2011
DOI: 10.1590/s0102-86502011000200010
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Effect of low level laser on sutured wound healing in rats

Abstract: Purpose:To evaluate the effect of low-level laser therapy (LLLT) ë904 nm on healing of surgical wounds in rats. Methods: Forty male Wistar rats were used, divided into four groups, underwent incision along the lines Alba covering skin, subcutaneous and muscle abdominal, sutured continuously for nylon 5-0. Eight and fifteen days after the surgery process, the repairing area was removed and histological sections were stained with hematoxylin-eosin to assess cellularity inflammatory, Masson´s Trichrome and Picros… Show more

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Cited by 49 publications
(41 citation statements)
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“…In this study, the result of an increased content of collagen in the wounds of irradiated animals are consistent with findings from previous studies 1,5,7,13 indicating the positive effect of laser on fibroplasia.…”
Section: Discussionsupporting
confidence: 93%
See 1 more Smart Citation
“…In this study, the result of an increased content of collagen in the wounds of irradiated animals are consistent with findings from previous studies 1,5,7,13 indicating the positive effect of laser on fibroplasia.…”
Section: Discussionsupporting
confidence: 93%
“…Effects of low intensity laser on healing have been developed, checking analgesic, antiinflammatory and healing [3][4][5] , although many studies don't show the specific type of laser used, refer only to such as laser 600nm 5 . The laser aluminumgallium-indium-phosphorus (InGaAlP) has been widely used in LBI because of their power output of 30mW, which can reduce the stimulation of the irradiated site compared with other lasers such as helium-neon (He-Ne) and gallium arsenide (GaAs) 6 .…”
Section: Introductionmentioning
confidence: 99%
“…Several studies can be found in the literature regarding the laser's clinical efficacy in healing process (Melo et al, 2011). The therapeutic effects of laser irradiation in healing process are dependent on the anti-inflammatory activity, epithelium cells proliferation stimulation, fibroblast proliferation and collagen fibers synthesis increase (Posten et al, 2005), moreover, the collagen fiber production is more organized (Medrado et al, 2008).…”
Section: Discussionmentioning
confidence: 99%
“…Estudos prévios apontam para a eficiência da terapia a laser na aceleração do processo de reepitelização, relacionando-a à redução da atividade inflamatória e ao aumento da síntese de colágeno 2,3,17,18 . Os efeitos biológicos do laser de baixa potência têm sua função baseada em um processo fotobiológico, que consiste na absorção molecular de energia luminosa, depositada e se transforma em energia vital, produzindo, então, efeitos primários, como estimulação de linfóci-tos, ativação de mastócitos e aumento na produção de adenosina trifosfato (ATP) mitocondrial e terapêuticos gerais, os quais promovem ações de natureza analgésica, anti-inflamatória e cicatrizante 3,7,[19][20][21] . Não foi observada uniformidade entre os estudos quanto aos valores dos parâmetros utilizados.…”
Section: Discussionunclassified