Inframammary Fold Reconstruction: A Biomechanical Analysis.

Plast Reconstr Surg Glob Open

Brustzentrum, Municipal Hospital Holweide, Cologne, Germany; Department of Gynecology and Obstetrics, Municipal Hospital Holweide, Cologne, Germany; Department of Radiology, Municipal Hospital Holweide, Cologne, Germany; Department of Anatomy, RWTH Aachen University, Aachen, Germany; Department of Anatomy II, University of Cologne, Cologne, Germany; and Department of Gynecology and Obstetrics, University of Cologne, Cologne, Germany.

Published: March 2016

AI Article Synopsis

  • Inframammary fold reconstruction has been under-researched, with no prior biomechanical comparisons of methods until this study assessed a new anchor system against traditional sutures.
  • The study involved 57 specimens divided into three groups, and mechanical testing indicated that the anchor system was significantly stronger than the standard suture method, achieving higher ultimate loads and stiffness.
  • The results suggest that the anchor system provides superior stability for inframammary fold reconstruction, making it a viable alternative to traditional sutures.

Article Abstract

Background: Inframammary fold reconstruction has scarcely been evaluated in literature. No biomechanical analyses have been performed comparing different reconstructive methods. This evaluation compares the gold-standard suture reconstruction with an intrarib anchor system (Micro BioComposite SutureTak, Arthrex).

Methods: Three analysis groups were compared including 8 Sawbone blocks, 22 embalmed cadaver, and 27 regular cadaver specimens (N = 57). Transient mechanical analysis was performed at 5 N/s using an Instron 5565 test frame.

Results: Ultimate load favored the anchor system (compared with the gold-standard suture) by a factor of 9.8 (P < 0.0001) for the regular cadaver group and a factor of 1.7 (P < 0.038) for the embalmed cadaver group. A similar statistically significant benefit was shown for stiffness and load at 2-mm displacement.

Conclusions: This analysis showed an anchor system to be the biomechanically superior fixation method in terms of ultimate load, fixation stiffness, and displacement at failure when compared with the gold-standard suture method in inframammary fold reconstruction. Because of superior stability in every aspect, an anchor system may be considered for inframammary fold reconstruction.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4874278PMC
http://dx.doi.org/10.1097/GOX.0000000000000568DOI Listing

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