腹主动脉瘤形态学二维断面和三维立体测量的误差分析

doi:10.7523/j.issn.2095-6134.2018.05.006

中国科学院大学学报 ›› 2018, Vol. 35 ›› Issue (5): 607-611.DOI: 10.7523/j.issn.2095-6134.2018.05.006

腹主动脉瘤形态学二维断面和三维立体测量的误差分析

尉驰俊¹, 邱越¹, 袁丁², 郑庭辉¹

1. 四川大学建筑与环境学院力学系, 成都 610207;
2. 四川大学华西医院血管外科, 成都 610000

收稿日期:2018-05-14 修回日期:2018-07-10 发布日期:2018-09-15
通讯作者: 郑庭辉
基金资助:
国家自然基金（81500370）资助

Comparison of the measured morphology parameters of an abdominal aortic aneurysm between the 2D and 3D techniques

WEI Chijun¹, QIU Yue¹, YUAN Ding², ZHENG Tinghui¹

1. College of Architecture and Environment, Sichuan University, Chengdu 610207, China;
2. Vascular Surgery of West China Hospital, Sichuan University, Chengdu 610000, China

Received:2018-05-14 Revised:2018-07-10 Published:2018-09-15

摘要/Abstract

摘要： 为了解腹主动脉瘤二维断面测量方法与三维立体测量方法测量结果的差别，应用CT图像与MIMICS软件对34例腹主动脉瘤（AAA）进行3D模型重建，并通过二维断面测量与三维立体测量的方法，把各项测量参数进行比较。结果表明，动脉直径测量误差在15%以内，在AAA最大截面长短轴等长度较大的参数上误差表现明显。角度参数存在大角度误差较小，小角度误差较大的现象。此外，三维测量所得AAA的表面积与体积破裂组和非破裂组均存在显著差异，而髂总动脉则存在显著个体差异。本文有如下结论：二维断面测量方法所得的数据与真实值之间存在着较大的误差。建议临床上使用更为精准的三维立体测量方法。

关键词: 腹主动脉瘤, 二维断面测量, 三维立体测量, 误差, 形态学

Abstract: The purpose of this study is to find out the measured morphology differences of a patient-specific abdominal aortic aneurysm (AAA) between the 2D and 3D image technique. The 34 AAA models were reconstructed based on the computed tomography scan images using Mimics software, and the geometry parameters were measured and compared with those values using the 2D images.Compared with the results using the 3D model, the measurement errors in the artery diameters using the 2D images were less than 15%, but the errors in some parameters such as the longest and shortest axes of the maximum cross section of the AAA were significant. In addition, the angle parameters showed big differences between the two different measurement methods. The conclusions are that the parameter values measured using the 2D images were far from the values measured using the 3D models. We suggest to measure the morphology parameters of a patient-specific AAA using the 3D images for clinic practice.

Key words: abdominal aortic aneurysm, 2D measurement, 3D measurement, error, morphology

中图分类号:

R732.2

尉驰俊, 邱越, 袁丁, 郑庭辉. 腹主动脉瘤形态学二维断面和三维立体测量的误差分析[J]. 中国科学院大学学报, 2018, 35(5): 607-611.

WEI Chijun, QIU Yue, YUAN Ding, ZHENG Tinghui. Comparison of the measured morphology parameters of an abdominal aortic aneurysm between the 2D and 3D techniques[J]. , 2018, 35(5): 607-611.

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腹主动脉瘤形态学二维断面和三维立体测量的误差分析

Comparison of the measured morphology parameters of an abdominal aortic aneurysm between the 2D and 3D techniques

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