Journal
AUSTRALASIAN JOURNAL OF DERMATOLOGY
Volume 63, Issue 2, Pages 172-189Publisher
WILEY
DOI: 10.1111/ajd.13790
Keywords
hypertrophic scar; management; review; treatment; wound healing
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This study conducted a meta-analysis on the treatment of hypertrophic scars (HTS) in adults. The results showed that silicone gel and laser modalities were effective in improving scar appearance. Additionally, the combination of silicone or 5-fluorouracil with intralesional triamcinolone was more effective than monotherapy. However, the study's limitations include the exclusion of studies that did not use the Vancouver Scar Scale and the need for further research on the efficacy of different treatment modalities.
Hypertrophic scars (HTS) are elevated scars which occur due to abnormalities in wound healing after injury and may be associated with pain, pruritus and functional impairment. Despite multiple available treatment options, there is no universal approach to treating HTS. We searched the Web of Science (Core Collection), MEDLINE and EMBASE databases. Title, abstract and full-text screening, along with data extraction, were performed in duplicate. Risk of bias was assessed using the Cochrane risk-of-bias tool. The Vancouver Scar Scale (VSS) scores and mean differences were used for meta-analysis. We screened 3800 abstracts and included 34 randomised controlled trials evaluating treatments for HTS in adults. Silicone and laser modalities improved VSS scores by 5.06 (95% CI: 6.78, 3.34) and 3.56 (95% CI: 5.58, 1.54), respectively. Intralesional triamcinolone combined with silicone or 5-fluorouracil was superior to intralesional triamcinolone monotherapy. Limitations of this study include exclusion of studies which did not utilise VSS, and pooling of studies based on common modalities. Further studies are needed to examine the efficacy of existing and emerging treatment modalities for HTS. Our study supports the treatment of HTS in adults with silicone gel or sheets, injected triamcinolone (preferably combined with 5-fluorouracil or silicone products), pulsed dye laser and fractionated CO2 laser.
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