Journal
PHOTODERMATOLOGY PHOTOIMMUNOLOGY & PHOTOMEDICINE
Volume 17, Issue 1, Pages 32-38Publisher
MUNKSGAARD INT PUBL LTD
DOI: 10.1034/j.1600-0781.2001.017001032.x
Keywords
aged; nutritional status; phototherapy; pressure ulcer; wound healing
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Background: The effects of infrared and red pulsed monochromatic light, with varied pulsations and wavelengths, on the healing of pressure ulcers were evaluated in this prospective, randomized, controlled study. Methods: Elderly patients (greater than or equal to 65 years) with Stage 2 or 3 skin ulcers were enrolled and assigned to one of two groups. Both groups were given the same standard ulcer therapy. One group was also given phototherapy with pulsed monochromatic infrared (956 nm) and red (637 nm) light. Treatments lasted 9 min each time using a regimen with pulse repetition frequency varied between 15.6 Hz and 8.58 kHz, Patients were followed for 10 weeks or until the ulcer was healed, whichever occurred first. The ulcer surface area was traced weekly. Results: Patients treated with pulsed monochromatic light had a 49% higher ulcer healing rate, and a shorter time to 50% and to 90% ulcer closure compared with controls. Their mean ulcer area was reduced to 10% after 5 weeks compared with 9 weeks for the controls. Conclusion: The results are encouraging as pulsed monochromatic light increased healing rate and shortened healing time. This win positively affect the quality of life in elderly patients with pressure ulcer.
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