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KMID : 0853020080110020127
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Journal of Korean Burn Society
2008 Volume.11 No. 2 p.127 ~ p.130
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Clinical Application of Fractional Phothothermolysis on Hypertrophic Scar
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Cho Dong-Phil
Choi Jai-Koo
Lee Jong-Wook
Seo Dong-Kook
Ko Jang-Hyu
Jang Young-Chul
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Abstract
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Purpose: Hypertrophic scars from burn or trauma remains a therapeutically challenging condition for many doctors. Despite many methods, surgical treatment is the final option for patients. FP (Fraxel laser; Reliant technologies, CA, USA) is a novel concept of cutaneous resurfacing with induces microscopic thermal injury. This study evaluated the effectiveness and safety of 1,550 nm FP in the treatment of hypertrophic scars.
Methods: This research was surveyed from December 2007 to October 2008 using ten patients. The patients with burns or traumatic hypertrophic scars received 3 to 5 sessions of FP (Fraxel laser; Reliant technologies, CA, USA) in 3 week intervals. Responses were monitored by physicians who evaluate the digital photographs. The patient’s perceived degrees of improvement were assessed after the final treatment. Sonography is our objective instrument for the evaluation of scar depth.
Results: Physician clinical assessment after the final FP treatment revealed improvements of 50 to 60 percent in Hypertrophic scaring. All patients reported significant improval 3 months after their previous treatment. Sonorgraphy showed us an improvement rate of about 30 to 45 percent in the scar depth. Side effects were limited to mild pain during the treatment along with erythema and edema. Alll which resolved in 3 to 7 days.
Conclusion: Fractional photothermolysis is a potentially effective modality for the treatment of hypertrophic scaring with minimal adverse effect. Clinical trials to determine optimal parameters for treatment and to define the mechanism of action should be pursued.
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KEYWORD
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Hypertrophic scar, Fractional photothermolysis, Fraxel®
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