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The following databases were used in the search: PubMed, Embase, Cochrane (CENTRAL), LILACS, SciELO, Scopus and Web of Science, on October 27, 2022. Studies that described a surgical technique for correcting syndactyly and evaluated surgical complications were included. Studies about noncongenital or foot syndactyly were excluded. The risk of bias was assessed using a specific method for case reports. For synthesis of results, the characteristics of the studies and techniques were demonstrated by a qualitative analysis. Meta-analysis models were applied for complications, functionality, and aesthetic. Seventy-three studies were included, of which 70 were series or case reports, 27 studies did not use skin grafts, and 7 studies used external fixators. To evaluate functional results, 42 studies used only the surgeon\u2019s opinion. Meta-analyses showed a higher incidence of scar defects when using skin grafts and of infection when using external fixators. There was no difference for web creep and readmission. 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