The use of therapeutic laser in veterinary medicine as a form of treatment

The light from a laser can cauterize burncut and destroy tissue in a very precise manner.

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This is simply incorrect. Contraindications to direct laser treatment include carcinoma, thyroid gland, active hemorrhage, and autonomic nerve centers.

Human and animal studies have shown that body tissue tends to absorb and use wavelengths within the range of to 1, nanometers nm. Control cable is a data link to the electronics and diodes in the applicator itself. As was initially observed with high power lasers in surgery, veterinary practitioners first adopted the technology for treatment of various conditions including pain management and enhanced healing of wounds chronic and acute.

To reach deeper tissues, wavelengths nm, nm that absorb less in superficial tissue can be used, leaving more light to reach for deeper sites such as bone, the brain, and internal organs. Caution also should be taken in patients with photosensitivity disorders, infections and a compromised immune function or active epiphyses.

Currently, laser therapy equipment is aggressively marketed to veterinarians as a supposedly powerful therapeutic tool and revenue generator. Even considering the required learning curve for efficacious use of a new technology, as well as the attendant safety concerns, the use of surgical lasers in both large and small animal veterinary practice increased based, for the most part, on practitioner implementation rather than from objective peer-reviewed research studies originating at academic institutions.

So a milliwatt mW machine can deliver 1 joule of energy in two seconds, and a one-watt machine can deliver 1 joule of energy in one second.

Light therapy also causes vasodilation by relaxing endothelial smooth muscle, likely through nitric oxide mechanisms. Wavelengths within the nm range do not directly penetrate more than 0.

High power Class 4 lasers have been the devices that opened the door to more extensive use of the technology in veterinary medicine. Photodynamic Therapy PDT Photodynamic therapy PDT has been used in veterinary medicine for certain types of tumors, although the availability and cost of appropriate photosensitizers up to this point has limited its practical application in veterinary oncology.

More recently, medical researchers have uncovered additional benefits pertaining to serious conditions, such as myocardial infarction, spinal cord injury, traumatic brain injury, and stroke. As such, unless a treatment applicator produces a visible finder beam or audible signal, the practitioner will not know when the laser is emitting light.

There is still much to learn about this technology, but it is now accepted as a beneficial treatment modality by more and more practicing veterinarians.

LLLT has been used for many years outside the U. In addition, photosensitizing agents such as hypericin in St. Studies in the use of lasers to promote nerve regeneration 6 have shown exciting results in bringing a return of function after acute spinal cord injury in rats. Vasodilation improves tissue oxygenation and supports the migration of immune cells into tissue, further aiding recovery.

The main controversies surrounding laser therapy involve questions and unproven claims related to pulsed therapy, the advantage of low- or high-powered units, and the longterm safety of high-powered treatment. Visible light ranges from to nm, progressing from violet to blue, green, yellow, orange, and red at nm.

YAGas well as thoracolumbar intervertebral laser disc ablation Ho: Even so, development of smaller, robust CO2 lasers at prices compatible with veterinary economics, as well as successful and knowledgeable marketing, have all played important roles in the growth of CO2 laser use.

Properly used, laser therapy appears to be very safe. The editors of a recent special edition of Physiotherapy Canada thoroughly reviewed contraindications and precautions for laser therapy. In recent years, use of lasers in both human and veterinary medicine has increased in the treatment of conditions that were once managed only with drugs and surgery.

Most of the usual criticisms of laser therapy are being discredited by clinical studies, systematic reviews and meta-analyses demonstrating its many applications in both human and veterinary medicine.

Wavelengths that range from the mid to lownm range penetrate the deepest, directly affecting tissues up to 5 cm and indirectly up to Great Horned Owl and Barn Owl in Slow Motion Story at-a-glance - Use of lasers in veterinary medicine is steadily increasing, with impressive results, yet there are still those who believe laser therapy is just a gimmick employed primarily by the holistic veterinary community.

Many factors impact how light influences tissue, including its power, wavelength, strength, pulse characteristics, tissue contact, and the nature of its beam. That does not mean results of objective controlled and retrospective studies did not appear in veterinary journals, but much of the enthusiasm was promoted through veterinary magazine-type articles often written by veterinarians supported by specific laser companies marketing to the veterinary profession.

Furthermore, pulsing limits damage to nerves and surrounding tissue. Considering the history for the use of lasers in veterinary medicine, it is obvious the technology is here to stay and will benefit veterinary patients greatly.

LLLT also is widely used and found to be effective in treating chronic joint disorders, enhancing biosynthesis of cartilage, stimulating microcirculation and reducing inflammation in the synovium and synovial fluid.

It has, however, been used for many years in other parts of the world, including Canada, Australia, Europe and some Asian countries. In addition, many of the laser medicine continuing education venues at international, national, regional and local professional meetings were, and still are, sponsored by respective laser manufacturers.

Still, more controlled clinical trials must be performed to augment the numerous anecdotal reports often published in the trade magazines. Wattage may be loosely described as the number of photons arriving at the target tissue at the same time: Both approaches have strengths and weaknesses.

Certain laser therapy units emit two or more beams to target a variety of tissues.Complementary and Alternative Veterinary Medicine ; Overview of Complementary and Alternative Veterinary Medicine; Acupuncture; Contraindications to direct laser treatment include carcinoma, thyroid gland, active hemorrhage, and autonomic nerve centers.

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The Merck Veterinary Manual was first published in as a service to the. A therapeutic laser needs 6 to 10 watts of power to be practical for clinical use, Drs.

Godbold and Riegel say. Godbold uses the example of a pound arthritic dog with multiple joint involvement.

Low-level laser therapy

Treating the patient with a 6-watt laser at maximum power and continuous wave, the treatment would need to last eight to 10 minutes to reach an.

Low-level laser therapy (LLLT) is a form of alternative medicine that applies low-level (low-power) Various LLLT devices have been promoted for use in treatment of several musculoskeletal conditions including carpal tunnel syndrome president of the Evidence-Based Veterinary Medicine Association, has stated that "research into cold laser.

Laser therapy is a treatment modality that has been utilized for decades, but is finally finding its place in mainstream veterinary medicine. Interest in the application of therapeutic laser for the treatment of various conditions has grown dramatically as anecdotal reports, clinical case reports, and systematic study results have become available.

Below are the three major uses for therapeutic laser in veterinary medicine, but first: What is laser therapy? Laser treatment is based on using laser light to transfer energy to the tissues of the body, improving metabolism and stimulating the healing process.

Learn about the veterinary topic of Laser Therapy. Find specific details on this topic and related topics from the MSD Vet Manual. Complementary and Alternative Veterinary Medicine ; Overview of Complementary and Alternative Veterinary Medicine; Contraindications to direct laser treatment include carcinoma, thyroid gland, active.

The use of therapeutic laser in veterinary medicine as a form of treatment
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