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Updated: Jan 1, 2026
Esophageal Heat Transfer for Patient Temperature Control and Targeted Temperature Management
Published on: November 21, 2017
Comparing Forced-Air to Resistive-Polymer Warming for Perioperative Temperature Management: A Retrospective Study
Brian L Lupo1, Shawn B Collins2, Ian Hewer3
1Advocate Aurora Health, Sheboygan, WI.
Purpose:
Compare perioperative temperature management between forced-air warming (FAW) and resistive-polymer heating blankets (RHBs).
Design:
A retrospective, quasi-experimental study.
Methods:
Retrospective data analysis of nonspine orthopedic cases (N = 426) over a one-year period including FAW (n = 119) and RHBs (n = 307).
Findings:
FAW was associated with a significantly higher final intraoperative temperature (P = .001, d = 0.46) than the RHB. The incidence of hypothermia was not found to be significantly different at the end (P = .102) or anytime throughout surgery (P = .270). Of all patients who started hypothermic, the FAW group had a lower incidence of hypothermia at the end of surgery (P = .023).
Conclusions:
FAW was associated with higher final temperatures and a greater number of normothermic patients than RHBs. However, no causal relationship between a warming device and hypothermia incidence should be assumed.
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