Does the Duration of Hypertrophic Scars and Keloids Affect the Response to Fractional CO2 Laser?, OMAR A. AZZAM, DALIA A. BASSIOUNY, MARWA S. EL-HAWARY, REHAB M. SOBHI and MARWA S. EL-MESIDY
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- Category: Vol. 83, March 2015
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Does the Duration of Hypertrophic Scars and Keloids Affect the Response to Fractional CO2 Laser?, OMAR A. AZZAM, DALIA A. BASSIOUNY, MARWA S. EL-HAWARY, REHAB M. SOBHI and MARWA S. EL-MESIDY
Abstract
Background: Hypertrophic scars and keloids may cause cosmetic problem to patients. Therapeutic use of lasers with different wavelengths has been investigated. Younger scars of less than one year duration are usually expected to respond better.
Methods: 4 fractional CO2 laser sessions were done 6 weeks apart on half of each scar on the total thirty patients. Vancouver scar score (VSS) was done before, one, three and 6 months after the last laser session by a blinded observer. Correlations between percent change of the VSS and the scar duration and between the VSS and the age of the patient were assessed to determine predictors of better response to laser.
Results: Nineteen patients completed the six month follow-up period (12K, 7HTS). VSS score was significantly lower in the treated compared to untreated areas after 3 and 6 months in both K and HTS. The percentage of reduction in VSS score was not correlated with patients' age or duration of scar.