kuliczkowski
AU - Maciej Lesiak
AU - Przemysław Trzeciak
AU - Mariusz Gąsior
AU - Tomasz Mroczek
AU - Janina Stępińska
AU - Marko Noč
AU - Zuzana Motovska
AU - Udaya Tantry
AU - Young-Hoon Jeong
AU - Paul A. Gurbel
AU - Diana A. Gorog
AU - Rahima Gabulova
AU - Salvatore Di Somma
AU - Jolita Badariene
AU - Stefan Frantz
AU - Stefan Störk
AU - Eliano P. Navarese
AU - Jacek Kubica
PY - 2026
DA - 2026/11/06
JO - Journal of Clinical Medicine
DO - 10.3390/jcm15218676
UR - https://www.mdpi.com/2077-0383/15/21/8676
AB - Out-of-hospital cardiac arrest remains associated with high mortality and neurological disability. Mild therapeutic hypothermia has been questioned after large trials failed to demonstrate superiority over controlled normothermia with fever prevention. In this expert viewpoint, we argue that these neutral findings should not be interpreted as proof of biological futility in every patient and setting. The clinical effect of hypothermia may depend on patient phenotype, timing of initiation, cooling technique, temperature-control quality, and integration with contemporary post-resuscitation care. This may be particularly important in patients undergoing percutaneous coronary intervention, in whom hypothermia can impair the pharmacokinetics and antiplatelet effects of oral P2Y12 inhibitors. Current evidence does not support routine hypothermia in all comatose survivors. However, uncertainty remains regarding its value in selected patients. Patients with an intermediate degree of ischemic brain injury may represent a plausible target for neuroprotection, but this remains an unproven hypothesis. Future trials should investigate whether injury severity modifies the effects of early, precisely delivered hypothermia, using standardized protocols, active normothermia as the comparator, and prespecified antithrombotic and post-resuscitation strategies.
SN - 2077-0383
ER -