Coronary artery stenosis detection with holographic display of 3D angiograms

Erik Leo Ritman M.D.; Todd D. Schwanke; Robert D. Simari; Robert S. Schwartz M.D.; Paul J. Thomas

doi:10.1117/12.209725

24 May 1995 Coronary artery stenosis detection with holographic display of 3D angiograms

Erik Leo Ritman M.D., Todd D. Schwanke, Robert D. Simari, Robert S. Schwartz M.D., Paul J. Thomas

Proceedings Volume 2433, Medical Imaging 1995: Physiology and Function from Multidimensional Images; (1995) https://doi.org/10.1117/12.209725
Event: Medical Imaging 1995, 1995, San Diego, CA, United States

Abstract

The objective of this study was to establish the accuracy of an holographic display approach for detection of stenoses in coronary arteries. The rationale for using an holographic display approach is that multiple angles of view of the coronary arteriogram are provided by a single 'x-ray'-like film, backlit by a special light box. This should be more convenient in that the viewer does not have to page back and forth through a cine angiogram to obtain the multiple angles of view. The method used to test this technique involved viewing 100 3D coronary angiograms. These images were generated from the 3D angiographic images of nine normal coronary arterial trees generated with the Dynamic Spatial Reconstructor (DSR) fast CT scanner. Using our image processing programs, the image of the coronary artery lumen was locally 'narrowed' by an amount and length and at a location determined by a random look-up table. Two independent, blinded, experienced angiographers viewed the holographic displays of these angiograms and recorded their confidence about the presence, location, and severity of the stenoses. This procedure evaluates the sensitivity and specificity of the detection of coronary artery stenoses as a function of the severity, size, and location along the arteries.

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Erik Leo Ritman M.D., Todd D. Schwanke, Robert D. Simari, Robert S. Schwartz M.D., and Paul J. Thomas "Coronary artery stenosis detection with holographic display of 3D angiograms", Proc. SPIE 2433, Medical Imaging 1995: Physiology and Function from Multidimensional Images, (24 May 1995); https://doi.org/10.1117/12.209725

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KEYWORDS

3D image processing

Arteries

Angiography

3D displays

Holography

Heart

Holograms

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