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Uso do Laser ALGaInP na cicatrização de lesões cutâneas experimentais em coelhos / Use of ALGaInP Laser in the Wound Healing of Experimental Cutaneous Lesions in Rabbits

Beheregaray, Wanessa Krüger; Gianotti, Giordano Cabral; Leal, Juliano de Souza; Monteiro, Fabiola de Moraes; Simas, Silvana Mello; Elizeire, Mariane; Contesini, Emerson Antonio.
Acta sci. vet. (Online); 38(3): 237-243, 2010.
Artigo em Português | VETINDEX | ID: vti-5091


Background: Animals with extensive cutaneous lesions remain hospitalized for long periods. In addition to increasing treatment costs, this also causes stress in these animals. Low-power laser is widely used to support tissue repair processes. Its use in the treatment of cutaneous wounds has been studied, as it reduces the wound healing period and the consequences caused by the lesion. The study aimed to evaluat the wound healing process of experimental cutaneous wounds in rabbits with the use of laser therapy. Materials, Methods & Results: Ten healthy New Zealand rabbits were used in the study, which were divided in two groups (n=5). Skin biopsies were carried out on day 16 in Group 1 and on day 8 in Group 2. The animals were under general anesthesia for the experimental cutaneous lesion to be carried out. Two 1 cm2 wounds were made on the back of each animal. The lesions were measured by a pachymeter in the immediate postoperative period, then covered with sterile gauze and maintained with rubber bandages. The animals were treated only with Tramadon 3 mg.kg-1 twice a day, during 3 days. Only the lesions on the right side of the animals were irradiated regularly, on each side of the wound, at a distance of 0.5 cm from the margin. The equipment used was a 660 nm wavelength AlGaInP laser diode (Laserpulse, Ibramed), pulsed at a frequency of 20 Hz, at a dose of 3 J and stimulation time of 12 s. The left-side lesions represented the control and the treatment administered to them consisted only of a cleanse using a NaCl solution at 0.9% once a day. The measurement of the lesion area was made every two days with a pachymeter, and the macroscopic characteristics were noted on a control card. For the histological evaluation of the wound healing process, biopsy specimens were taken from the right and left lesions on the sixteenth day in G1 and on the eighth day in G2, by means of a 6mm punch.(...)(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1