Summary
Although quantitative coronary arteriography (QCA) has been around now for quite some time, research and development continue to take place along several directions. First of all, the imaging medium has changed from the traditional 35 mm analog cinefilm to the digital world with the CD-R as the preferred carrier. This required adaptations of the basic contour detection algorithms. Stimulated by these same changes, digital review stations or DICOM-Viewers have been developed. In addition, third-generation QCA algorithms have been designed and implemented, and applied to quantitate complex morphology and radiopaque stents.
Intravascular ultrasound has also found its place in interventional cardiology. Major developments include automated contour detection techniques in the individual cross-sections and in the 3D reconstructions obtained from (ECG-triggered) pullback approaches (quantitative coronary ultrasound or QCU). A great deal of attention is also given to improved 3D visualization of the vessel of interest. This will certainly be facilitated by the image fusion of biplane coronary arteriography and intravascular ultrasound, and the associated quantitative techniques QCA and QCU, respectively.
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Reiber, J.H.C., Dijkstra, J., Koning, G., Oemrawsingh, P.V., Schalij, M.J., Goedhart, B. (1998). Current and future developments in QCA and image fusion with IVUS. In: Reiber, J.H.C., Van Der Wall, E.E. (eds) What’s New in Cardiovascular Imaging?. Developments in Cardiovascular Medicine, vol 204. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-5123-8_1
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