Numerical analysis of the V-Y shaped advancement flap

Medical Engineering & Physics
D RemacheE Jacquet

Abstract

The V-Y advancement flap is a usual technique for the closure of skin defects. A triangular flap is incised adjacent to a skin defect of rectangular shape. As the flap is advanced to close the initial defect, two smaller defects in the shape of a parallelogram are formed with respect to a reflection symmetry. The height of the defects depends on the apex angle of the flap and the closure efforts are related to the defects height. Andrades et al. 2005 have performed a geometrical analysis of the V-Y flap technique in order to reach a compromise between the flap size and the defects width. However, the geometrical approach does not consider the mechanical properties of the skin. The present analysis based on the finite element method is proposed as a complement to the geometrical one. This analysis aims to highlight the major role of the skin elasticity for a full analysis of the V-Y advancement flap. Furthermore, the study of this technique shows that closing at the flap apex seems mechanically the most interesting step. Thus different strategies of defect closure at the flap apex stemming from surgeon's know-how have been tested by numerical simulations.

References

Jul 1, 1972·British Journal of Plastic Surgery·G D Lister, T Gibson
Jun 24, 1998·Journal of Theoretical Biology·H R ChaudhryA B Ritter
Jan 8, 2000·Plastic and Reconstructive Surgery·D Y Chu
Sep 14, 2001·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·V RetelA Burtheret
Apr 30, 2005·Plastic and Reconstructive Surgery·Patricio R AndradesSusana Benitez
Apr 17, 2008·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·A DelalleauJ-M Bergheau
Apr 20, 2012·Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS·J PauchotE Jacquet

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Citations

Apr 4, 2017·Skin Research and Technology : Official Journal of International Society for Bioengineering and the Skin (ISBS) [and] International Society for Digital Imaging of Skin (ISDIS) [and] International Society for Skin Imaging (ISSI)·E JacquetP Sandoz
May 16, 2020·Computational and Mathematical Methods in Medicine·Zong-Lin YangYan Zhao
Mar 24, 2021·Journal of the Mechanical Behavior of Biomedical Materials·Casey StowersAdrian Buganza Tepole

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