How does laser therapy affect my pet’s tissue?Therapeutic lasers use light waves of a specific wavelength to cause photobiomodulation, or the alteration of cellular and tissue physiology. Light absorbed by cellular components stimulates electrons and activates cells to promote growth, proliferation, migration, and repair.
The type and depth of tissue that responds to laser therapy depends on the wavelength of the light that is delivered. Most therapeutic lasers use red or near-infrared light, which has a wavelength of 600–1070 nanometers, although units with green, blue, and violet light, which have lower wavelengths, are becoming more popular. Laser beams of lower wavelengths are absorbed by superficial tissue, such as the skin, whereas beams of higher wavelengths penetrate deeper to muscles and bones.
Laser therapy helps tissue repair by causing the following:
The main clinical benefits of laser use in pets include decreased inflammation, decreased pain, and improved wound healing.
- Endorphin release
- Vasodilation, which increases blood flow to bring in oxygen and cells involved in the healing process
- Muscle relaxation
- Decreased inflammation
- Faster healing and repair