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Prognostic thresholds of outcome predictors in severe accidental hypothermia

K. Mendrala, T. Darocha, T. Brožek, S. Kosiński, M. Balik, E. Cools, B. Walpoth, E. Nowak, W. Dąbrowski, B. Miazgowski, K. Reszka, A. Rutkiewicz, G. Debaty, N. Segond, M. Dudek, S. Górski, P. Podsiadło

. 2025 ; 20 (4) : 1177-1184. [pub] 20240912

Jazyk angličtina Země Itálie

Typ dokumentu časopisecké články, multicentrická studie

Perzistentní odkaz   https://www.medvik.cz/link/bmc25015599

Hemodynamically unstable patients with severe hypothermia and preserved circulation should be transported to dedicated extracorporeal life support (ECLS) centers, but not all are eligible for extracorporeal therapy. In this group of patients, the outcome of rewarming may sometimes be unfavorable. It is, therefore, crucial to identify potential risk factors for death. Furthermore, it is unclear what criterion for hemodynamic stability should be adopted for patients with severe hypothermia. The aim of this study is to identify pre-rewarming predictors of death and their threshold values in hypothermic patients with core temperature ≤ 28 °C and preserved circulation, who were treated without extracorporeal rewarming. We conducted a multicenter retrospective study involving patients in accidental hypothermia with core temperature 28 °C or lower, and preserved spontaneous circulation on rewarming initiation. The data were collected from the International Hypothermia Registry, HELP Registry, and additional hospital data. The primary outcome was survival to hospital discharge. We conducted a multivariable logistic regression and receiver operating characteristic curve (ROC) analysis. In the multivariate analysis of laboratory tests and vital signs, systolic blood pressure (SBP) adjusted for cooling circumstances and base excess (BE) were identified as the best predictor of death (OR 0.974 95% CI 0.952-0.996), AUC ROC 0.79 (0.70-0.88). The clinically relevant cutoff for SBP was identified at 90 mmHg with a sensitivity of 0.74 (0.54-0.89) and a specificity of 0.70 (0.60-0.79). The increased risk of death among hypothermic patients with preserved circulation occurs among those with an SBP below 90 mmHg and in those who developed hypothermia in their homes.

Citace poskytuje Crossref.org

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$a Hemodynamically unstable patients with severe hypothermia and preserved circulation should be transported to dedicated extracorporeal life support (ECLS) centers, but not all are eligible for extracorporeal therapy. In this group of patients, the outcome of rewarming may sometimes be unfavorable. It is, therefore, crucial to identify potential risk factors for death. Furthermore, it is unclear what criterion for hemodynamic stability should be adopted for patients with severe hypothermia. The aim of this study is to identify pre-rewarming predictors of death and their threshold values in hypothermic patients with core temperature ≤ 28 °C and preserved circulation, who were treated without extracorporeal rewarming. We conducted a multicenter retrospective study involving patients in accidental hypothermia with core temperature 28 °C or lower, and preserved spontaneous circulation on rewarming initiation. The data were collected from the International Hypothermia Registry, HELP Registry, and additional hospital data. The primary outcome was survival to hospital discharge. We conducted a multivariable logistic regression and receiver operating characteristic curve (ROC) analysis. In the multivariate analysis of laboratory tests and vital signs, systolic blood pressure (SBP) adjusted for cooling circumstances and base excess (BE) were identified as the best predictor of death (OR 0.974 95% CI 0.952-0.996), AUC ROC 0.79 (0.70-0.88). The clinically relevant cutoff for SBP was identified at 90 mmHg with a sensitivity of 0.74 (0.54-0.89) and a specificity of 0.70 (0.60-0.79). The increased risk of death among hypothermic patients with preserved circulation occurs among those with an SBP below 90 mmHg and in those who developed hypothermia in their homes.
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$a Darocha, Tomasz $u Department of Anaesthesiology and Intensive Care, Medical University of Silesia, Katowice, Poland
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$a Brožek, Tomáš $u Department of Anaesthesiology and Intensive Care, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
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$a Kosiński, Sylweriusz $u Department of Intensive Interdisciplinary Therapy, Jagiellonian University Collegium Medicum, Krakow, Poland
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$a Balik, Martin $u Department of Anaesthesiology and Intensive Care, 1st Faculty of Medicine, Charles University and General University Hospital, Prague, Czech Republic
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$a Cools, Evelien $u Department of Acute Medicine, Division of Anaesthesiology, University Hospitals, Geneva, Switzerland
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$a Walpoth, Beat $u Emeritus. Department of Cardiovascular Surgery, University Hospitals of Geneva, Geneva, Switzerland
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$a Nowak, Ewelina $u Institute of Health Sciences, Jan Kochanowski University, Kielce, Poland
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$a Dąbrowski, Wojciech $u Department of Anaesthesiology and Intensive Care, Medical University of Lublin, Lublin, Poland
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$a Miazgowski, Bartosz $u Emergency Department, University Hospital, Pomeranian Medical University, Szczecin, Poland
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$a Reszka, Kacper $u Department of Anaesthesiology and Intensive Care, University Hospital, Łódź, Poland
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$a Rutkiewicz, Aleksander $u Department of Anaesthesiology and Intensive Care, Cieszyn, Poland
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$a Debaty, Guillaume $u Univ. Grenoble Alpes, CNRS, UMR 5525, VetAgro Sup, Grenoble INP, CHU Grenoble Alpes, TIMC, 38000, Grenoble, France
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$a Segond, Nicolas $u Univ. Grenoble Alpes, CNRS, UMR 5525, VetAgro Sup, Grenoble INP, CHU Grenoble Alpes, TIMC, 38000, Grenoble, France
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$a Dudek, Michał $u Department of Emergency Medicine, Faculty of Health Sciences, University of Bielsko, Biała, Poland
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$a Górski, Stanisław $u Department of Medical Education, Jagiellonian University Medical College, Kraków, Poland
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$a Podsiadło, Paweł $u Department of Emergency Medicine, Jan Kochanowski University, Kielce, Poland
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