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Influence of Heart Rate on the Diagnostic Accuracy of Dual-Source Computed Tomography Coronary Angiography

Ulrike Ropers, MD^_*, Dieter Ropers, MD^_*, Tobias Pflederer, MD^_*, Katharina Anders, MD, Axel Kuettner, MD, Nikolaos I. Stilianakis, MD^,||, Sei Komatsu, MD^_*, Willi Kalender, MD, Werner Bautz, MD, Werner G. Daniel, MD, FACC^_* and Stephan Achenbach, MD, FACC^_*,_*

^_* Department of Internal Medicine 2 (Cardiology–Angiology), University of Erlangen-Nuremberg, Erlangen, Germany
Institute of Diagnostic Radiology, University of Erlangen-Nuremberg, Erlangen, Germany
Institute of Medical Physics, University of Erlangen-Nuremberg, Erlangen, Germany
Department of Biometry and Epidemiology, University of Erlangen-Nuremberg, Erlangen, Germany
^|| Joint Research Centre, European Commission, Ispra (Va), Italy.

View larger version (65K): [in this window] [in a new window] [Download PPT slide]   Figure 1 DSCT Coronary Angiography in a 46-Year-Old Man With a Heart Rate of 84 Beats/Min Curved multiplanar reconstructions of the left anterior descending coronary artery (A), intermediate branch (B), and the right coronary artery (C) demonstrate no significant motion artifact. (D) Three-dimensional reconstruction of the heart and coronary arteries. DSCT = dual-source computed tomography.

View larger version (33K): [in this window] [in a new window] [Download PPT slide]   Figure 2 DSCT Coronary Angiography in a 78-Year-Old Male Patient With a Heart Rate of 75 Beats/Min A significant stenosis (arrows) in the proximal part of the left anterior descending coronary artery. (A) Curved multiplanar reconstruction; (B) 3-dimensional reconstruction; (C) invasive coronary angiography. Abbreviation as in Figure 1.