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|Title:||The effect of different pulse durations in the treatment of nail psoriasis with 595-nm pulsed dye laser: A randomized, double-blind, intrapatient left-to-right study|
University Hospital of Ghent
Instituto Companhia União Fabril (CUF)
|Citation:||Journal of the American Academy of Dermatology. Vol.66, No.5 (2012), 807-812|
|Abstract:||Background: Several studies have proven the efficacy of pulsed dye laser (PDL) in the treatment of plaque type psoriasis. However, only two published studies indicate the effectiveness of PDL on nail psoriasis. Objective: We sought to study the effect of different pulse durations in the treatment of nail psoriasis with the 595-nm PDL to determine the optimal pulse duration. Methods: Twenty patients with bilateral fingernail psoriasis were recruited and completed a 6-month trial. PDL was applied on the proximal and lateral nailfolds based on random assignment. Forty nails were treated with 6-millisecond pulse duration and 9 J/cm 2 whereas 39 nails were treated with 0.45-millisecond pulse duration and 6 J/cm 2 . Patients were blinded to pulse durations. One blinded dermatologist used the Nail Psoriasis Severity Index (NAPSI) to assess the clinical outcome from pretreatment and posttreatment photographs. Patients were monitored for adverse events. Pain was evaluated after the procedure using a visual analog scale assessed by the patient. Results: After 6 months of first treatment, there was a significant reduction in overall NAPSI, nail matrix NAPSI, and nail bed NAPSI scores from baseline in both groups; however, no significant difference was found between the two pulse duration groups. Side effects were mild including transient petechiae and hyperpigmentation. Limitations: There was no placebo group. Conclusions: PDL was found to be an effective and well-tolerated option in the treatment of nail psoriasis. No significant difference in terms of efficacy was found between the longer and shorter pulse duration treatment groups. © 2011 by the American Academy of Dermatology, Inc.|
|Appears in Collections:||Scopus 2011-2015|
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