Study of adult patients with severe all-cause trauma having a body temperature less than 36°Celsius (C) that is managed by a Mobile Emergency Service team and oriented towards a Vital Emergency Room. Currently two devices are used to warm patients during their care at the scene of an accident: a survival blanket and heating in the emergency vehicle. Despite these two devices many patients arrive in hypothermia (body temperature less than 36°C) in emergency departments. The objective of this study is to evaluate the effectiveness of a body warmer associated with standard warming devices on the correction of hypothermia compared to the standard procedure in severely traumatized patients with hypothermia . It is a national multicentric study with 14 participating Mobile Emergency Service centers and hopefully will include 612 patients. The study will be carried out according to a pattern of 28 successive periods of one week each during the winter period (October to April), for a total duration of 7 months. 14 action periods ON (warming standard procedure + body warmer) and 14 control periods OFF (warming standard procedure) will be run in random order for each center.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
134
The body warmer will be wrapped in a waterproof treatment field to avoid the risk of burns, 2 body warmer will be applied on the inguinal crease and 2 on the subclavicular fossa.
Warming only according to the standard procedure : survival blanket and heating in the emergency vehicle.
SAMU 69 - SMUR - Hôpital Edouard Herriot
Lyon, France
Proportion of patients with a temperature > 36°C when the patient arrived in the Vital Emergency
Body temperature will be measured in trans-tympanic when the patient arrived in the Vital Emergency Room.
Time frame: 4 hours
Change in body temperature between initial treatment by the Mobile Emergency Service team and arrival at Vital Emergency Room.
Body temperature will be measured in trans-tympanic every 15 minutes between initial treatment by the pre-hospital medical team and arrival at emergency room.
Time frame: 4 hours
Proportion of patients with coagulopathy on arrival at the emergency room.
Coagulopathy refers to disorders of blood coagulation whether they are pathological thrombosis or haemorrhagic syndromes. The coagulopathy criteria appear early and their measurements are systematically carried on admission to the emergency room.
Time frame: 4 hours
Proportion of patients with acidosis on arrival at the emergency room.
Acidosis is a disorder of the acid-base balance of the body corresponding to an increase in the concentration of acid in plasma and interstitial fluids. It can be metabolic or respiratory. In the case of a state of shock, lactic acid occurs in situations where the tissues of the body are poorly irrigated and lack oxygen.
Time frame: 4 hours
Evaluation of mortality
Proportion of deaths at one month (72h after admission to emergency room).
Time frame: 72 hours
Evaluation of mortality (deaths before admission )
Proportion of deaths before admission to emergency room.
Time frame: 72 hours
Evaluation of mortality (cardio respiratory arrest)
Proportion of cardio respiratory arrest before admission to emergency room.
Time frame: 72 hours
Loss of heat due to a drop of temperature
Time frame: 4 hours
First degree burn
Time frame: 4 hours
Patient feels cold
Time frame: 4 hours
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