Cardiac Imaging by Means of Electrocardiographically Gated Multisection Spiral CT: Initial Experience1
- Bernd Ohnesorge, MSc,
- Thomas Flohr, PhD,
- Christoph Becker, MD,
- Andreas F. Kopp, MD,
- Uwe J. Schoepf, MD,
- Ullrich Baum, MD,
- Andreas Knez, MD,
- Klaus Klingenbeck-Regn, PhD and
- Maximilian F. Reiser, MD
- 1From Siemens Medical Engineering, Division CTC 2, An der Lände 1, 91301 Forchheim, Germany (B.O., T.F., K.K.R.); the Departments of Clinical Radiology (C.B., U.J.S., M.F.R.) and Medicine I (A.K.), Klinikum Grosshadern, University of Munich, Germany; the Institute of Diagnostic Radiology, University of Tübingen, Germany (A.F.K.); and the Institute of Diagnostic Radiology, University of Erlangen-Nürnberg, Germany (U.B.). Received October 22, 1999; revision requested November 24; revision received February 7, 2000; accepted March 29. Address correspondence to B.O. (e-mail: Bernd.Ohnesorge@med.siemens.de).
Abstract
The authors introduce a method for cardiac investigations by using electrocardiographically gated spiral scanning with a four-section computed tomographic system. Three-dimensional images were reconstructed by means of a 250-msec temporal resolution and continuous volume coverage by using a dedicated multisection cardiac volume reconstruction algorithm. Motion-free thin-section volume images were acquired with thin sections and overlapping image increments within a single breath hold. Data segment shifts in time allowed for multiphase imaging.
- Computed tomography (CT), technology, 51.12114, 51.12115, 51.12117, 51.12118, 54.12114, 54.12115, 54.12117, 54.12118
- Computed tomography (CT), thin-section, 51.12118, 54.12118
- Coronary vessels, calcification, 54.81
- Coronary vessels, CT, 54.12114, 54.12115, 54.12117, 54.12118
- Heart, CT, 51.12114, 51.12115, 51.12117, 51.12118
Footnotes
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Abbreviations: ECG = electrocardiographically, 3D = three-dimensional
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Author contributions: Guarantors of integrity of entire study, B.O., A.F.K., K.K.R., M.F.R.; study concepts, B.O., A.F.K.; study design, B.O., T.F.; definition of intellectual content, B.O., T.F., A.F.K.; literature research, B.O., A.F.K.; clinical studies, C.B., A.K., U.B.; experimental studies, B.O., T.F.; data acquisition, C.B., U.J.S., A.K., U.B.; data analysis, A.K., C.B., B.O., T.F.; manuscript preparation, B.O., A.F.K., T.F., U.J.S.; manuscript editing, B.O., A.F.K., U.J.S.; manuscript review, A.F.K., M.F.R., U.J.S., K.K.R.
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