Accuracy of the Drager Dual-sensor Temperature Measurement System

Accuracy of the Draeger Dual-sensor Temperature Measurement System in The Perioperative Period

Our primary hypothesis is that the Draeger dual-sensor temperature monitoring system, used at the forehead, is sufficiently accurate compared to tympanic, bladder or esophageal temperature and oral temperature for routine clinical use during hypothermic conditions, as well as during fever.

We will include patients undergoing general anesthesia or regional anesthesia. The temperature recorded by Draeger dual-sensor monitoring system will be obtained at 5-minute interval.

Inclusion Criteria:

• Patients undergoing trauma surgery with general anesthesia
• Patients undergoing orthopedic surgery with regional anesthesia

Exclusion Criteria:

• Younger than 18 or older than 80 years of age
• Have a pre-existing nasogastric tube
• Require bispectral index monitoring
• Upper esophageal disease
• Forehead rash or infection
• Oral infection or trauma
• Ear infection or drainage