Die Wirkung des Soft- und Middlepower-Lasers auf die Wundheilung bei Ratten - The Effect of Soft- and Middlepower-Laser on the Healing of Wounds in Rats

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Abstract
Since the beginning of the seventies, it has been claimed but not proven that soft- and/or middle-powerlasers have a positive effect on the healing of wounds. We have conducted a controlled test on the effect of soft- and middlepowerlasers on the healing of wounds in rats. At a defined spot on the body, ten rats received an identical skin incision which was then sewn using standard surgical technique. Five of the rat wounds were given post-operative laser treatment, the other five were not. All the rats were not. All the rats were photographed on the same days. The photographs were shown to impartial medical students and doctors who then rated the woundhealing from 1 = very good to 5 = very poor. With an average rating of 2.39 (s = 0.17), the woundhealing in laser-treated rats was judged to be significantly better than that in non-laser treated rats (average rating 3.49 [s = 0.12])(t-test: p < 0.05). These results demonstrate that in all probability the combined soft-/middlepowerlaser treatment significantly promotes woundhealing in rats with a skin incision. The results of this orientation pilot study will now be further investigated in several series of experiments on the effect of soft- and middlepowerlasers on the healing of wounds.

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