Cold Laser Research, Studies, Abstracts, Associations, Wound Healing & Pain Relief. There are over 3,500 scientific papers published worldwide on the efficacy of Cold Lasers or Low Level Laser Therapy (LLLT). Following is a sampling of the research that is available.
Research Overview Summary Below
• PAIN – Low Level Laser Therapy has been cleared by the FDA as an adjunct treatment method for pain related to neck and shoulder injuries.
• Carpal Tunnel Syndrome – Low Level Laser Therapy has been cleared by the FDA as an adjunct treatment method for this condition.
• Epicondylitis (Tennis Elbow) – Simunovic treated 324 patients . . . complete pain relief and restored functional ability were achieved in 82% of the acute patients and 66% of the chronic cases. J Clin Laser Med & Surg. 1998; 16 (3): 145-151
• Fibromyalgia – 66% benefited from treatment with regard to local pain, hypomobility (joint stiffness) and phlogosis (inflammation). Longo treated 846 patients with fibromyositic rheumatism during a 15 year period. About 2/3 benefited from the treatment with regard to local pain, hypomobility and phlogosis. Journal of Clinical Laser Medical and Surgery. 1997; 15 (5): 217-220
• Headache/Migraine – The pain disappeared after 1-5 minutes. Wong treated 20 patients with migraine or symptoms resembling migraine. Proc 9th Congress Soc Laser Surgery and Medicine, Anaheim, CA: 2-6 Nov. 1991
• Low Back Pain – Soriano performed a double-blind trial with elderly people suffering from chronic low back pain. Treatment was effective in 71% of the laser group and 36% of the sham group. The pain disappeared completely in 45% of the laser group and 15% of the sham group. Lasers Surg Med. 1998 Suppl 10, p. 6
• Rheumatoid Arthritis of the hand/Osteoarthritis – Palmgren conducted a controlled double-blind study on 35 patients with rheumatoid arthritis of the hand. .......grip strength and movement were improved while swelling, pain and morning stiffness were reduced. Lasers in Medical Science, 1989; 4: 193.
• Wound Healing – Palmgren investigated the effect of Low Level Laser Therapy on infected abdominal wounds after surgery. Healing time to half wound size was 6.8 days in the laser group compared to 14 days in the placebo group. Lasers Surg Med 1991; Suppl 3:11
• Acupuncture – In addition, laser light can be used to stimulate acupuncture points in a non-invasive, pain-free manner. Low Level Laser Therapy Provides New Treatment Possiblities, Dr. Melyni Worth, Ph.D., World Equine Veterinary Review, Vol. 3, No. 3, 1998
• Bacterial Infection – In research led by Michael Hamblin of Mass. Gen. Hospital and Harvard Medical School, mice with surgically induced wounds were dosed with bioluminescent bacteria to create potentially lethal infections. Utilizing a 665 nm laser diode photodynamic therapy (Low Level Laser Therapy) the researchers found that "infected wounds healed significantly faster with the PDT method. PDT shows promise as a topical antimicrobial alternative that may work even faster than antibiotics." The Journal of Infectious Diseases, June 1, 2003, PP 1717-1725.
• Allergic Rhinitis – Neuman & Finkelstein studied 50 patients in a double-blind randomized study. Following treatment with a 660 nm red laser, 72% of the treatment group reported improvement of symptoms as compared to 24% of the placebo group. Ann Allergy Asthma Immunol 1997;78:399-406
• Blood Pressure – Umeda tested the effects of a Low Level Laser on the control of blood pressure via energy administered via the medulla oblongata. The results from a group of 30 patients suffering from hypertension were positive in 80% of the patients. Laser Therapy. 1990; 2(2): 59
• Tennis Elbow – In this study, 82% of acute cases and 66% of chronic cases showed complete pain relief and restored functional ability. Journal of Clinical Laser Medical and Surgery. 1998; 16(3): 145-151
• Menstrual Pain – Takac treated 12 patients suffering from menstrual pain. Of the 12, ten were freed, entirely or in part of pain and experienced greater regularity of their menstrual cycles. Tuner and Hode, The Laser Therapy Handbook, 2004, Prima Books, 148
University of Central Florida researchers Reveal Their Ability to Control Living Cells with LIGHT
Scientists have shown for the first time that light energy can gently guide and change the orientation of living cells within lab cultures. That ability to optically steer cells could be a major step in harnessing the healing power of stem cells and guiding them to areas of the body that need help. (from Photonics News Online)
Single Photons Observed at Seemingly Faster-Than-Light Speeds
At the boundaries between layers, the photon creates waves interfering with each other, affecting its transit time.Researchers at the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology and the University of Maryland at College Park, can speed up photons (particles of light) to seemingly faster-than-light speeds through a stack of materials by adding a single, strategically placed layer.
This experimental demonstration confirms intriguing quantum-physics predictions that light’s transit time through complex multilayered materials need not depend on thickness, as it does for simple materials such as glass, but rather on the order in which the layers are stacked. This is the first published study of this dependence with single photons. (from Photonics News Online)
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Cold Laser Research Studies, Abstracts, Associations, Wound Healing and Pain