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Self-warming vs forced-air warming blanket during total knee arthroplasty under spinal anaesthesia

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Ace Report Cover
September 2025

Self-warming vs forced-air warming blanket during total knee arthroplasty under spinal anaesthesia

Vol: 307| Issue: 9| Number:32| ISSN#: 2564-2537
Study Type:Therapy
OE Level Evidence:1
Journal Level of Evidence:1

Self-warming blanket versus forced-air warming blanket during total knee arthroplasty under spinal anaesthesia: A randomised non-inferiority trial.

Acta Anaesthesiol Scand . 2023 Sep;67(8):1102-1109.

Contributing Authors:
SL Lauronen J Kalliovalkama A Aho MT Makinen H Huhtala AM Yli-Hankala ML Kalliomaki

Synopsis

One hundred fifty patients undergoing elective unilateral TKA under spinal anesthesia were randomized to a self-warming blanket (SW; n=75) or an upper-body forced-air warming blanket (FAW; n=75). Patients were pre-warmed for 30 min; intra-operatively the assigned blanket was used (FAW at 38 °C), with rescue FAW at 43 °C if core temperature fell <36.0 °C (NICE threshold). The primary outcome was co...

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