Accurate 3D reconstruction of tortuous coronary vessels using biplane angiography and intravascular ultrasound

Guido P. M. Prause; Steven C. DeJong; Charles R. McKay M.D.; Milan Sonka

doi:10.1117/12.274048

9 May 1997 Accurate 3D reconstruction of tortuous coronary vessels using biplane angiography and intravascular ultrasound

Guido P. M. Prause, Steven C. DeJong, Charles R. McKay M.D., Milan Sonka

Author Affiliations +

Proceedings Volume 3033, Medical Imaging 1997: Physiology and Function from Multidimensional Images; (1997) https://doi.org/10.1117/12.274048
Event: Medical Imaging 1997, 1997, Newport Beach, CA, United States

Abstract

At present, 3D reconstructions of coronary vessels are generated from intravascular ultrasound (IVUS) pullback sequences by stacking up ECG-gated segmented IVUS frames. Since this approach results in straight vessel reconstructions, it clearly fails in tortuous coronary arteries. This shortcoming may be overcome by data fusion with biplane angiography. The 3D course of the vessel is first derived from angiograms and then combined with segmented IVUS images in order to obtain a spatially correct and anatomically complete vessel reconstruction. In this paper, different approaches to two problems associated with the data fusion method are discussed: the definition of the pullback path and the estimation of IVUS catheter twist during pullback. A procedure for image acquisition, segmentation, mapping, and interpolation is proposed that has been designed with respect to its clinical applicability. In vitro validations of our previously reported algorithm for analytic catheter twist quantification is presented along with data fusion results of coronary arteries in cadaveric pig hearts.

Citation Download Citation

Guido P. M. Prause, Steven C. DeJong, Charles R. McKay M.D., and Milan Sonka "Accurate 3D reconstruction of tortuous coronary vessels using biplane angiography and intravascular ultrasound", Proc. SPIE 3033, Medical Imaging 1997: Physiology and Function from Multidimensional Images, (9 May 1997); https://doi.org/10.1117/12.274048

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