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lllt light therapy

What is lllt light therapy?

lllt light therapy

lllt light therapy

lllt light therapy

lllt light therapy

lllt light therapy

lllt light therapy

What Is lllt light therapy?-The word LASER is an acronym for Light Amplification by Stimulated Emission of Radiation. Cold lllt light therapy or Low Level lllt light 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, increase functionality, unblocking clogged arteries, eradicating infections, and other therapeutic purposes. Low Level lllt light therapy is often used interchangeably with the term “Cold lllt light therapy,” meaning the laser does not produce heat, and is only therapeutic. It does not cut skin or intended to heat or burn skin. What is lllt light therapy?What can you do if you’ve tried every conceivable way to relieve pain? You’ve been treated by anti-inflammatory drugs, cortisone, painkillers, physiotherapy, massage and maybe surgery. Yet the pain continues unabated.

lllt light therapy
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lllt light therapy has been successfully used to treat a broad range of medical conditions, including musculoskeletal problems, arthritis, sports injuries, post-surgical wounds, diabetic ulcers and dermatological conditions.

Low Intensity lllt light therapy uses red and infrared light for the relief of pain, to accelerate healing and decrease inflammation. When the light source is placed against the skin, the photons penetrate several centimetres and get absorbed by the mitochondria, the energy producing part of a cell. This facilitates tissue repair and accelerates wound and tissue healing. The Low Intensity lllt light therapy is non-invasive, non toxic and often provides a treatment alternative for patients that have not responded to other therapies.

How lllt light therapy work?

How lllt light therapy work?-For low-power visible or near-infrared light to have an effect on a biologic system, the photon must be absorbed by electronic absorption bands belonging to a photon acceptor or chromophore (first law of photobiology) . A chromophore is a molecule (or portion of a molecule) which imparts a color to a compound (e.g. chlorophyll, hemoglobin, myoglobin, cytochrome c oxidase, other cytochromes, flavin, flavoproteins or porphyrins) . The “optical window” in a tissue describes a range of wavelengths where the penetration of light into tissue is maximized by employing red and near-infrared wavelengths . The optimum wavelength has been estimated to be around 810 nm. Mitochondria are “the cellular power plants” in our cells and as such they convert food molecules and oxygen into energy (ATP) by oxidative phosphorylation. It has been proposed that cytochrome c oxidase (COX) is the primary photo-acceptor for the red-NIR wavelength range in mammalian cells . Nitric oxide (NO) produced in mitochondria can inhibit respiration by binding to COX and displace oxygen especially in injured or hypoxic cells . It is proposed that lllt light therapy can photo-dissociate NO from COX and reverse the mitochondrial inhibition of respiration due to excessive NO binding . The process of light mediated vasodilation was first described by RF Furchgott in 1968, and his research on the biological properties of nitric oxide eventually led to the award of a Nobel Prize in 1998 . lllt light therapy is able to produce a shift in the overall cell redox potential in the direction of greater oxidation by increasing reactive oxygen species (ROS) and decreasing reactive nitrogen species (RNS). The long-term effects of lllt light therapy are thought to be due to the activation of various transcription factors by the immediate chemical signaling molecules produce from mitochondrial stimulation by lllt light therapy. The most important of these signaling molecules are thought to be ATP, cyclic-AMP, NO and ROS .

lllt light therapy at low doses has been shown to enhance cell proliferation of fibroblasts , keratinocytes, endothelial cells and lymphocytes . The mechanism of proliferation is thought to result from photo-stimulation of the mitochondria leading to activation of signaling pathways and up regulation of transcription factors eventually giving rise to increases in growth factors . lllt light therapy can enhance neovascularization, promote angiogenesis and increase collagen synthesis to aid in the healing of acute and chronic wounds . It has been observed in many studies, that lllt light therapy exhibits a biphasic dose response curve, where by lower doses of light are more effective than much higher doses. These low doses of light have demonstrated the ability to heal skin, nerves, tendons, cartilage and bones.

How to Find lllt light therapy

Many massage therapists, acupuncturists, chiropractors, physical therapists, and other health care professionals use LLLT in their healing practices, and it may be easiest to find them in your area by asking your physician for a referral or searching online. The World Association for Laser Therapy sponsors Find a Laser Therapist to help you find a laser therapist in your area; however, know that the current therapist list is short.

Many companies now manufacture and sell low-level lasers to the general public; however, quality lasers can be quite pricey, ranging up to $25,000 or more, and there are many complex options to choose from. To provide an alternative to purchasing a laser for home use, some therapists rent their lasers to clients.

What’s the Difference Between lllt light therapy and LED Light Therapy?

For many years, the healthcare industry has used laser therapy for several applications. Healthcare professionals use lasers for a multitude of applications, including wound care, plaque ablation, the reduction of pain and inflammation and even cancer treatment. More recently, light-emitting diodes (LEDs) have become popular for many of the same applications. From minimizing post-operative pain to reducing edema to stimulating the healing of otherwise non-healing wounds, LEDs have irrefutable therapeutic benefits.

Still, there are notable differences between laser and LED light therapy, and each has its pros, cons and ideal applications in the physical therapy and rehab setting. If you’re trying to decide which option to use in your clinic or hospital, keep the following facts and research in mind.
Mechanisms of Action

LASER, which stands for Light Amplification by Stimulated Emission of Radiation, is created when electrons become “excited,” or more energized, after absorbing energy from an electrical current. Once these excited electrons return to their normal state, they release that energy as particles of light called photons. These photons all exist at the same wavelength, and they are propelled in the same direction, giving them the coherence that allows lasers to exert significant effects on matter.

In clinical practice, low-level laser (lllt light therapy) therapy involves exposing tissues to red and near infrared (NI) light, which are lower in energy than the lasers used in surgery. When lasers come into contact with cells, they act on the mitochondria to increase adenosine triphosphate (ATP) production. In turn, that increased ATP production can lead to faster production of collagen, vascular structures, DNA, RNA and other materials essential to the healing process.

In contrast, LEDs emit incoherent light in a broader range of wavelengths. Their power output is significantly lower than that of lasers, which tends to make them less invasive and less potentially harmful to targeted tissues. Still, they exert the same end effect on ATP production and healing as lasers, albeit to a different degree.
The Results

Both laser and LED therapies have significant bodies of evidence backing their efficacy. For instance, one of the first uses of lllt light therapy was in the treatment of carpal tunnel syndrome, where it has proven effective in reducing pain and improving grip strength in mild to moderate cases. It has also shown promise in the treatment of chronic pain and a variety of sports injuries, and it may even have applications in neurorehabilitation.

Likewise, LEDs have clear benefits for wound care, burns and skin conditions, and the treatment of muscle damage and inflammation. For therapists who work with active populations, LEDs can even enhance muscles’ contractile ability and post-exercise recovery—a significant performance benefit for hard-training athletes.
The Right Choice for Your Clinic

Ultimately, your best choice of light therapy will come down to your specific patient population, desired applications and budget. That said, there are combination devices that allow you alternate between LED and lllt light therapy, as well as ultrasound and other modalities, with the flip of a switch.

lllt light therapy

lllt light therapy

 


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