评估与烧伤相关的捐赠者部位痕 Ablative Fractional CO2激光的经验教训
Cameron S D'Orio1, Bonnie C Carney1,2,3, Jasmine H Wong4
1Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, District of Columbia, USA.
概括
与标准护理相比, Ablative Fractional CO2激光 (FLSR) 并没有显著改善与标准护理相比,在分割厚度皮肤移植供体部位的高变性痕 (HTS) 结果. 捐赠地点可能不适合用于烧伤痕HTS随机对照试验的控制.
科学领域:
- 皮肤病学和再生医学
- 烧伤伤害和痕管理
- 激光治疗在皮肤病学中的应用.
背景情况:
- 过度缩性痕 (HTS) 是烧伤的常见后果,通常需要分厚皮肤移植 (STSG),导致在移植部位和供体部位出现症状痕.
- 废弃的分数激光复表面处理 (FLSR) 用于HTS治疗,但许多研究缺乏足够的控制部位和详细的组织层面分析.
- 为研究目的不向患者提供FLSR的伦理考虑使得对HTS的随机对照试验 (RCT) 的设计变得复杂.
研究的目的:
- 通过在受控试验中随机选择这些地点来评估FLSR在STSG供体部位 (DS) 治疗缩性痕的疗效.
- 为了比较FLSR治疗与DS痕的标准护理 (SOC),评估各种生理和临床参数.
- 为了确定STSG捐赠站点是否适合替代烧伤痕 (BS) HTS在评估FLSR的RCT设计中.
主要方法:
- 20名患有STSG供体部位痕的患者接受了6次FLSR治疗. 捐赠地点被随机分配,接受FLSR加SOC或单独SOC.
- 治疗前和连续评估包括皮肤间的水分流失 (TEWL),黑色素指数 (MI),弹性,红斑,表皮厚度,网比 (RRR) 和乳头皮肤细胞性.
- 痕严重程度使用患者和观察者痕评估量表 (POSAS),温哥华痕量表 (VSS) 和机构痕比较量表 (SCS) 进行评估.
主要成果:
- 在治疗前,捐赠部位 (DS) 和烧伤痕 (BS) 与正常皮肤 (NS) 相比呈现出多颜色. 与NS相比,BS显示弹性降低,TEWL增加.
- 与NS相比,DS皮肤显示细胞性增加,RRR减少,表皮厚度增加. 患者和观察者都认为BS的严重程度高于DS的痕.
- 随着时间的推移,在TEWL,弹性,红血,MI,细胞性,RRR,表皮厚度,POSAS,VSS或SCS得分方面,在FLSR治疗的DS和对照DS之间没有发现显著差异. 在所有痕类型中,患者感知到的改善 (SCS降低) 被注意到.
结论:
- 虽然NS和DS的皮肤有生理上的差异,但它们并不像BS和NS之间的皮肤那样明显. 与SOC相比,FLSR似乎没有改变DS痕的成熟率.
- 该研究表明,由于不同的病理生理特征,STSG供体可能不是RCT中烧伤痕HTS的适当替代品.
- 未来的研究应该调查捐赠者部位的细胞外矩阵形态和转录组学,以及烧伤痕愈合,以更好地了解激光治疗效果.
相关概念视频
Burn Injuries
2.4K
Burn injuries occur when the skin and underlying tissues are damaged due to exposure to heat, electricity, chemicals, radiation, or friction. They can vary in severity, from minor superficial burns to severe deep burns that can be life-threatening.
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
The damage results in the death of skin cells, which can lead to a massive loss of fluid. Dehydration, electrolyte imbalance, and renal and circulatory failure follow, which can be fatal. Burn patients are treated with intravenous fluids to offset...
2.4K
Clinical Applications of Epidermal Stem Cells
2.7K
Epidermal stem cells (EpiSCs) are mainly located at the basal layer of the epidermis. These cells repair minor injuries of the skin and replace dead skin cells. However, EpiSCs’ cannot heal severe wounds such as major burns or those from diabetes or hereditary disorders. In such cases, culturing the epidermal stem cells from the patient is possible and has yielded successful treatment options, such as laboratory-grown skin grafts. These grafts are synthesized using a patient’s own...
2.7K


