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Previous studies have shown the efficacy of delgocitinib (DEL) ointment, a topical Janus kinase inhibitor, against atopic dermatitis (AD). However, there is no available information regarding the efficacy of DEL ointment in maintaining remission. Data of patients with AD who received remission maintenance therapy twice weekly with DEL or topical corticosteroid (TCS) on the affected skin of each upper limb were extracted from the medical records. Efficacy was assessed based on changes in pruritus numerical rating scale (NRS) score, stratum corneum hydration (SCH), erythema index (EI). Of 25 patients, four patients (16%) had eczema flare-ups on the TCS side and eight patients (32%) on the DEL side. The extent of change in each parameter between TCS- and DEL-treated areas of the skin did not differ significantly. The mean changes in the NRS and EI showed a slight improvement on the side treated with TCS and were slightly worse on the side treated with DEL. However, the SCH of the DEL group was maintained, while that of the TCS group worsened. TCS is more likely to be effective than DEL in terms of remission maintenance therapy. However, topical DEL is as effective as topical steroid in the maintenance therapy of AD in dry skin patients., (© 2022 Wiley Periodicals LLC.)

Meshed skin grafting is a common technique in operations to minimize surgery on the donor site area. However, the donor site area is empirically determined by surgeons due to the lack of a reliable formula to calculate the donor area required to cover a skin defect. To determine the minimal size for donor skin, the expansion rates of 1.5:1, 3:1, and 6:1 meshed skin graft and the area actually covered by them were investigated in real-world operations. About 51 patients who received 57 operations with meshed skin grafts were enrolled in this study. The average clinical coverage rates of area in cases in which 1.5:1, 3:1, or 6:1 meshed skin grafting was performed were 1.02, 1.29, or 2.18, respectively. Those rates were notably low when recipient sites were concave. The average expansion rates of 1.5:1, 3:1, and 6:1 meshed skin grafts were about 1.16, 1.61, and 2.32, respectively. These results indicate that the size of donor skin should be about 85%, 60%, and 45% size of the recipient site to achieve the target 1.5:1, 3:1, and 6:1 meshed skin graft, respectively. In addition, the donor area should be adjusted in consideration of the shape of the recipient sites., (© 2020 Wiley Periodicals LLC.)