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Cold Laser Therapy or Low Level Laser Therapy (LLLT) is a treatment that utilizes specific wavelengths of light to interact with tissue and is thought to help accelerate the healing process. It can be used on patients who suffer from a variety of acute and chronic conditions in order to help eliminate pain, swelling, reduce spasms and increase functionality.How Cold Lasers Work?Top physiotherapist near you in JP Nagar.Cold lasers are handheld devices used by the clinician and are often the size of a flashlight. The laser is placed directly over the injured area for 30 seconds to several minutes, depending on the size of the area being treated and the dose provided by the cold laser unit.During this time, the non-thermal photons of light that are emitted from the laser pass through the skins layers (the dermis, epidermis, and the subcutaneous tissue or tissue fat under the skin). This light has the ability to penetrate 2 to 5 centimeters below the skin at 90mw and 830 nm.Once the light energy passes through the layers of skin and reaches the target area, it is absorbed and interacts with the light sensitive elements in the cell. This process can be compared to photosynthesis in plants – sunlight is absorbed by plants, which is then converted to usable energy so that the plant can grow.When cells absorb this light energy, it initiates a series of events in the cell that is theorized to eventually result in normalizing damaged or injured tissue, a reduction in pain, inflammation, edema and an overall reduction in healing time by increasing intracellular metabolism.Types of Conditions Treated by Cold Lasers:Physiotherapist near you in Bannerghatta Road.Cold laser therapy can stimulate all cell types including muscle, ligament, cartilage, nerves, etc., so a number of conditions can be treated by cold laser therapy. Some of conditions that may typically be treated by cold laser therapy include:Arthritis painBack painCarpal tunnel syndromeFibromyalgia painKnee painNeck painTendonitisEffectiveness of Cold Laser TherapyPhysiotherapist in JP NagarFor years, physicians have been using cold laser therapy on patients who are seeking effective, alternative methods for pain relief. Since 1967 there have been over 2,500 clinical studies published worldwide. Many of these studies are double-blinded, placebo-controlled and have demonstrated cold laser therapy to be a proven method for pain relief.Effectiveness of Cold Laser TherapyPotential Cold Laser Therapy DisadvantagesCold laser therapy does have several disadvantages.Patients do not typically get full relief or resolution from their pain symptoms after the first treatment. It takes a series of treatments, usually 8 to 30, depending on the severity and duration of the condition.Patients often have to return to the doctor for treatments at least 2 to 4 times per week. Old injuries may be aggravated for a few days after treatments, but for most patients this sensation is short term, lasting for a couple of days.Physiotherapy clinic near you in JP Nagar.Low-level laser therapy (LLLT) is thought to have an analgesic effect as well as a biomodulatory effect on microcirculation. This study was designed to examine the pain-relieving effect of LLLT and possible microcirculatory changes measured by thermography in patients with knee osteoarthritis (KOA). Materials and Methods: Patients with mild or moderate KOA were randomized to receive either LLLT or placebo LLLT. Treatments were delivered twice a week over a period of 4 wk with a diode laser (wavelength 830 nm, continuous wave, power 50 mW) in skin contact at a dose of 6 J/point. The placebo control group was treated with an ineffective probe (power 0.5 mW) of the same appearance. Before examinations and immediately, 2 wk, and 2 mo after completing the therapy, thermography was performed (bilateral comparative thermograph by AGA infrared camera); joint flexion, circumference, and pressure sensitivity were measured; and the visual analogue scale was recorded. Results: In the group treated with active LLLT, a significant improvement was found in pain (before treatment [BT]: 5.75; 2 mo after treatment: 1.18); circumference (BT: 40.45; AT: 39.86); pressure sensitivity (BT: 2.33; AT: 0.77); and flexion (BT: 105.83; AT: 122.94). In the placebo group, changes in joint flexion and pain were not significant. Thermographic measurements showed at least a 0.5°C increase in temperature—and thus an improvement in circulation compared to the initial values. In the placebo group, these changes did not occur. 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Chichester (UK): John Wiley and Sons; 1991.Articles from Photomedicine and Laser Surgery are provided here courtesy of Mary Ann Liebert, Inc.Formats:Article | PubReader | ePub (beta) | PDF (371K) | CitationShareShare on Facebook Facebook Share on Twitter Twitter Share on Google Plus Google+Save itemsView more optionsSimilar articles in PubMedEfficacy of different therapy regimes of low-power laser in painful osteoarthritis of the knee: a double-blind and randomized-controlled trial.[Lasers Surg Med. 2003]Efficacy of low-level laser therapy applied at acupuncture points in knee osteoarthritis: a randomised double-blind comparative trial.[Physiotherapy. 2014]Laser acupuncture in knee osteoarthritis: a double-blind, randomized controlled study.[Photomed Laser Surg. 2007]Effectiveness of low-level laser therapy in patients with knee osteoarthritis: a systematic review and meta-analysis.[Osteoarthritis Cartilage. 2015]A systematic review of low level laser therapy with location-specific doses for pain from chronic joint disorders.[Aust J Physiother. 2003]See reviews…See all…Cited by other articles in PMCSafety and Effectiveness of Low-Level Laser Therapy in Patients With Knee Osteoarthritis: A Systematic Review and Meta-analysis[Journal of Lasers in Medical S…]Effect of Laser Therapy on Chronic Osteoarthritis of the Knee in Older Subjects[Journal of Lasers in Medical S…]Effectiveness of low-level laser therapy in patients with knee osteoarthritis: a systematic review and meta-analysis[Osteoarthritis and cartilage /…]SHORT-TERM EFFICACY OF LOW-LEVEL LASER THERAPY IN PATIENTS WITH KNEE OSTEOARTHRITIS: A RANDOMIZED PLACEBO-CONTROLLED, DOUBLE-BLIND CLINICAL TRIAL[Revista Brasileira de Ortopedi…]Effect of low-level laser therapy (904 nm) and static stretching in patients with knee osteoarthritis: a protocol of randomised controlled trial[BMC Musculoskeletal Disorders….]See all…LinksCited in BooksMedGenPubMedTaxonomyRecent ActivityClearTurn OffThe Effect of Low-Level Laser in Knee Osteoarthritis: A Double-Blind, Randomized…The Effect of Low-Level Laser in Knee Osteoarthritis: A Double-Blind, Randomized, Placebo-Controlled TrialPhotomedicine and Laser Surgery. 2009 Aug; 27(4)577See more…Review Low-level laser therapy in acute pain: a systematic review of possible mechanisms of action and clinical effects in randomized placebo-controlled trials.[Photomed Laser Surg. 2006]