eISSN: 2299-0046
ISSN: 1642-395X
Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii
Current issue Archive Manuscripts accepted About the journal Editorial board Journal's reviewers Abstracting and indexing Subscription Contact Instructions for authors
SCImago Journal & Country Rank
3/2021
vol. 38
 
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abstract:
Original paper

Prospective 3-month study on the efficacy of UV-free blue light in mild psoriasis vulgaris treatment

Aleksandra Lesiak
1
,
Igor A. Bednarski
1
,
Joanna Narbutt
1

1.
Dermoklinika Centrum Medyczne, Lodz, Poland
Adv Dermatol Allergol 2021; XXXVIII (3): 446–449
Online publish date: 2021/07/26
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Introduction
Psoriasis is one of the most common chronic skin diseases affecting up to 2% of the general population. In recent years, an important direction for the development of treatment for psoriasis has been the use of blue light emitted by LED lamps.

Aim
To evaluate the efficacy of blue-light emitting device in psoriasis vulgaris treatment.

Material and methods
The study involved 30 adults with a mild form of psoriasis vulgaris not previously receiving biological treatment and other forms of phototherapy. Participants of the study used a device emitting blue LED light for 3 months. Each participant received a device for use at home, with which he/she exposed 2 psoriatic lesions located on the limbs. Before and after the study, the severity of the disease was evaluated using PASI, DLQI and LPSI.

Results
During 3 months of the therapy, a statistically significant decrease in the mean LPSI (in both treated locations) and DLQI was noted (LPSI decrease from 5.25 ±1.82 to 1.98 ±1.74, p < 0.0001; DLQI from 7.36 ±5.59 before the study to 5.23 ±4.62 after the study.

Conclusions
Our results confirm that phototherapy using blue LED light is both a safe and highly effective way to treat psoriasis.

keywords:

psoriasis, blue light, phototherapy

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