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Prevention of hypothermia in children under combined epidural and general anesthesia: a comparison between upper‐ and lower‐body warming

Background:  Children receiving combined epidural and general anesthesia may be at greater risk of hypothermia. Active warming should be undertaken to combat heat loss. With combined epidural and general anesthesia heat loss from the lower body may be greater than from the upper body because of shift of blood towards the vasodilated lower body. We assumed that application of the warming blanket to the lower body might provide better protection against hypothermia. To test this hypothesis, lower‐body warming (LBW) was compared with upper‐body warming (UBW) in a randomized comparative study.