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A Systematic Evaluation of the Effect of Temperature on Coagulation Enzyme Activity and Platelet Function

The Journal of Trauma: Injury, Infection, and Critical Care · 2004 · Vol. 56(6) · pp. 1221–1228
Alisa S. WolbergZhi Hong MengDougald M. MonroeMaureane Hoffman

Abstract

Our results suggest that bleeding observed at mildly reduced temperatures (33 degrees - 37 degrees C) results primarily from a platelet adhesion defect, and not reduced enzyme activity or platelet activation. However, at temperatures below 33 degrees C, both reduced platelet function and enzyme activity likely contribute to the coagulopathy.

Thermal Regulation in MedicineCardiac Arrest and ResuscitationTrauma, Hemostasis, Coagulopathy, ResuscitationPlateletFibrinolysisPlatelet activationCoagulopathyCoagulationPartial thromboplastin timeMedicineInternal medicineHypothermiaEnzyme

MeSH terms

AdultBlood CoagulationHumansHypothermiaMiddle AgedPartial Thromboplastin TimePlatelet AdhesivenessPlatelet AggregationTemperatureThrombinFactor Xa
Citations
525
FWCI
16.93
field-weighted impact
References
42
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99%
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Hyperfibrinolysis After Major Trauma: Differential Diagnosis of Lysis Patterns and Prognostic Value of Thrombelastometry
The Journal of Trauma: Injury, Infection, and Critical Care · 2009 · 396 citations
The Coagulopathy of Trauma: A Review of Mechanisms
The Journal of Trauma: Injury, Infection, and Critical Care · 2008 · 937 citations
References
Hypothermia in Trauma Victims
The Journal of Trauma: Injury, Infection, and Critical Care · 1987 · 680 citations
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