Abstract
Keloids and hypertrophic scars could impair the psychological, physical, and cosmetic aspects of the patient's quality of life. Unfortunately, there is no curative treatment available till now. This study aimed to evaluate the efficacy and safety of intralesional vs topical botulinum toxin A combined with Fractional CO2 laser in the treatment of hypertrophic scars and keloids. Twenty patients with Keloids and hypertrophic scars were enrolled in the study. Each scar was divided into two halves, one subjected to intralesional injection of botulinum toxin type A once a month for 4 months and the other was subjected to four sessions of CO2 laser therapy at 1 month interval followed by topical application of botulinum toxin A. Significant improvement was noted in Vancouver Scar Scale in hypertrophic scars in laser group than intralesional botulinum toxin A. In keloid cases, the improvement was significantly higher with intralesional botulinum toxin A. Clinical improvement showed significant negative correlation with scar duration and size. Botulinum toxin A is a promising treatment for hypertrophic scars and keloids. The use of fractional CO2 laser as a mode of delivery enhanced the efficacy of botox in hypertrophic scars.
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