Preventing hypothermia: comparison of current devices used by the US Army in an in vitro warmed fluid model

The Journal of Trauma
Paul AllenLorne H Blackbourne

Abstract

The purpose of this study was to develop an in vitro torso model constructed with fluid bags and to determine whether this model could be used to differentiate between the heat prevention performance of devices with active chemical or radiant forced-air heating systems compared with passive heat loss prevention devices. We tested three active (Hypothermia Prevention Management Kit [HPMK], Ready-Heat, and Bair Hugger) and five passive (wool, space blankets, Blizzard blankets, human remains pouch, and Hot Pocket) hypothermia prevention products. Active warming devices included products with chemically or electrically heated systems. Both groups were tested on a fluid model warmed to 37 degrees C versus a control with no warming device. Core temperatures were recorded every 5 minutes for 120 minutes in total. Products that prevent heat loss with an actively heated element performed better than most passive prevention methods. The original HPMK achieved and maintained significantly higher temperatures than all other methods and the controls at 120 minutes (p < 0.05). None of the devices with an actively heated element achieved the sustained 44 degrees C that could damage human tissue if left in place for 6 hours. The best passive m...Continue Reading

Associated Clinical Trials

References

Jul 12, 2003·The Journal of Trauma·Jana B A MacLeodMary Murtha
May 12, 2004·American Journal of Surgery·Alec C Beekley, David M Watts
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Citations

Oct 25, 2011·Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine·Peter LundgrenUlf Björnstig
Feb 28, 2015·Military Medical Research·Hui-Shan Wang, Jin-Song Han
Aug 3, 2012·Revista española de anestesiología y reanimación·R Navarro SuayJ M Jiménez Vizuete
Feb 10, 2012·Journal of Veterinary Emergency and Critical Care·Vivian ChiangMatthew S Mellema
Dec 3, 2014·Medicina intensiva·M Chico-FernándezC C Mudarra-Reche
Feb 4, 2016·Emergency Medicine Journal : EMJ·Michele ZasaTim Harris
Aug 5, 2010·The Journal of Trauma·Michael NesbittLorne Blackbourne
Mar 3, 2012·Journal of Surgical Orthopaedic Advances·Romney C AndersenJames R Ficke
Mar 29, 2019·Critical Care : the Official Journal of the Critical Care Forum·Donat R SpahnRolf Rossaint
Dec 21, 2019·The American Journal of Emergency Medicine·Andrew D FisherSteven G Schauer

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