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         wall repair,  PHASIX   knitted  mesh  (Tepha) demonstrated   CONCLUSION
         burst  strength  significantly  greater  than native  tissue  at
         all points up to one year.  As with silk scaffolds, a variety   The concept  of an implantable internal bra continues to
                              [42]
         of uses for constructs based on PHB have been explored,   evolve. Third generation  biomaterials  designed to act as
         including heart valves.  Clinical trial results for GalaFLEX ®   templates that resorb and initiate tissue neogenesis address
                           [43]
         (P4HB mesh) in breast surgery have not yet been reported   many of the issues posed by non-resorbable materials and
         but a trial in  mastopexy and reduction mammoplasty  is   acellular matrices,  but  have  only  recently  become  widely
         ongoing.                                            available and less is known about complication rates and
                                                             best  practices.  As  indications  become  better  defined  and
         A composite mesh comprised of fast-absorbing and slow-  clinical experience grows, the use of these materials appears
         absorbing  fibers has also been explored (TIGR  Matrix   poised to usher in a new generation of regenerative surgery.
                                                   ®
         surgical  mesh,  Novus  Scientific.)  At  an  average  follow-up
         of 16 months, a favorable complication rate was observed   Financial support and sponsorship
         in a case series of breast reconstruction, revision implant   Nil.
         surgery, and primary aesthetic procedures.
                                            [44]
                                                             Conflicts of interest
         Because third generation meshes facilitate subcutaneous   There are no conflicts of interest.
         placement, mastopexy may be performed without
         parenchymal disruption or reliance on a tight skin envelope.
         For all internal bra materials, the ability to offload the weight   REFERENCES
         of  the  breast  during  the  transition  from  graft  to  host  is   1.   Grewal NS, Fisher J. Why do  patients seek revisionary breast  surgery?
         critical. Quickly-resorbing materials lose support before host   Aesthet Surg J 2013;33:237-44.
         tissue can develop, so the ability of the material to induce or   2.   Forster NA, Künzi W, Giovanoli P. The reoperation cascade  after breast
         support ingrowth or replacement by host issue is an important   augmentation with implants: what the patient needs to know. J Plast Reconstr
                                                                 Aesthet Surg 2013;66:313-22.
         variable. In practice, it is important to take advantage of the   3.   Wessels L, Murphy S, Merten S. The capsular hammock flap for correction of
         internal bra concept by adapting the skin envelope of the   breast implant ptosis. Aesthetic Plast Surg 2014;38:354-7.
         breast to the shape created by the material and close incisions   4.   Bogdanov-Berezovsky A, Silberstein E, Shoham Y, Krieger Y. Capsular flap:
         under minimal tension. This may minimize the potential for   5.   new applications. Aesthetic Plast Surg 2013;37:395-7.
                                                                 Johnson GW. Central core reduction mammoplasties and Marlex suspension
         would  breakdown  and  exposure  of  the  material.  Minimal   of breast tissue. Aesthetic Plast Surg 1981;5:77-84.
         tension closure may reduce the potential for hypertrophic   6.   de Bruijn  HP, Johannes S. Mastopexy  with  3D preshaped mesh for long-
         scarring as well. The ability to shape the breast mound as a   term results: development of the internal bra system. Aesthetic Plast Surg
                                                                 2008;32:757-65.
         composite unit of implant and parenchyma by wrapping in a   7.   Góes JC. Periareolar mastopexy: double skin technique with mesh support.
         subcutaneous internal bra may prevent long-term problems of   Aesthet Surg J 2003;23:129-35.
         differential implant or breast ptosis.              8.   Dieterich M, Stubert J, Gerber B, Reimer T, Richter DU. Biocompatibility, cell
                                                                 growth and clinical relevance of synthetic meshes and biological matrixes
                                                                 for internal support in implant-based breast  reconstruction.  Arch Gynecol
         DISCUSSION                                              Obstet 2015;291:1371-9.
                                                             9.   Dixon JM, Arnott I, Schaverien M.J  Chronic abscess  formation  following
                                                                 mesh mastopexy: case report. Plast Reconstr Aesthet Surg 2010;63:1220-2.
         By  restoring  support due  to  attenuated  or weak tissues,   10.  Duncan DI. Correction of implant rippling using allograft dermis. Aesthet Surg
         revision surgery for combination problems may find a unifying   J 2001;21:81-4.
         solution with the internal bra. Despite the paucity of robust   11.  Baxter RA. Intracapsular allogenic dermal grafts for breast implant-related
                                                                 problems. Plast Reconstr Surg 2003;112:1692-6.
         long-term data for newer materials, they are finding a role in   12.  Baxter RA. Long-term follow-up with AlloDerm in breast reconstruction.
         clinical practice. Each has its own limitations and advantages   Plast Reconstr Surg Glob Open 2013;1:1-2.
         [Table 3]. Although there are general characteristics that are   13.  Baxter RA. Acellular dermal matrices in breast implant surgery: defining the
         desirable across the category, different applications require   problem and proof of concept. Clin Plast Surg 2012;39:103-12.
         specific mesh attributes. In revision surgery, elasticity and   14.  Boone MA, Draye JP, Verween G, Aiti A, Pirnay JP, Verbeken G, De Vos D,
                                                                 Rose T, Jennes S, Jemec GB, Del Marmol V. Recellularizing of human acellular
         expandability may be disadvantages while they are plusses   dermal matrices imaged by high-definition optical coherence tomography.
         for tissue expansion. Placement in the subcutaneous layer   Exp Dermatol 2015;24:349-54.
         is necessary for mastopexy, but placement too superficially   15.  Spear  SL, Sher SR, Al-Attar A, Pittman T. Applications of  acellular dermal
                                                                 matrix  in revision  breast  reconstruction  surgery.  Plast Reconstr  Surg
         may result in unacceptable palpability or risk of exposure,   2014;133:1-10.
         while in a deeper layer, non-take may be a concern because   16.  Pozner JN, White JB, Newman MI. Use of porcine acellular dermal matrix in
                                                                 revisionary cosmetic breast augmentation. Aesthet Surg J 2013;33:681-90.
         of less vascularity. The consequences of non-take for second   17.  Maxwell GP, Gabriel A. Efficacy of acellular dermal matrices in revisionary
         and third generation materials include exposure, infection,   aesthetic breast surgery: a 6-year experience. Aesthet Surg J 2013;33:389-99.
         and possible need for removal of both the material and   18.  Cayci C, Santner F, Jacobson SR. Impact and outcome of human acellular
         implant. As application-specific characteristics such as pore   dermal matrix size for immediate and two-stage breast reconstruction. Plast
                                                                 Reconstr Surg 2013;132:11-8.
         size, fiber size, monofilament vs. multifilament, degradation   19.  Salzberg CA. Focus  on technique: one-stage  implant-based breast
         profiles, and textile engineering become better understood,   reconstruction. Plast Reconstr Surg 2012;130:S95-103.
         these materials will be better optimized. The introduction   20.  Topol BM. The use of human acellular dermal matrices in irradiated breast
                                                                 reconstruction. Clin Plast Surg 2012;39:149-58.
         of fixation devices and 3-dimensionally shaped constructs   21.  Salzberg  CA,  Ashikari  AY, Koch  RM, Chabner-Thompson  E.  An 8-year
         may broaden the appeal of the internal bra.             experience of  direct-to-implant immediate  breast  reconstruction  using
         6                                                                    Plast Aesthet Res || Vol 3 || Issue 1 || Jan 15, 2016
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