Core Body Temperature Measurement During Hot and Cold Environmental Exposure

I

Institute of Mountain Emergency Medicine

Status

Completed

Conditions

Body Temperature
Hypothermia

Treatments

Other: Exposure to cold environmental temperature (-20°C)

Study type

Interventional

Funder types

Other

Identifiers

NCT01793337
V/31/10

Details and patient eligibility

About

Accurate measurement of core body temperature at the scene of an accident is critical for both diagnosis and treatment/triage decisions for hypothermic patients. Measurement in the lower third of the oesophagus is considered the gold standard of CT reading, but invasive and hardly applicable with a conscious patient. Tympanic membrane sensors for CT reading have been widely tested by may be unreliable in extreme environmental temperatures. Similarly, the Double Sensor device is a non-invasive device and is promising for prehospital use but has not been sufficiently verified under very cold and hot environmental conditions. Furthermore, comparisons of different non-invasive methods with oesophageal measurement in extreme conditions are lacking. The objective of these studies is to compare different techniques of core body temperature measurement with exposure to cold and hot environments.

Enrollment

32 patients

Sex

All

Ages

18+ years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • >18 years old
  • ASA class 1

Exclusion criteria

  • <18 years old
  • American society of anesthesiologists class >1
  • history of ear, nose, throat surgery
  • congenital malformation of head/throat/ear/nose
  • absence of informed consent

Trial design

Primary purpose

Diagnostic

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

None (Open label)

32 participants in 2 patient groups

Cold first
Other group
Description:
temperature is measured in cold (-20°C) environment first, and warm (23°C) environment afterwards
Treatment:
Other: Exposure to cold environmental temperature (-20°C)
Warm first
Other group
Description:
temperature is measured in warm (23°C) environment first, and cold (-20°C) environment afterwards
Treatment:
Other: Exposure to cold environmental temperature (-20°C)

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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