CO2点阵激光治疗创伤性瘢痕的临床效果

目的 评估CO2点阵激光治疗创伤性瘢痕的临床效果。方法 选择2022年1月-2023年6月在安徽医 科大学第一附属医院皮肤科激光美容中心接受治疗的60例创伤后瘢痕患者为研究对象，根据瘢痕类型分 为凹陷性瘢痕组与增生性瘢痕组，每组30例，两组均予以CO2点阵激光治疗，比较两组瘢痕状态、临床疗 效、医生视觉评分（IVA）及不良反应发生情况。结果 两组治疗2、4次后VSS评分均低于治疗前，且凹 陷性瘢痕组低于增生性瘢痕组（P ＜0.05）；凹陷性瘢痕组治疗总有效率为83.33%，高于增生性瘢痕组的 40.00%（P ＜0.05）；凹陷性瘢痕组治疗2、4次后IVA评分均高于增生性瘢痕组（P ＜0.05）；凹陷性瘢痕组 不良反应发生率为13.33%，低于增生性瘢痕组的36.67%（P ＜0.05）。结论 CO2点阵激光治疗创伤性瘢痕 的疗效确切，且CO2点阵激光治疗凹陷性瘢痕较增生性瘢痕疗效更佳，症状改善更明确，且安全性较高。

Clinical Effect of CO2 Fractional Laser in the Treatment of Traumatic Scar

Objective To evaluate the clinical effect of CO2 fractional laser in the treatment of traumatic scar. Methods From January 2022 to June 2023, 60 patients with post-traumatic scar who were treated in the Laser Cosmetic Center of the Department of Dermatology, the First Affiliated Hospital of Anhui Medical University were selected as the research objects. According to the type of scar, they were divided into the depressed scar group and the hypertrophic scar group, with 30 patients in each group. Both groups were treated with CO2 fractional laser. The scar status, clinical efficacy, doctor''s visual score (IVA) and adverse reactions were compared between the two groups. Results The VSS score of the two groups after 2 and 4 times of treatment was lower than that before treatment, and the VSS score of the depressed scar group was lower than that of the hypertrophic scar group (P <0.05). The total effective rate of treatment in the depressed scar group was 83.33%, which was higher than 40.00% in the hypertrophic scar group (P <0.05). The IVA score of the depressed scar group was higher than that of the hypertrophic scar group after 2 and 4 times of treatment (P <0.05). The incidence of adverse reactions in the depressed scar group was 13.33%, which was lower than 36.67% in the hypertrophic scar group (P <0.05). Conclusion CO2 fractional laser is effective in the treatment of traumatic scar, and is more effective in the treatment of depressed scar than hypertrophic scar, the symptoms are improved more clearly and the safety is higher.