The purpose of this study is to determine if placement of a forced-air warming device prior to institution of regional anesthesia improves perioperative temperature control in patients undergoing total hip arthroplasty.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Enrollment
100
Bair-Paws device to be applied to patient and used for perioperative (including preoperative) warming.
Bair-Hugger device to be applied to patient and used for intraoperative warming (current standard of care at our institution).
University of Wisconsin School of Medicine and Public Health
Madison, Wisconsin, United States
Patient Temperature at the Time of Incision as Measured by SpotOn (3M) Temperature Monitoring System..
Temporal artery temperature readings (in degrees celsius) will be obtained at the time of incision and every 30 minutes while in the OR.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Patient Temperature Prior to Entering OR as Measured by SpotOn (3M) Temperature Monitoring System.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Patient Temperature 30 Minutes Following Incision as Measured by SpotOn (3M) Temperature Monitoring System.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Patient Temperature on Arrival to Recovery Room as Measured by SpotOn (3M) Temperature Monitoring System.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Incidence of Postoperative Shivering in Recovery Room.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Intraoperative Blood Loss.
Intraoperative blood loss in mL's.
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Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Incidence of Perioperative Cardiac Events.
Incidence of perioperative arrhythmias or myocardial ischemia.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).
Temporal Artery Verus SpotOn (3M) Temperature Readings.
Temperature with temporal artery thermometer and SpotOn temperature monitoring device (3M) at time of incision.
Time frame: The treatment period starts with the patient consenting to the study and application of preoperative forced-air warming device and ends when the patient leaves the PACU (average 4-8 hours following enrollment).