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Repair of Orbital Post-Traumatic Wall Defects by Custom-Made TiNi Mesh Endografts

1
Tomsk Cancer Research Institute, Tomsk National Research Medical Center of the Russian Academy of Sciences, Tomsk 634028, Russia
2
Research Institute of Medical Materials, Tomsk State University, Tomsk 634045, Russia
3
Kang and Park Medical Co., R&D Center, Ochang 28119, Korea
4
SMG-SNU Boramae Medical Center, Seoul National University, College of Medicine, Seoul 07061, Korea
5
Department of Physical Metallurgy and Materials Technology, Brandenburg University of Technology, 03044 Cottbus, Germany
*
Author to whom correspondence should be addressed.
J. Funct. Biomater. 2019, 10(3), 27; https://doi.org/10.3390/jfb10030027
Received: 10 May 2019 / Revised: 12 June 2019 / Accepted: 24 June 2019 / Published: 27 June 2019
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PDF [1770 KB, uploaded 27 June 2019]
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Abstract

Repairs of orbital post-traumatic and extensive malignant defects remain a major surgical challenge, in view of follow-up outcomes. Incorrect surgical management of injured facial structures results in cosmetic, ophthalmic, and social aftereffects. A custom-made knitted TiNi-based mesh (KTNM) endograft was employed to overcome post-surgical complications and post-resected lesions of the orbital area. Preoperative high-resolution computed tomography (CT) imaging and CAD modelling were used to design the customized KTNM in each case. Twenty-five patients underwent surgery utilizing the suggested technique, from 2014 to 2019. In all documented cases, resolution of the ophthalmic malfunction was noted in the early period. Follow-up observation evidenced no relapsed enophthalmos, hypoglobus, or diplopia as late complications. The findings emanating from our clinical observations allow us to claim that the KTNM indicated a high level of biocompatibility. It is simply modified intraoperatively to attach any desired shape/size for implantation and can also be screw-fixed, providing a good supporting ability. The KTNM precisely renders orbitozygomatic outlines and orbital floor, thus recovering the anatomical structure, and is regarded as an attractive alternative to Ti-based meshes and plates. Additionally, we report one of the studied cases, where good functional and cosmetic outcomes have been achieved. View Full-Text
Keywords: diplopia; enophthalmos; orbital defect repair; TiNi mesh diplopia; enophthalmos; orbital defect repair; TiNi mesh
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Shtin, V.; Novikov, V.; Chekalkin, T.; Gunther, V.; Marchenko, E.; Choynzonov, E.; Kang, S.B.; Chang, M.J.; Kang, J.H.; Obrosov, A. Repair of Orbital Post-Traumatic Wall Defects by Custom-Made TiNi Mesh Endografts. J. Funct. Biomater. 2019, 10, 27.

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