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12.08.2016 | Original Article | Ausgabe 5/2016

Aesthetic Plastic Surgery 5/2016

Dermal Remodeling of Burn Scar by Fractional CO2 Laser

Zeitschrift:
Aesthetic Plastic Surgery > Ausgabe 5/2016
Autoren:
Sang-jun Lee, Dong-Hye Suh, Ji Min Lee, Kye-Yong Song, Hwa Jung Ryu

Abstract

Background

Ablative CO2 fractional lasers have recently been introduced for burn scar treatment because of pronounced clinical outcomes with fewer treatment sessions than nonablative fractional laser.

Objective

This study was conducted to observe clinical as well as histologic changes of burn scars after treatment with CO2 fractional laser.

Materials and Methods

Eleven patients (one female and 10 males, aged 31–59 years) with skin phototypes III to V with burn scars received 10 sessions of fractional CO2 laser treatments (UltraPulse® Encore; Lumenis, Santa Clara, CA, USA) over an average 5-week interval. Two passes were performed using the following parameters: deep FX mode, 12.5–30 mJ, with a density setting of 5–10 %. Clinical evaluations by three blinded dermatologists were obtained at baseline and at 6 months after the final treatment via photographs using the Vancouver scar scale (VSS). Skin biopsies were done on four patients before and after treatment.

Results

All patients showed clinical improvement in their scars with significant decrease in VSS. Histologic findings showed the changes in the upper dermis with newly formed dermal papilla. This characteristic upper dermis change was presented as improvement in surface smoothness and skin tension clinically. Postinflammatory hyperpigmentation and itching sensation were the most common adverse effects.

Conclusion

Burn scar treatment by fractional CO2 laser is effective by forming new collagen fibers mainly in the upper dermis.

Level of Evidence IV

This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.​springer.​com/​00266.

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