Analysis of the healing process of the wounds occurring in rats using lasertherapy in association with hydrocolloid

PURPOSE: To evaluate wound healing in rats by using low-level laser therapy (LLLT) associated with hydrocolloid occlusive dressing . METHODS: Forty male, adult, Wistar rats were used, distributed into four groups: LG (received 2 J/cm² of laser therapy); HG (treated with hydrocolloid); LHG (treated w...

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Published in:Acta cirúrgica brasileira 2015-10, Vol.30 (10), p.681-685
Main Authors: Martins, Shirley Santos, Torres, Orlando Jorge Martins, Santos, Orlando José dos, Limeira Júnior, Francisco de Assis, Sauaia Filho, Euler Nicolau, Melo, Syomara Pereira da Costa, Santos, Rayan Haquim Pinheiro, Silva, Vivian Brito
Format: Article
Language:English
Subjects:
Laser Therapy
Low-Level
Rats
Wound Healing
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Summary:PURPOSE: To evaluate wound healing in rats by using low-level laser therapy (LLLT) associated with hydrocolloid occlusive dressing . METHODS: Forty male, adult, Wistar rats were used, distributed into four groups: LG (received 2 J/cm² of laser therapy); HG (treated with hydrocolloid); LHG (treated with 2 J/cm² of laser therapy and hydrocolloid); and the CG (treated with 1 mL of 0.9% saline). The wound was evaluated at pre-determined periods 3rd and 7th days, considering the macroscopic and histological parameters (inflammatory cells, capillary neoformation, fibroblasts, collagen formation and reepithelialization). RESULTS: The LG group at seven days showed increased collagen formation, the LHG group at 3 days showed mild collagen formation. The HG group and the CG at 7 days showed complete reepithelialization. CONCLUSION: Low-level laser therapy as well as the hydrocolloid dressing have favored the wound-healing process in rats.
ISSN:0102-8650
0102-8650
DOI:10.1590/S0102-865020150100000005