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The card heats to 100.4°F (38°C), bathing the wound in radiant heat. The closely sealed wound covering promotes a moist environment in the wound bed. It is sometimes indicated in wounds that have failed to heal with conventional therapies including wounds with compromised blood flow, diabetic ulcers, and bed sores. [2]
LEDs produce wavelengths that span from UV-A (350 nm) to near-infrared (NIR) (1100 nm). [14] The wavelength of the LED light can target different tissues. Long wavelength lights such as NIR/dark red(600-1000 nm) can have better tissue penetration and can easily absorb cytochrome c oxidase (CCO) targets by PBMT.
He went on to show that low level HeNe light could accelerate wound healing in mice. [11] By the 1970s, he was applying low level laser light to treat people with skin ulcers. [11] In 1974, he founded the Laser Research Center at the Semmelweis Medical University in Budapest, and continued working there for the remainder of his life. [37]
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.
Earlier reviews found that, because of low-quality evidence, it was unclear whether electrotherapy increases healing rates of pressure ulcers. [20] [21] By 2014 the evidence supported electrotherapy's efficacy for ulcer healing. [22] Another 2015 Cochrane review found no evidence supporting the user of electrotherapy for venous stasis ulcers. [23]
Near-infrared light, or photobiomodulation, is used for treatment of chemotherapy-induced oral ulceration as well as wound healing. There is some work relating to anti-herpes virus treatment. [ 62 ] Research projects include work on central nervous system healing effects via cytochrome c oxidase upregulation and other possible mechanisms.
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A week after the injury, the edges of the wound are pulled together by contraction. Contraction is an important part of the healing process when damage has been extensive, and involves shrinking in size of underlying contractile connective tissue, which brings the wound margins toward one another. [1]