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What is low level laser light therapy?

What is low level laser light therapy?

low level laser light therapy

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What is Cold Laser Therapy or Low Level Laser Therapy or LLLT- This is a treatment that uses particular light wavelengths in order to interact with tissue. Cold Laser Therapy or Low Level Laser Therapy has earned the reputation of helping to facilitate the healing process. It can be used on patients to help eliminate swelling, reduce spasms, eliminate pain and increase functionality for individuals who suffer from a variety of chronic and acute conditions.

The lasers used in LLLT are typically small (often handheld) units, and unlike surgical and aesthetic lasers, do not heat the targeted tissue. Instead, LLLT emits low levels of light that are absorbed by your mitochondria (the energy-producing organelles in many of your cells), which then can increase cellular energy production and ultimately help heal surrounding tissue. This process is comparable to plant photosynthesis, during which sunlight is absorbed by plants and converted to energy for the plants to grow.

Low level laser therapy is a form of alternative medicine that uses laser light at low levels or near-infrared light. The light is applied to the surface skin of the body with the intentions of decreasing pain or inflammation, promoting healing of wounds, tissues, and nerves, or for preventing tissue damage. This is much different than the high level lasers that we know for surgical procedures to cut and destroy unhealthy tissue.

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How low level laser light therapy Work?

low level laser light therapy—also called low-level or near-infrared laser therapy—uses low-level light energy to treat a wide array of conditions, ranging from sprains, tendinitis, back pain, and arthritis to temporomandibular disorder (chronic jaw pain), carpal tunnel syndrome, diabetic neuropathy, fibromyalgia, and leg ulcers. Used by some physical therapists, physiatrists, chiropractors, and occupational therapists, it is different from conventional “hot” laser surgery. The FDA has cleared more than two dozen cold laser devices, including some sold on the Internet for home use, for the temporary relief of pain, which means only that they are safe, not necessarily that they are effective. The therapy is noninvasive and painless; no serious side effects have been reported.

It’s not clear how low level laser light therapy might work, but it may have anti-inflammatory effects, help repair connective and other tissues, and release pain-relieving endorphins.

Overall, though, it’s hard to draw firm conclusions because many of the studies have been small, short in duration, and not well-controlled. Plus, there are differences in the devices and how the treatment is delivered in terms of dosage, wavelength, duration, where on the body it is applied, and technique. Cold lasers may work for one condition but not another, and only in some people—and their effect may depend on the degree of injury.

Though low level laser light therapy may provide some temporary relief for some types of pain, it may not affect the underlying ailment or be any more effective than other types of heat delivery,in their coverage policies, both Cigna and Aetna note that there’s little or no conclusive evidence that low level laser light therapy is effective for anything. Even in research suggesting some promise for the therapy in treating conditions such as carpal tunnel syndrome, chronic neck or back pain, and diabetic ulcers, the evidence has been limited and conflicting, and it’s hard to know how much any apparent benefit is due to a placebo effect.

Bottom line: If you have tendinitis or other musculoskeletal pain, work with a physical therapist, who may use low level laser light therapy among other treatments. Some health insurance policies cover it when it’s provided by a health-care professional for certain ailments. Whether it adds much to the benefits of traditional physical therapy—ice, heat, exercise, and massage, for example—is unclear. Lastly, don’t count on getting the same benefit from self-treatment as you might from having it done by an experienced, trained professional. Home devices, which can cost hundreds of dollars and are often touted as a cure for nearly everything, may not have the power to do much of anything.

mitochondria low level laser light therapy (LLLT) has a photochemical effect (like photosynthesis in plants). One of the main mechanisms of action occurs in the mitochondria (the cellular power plant inside every cell). The effect depend on the application of the correct wavelength and density of light, delivered to the target tissues for an appropriate period of time (typically between 30 – 60 seconds). Pulses can improve tissue repair and anti-inflammatory effect, analgesia is best achieved with a continuous beam.

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TISSUE REPAIR AND ANTI-INFLAMMATORY EFFECTS

The primary effect occurs when light is absorbed in cytochrome c oxidase a protein within the mitochondria.

When cells get stressed (perhaps due to disease, injury or ageing) the mitochondria produces nitric oxide (NO). This competitively displaces oxygen from cytochrome c oxidase consequently reducing ATP (an essential intracellular cellular energy and extracellular signalling molecule) and causing an over production reactive oxygen species (ROS) and leading to oxidative stress. Oxidative stress is well known to lead to inflammation an cell death via the gene transcription factor NF-Kb.

low level laser light therapy (LLLT) of the correct wavelength and density, dissociates NO allowing oxygen back in, so ATP is restored and oxidative stress reduced. Once normal mitochondrial function is restored by LLLT then cell metabolism is improves, and the patient gets better more quickly.

 

Why we need low level laser light therapy(LLLT)?

The three benefits of low level laser light therapy(LLLT) are it improves wound tissue regeneration, reduces inflammation and has an analgesic effect.

These three PDF files summarise the effects of low level laser light therapy(LLLT) and clinical benefits for:

Wound Healing
Sports injuries
Chronic Pain

low level laser light therapy(LLLT) may sometimes provide an effective alternative to surgery or medications—without accompanying side effects. It can help regenerate tissue, reduce inflammation, decrease pain, and increase immunity, and research has shown its efficacy in treating many conditions, including:

Plantar fasciitis
Rheumatoid arthritis
Temporomandibular joint disorder
Exercise-induced muscle fatigue and injury prevention
Skin conditions
Traumatic brain injury
Stroke


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