Precision of three-dimensional stereo-photogrammetry (3dMD™) in anthropometry of the auricle and its application in microtia reconstruction
Precision of three-dimensional stereo-photogrammetry (3dMD™) in anthropometry of the auricle and its application in microtia reconstruction
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DOI：
10.1016/j.bjps.2015.02.020
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发表时间：
2015-05-01
影响因子：
2.7
通讯作者：
Chen, Philip Kuo-Ting
中科院分区：
文献类型：
--
作者：
Chen, Zung-Chung;Albdour, Mohammad Nayef;Chen, Philip Kuo-Ting
背景资料：近年来，三维立体摄影测量的出现极大地帮助了颅颌面领域在术前和术中决策方面的改善。关于耳廓，虽然，有很少的研究，以应用这项有前途的technology.Methods：共20例正常成人耳纳入这项研究。进行了13次人体测量，两次由两名整形外科医生使用直接测量（DM）和通过3dMD（TM）捕获的图像。结果：DM和3dMD（TM）的耳体测量值的平均绝对差（MAD）为0.52mm（范围：0.28-0.72 mm）和0.27 mm（范围：0.15-0.53 mm），总平均相对误差幅度（REM）为2.85%（范围：1.01-5.99%）和1.57%（范围：0.48-3.62%）。因此，在这两种方法中，观察者的所有耳朵人体测量的精度都很高，但无论观察者如何，3dMD的精度都优于DM。此外，MAD小于一毫米，在所有measurement.Conclusion：应用三维技术在小耳畸形手术的模板生产和软组织分析导致改善规划和满意的结果，并发症少。我们相信，通过进一步的改进和提高，这种创新的使用将为预制的、个性化的自体或生物相容性异体植入式框架铺平道路，该框架基于每个患者在单侧病例和双侧病例中的正常耳朵的准确镜像，尺寸适当。(C)2015年英国整形、重建和美容外科医生协会。由爱思唯尔有限公司出版。保留所有权利。
Background: The advent of three-dimensional stereo-photogrammetry in recent years has vastly helped the craniomaxillofacial field improve in terms of preoperative and intraoperative decision making. With regard to the auricle though, there is paucity of research as to the application of this promising technology.Methods: A total of 20 normal adult ears were included in this study. Thirteen anthropometric measurements were taken, twice by two plastic surgeons using direct measurement (DM) and through images captured via 3dMD(TM). The purpose was to compare the reliability of measurements involving the two instruments.Results: The overall mean absolute differences (MADs) of all ear anthropometries of DM and 3dMD(TM) were 0.52 mm (range: 0.28-0.72 mm) and 0.27 mm (range: 0.15-0.53 mm), respectively, and the grand mean relative error magnitudes (REMs) were 2.85% (range: 1.01-5.99%) and 1.57% (range: 0.48-3.62%), respectively, across observers. Thus, the precision of all ear anthropometries across observers was high in both methods, but the precision of 3dMD was better than DM irrespective of observers. In addition, the MADs were less than a millimeter across all measurements.Conclusion: The application of three-dimensional technology in microtia surgery for both template production and soft tissue analysis leads to improved planning and satisfactory results with fewer complications. We believe that with further refinement and enhancement, the use of this innovation will pave the way for prefabricated, individualized autologous or biocompatible alloplastic implantable frameworks based on an accurate mirror image of each patient's normal ear in unilateral cases and in bilateral cases, appropriately sized. (C) 2015 British Association of Plastic, Reconstructive and Aesthetic Surgeons. Published by Elsevier Ltd. All rights reserved.