Efficacy of low-level laser therapy on scar tissue

被引:17
|
作者
Freitas, Carla P. [1 ]
Melo, Cristina [1 ]
Alexandrino, Ana M. [1 ]
Noites, Andreia [1 ]
机构
[1] Oporto Polytech Inst, Sch Allied Hlth Sci ESTSP, Dept Physiotherapy, P-4400330 Vila Nova De Gaia, Portugal
关键词
low-level laser therapy; skin scars; physiotherapy; wound healing; VENOUS LEG ULCERS; BURN SCAR; MANAGEMENT; BLIND; LIGHT; PAIN;
D O I
10.3109/14764172.2013.769272
中图分类号
R75 [皮肤病学与性病学];
学科分类号
100206 ;
摘要
Background: Physiotherapy has a very important role in the maintenance of the integumentary system integrity. There is very few evidence in humans. Nevertheless, there are some studies about tissue regeneration using low-level laser therapy (LLLT). Aim: To analyze the effectiveness of LLLT on scar tissue. Methods: Seventeen volunteers were stratified by age of their scars, and then randomly assigned to an experimental group (EG) - n = 9 - and a placebo group (PG) - n = 8. Fifteen sessions were conducted to both the groups thrice a week. However, in the PG, the laser device was switched off. Scars' thickness, length, width, macroscopic aspect, pain threshold, pain perception, and itching were measured. Results: After 5 weeks, there were no statistically significant differences in any variable between both the groups. However, analyzing independently each group, EG showed a significant improvement in macroscopic aspect (p = 0.003) using LLLT. Taking into account the scars' age, LLLT showed a tendency to decrease older scars' thickness in EG. Conclusion: The intervention with LLLT appears to have a positive effect on the macroscopic scars' appearance, and on old scars' thickness, in the studied sample. However, it cannot be said for sure that LLLT has influence on scar tissue.
引用
收藏
页码:171 / 176
页数:6
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