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首页> 外文期刊>Cochlear implants international >Radiologically assisted navigation in cochlear implantation for X-linked deafness malformation
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Radiologically assisted navigation in cochlear implantation for X-linked deafness malformation

机译：X线耳聋畸形的人工耳蜗放射辅助导航

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摘要

The XAinked deafness syndrome is characterised by a complex labyrinth malformation with a shortened cochlea with missing bony separation between the cochlea and internal auditory canal and a deviant route of the facial nerve. Cochlear implant surgery in this malformation may be complicated by an unintended electrode insertion into the internal auditory canal. The authors report a new surgical approach: intraopera-five three dimensional'Volume tomography (3D-VT) based navigation and direct intra-operative control by 3D-VT. The navigation dataset was based on intraoperative 3D-VT after performing the mastoidectomy and posterior tympanotomy. The cochleostomy was then performed under navigation control. After insertion, the electrode position was directly visualised by 3D-VT. On the basis of the reconstruction results, the electrode position was corrected and an intracochlear insertion resulted. Cochlear implantation in X-linked deafness malformation can be facilitated using intraoperative 3D'VT-assisted navigation and intraoperative 3D-VT control of the electrode position. This approach enhances the precision of navigation and reduces the risk of improper electrode placement and additional surgery in complex malformations.
机译：XAinked耳聋综合征的特征是复杂的迷宫畸形，耳蜗缩短，耳蜗和内耳道之间缺少骨分离，面神经路线异常。在这种畸形中进行的人工耳蜗植入手术可能会由于意外的电极插入内耳道而变得复杂。作者报告了一种新的外科手术方法：基于术中五维三维体积层析成像（3D-VT）的导航以及通过3D-VT进行术中直接控制。导航数据集基于进行乳突切除和后鼓室切开术后的术中3D-VT。然后在导航控制下进行耳蜗造口术。插入后，可通过3D-VT直接查看电极位置。根据重建结果，校正电极位置并导致耳蜗内插入。使用术中3D'VT辅助导航和术中3D-VT电极位置控制可促进X线耳聋畸形的人工耳蜗植入。这种方法提高了导航的精度，并减少了电极不正确放置和复杂畸形手术的风险。

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