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  • Title: Comparison of Aesthetic Outcomes Between Vertical and Horizontal Flap Insets in Breast Reconstruction with the TRAM or DIEP Flaps.
    Author: Jeong WS, Han W, Eom JS.
    Journal: Aesthetic Plast Surg; 2017 Feb; 41(1):19-25. PubMed ID: 28032178.
    Abstract:
    BACKGROUND: Tissue transfer, such as use of the transverse rectus abdominis myocutaneous (TRAM) or deep inferior epigastric artery perforator (DIEP) free flaps, is considered a standard method. However, outcomes may vary among inset methods. Here we compared the aesthetic outcomes of breast reconstructions using vertical and horizontal flap inset methods. METHODS: We, respectively, reviewed 274 patients who underwent unilateral post-mastectomy breast reconstruction using TRAM or DIEP free flaps between April 2006 and December 2013. Photographs (frontal and bilateral oblique views) obtained 6 months post-operatively were evaluated. Symmetry scores and regional volume discrepancy scores were compared between the vertical and horizontal inset groups. Symmetry scores were adjusted for 11 potential confounding factors on multivariate regression analysis. RESULTS: The vertical inset method was associated with higher total symmetry scores, projection, and ptotic naturalness scores. On multivariate regression analysis, the inset method was an independent predictor of outcomes. Regional volume discrepancy score analysis showed a greater tendency for more symmetrical volumes in the upper, medial, and lateral poles with the vertical inset. CONCLUSION: The flap inset method is one of the key determinants of aesthetic breast reconstruction outcomes. The vertical inset method was associated with superior aesthetic outcomes and enabled balanced distribution of flap volume to the four poles of the breast. LEVEL OF EVIDENCE III: 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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