Matthias Weuster1, Alexander Brück, Sebastian Lippross, Leif Menzdorf, Stefanie Fitschen-Oestern, Peter Behrendt, Timo Iden, Jan Höcker, Rolf Lefering, Andreas Seekamp, Tim Klüter. 1. From the Department of Trauma Surgery, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany (M.W., A.B., S.L., L.M., S.F.-O., P.B., A.S., T.K.); Institute for Research in Operative Medicine (IFOM), University Witten/Herdecke, Cologne, Germany (R.L.); Committee on Emergency Medicine (TraumaRegister DGU), Cologne, Germany, Intensive Care and Trauma Management of the German Trauma Society (Sektion NIS), Berlin, Germany; and Department of Anesthesiology, University Hospital Schleswig-Holstein, Campus Kiel, Kiel, Germany (T.I., J.H.).
Abstract
BACKGROUND: Accidental hypothermia (AH) endangers the patient after polytrauma. Past studies have emphasized this entity as a major risk factor. The aim of this study was to describe the epidemiology of AH in major trauma considering the preclinical and clinical course. Predictors should be elucidated. METHODS: This is a retrospective investigation from the TraumaRegister DGU. Patients were documented in the period between 2002 and 2012. The study compared multiple-injured patients with or without hypothermic temperatures. Different groups of body core temperature were analyzed. Preclinical and clinical parameters were documented. RESULTS: Fifteen thousand two hundred thirty patients could be included. In 5,078 patients, temperature was below 36.0°C. Blunt trauma mechanisms surpassed penetrating injuries. The majority of patients sustained car accidents, accidents involving pedestrians, and falls from heights of greater than 3 m. Preclinical rescue procedures were extensively long in patients with low body temperature. Female gender, Glasgow Coma Scale score of 8 or less, nighttime, winter, motorcycle/bicycle accidents, Injury Severity Score 9 or greater, shock on site and in the emergency room, preclinical volume therapy, and time until admission to emergency room are significant risk factors to develop AH of 33°C. Volume management ranged between 1,453 ± 1,051 mL (33°C) and 1,058 ± 768 mL (36°C). Treatment in emergency room was extensively long. In further clinical course, severe AH advanced the clinical development of sepsis and multiple organ failure. The overall mortality inclined with decreasing body temperatures. CONCLUSIONS: Accidental hypothermia regularly occurred in polytrauma patients. Certain predictors exist, that is, female gender, which facilitate a body core temperature of 33°C. Preclinical and clinical courses match with other polytrauma studies. High incidence rates of sepsis, multiple organ failure, and mortality in hypothermic patients (33°C) demonstrate the severity of injury. Unfortunately, documentation of body core temperature remains challenging as the number of recorded hypothermic patients appears to be too small. We favor a strict focus on body core temperature on arrival in the emergency room. LEVEL OF EVIDENCE: Prognostic and epidemiological study, level III.
BACKGROUND:Accidental hypothermia (AH) endangers the patient after polytrauma. Past studies have emphasized this entity as a major risk factor. The aim of this study was to describe the epidemiology of AH in major trauma considering the preclinical and clinical course. Predictors should be elucidated. METHODS: This is a retrospective investigation from the TraumaRegister DGU. Patients were documented in the period between 2002 and 2012. The study compared multiple-injured patients with or without hypothermic temperatures. Different groups of body core temperature were analyzed. Preclinical and clinical parameters were documented. RESULTS: Fifteen thousand two hundred thirty patients could be included. In 5,078 patients, temperature was below 36.0°C. Blunt trauma mechanisms surpassed penetrating injuries. The majority of patients sustained car accidents, accidents involving pedestrians, and falls from heights of greater than 3 m. Preclinical rescue procedures were extensively long in patients with low body temperature. Female gender, Glasgow Coma Scale score of 8 or less, nighttime, winter, motorcycle/bicycle accidents, Injury Severity Score 9 or greater, shock on site and in the emergency room, preclinical volume therapy, and time until admission to emergency room are significant risk factors to develop AH of 33°C. Volume management ranged between 1,453 ± 1,051 mL (33°C) and 1,058 ± 768 mL (36°C). Treatment in emergency room was extensively long. In further clinical course, severe AH advanced the clinical development of sepsis and multiple organ failure. The overall mortality inclined with decreasing body temperatures. CONCLUSIONS:Accidental hypothermia regularly occurred in polytraumapatients. Certain predictors exist, that is, female gender, which facilitate a body core temperature of 33°C. Preclinical and clinical courses match with other polytrauma studies. High incidence rates of sepsis, multiple organ failure, and mortality in hypothermicpatients (33°C) demonstrate the severity of injury. Unfortunately, documentation of body core temperature remains challenging as the number of recorded hypothermicpatients appears to be too small. We favor a strict focus on body core temperature on arrival in the emergency room. LEVEL OF EVIDENCE: Prognostic and epidemiological study, level III.
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