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thérapie au laser


How laser light helps cells repair themselves CAN gentle doses of laser light help cells to heal?

How laser light helps cells repair themselves CAN gentle doses of laser light help cells to heal?” THE NEW SCIENTIST, October 11-15, 2003   How laser light helps cells repair themselves CAN gentle doses of laser light help cells to heal? The technique is sometimes used to treat problems such as tinnitus and joint pain, but with no explanation for how these therapies work, there is scepticism over whether the effect is real. Now a physicist has come up with evidence that the physical forces generated by low-energy laser beams may switch on cells’ repair mechanisms. This will support the growing body of evidence that laser therapy is beneficial. At the Joint International Laser Conference in Edinburgh, UK, last month, researchers reported promising results for fields as diverse as IVF and spinal injury. For example, rats with damaged spinal cords made a better recovery if their wound was illuminated with near-infrared laser light, reported Kimberly Byrnes of the Uniformed Services University of Health Sciences in Bethesda, Maryland. Her team found that in light- treated rats, levels of interleukin-6, which is involved in inflammation, were only 1 per cent of the levels in a control group of rats. But Byrnes does […]

Laser and Sports Medicine in Plastic and Reconstructive Surgery.

Junichiro Kubota M.D. Department of Plastic and Reconstructive Surgery, Kyorin University School of Medicine, Tokyo, Japan. Abstract from II Congress of the Internat. Assn for Laser and Sports Medicine, Rosario, Argentina, March 10-12, 2000   Flap survival with diode laser therapy: Skin flap or graft surgery are major procedures in plastic and reconstructive surgery. Skin flap necrosis has been a problem. The author reported on the enhanced blood flow following the low reactive laser therapy in skin flaps. The 830 nm diode laser (20 – 60 mw) irradiated flaps showed a greater perfusion, a greater number of blood vessels, and a higher rate of survival areas than the control flaps in the rat models and clinical cases. Improvement of wound healing with diode laser therapy: Diode laser therapy was indicated for traumatic skin ulcers from sport activities and traffic accidents which were resistant to conservative treatment. The diode laser system with a wavelength of 830 nm. and output power of 150or 1000mw in continuous wave was applied with the non-contact method to the area on the wound for one minute once a day every day during the treatment period. The diode laser was used successfully for the rapid enhanced healing […]

Lightwave of the Future

Lightwave of the Future The low-power laser for the treatment of carpal tunnel syndrome is safe, painless, and completely noninvasive.By John S. Soet REHAB MANAGEMENT; JANUARY/FEBRUARY 2005; PP. 24-30.   It was the late 1960s. The Beatles were still the rage, the Vietnam War was in full swing, and Star Wars was a decade away. Theodore Maiman, utilizing a technique of concentrating and amplifying monochromatic light originally developed by two teams of researchers, produced a device known as LASER, light amplification by stimulated emission of radiation. Immediately, the term “ray gun” came to mind. The development of weapons-grade lasers became a priority. Because the beam could be concentrated to cut a minute surface area, surgical applications were also developed. But while governments and researchers were concentrating on military applications, a Hungarian physician named Endre Mester suspected that the laser might have a more humane application—the destruction of malignant tumors. Malignancies were traditionally treated with the cut/burn/poison strategy—surgery, chemotherapy, and radiation. If, indeed, the new addition to the scientific arsenal could destroy carcinomas with a minimum of damage to surrounding tissue, it would be an incredible breakthrough in cancer treatment. However, Mester concluded his research with good news and bad news. […]

Efficacy of low power laser therapy in fibromyalgia: a single-blind, placebo-controlled trial

Gur A, Karakoc M, Nas K, Cevik R, Sarac J, Demir E. Physical Medicine and Rehabilitation, School of Medicine, Dicle University, Diyarbakir, Turkey, TR Lasers in Medical Science (2002) 17(1):57-61.   Low energy lasers are widely used to treat a variety of musculoskeletal conditions including fibromyalgia, despite the lack of scientific evidence to support its efficacy. A randomized, single-blind, placebo-controlled study was conducted to evaluate the efficacy of low-energy laser therapy in 40 female patients with fibromyalgia. Patients with fibromyalgia were randomly allocated to active (GaAs) laser or placebo laser treatment daily for two weeks except weekends. Both the laser and placebo laser groups were evaluated for the improvement in pain, number of tender points, skinfold tenderness, stiffness, sleep disturbance, fatigue, and muscular spasm. In both groups, significant improvements were achieved in all parameters (p<0.05) except sleep disturbance, fatigue and skinfold tenderness in the placebo laser group (p>0.05). It was found that there was no significant difference between the two groups with respect to all parameters before therapy whereas a significant difference was observed in parameters as pain, muscle spasm morning stiffness and tender point numbers in favour of laser group after therapy (p<0.05). None of the participants reported any […]

Biomodulatory effects of LLLT on bone regeneration

Antonio L.B. Pinheiro1, Marilia G. Oliveira2, Pedro Paulo M. Martins3, Luciana Maria Pedreira Ramalho4, Marcos A. Matos de Oliveira5, Aurel’cio Novaes Jœnior and Renata Amadei Nicolau 1 School of Dentistry, Department of Diagnostic and Therapeutics, Universidade Federal da Bahia, Salvador, BA, 40110-150,Brazil; 2 School of Dentistry, Post-Graduate Program on Oral and Maxillofacial Surgery, Pontif’cia Universidade Cat—lica do Rio Grande do Sul, Porto Alegre, RS, Brazil; 3School of Dentistry, University of Pernambuco, Camaragibe, 50000-000,Brazil; 4School of Dentistry, Laser Center, Universidade Federal da Bahia, Salvador, BA, 40110-150,Brazil; 5Lecture, Institute of Research and Development (IP&D) Universidade Vale do Para’ba (UNIVAP) – S‹o JosŽ dos Campos,SP, 12244-000, Brazil.   Low Level Laser Therapy (LLLT) for wound healing is effective in modulating both local and systemic response. Usually the healing process of bone is slower than that of soft tissue. Effects of LLLT on bone are still controversial. This paper reports observations on the effect of LLLT on bone healing. The amount of newly formed bone after 830nm laser irradiation of surgical wounds created in the femur of rats was evaluated morphometricaly. Forty Wistar rats were divided into four groups: group A (12 sessions, 4.8J/cm2 per session, 28 days); group C (three sessions, 4.8J/cm2 per […]