不同清洁方式对激光换肤后胶原蛋白和弹性蛋白状况的影响

M. Trelles, I. Allones, J. Rigau, S. Mordon
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引用次数: 3

摘要

背景:激光表面修复术目前广泛用于面部皱纹、光老化和痤疮疤痕的治疗,通常与每次激光处理后清除治疗区域碎屑的比较方法相结合。目的:本研究旨在评估两种不同的方法(湿纱布或湿大尖棉签),以阐明它们对愈合过程的影响,如果有的话。随机选择10例采用相同激光系统行眼周、口周表面置换的患者,每次激光通过后用湿纱布(G组)和对侧用大尖棉签(C组)清洗左、右耳前区域。表面置换后观察耳前区域水肿和红斑,并于治疗后第14、30、45、60和90天积极清洗后立即由同一经验丰富的观察者评分。结果:G组患者最初水肿稍明显,但在纱布清洁组织中红斑更强烈,持续时间更长。在第90天对这些部位进行活组织检查,并将样本送去进行盲法组织学评估,以评估胶原蛋白和弹性蛋白纤维压实的程度。组织学结果表明,G组组织在90天后胶原蛋白和弹性蛋白纤维的压实效果优于c组。结论:提示纱布的磨擦作用增加了co2激光表面修复后已有的刺激性炎症反应,增强了组织中胶原蛋白和纤维的压实反应。因此,在进行激光表面修复时,用湿纱布进行相对积极的清洁可能比其他方法更可取。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Effects of skin cleaning modes on the condition of collagen and elastin after laser resurfacing
BACKGROUND : Laser resurfacing is now widely used for the treatment of facial wrinkles, photoaging and acne scars and is usually combined with comparatively methods of cleaning detritus off the treated area after each laser pass. OBJECTIVE : This study aims to evaluate two different methods (damp gauze or damp large-tip cotton buds) in order to elucidate their influence on the healing process, if any. The left or right preauricular area, chosen at random on 10 patients undergoing periocular and perioral resurfacing with the same laser system, was cleaned after each laser pass with damp gauze (Group G) and the contralateral side with the large-tip cotton buds (Group C). Post-resurfacing oedema and erythema were observed in the preauricular areas and rated by the same experienced observer immediately after treatment and aggressive cleaning at 14, 30, 45, 60 and 90 days. RESULTS : Oedema was slightly more noticeable initially in Group G patients, but the erythema was more intense and lasted longer in the gauze-cleaned tissue. The sites were biopsied at 90 days and the samples sent for blinded histological evaluation to assess the degree of collagen and elastin fibre compaction. The histology demonstrated that the tissue from Group G achieved, at 90 days, better compaction of collagen and elastin fibres than that from Group C. CONCLUSIONS : It is suggested that the abrasive action caused by the gauze adds to the existing stimulative inflammatory reaction following CO 2 laser resurfacing, which augments the collagen and fibre compaction response in the tissue. Comparatively aggressive cleaning with damp gauze may therefore be preferable to other methods when performing laser resurfacing.
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