Subvalvular aortic stenosis: Comprehensive cardiac evaluation with dual-source computed tomography Paul Stolzmann, MD, Hans Scheffel, MD, Dominique Bettex,

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Presentation transcript:

Subvalvular aortic stenosis: Comprehensive cardiac evaluation with dual-source computed tomography Paul Stolzmann, MD, Hans Scheffel, MD, Dominique Bettex, MD, Christoph Karlo, Thomas Frauenfelder, MD, René Prêtre, MD, Borut Marincek, MD, Hatem Alkadhi, MD The Journal of Thoracic and Cardiovascular Surgery Volume 134, Issue 1, Pages 240-241.e1 (July 2007) DOI: 10.1016/j.jtcvs.2007.03.005 Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

Figure 1 A, Dual-source computed tomographic coronary angiograph: Oblique–coronal reconstruction showing the fibromuscular bulge (arrow) originating from the interventricular septum causing significant narrowing of the LVOT (asterisk). Note the anterior mitral valve leaflet constituting the medial border of the LVOT (arrowhead). B, Three-dimensional volume–rendered image gives a better impression of the spatial relationship of the subaortic stenosis (arrow) and the obstruction of the LVOT. LVOT, left ventricular outflow tract. The Journal of Thoracic and Cardiovascular Surgery 2007 134, 240-241.e1DOI: (10.1016/j.jtcvs.2007.03.005) Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

Figure 2 A, Dual-source computed tomographic coronary angiograph: Transverse reconstruction through the aortic valve in mid-diastole (65% of the R-R interval) demonstrates thickening of the aortic cusps and incomplete diastolic coaptation (arrow) leading to aortic regurgitation. B, Oblique–transverse reconstruction through the mitral valve in early systole (10% of the R-R interval) shows billowing of the anterior leaflet (arrow) toward the left atrium, thus defining mitral valve prolapse. The Journal of Thoracic and Cardiovascular Surgery 2007 134, 240-241.e1DOI: (10.1016/j.jtcvs.2007.03.005) Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions

Figure E1 Three-dimensional volume rendered image of the heart demonstrating the coronary artery tree with no atherosclerotic changes. The Journal of Thoracic and Cardiovascular Surgery 2007 134, 240-241.e1DOI: (10.1016/j.jtcvs.2007.03.005) Copyright © 2007 The American Association for Thoracic Surgery Terms and Conditions