使用三维风险参数对股骨头植入物进行术中荧光透视安全性评估,以最大限度地减少切口。

IF 1.1 4区 医学 Q3 ORTHOPEDICS
Ömer Subaşı, Lercan Aslan, Atacan Oral, Mehmet Demirhan, Aksel Seyahi, İsmail Lazoğlu
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引用次数: 0

摘要

目的:本研究旨在介绍一种从二维荧光透视投影中提取股骨头植入物的三维空间位置的方法,使外科医生能够更准确地评估固定情况,并防止股骨近端钉扎中的切口并发症。方法:为了定义股骨头尖端的安全区域,引入了一种新的基于三维距离的风险参数TSD3D。开发了一种交叉算法,该算法仅采用荧光透视前后和横向距离来揭示螺钉或克氏针尖端的三维位置,从而能够利用三维参数。在荧光镜下对6个随机插入克氏针的股骨近端骨替代物进行正交透视成像。所开发的算法用于根据每种情况的二维图像计算植入物尖端的三维位置。通过计算机断层扫描获得的相同股骨替代物的三维模型验证了算法的准确性。结果:新引入的风险参数成功地可视化了三维安全区域。利用二维荧光距离作为算法的输入,计算植入的克氏针尖端的三维位置,单个笛卡尔坐标测量比较的最大误差为9.8%。结论:通过引入新引入的三维风险参数,外科医生可以更准确地评估植入物的位置,避免切口并发症,而不是仅仅依赖于股骨头的误导性二维荧光透视投影。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Intraoperative fluoroscopic safety assessment of femoral head implants with 3-dimensional risk parameters to minimize cut-out.

Intraoperative fluoroscopic safety assessment of femoral head implants with 3-dimensional risk parameters to minimize cut-out.

Intraoperative fluoroscopic safety assessment of femoral head implants with 3-dimensional risk parameters to minimize cut-out.

Intraoperative fluoroscopic safety assessment of femoral head implants with 3-dimensional risk parameters to minimize cut-out.

Objective: This study aimed to introduce a method to extract the 3-dimensional spatial position of the femoral head implant from 2-dimensional fluoroscopic projections, allowing surgeons to assess fixation much more accurately and prevent cut-out complications in proximal femoral nailing.

Methods: To define a safety region for the tip in the femoral head, a novel 3-dimensional distance-based risk parameter called TSD3D was introduced. An intersection algorithm was developed that solely takes the fluoroscopic anteroposterior and lateral distances to reveal the 3-dimensional location of the screw or Kirschner wire tip, enabling the utilization of the 3-dimensional parameter. Orthogonal per- spectives of 6 femur proximal bone substitutes with randomly inserted Kirschner wires were imaged under fluoroscopy. The developed algorithm was used to calculate the implant tip location in 3-dimensional from 2-dimensional images for each case. Algorithm accuracy was validated with the computed tomography-obtained 3-dimensional models of the same femur substitutes.

Results: The newly introduced risk parameter successfully visualizes 3-dimensional safety regions. Utilizing the 2-dimensional fluoro- scopic distances as inputs to the algorithm, the 3-dimensional position of the implanted Kirschner wire tip is calculated with a maximum of 9.8% error for a single Cartesian-coordinate measurement comparison.

Conclusion: By incorporating the newly introduced 3-dimensional risk parameter, surgeons can more precisely evaluate the position of the implant and avoid cut-out complications, instead of relying solely on misleading 2-dimensional fluoroscopic projections of the femoral head.

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来源期刊
CiteScore
2.00
自引率
0.00%
发文量
66
审稿时长
>12 weeks
期刊介绍: Acta Orthopaedica et Traumatologica Turcica (AOTT) is an international, scientific, open access periodical published in accordance with independent, unbiased, and double-blinded peer-review principles. The journal is the official publication of the Turkish Association of Orthopaedics and Traumatology, and Turkish Society of Orthopaedics and Traumatology. It is published bimonthly in January, March, May, July, September, and November. The publication language of the journal is English. The aim of the journal is to publish original studies of the highest scientific and clinical value in orthopedics, traumatology, and related disciplines. The scope of the journal includes but not limited to diagnostic, treatment, and prevention methods related to orthopedics and traumatology. Acta Orthopaedica et Traumatologica Turcica publishes clinical and basic research articles, case reports, personal clinical and technical notes, systematic reviews and meta-analyses and letters to the Editor. Proceedings of scientific meetings are also considered for publication. The target audience of the journal includes healthcare professionals, physicians, and researchers who are interested or working in orthopedics and traumatology field, and related disciplines.
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