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DOI:10.2214/AJR.04.0793
AJR 2006; 186:193-197
© American Roentgen Ray Society

Clinical Observations

Different Reconstruction Intervals for Exclusion of Coronary Artery Calcifications by Retrospectively Gated MDCT

Joern J. W. Sandstede1, Julia Stoffels1, Frank Wendel1, Christian Ritter1, Meinrad Beer1 and Dietbert Hahn1

1 All authors: Department of Radiology, University of Wuerzburg, Wuerzburg, Germany.

OBJECTIVE. Exclusion of coronary artery calcifications has a high negative predictive value for the diagnosis of coronary artery disease. However, it is known that significant differences in calcium scoring can occur because of the ECG trigger interval. Thus, the aim of the study was to evaluate the influence of different reconstruction intervals on detection of any coronary calcium by using MDCT and retrospective cardiac gating.

CONCLUSION. For a true exclusion of coronary artery calcifications, different reconstruction intervals have to be evaluated.

Keywords: calcium score • coronary artery disease • heart • MDCT • R-R interval


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