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A pilot study showing pulsed-dye laser treatment improves localized areas of chronic atopic dermatitis


Syed, S; Weibel, L; Kennedy, H; Harper, J I (2008). A pilot study showing pulsed-dye laser treatment improves localized areas of chronic atopic dermatitis. Clinical and Experimental Dermatology, 33(3):243-248.

Abstract

BACKGROUND: Eczematous skin changes overlying port-wine stains have been reported to improve with pulsed-dye laser (PDL) treatment. However, PDL has not as yet been evaluated for the treatment of atopic dermatitis (AD; eczema). AIM: To evaluate in a controlled trial the effects and safety of PDL treatment in children with AD who had chronic localized lesions. METHODS: Twelve children with localized, chronic eczema were treated with PDL (595 nm), with untreated areas used as an intrapatient control. Treatment was given at baseline and patients were followed up at 2 and 6 weeks. Clinical outcome measures were localized Eczema Severity Score (ESS), a visual analogue scale (VAS) indicating eczema severity assessed by photographs, and adverse events. RESULTS: After 2 and 6 weeks, a significant decrease in ESS was seen for the PDL-treated areas compared with the control areas (mean +/- SEM reduction in ESS 7.0 +/- 1.0 vs. 3.3 +/- 0.8 at 2 weeks, P = 0.003, and 7.8 +/- 1.4 vs. 4.9 +/- 1.3 at 6 weeks, P = 0.002). A significant difference in eczema severity assessed by VAS at 6 weeks was seen in favour of PDL (mean +/- SEM improvement 78% +/- 20% vs. 52% +/- 10%, P = 0.003). Treatment was well-tolerated. CONCLUSIONS: In this pilot study, PDL treatment was effective in treating small areas of chronic localized eczema. This may suggest that in AD dermal vasculature plays an important role or that PDL may have an effect on cutaneous immunological activation.

Abstract

BACKGROUND: Eczematous skin changes overlying port-wine stains have been reported to improve with pulsed-dye laser (PDL) treatment. However, PDL has not as yet been evaluated for the treatment of atopic dermatitis (AD; eczema). AIM: To evaluate in a controlled trial the effects and safety of PDL treatment in children with AD who had chronic localized lesions. METHODS: Twelve children with localized, chronic eczema were treated with PDL (595 nm), with untreated areas used as an intrapatient control. Treatment was given at baseline and patients were followed up at 2 and 6 weeks. Clinical outcome measures were localized Eczema Severity Score (ESS), a visual analogue scale (VAS) indicating eczema severity assessed by photographs, and adverse events. RESULTS: After 2 and 6 weeks, a significant decrease in ESS was seen for the PDL-treated areas compared with the control areas (mean +/- SEM reduction in ESS 7.0 +/- 1.0 vs. 3.3 +/- 0.8 at 2 weeks, P = 0.003, and 7.8 +/- 1.4 vs. 4.9 +/- 1.3 at 6 weeks, P = 0.002). A significant difference in eczema severity assessed by VAS at 6 weeks was seen in favour of PDL (mean +/- SEM improvement 78% +/- 20% vs. 52% +/- 10%, P = 0.003). Treatment was well-tolerated. CONCLUSIONS: In this pilot study, PDL treatment was effective in treating small areas of chronic localized eczema. This may suggest that in AD dermal vasculature plays an important role or that PDL may have an effect on cutaneous immunological activation.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Dermatology Clinic
Dewey Decimal Classification:610 Medicine & health
Language:English
Date:May 2008
Deposited On:27 Feb 2009 09:55
Last Modified:05 Apr 2016 13:03
Publisher:Wiley-Blackwell
ISSN:0307-6938
Additional Information:The attached file is a preprint (accepted version) of an article published in [Clinical and Experimental Dermatology, 2008; 33(3):243-248].
Publisher DOI:https://doi.org/10.1111/j.1365-2230.2007.02644.x
PubMed ID:18201257

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