A system for determination of 3D vessel tree centerlines from biplane images
A system for determination of 3D vessel tree centerlines from biplane images
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DOI：
10.1023/a:1026528209003
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发表时间：
2000-10-01
期刊：
影响因子：
--
通讯作者：
Mazzucco, M
中科院分区：
文献类型：
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作者：
Hoffmann, KR;Sen, A;Mazzucco, M
随着治疗性冠状动脉介入治疗的数量和复杂性的增加，对准确的定量测量的需求也越来越大。这些干预和测量可以通过血管结构的准确和可重现的放大和定向，特别是通过准确的3D血管树中心线来促进。已经提出了许多从双平面图像计算3D血管树中心线的方法。一般来说，计算的放大倍数和方向的精度分别约为1-3%和2-5度。在这里，我们提出了一个完整的系统，用于确定三维血管中心线从双平面血管造影，而不使用校准对象。在指示血管中心线之后，在大约2分钟内自动计算成像几何和3D中心线。根据各种计算量的用户内部和用户间差异对该系统进行了评价。用该系统获得的重现性可与其他建议方法的精密度和重现性相媲美或更好。基于这些结果和早期研究中报道的结果，我们相信该系统将在患者仍在手术台上时从双平面图像中提供准确和可重现的血管树中心线，从而促进对血管系统的干预和相关的定量分析。
With the increasing number and complexity of therapeutic coronary interventions, there is an increasing need for accurate quantitative measurements. These interventions and measurements may be facilitated by accurate and reproducible magnifications and orientations of the vessel structures, specifically by accurate 3D vascular tree centerlines. A number of methods have been proposed to calculate 3D vascular tree centerlines from biplane images. In general, the calculated magnifications and orientations are accurate to within approximately 1-3% and 2-5 degrees, respectively. Here, we present a complete system for determination of the 3D vessel centerlines from biplane angiograms without the use of a calibration object. Subsequent to indication of the vessel centerlines, the imaging geometry and 3D centerlines are calculated automatically and within approximately 2 min. The system was evaluated in terms of the intra- and inter-user variations of the various calculated quantities. The reproducibilities obtained with this system are comparable to or better than the accuracies and reproducibilities quoted for other proposed methods. Based on these results and those reported in earlier studies, we believe that this system will provide accurate and reproducible vascular tree centerlines from biplane images while the patient is still on the table, and thereby will facilitate interventions and associated quantitative analyses of the vasculature.