ArticleAesthetic plastic surgery2026
The Split-Level Folding, Step-Type Tension-Relieving Suture Technique Improves the Wound Tensile Strength.
Article in Aesthetic plastic surgery, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundWound closure techniques are essential for skin and soft tissue repair following trauma or surgical procedures, with suturing being the most commonly employed method. Wound dehiscence is a serious postoperative complication, mostly caused by high tension and poor wound healing. The selection of an appropriate suturing method can improve the wound tensile strength and the healing process.
methodsIn this study, we proposed a novel double dermal flap suturing technique, Split-Level Folding, Step-Type Tension-Relieving Suture (STS), which increases the contact area between the two sides of the sutured wound. The elliptical dorsal rat wound model was applied to compare the difference among STS, Simple Interrupted Suture (SIS) and Buried Vertical Mattress Suture (BVMS). The wound tensile strength and healing process were evaluated via mechanical testing and histological analysis at different time points after suturing.
resultsOn day 7 post-suturing, the ultimate load of the wound in the STS group (5.225 ± 0.661) was significantly higher than that in the SIS group (1.750 ± 0.412) and the BVMS group (3.192 ± 0.327). This advantage persisted until day 14. In histological analysis, the STS group showed superior histological scores and collagen deposition compared to the other two groups on day 7.
conclusionThe STS technique increased the dermal contact area between the two sides of the sutured wound, improved the histological healing pattern, and enhanced the wound tensile strength. LEVEL OF EVIDENCE I: This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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