Observational study reveals distinct thermal variations in postoperative skin lesions, suggesting infrared thermography differentiates blanching erythema from early stage 1 pressure injuries.
Postoperative blanching erythema and Stage 1 pressure injuries exhibit either warmer or cooler skin temperatures compared to adjacent normal skin. Compared to blanching erythema, Stage 1 pressure injuries are more likely to present with hypothermic areas or demonstrate more pronounced relative temperature increases in the affected regions.
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Xu et al. (2025) studied this question.
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