血管造影与血管内超声在体内的融合：建立绝对三维框架方位

Fusion of angiography and intravascular ultrasound in vivo: establishing the absolute 3-D frame orientation.

作者信息

Wahle A, Prause G P, von Birgelen C, Erbel R, Sonka M

机构信息

University of Iowa, Department of Electrical and Computer Engineering, Iowa City 52242, USA.

出版信息

IEEE Trans Biomed Eng. 1999 Oct;46(10):1176-80. doi: 10.1109/10.790492.

DOI:10.1109/10.790492

PMID:10513120

Abstract

Data fusion of biplane angiography and intravascular ultrasound (IVUS) facilitates geometrically correct reconstruction of coronary vessels. The locations of IVUS frames along the catheter pullback trajectory can be identified, however the IVUS image orientations remain ambiguous. An automated approach to determination of correct IVUS image orientation in three-dimensional space is reported. Analytical calculation of the catheter twist is followed by statistical optimization determining the absolute IVUS image orientation. The fusion method was applied to data acquired in patients undergoing routine coronary intervention, demonstrating the feasibility and good performance of our approach.

摘要

双平面血管造影和血管内超声（IVUS）的数据融合有助于对冠状动脉进行几何上正确的重建。可以确定沿导管回撤轨迹的IVUS帧的位置，然而IVUS图像的方向仍然不明确。本文报道了一种在三维空间中自动确定正确IVUS图像方向的方法。在对导管扭转进行解析计算之后，通过统计优化来确定IVUS图像的绝对方向。该融合方法应用于接受常规冠状动脉介入治疗患者所获取的数据，证明了我们方法的可行性和良好性能。