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"Low doses of laser were found to stimulate the regeneration not only of mechanically induced wounds but also of burns. The wound-healing stimulated by ...
Study
"Helium-neon laser radiation had a statistically significant stimulating effect on collagen synthesis in the wound, with a maximum effect at an energy density of ...
"HeNe laser irradiation of wounds increases certain aspects of healing in the early stages, but not to such a degree as to be clinically ...
"Low energy helium neon laser has been suggested as an effective adjuvant in the healing of open wounds. To date, supportive studies have been ...
"Laser treatment resulted in reduction of the amount of collagen below that in burn scarred or normal skin, suggesting that classical scar formation may ...
"Despite our intentions of studying the mechanism of low energy HeNe biostimulation, we were unable to demonstrate a beneficial effect."
"Lesions 1 and 2 were illuminated using Nd:YLF pulsed laser radiation. Lesion 1 was irradiated with linear polarization parallel with the rat spinal column. ...
"There were no significant differences in wound contraction or epithelialisation between the laser treated and the control wounds. It was therefore concluded that laser ...
"The effects were dependent with the doses and laser wavelengths used. In this experiment, the optimum stimulative dose was 20 J/cm2 and the Argon ...
"We found no difference in the rate of healing of any of these wounds and, under these experimental conditions, found no effect on the ...
"The mean time required for complete closure in control group was 7 days while irradiated test wounds took only 5 days to heal (P ...
"Treatment at 700 Hz increased wound contraction in comparison with treatment at 1200 Hz, when all other controllable parameters were kept constant. By 11 ...
"The results of this study were as follows:
(1) The rate of wound closure was significantly increased in LLL irradiation group.
(2) The incidence ...
"The durations of healing were 18.5 ± 0.5 days for group A; 19 ± 0.7 days for group B; 23 ± 0.7 days for ...
"Significant improvement in wound healing histology and wound closure were found following treatment with 4 J/cm(2) (16 mW, 250-sec treatments for 4 consecutive days; ...
"Dose was also shown to have influence on the outcome of the treatment as on both cases, the use of 20 J/cm2 resulted on ...
"Results from this investigation demonstrated that treatment with 0.5, 1.5. and 4 J/cm(2) had no beneficial effect on the rate of wound closure (P ...
"The LLLT affects various aspects of the healing process, including minimizing inflammation, formation of edema, improvement of skin regeneration and enhancement of collagen synthesis."
"The epidermis in LLLT groups more closely resembled the normal epidermis, and collagen fibres were denser, thicker and better arranged in LLLT than in ...
"The treated animals presented a larger expression of collagen and elastic fibers, although without statistical significance (p > 0.05). Treatment with a dosage of ...
"The results showed that laser treatment, at an energy density of 0.23 and 1.37 J/cm2, significantly augmented the change in wound size, wound closure ...
"[L]aser irradiation at 632.8 nm and 904 nm alone or in combination increased tensile strength during wound healing and may have released tissue factors ...
"The results indicated that type I and type III mRNA levels were markedly increased at days 17 and 28 of the healing in wounds ...
"Neither the clinical nor the microscopical examination of the wound healing process revealed any differences between group A1, A2, B1 and B2, during the ...
"These results suggest that 780 nm LPDLI irradiation promotes wound healing, presumably by enhancing proliferation of fibroblasts and keratinocytes."
"Low-power laser irradiation at 830 nm significantly enhances cutaneous wound tensile strength in a murine diabetic model. Further investigation of the mechanism of LLLT ...
"The animals of groups LG, PS, LPS, and LPSG presented higher collagen content and enhanced re-epithelialization as compared to CG (control) and GB rats."
"These data indicate that LLLT is an effective modality to facilitate wound contraction of partial-thickness wounds."
"Results demonstrated a considerable improvement in the tensile strength of the laser-irradiated wounds at 1 and 2 weeks. Furthermore, the total collagen content was ...
"Cellular proliferation was not affected by irradiation three times a day for 3 days. There was no effect on cellular migration or on the ...
"No significant difference was observed between the four groups by macroscopic examination. The area of skin defect of the treated groups was significantly smaller ...
"No difference was observed concerning bleeding time, nor as to the formation and loss of crust. None of the wounds showed signs of infection ...
"The 100-Hz frequency had a better effect than other pulse frequencies used in the study. The effects of treatment using CW laser was higher ...
"A comparison of the He-Ne and He-Cd laser therapy in this study revealed from 1.57 and 7.84% difference of wound healing acceleration. The acceleration ...
"The posthealing histoarchitectural view of irradiated specimens, particularly in Groups A and B, suggests that low level laser therapy has a beneficial influence on ...
"These findings provide little evidence of the putative stimulatory effects of monochromatic light irradiation in vivo, but, rather, reveal the potential for an inhibitory ...
"In animal models, the rate of wound closure was significantly accelerated by repeated exposures."
"The TGF-beta1 and MMP-2 content of the medium of cultured cells ...
"Group IV (lambda 830 nm and lambda 685 nm, 20 J/cm(2)) presented better results at the end of the experimental period. It is concluded ...
"After comparing the healing process between two groups of patients, we obtained the following results: wound healing was significantly accelerated (25%-35%) in the group ...
"Treatment with a dosage of 4 J/cm(2) was superior to that with 8 J/cm(2)."
"Laser therapy reduced the inflammatory reaction, induced increased collagen deposition and ...
"Appreciable difference of wound healing could not be detected between the non-polarized light irradiation group and the non-irradiated group. However, in those with the ...
"The mean +/- SD of time required for complete closure in control group was 14.1 +/- 0.86 days (range 12-15 day) while irradiated test ...