Erythema persists longer than one year in split-thickness skin graft donor sites.
2013
145% (p < 0.0005) and pigmentation 24% (p < 0.001) higher in the wounds compared with adjacent uninjured skin. The corresponding values at 3 months were 48% (p = 0.015), 89% (p < 0.0005) and 15% (p < 0.0005). After 12 months, erythema was elevated by 36% (p < 0.0005), while TEWL (p = 0.246) and pigmentation (p = 0.211) had returned to same levels as in the surrounding normal skin. Diabetes mellitus (p = 0.024) and smoking (p = 0.017) were associated with increased TEWL of normal skin, and erythema decreased with age (r s = –0.53, p = 0.020). In conclusion, erythema appears to be the significant component contributing to long-term postoperative donor site appearance. We hypothesize that this is due to in
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