Khaled El-Hoshy1,2,3,4,5, Mona R E Abdel-Halim1,2,3,4,5, Dina Dorgham1,2,3,4,5, Safinaz Salah El-Din Sayed1,2,3,4,5, Mona El-Kalioby1,2,3,4,5. 1. Dr. El-Hoshy is Professor of Dermatology. 2. Dr. Abdel-Halim is Diplomate of Dermatopathology and Professor of Dermatology. 3. Dr. Dorgham is Lecturer of Dermatology. 4. Dr. El-Din Sayed is Professor of Histology. 5. Ms. El-Kalioby is Assistant Lecturer of Dermatology with Cairo University in Cairo, Egypt.
Abstract
OBJECTIVE: The purpose of this study was to evaluate the efficacy of fractional carbon dioxide laser use in the treatment of mature burn scars. DESIGN: This was an uncontrolled, open-label clinical trial. SETTING: The setting for this study was Dermatology Department at Cairo University in Cairo, Egypt. PARTICIPANTS: Twenty patients with mature burn scars were included in the study. MEASUREMENTS: Three fractional carbon dioxide laser sessions were given, 4 to 8 weeks apart. Primary outcome was measured using two scar scales, the Vancouver Scar Scale and the Patient and Observer Scar Assessment Scale. Secondary outcomes included evaluation of collagen and elastic fibers using routine hematoxylin and eosin, Masson's trichrome, and orcein stains. Outcomes were measured two months after the last laser session. RESULTS: Both Vancouver Scar Scale and Patient and Observer Scar Assessment Scale showed significant reduction following treatment (p<0.001). Scar relief and pliability improved most followed by vascularity. Pigmentation improved the least. Percent improvement in Patient and Observer Scar Assessment Scale patients' overall assessment was 44.44 percent. The pattern and arrangement of collagen and elastic fibers showed significant improvement (p<0.001, p=0.001, respectively), together with significant improvement in their amounts (p=0.020, p<0.001, respectively). No significant correlation existed between clinical and histopathological/histochemical scores. Side effects and complications were mild and tolerable. CONCLUSION: Fractional carbon dioxide laser use is an effective and safe method for treating burn scars with a significant change in the opinion of the patients about their scar appearance.
OBJECTIVE: The purpose of this study was to evaluate the efficacy of fractional carbon dioxide laser use in the treatment of mature burn scars. DESIGN: This was an uncontrolled, open-label clinical trial. SETTING: The setting for this study was Dermatology Department at Cairo University in Cairo, Egypt. PARTICIPANTS: Twenty patients with mature burn scars were included in the study. MEASUREMENTS: Three fractional carbon dioxide laser sessions were given, 4 to 8 weeks apart. Primary outcome was measured using two scar scales, the Vancouver Scar Scale and the Patient and Observer Scar Assessment Scale. Secondary outcomes included evaluation of collagen and elastic fibers using routine hematoxylin and eosin, Masson's trichrome, and orcein stains. Outcomes were measured two months after the last laser session. RESULTS: Both Vancouver Scar Scale and Patient and Observer Scar Assessment Scale showed significant reduction following treatment (p<0.001). Scar relief and pliability improved most followed by vascularity. Pigmentation improved the least. Percent improvement in Patient and Observer Scar Assessment Scale patients' overall assessment was 44.44 percent. The pattern and arrangement of collagen and elastic fibers showed significant improvement (p<0.001, p=0.001, respectively), together with significant improvement in their amounts (p=0.020, p<0.001, respectively). No significant correlation existed between clinical and histopathological/histochemical scores. Side effects and complications were mild and tolerable. CONCLUSION: Fractional carbon dioxide laser use is an effective and safe method for treating burn scars with a significant change in the opinion of the patients about their scar appearance.
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