Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation

Abstract The aim of this study was to evaluate the efficacy and feasibility of a life-size 3-dimensional printing assisted posterior internal fixation. We performed a retrospective review of 138 patients who received posterior atlantoaxial internal fixation from October 2009 to March 2015 with a min...

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Autores principales:	Minyi Yang, Nannan Zhang, Haodong Shi, Hui Li, Shichang Liu, Zongrang Song, Lequn Shan, Qining Wu, Dingjun Hao
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/d6ba30686e894a779ee8cde78e01fdc5
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spelling	oai:doaj.org-article:d6ba30686e894a779ee8cde78e01fdc52021-12-02T15:08:02ZThree-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation10.1038/s41598-018-29426-22045-2322https://doaj.org/article/d6ba30686e894a779ee8cde78e01fdc52018-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-29426-2https://doaj.org/toc/2045-2322Abstract The aim of this study was to evaluate the efficacy and feasibility of a life-size 3-dimensional printing assisted posterior internal fixation. We performed a retrospective review of 138 patients who received posterior atlantoaxial internal fixation from October 2009 to March 2015 with a minimum follow-up period of 12 months. Group A included 76 patients who received the conventional free-hand technique. Group B included 62 patients who were treated with internal fixation assisted by 3D printing. The placement accuracy of the screw was evaluated in the computed tomography images according to the methods of Hojo and clinical outcomes were evaluated using the visual analogue scale, the Japanese Orthopedic Association Score, and the Neck Disability Index score. There were no significant differences in the clinical results at any of the follow-up time points regarding the JOA, VAS, or NDI scores between two group. However, compared to Group A, Group B had better results for screw installation (P = 0.003), shorter surgery time (P = 0.001), and less blood loss (P = 0.037). Compared to the conventional free-hand technique, 3D printed model–assisted is helpful to screw placement in atlantoaxial internal fixation, which can be used as a common tool to provides important guidance for upper cervical surgery.Minyi YangNannan ZhangHaodong ShiHui LiShichang LiuZongrang SongLequn ShanQining WuDingjun HaoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-9 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Minyi Yang Nannan Zhang Haodong Shi Hui Li Shichang Liu Zongrang Song Lequn Shan Qining Wu Dingjun Hao Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation
description	Abstract The aim of this study was to evaluate the efficacy and feasibility of a life-size 3-dimensional printing assisted posterior internal fixation. We performed a retrospective review of 138 patients who received posterior atlantoaxial internal fixation from October 2009 to March 2015 with a minimum follow-up period of 12 months. Group A included 76 patients who received the conventional free-hand technique. Group B included 62 patients who were treated with internal fixation assisted by 3D printing. The placement accuracy of the screw was evaluated in the computed tomography images according to the methods of Hojo and clinical outcomes were evaluated using the visual analogue scale, the Japanese Orthopedic Association Score, and the Neck Disability Index score. There were no significant differences in the clinical results at any of the follow-up time points regarding the JOA, VAS, or NDI scores between two group. However, compared to Group A, Group B had better results for screw installation (P = 0.003), shorter surgery time (P = 0.001), and less blood loss (P = 0.037). Compared to the conventional free-hand technique, 3D printed model–assisted is helpful to screw placement in atlantoaxial internal fixation, which can be used as a common tool to provides important guidance for upper cervical surgery.
format	article
author	Minyi Yang Nannan Zhang Haodong Shi Hui Li Shichang Liu Zongrang Song Lequn Shan Qining Wu Dingjun Hao
author_facet	Minyi Yang Nannan Zhang Haodong Shi Hui Li Shichang Liu Zongrang Song Lequn Shan Qining Wu Dingjun Hao
author_sort	Minyi Yang
title	Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation
title_short	Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation
title_full	Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation
title_fullStr	Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation
title_full_unstemmed	Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation
title_sort	three-dimensional printed model-assisted screw installation in treating posterior atlantoaxial internal fixation
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/d6ba30686e894a779ee8cde78e01fdc5
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Three-Dimensional Printed Model-Assisted Screw Installation in Treating Posterior Atlantoaxial Internal Fixation

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