Journal of wound care · 2023
Blue light photobiomodulation for reactivation of healing in wounds not responding to standard therapy.
Наблюдательное исследованиеСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Ricci Elia, Pittarello Monica
Аннотация
OBJECTIVE: Blue light (410-430nm) has been suggested to be effective in the healing process of hard-to-heal wounds. The aim of this study was to test this hypothesis.
METHOD: This single-centre observational study assessed the efficacy of photobiomodulation with blue light (120 seconds at a distance of 4cm from the wound bed once a week for four weeks) in activating healing in patients with hard-to-heal skin lesions (mean duration 23.9 months) of the lower limb that had not responded to four weeks of standard treatment.
RESULTS: A total of 59 patients were assessed. Wounds were divided into groups according to aetiology: hard-to-heal venous wound (30.5%); hard-to-heal arterial and mixed wounds (16.9%); hard-to-heal inflammatory wound (22.0%); other hard-to-heal wounds (13.6%); and acute wound (16.9%). The mean reduction in wound area at the end of the four-week treatment period with blue light compared with baseline was 51.38% (p<0.001) across all wounds. Among subgroups, the best performance was obtained for hard-to-heal venous wounds, achieving a 63.36% (p<0.001) mean reduction in wound size, and acute wounds, achieving a mean reduction of 82.76% (p<0.001). The greatest mean change in wound bed score was seen at the end of the four-week treatment period with blue light, with an increase in the mean score from 8.6 at baseline to 12.8 at week four (77.2%; p<0.001). There was a clear decrease in pain during blue light treatment, achieving a reduction in the average numeric rating scale (NRS) from 4.3 at baseline to 1.8 at week 4 (53.23%; p <0.001). At week 4, the highest proportion of complete healing was seen in acute (100.0%) and venous wounds (83.3%).
CONCLUSION: Based on these results, photobiomodulation with blue light appears to reactivate the healing process in acute and hard-to-heal wounds that do not respond to standard treatment. Photobiomodulation with blue light treatment is easy to perform and safe, with no reported adverse events or side-effects.
METHOD: This single-centre observational study assessed the efficacy of photobiomodulation with blue light (120 seconds at a distance of 4cm from the wound bed once a week for four weeks) in activating healing in patients with hard-to-heal skin lesions (mean duration 23.9 months) of the lower limb that had not responded to four weeks of standard treatment.
RESULTS: A total of 59 patients were assessed. Wounds were divided into groups according to aetiology: hard-to-heal venous wound (30.5%); hard-to-heal arterial and mixed wounds (16.9%); hard-to-heal inflammatory wound (22.0%); other hard-to-heal wounds (13.6%); and acute wound (16.9%). The mean reduction in wound area at the end of the four-week treatment period with blue light compared with baseline was 51.38% (p<0.001) across all wounds. Among subgroups, the best performance was obtained for hard-to-heal venous wounds, achieving a 63.36% (p<0.001) mean reduction in wound size, and acute wounds, achieving a mean reduction of 82.76% (p<0.001). The greatest mean change in wound bed score was seen at the end of the four-week treatment period with blue light, with an increase in the mean score from 8.6 at baseline to 12.8 at week four (77.2%; p<0.001). There was a clear decrease in pain during blue light treatment, achieving a reduction in the average numeric rating scale (NRS) from 4.3 at baseline to 1.8 at week 4 (53.23%; p <0.001). At week 4, the highest proportion of complete healing was seen in acute (100.0%) and venous wounds (83.3%).
CONCLUSION: Based on these results, photobiomodulation with blue light appears to reactivate the healing process in acute and hard-to-heal wounds that do not respond to standard treatment. Photobiomodulation with blue light treatment is easy to perform and safe, with no reported adverse events or side-effects.