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  • Title: Various Applications of Purse-String Suture and Its Cosmetic Outcome in Cutaneous Surgical Defects.
    Author: Park S, Oh Y, Lee JW, Choi S, Nam KA, Roh MR, Chung KY.
    Journal: Ann Dermatol; 2023 Apr; 35(2):100-106. PubMed ID: 37041703.
    Abstract:
    BACKGROUND: Purse-string suture is a simple technique to reduce wound size and to achieve complete or partial closure of skin defects. OBJECTIVE: To classify situations in which purse-string sutures can be utilized and to assess the long-term size reduction and cosmetic outcome of the final scar. METHODS: Patients (93 from Severance hospital and 12 from Gangnam Severance hospital) in whom purse-string sutures were used between January 2015 and December 2019 were retrospectively reviewed. Wound site, final reconstruction method, repair duration, final wound size, and Vancouver scar scale were assessed. RESULTS: A total of 105 patients were reviewed. Lesions were located on the trunk (48 [45.7%]), limbs (32 [30.5%]), and face (25 [23.8%]). Mean ratio of wound length/primary defect length was 0.79±0.30. Multilayered purse-string suture showed the shortest duration from excision to final repair (p<0.001) and most effectively minimized the scar size (scar to defect size ratio 0.67±0.23, p=0.002). The average Vancouver scar scale measured at the latest follow-up visit at least 6 months postoperatively was 1.62, and the risk of hypertrophic scarring was 8.6%. There was no significant difference in the Vancouver scar scale and the risk of hypertrophic scarring between the different surgical method groups. CONCLUSION: Purse-string sutures can be utilized in many stages of reconstruction to effectively reduce scar size without compromising the final cosmetic outcome.
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