Volumetric Coronary Angiography Using the 256-Detector Row Computed Tomography Scanner: Comparison in vivo and in vitro with Porcine Models

S. Mori Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Tokyo Women's Medical University, Tokyo, Japan, Institute for High Dimensional Medical Imaging, Jikei University School of Medicine, Tokyo, Japan, Fukui University Faculty of Engineering, Fukui, JapanCorrespondence[email protected]

C. Kondo Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Tokyo Women's Medical University, Tokyo, Japan, Institute for High Dimensional Medical Imaging, Jikei University School of Medicine, Tokyo, Japan, Fukui University Faculty of Engineering, Fukui, Japan

N. Suzuki Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Tokyo Women's Medical University, Tokyo, Japan, Institute for High Dimensional Medical Imaging, Jikei University School of Medicine, Tokyo, Japan, Fukui University Faculty of Engineering, Fukui, Japan

A. Hattori Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Tokyo Women's Medical University, Tokyo, Japan, Institute for High Dimensional Medical Imaging, Jikei University School of Medicine, Tokyo, Japan, Fukui University Faculty of Engineering, Fukui, Japan

M. Kusakabe Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Tokyo Women's Medical University, Tokyo, Japan, Institute for High Dimensional Medical Imaging, Jikei University School of Medicine, Tokyo, Japan, Fukui University Faculty of Engineering, Fukui, Japan

M. Endo Department of Medical Physics, National Institute of Radiological Sciences, Chiba, Japan, Department of Radiology, Tokyo Women's Medical University, Tokyo, Japan, Institute for High Dimensional Medical Imaging, Jikei University School of Medicine, Tokyo, Japan, Fukui University Faculty of Engineering, Fukui, Japan

Abstract

Purpose: To investigate the feasibility of volumetric cine imaging in human cardiac studies by comparing in vivo and in vitro coronary angiography using a 256-detector row computed tomography (CT) without ECG gating.

Material and Methods: The left and right coronary arteries of two domestic pigs were scanned in vivo and in vitro in cine mode using the 256-detector row CT. The device scanned approximately 100 mm in the cranio-caudal direction with one rotation, with a slice thickness of 0.5 mm.

Results: The coronary arteries could be observed to the third-degree branches in vitro, but could be visualized clearly only to the proximal portion (first-degree or second-degree branches) in vivo.

Conclusion: Application of cardiac volumetric cine imaging with 256-detector row CT may be a promising means of obtaining diagnostic information and has potential for adoption to human studies.

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Volumetric Coronary Angiography Using the 256-Detector Row Computed Tomography Scanner: Comparison in vivo and in vitro with Porcine Models

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Volumetric Coronary Angiography Using the 256-Detector Row Computed Tomography Scanner: Comparison in vivo and in vitro with Porcine Models

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