• Tao Ai, Jianbai Wang, and Yanan Xu.
• Department of Traumatology, Chongqing Emergency Medical Center/Chongqing University Central Hospital, Chongqing, China.
• Medicine (Baltimore). 2023 Dec 1; 102 (48): e36305e36305.

AbstractReconstruction of scalp defects is a complicated and challenging procedure for reconstructive surgeons. This retrospective observational study assessed the effectiveness of using platelet-rich gel (PRG) versus the external tissue expansion technique (TET) in reconstructing scalp defects. The clinical data of 24 patients with scalp defects treated with PRG or external TET were collected from September 2018 to March 2022. Data on the wound characteristics, wound healing time, cost of treatment, visual analog scale, and observed wound healing status were collected. The mean wound healing times in the PRG and TET groups were 25.00 ± 5.77 and 13.58 ± 9.68 days, respectively (P < .05). The PRG group was significantly more cost-effective than the TET group (P < .05). TET treatment significantly increased patients' postoperative pain, which decreased over time (P < .05), while PRG treatment caused no significant change in pain (P > .05). The 2 groups showed no tissue depression or color change after wound healing at follow-up, but the hair growth in the TET group was significantly better than that in the PRG group (P < .05). Compared with TET treatment of scalp defects, PRG is not only simple and painless but also has a low treatment cost and, more importantly, does not involve the risk of surgery and anesthesia. However, using TET to treat scalp defects requires the careful selection of appropriate cases.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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