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Coronary arteries arising from the contralateral aortic sinus: Electron beam computed tomographic demonstration of the initial course of the artery with.

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Presentation on theme: "Coronary arteries arising from the contralateral aortic sinus: Electron beam computed tomographic demonstration of the initial course of the artery with."— Presentation transcript:

1 Coronary arteries arising from the contralateral aortic sinus: Electron beam computed tomographic demonstration of the initial course of the artery with respect to the aorta and the right ventricular outflow tract  Elie Mousseaux, MD, PhDa, b, Anne Hernigou, MDa, Marc Sapoval, MDa, Olivier Darmon, MDc, Bernard Beyssen, MDa, Jean-Claude Gaux, MDa  The Journal of Thoracic and Cardiovascular Surgery  Volume 112, Issue 3, Pages (September 1996) DOI: /S (96) Copyright © 1996 Mosby, Inc. Terms and Conditions

2 Fig. 1 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Both exact origin of left main coronary artery (arrow) from right sinus of Valsalva and its passage between ascending aorta (AA) and pulmonary artery (PA) are shown in A and B. Division of left coronary artery into left anterior descending and circumflex arteries behind pulmonary artery is depicted in B, C, and D. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

3 Fig. 1 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Both exact origin of left main coronary artery (arrow) from right sinus of Valsalva and its passage between ascending aorta (AA) and pulmonary artery (PA) are shown in A and B. Division of left coronary artery into left anterior descending and circumflex arteries behind pulmonary artery is depicted in B, C, and D. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

4 Fig. 1 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Both exact origin of left main coronary artery (arrow) from right sinus of Valsalva and its passage between ascending aorta (AA) and pulmonary artery (PA) are shown in A and B. Division of left coronary artery into left anterior descending and circumflex arteries behind pulmonary artery is depicted in B, C, and D. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

5 Fig. 1 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Both exact origin of left main coronary artery (arrow) from right sinus of Valsalva and its passage between ascending aorta (AA) and pulmonary artery (PA) are shown in A and B. Division of left coronary artery into left anterior descending and circumflex arteries behind pulmonary artery is depicted in B, C, and D. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

6 Fig. 2 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Left coronary artery arises from initial part of right coronary artery (arrow) in B, C, and D. Its intramyocardial course crossing upper part of interventricular septum is shown in C and D (open arrow). A also shows calcified left anterior descending artery and circumflex artery lying within anterior interventricular groove. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

7 Fig. 2 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Left coronary artery arises from initial part of right coronary artery (arrow) in B, C, and D. Its intramyocardial course crossing upper part of interventricular septum is shown in C and D (open arrow). A also shows calcified left anterior descending artery and circumflex artery lying within anterior interventricular groove. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

8 Fig. 2 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Left coronary artery arises from initial part of right coronary artery (arrow) in B, C, and D. Its intramyocardial course crossing upper part of interventricular septum is shown in C and D (open arrow). A also shows calcified left anterior descending artery and circumflex artery lying within anterior interventricular groove. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

9 Fig. 2 Electrocardiographically gated 100 msec axial EBCT images after enhancement at four levels from top (A) to bottom (D). Left coronary artery arises from initial part of right coronary artery (arrow) in B, C, and D. Its intramyocardial course crossing upper part of interventricular septum is shown in C and D (open arrow). A also shows calcified left anterior descending artery and circumflex artery lying within anterior interventricular groove. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

10 Fig. 3 Two native electrocardiographically gated 100 msec axial EBCT images after enhancement at two levels in A and B. C, Three-dimensional surface-shaded image. D, Selective right coronary arteriography viewed in left anterior oblique projection. Origin of left coronary artery (black arrow) from right coronary artery (white arrow) in right sinus of Valsalva is seen in A and B. Initial course of left coronary artery in front of pulmonary artery (PA) is shown in C and D; it then divides into left anterior descending artery (white arrowheads) and circumflex artery (black arrowheads). AA, Ascending aorta. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

11 Fig. 3 Two native electrocardiographically gated 100 msec axial EBCT images after enhancement at two levels in A and B. C, Three-dimensional surface-shaded image. D, Selective right coronary arteriography viewed in left anterior oblique projection. Origin of left coronary artery (black arrow) from right coronary artery (white arrow) in right sinus of Valsalva is seen in A and B. Initial course of left coronary artery in front of pulmonary artery (PA) is shown in C and D; it then divides into left anterior descending artery (white arrowheads) and circumflex artery (black arrowheads). AA, Ascending aorta. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

12 Fig. 3 Two native electrocardiographically gated 100 msec axial EBCT images after enhancement at two levels in A and B. C, Three-dimensional surface-shaded image. D, Selective right coronary arteriography viewed in left anterior oblique projection. Origin of left coronary artery (black arrow) from right coronary artery (white arrow) in right sinus of Valsalva is seen in A and B. Initial course of left coronary artery in front of pulmonary artery (PA) is shown in C and D; it then divides into left anterior descending artery (white arrowheads) and circumflex artery (black arrowheads). AA, Ascending aorta. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

13 Fig. 3 Two native electrocardiographically gated 100 msec axial EBCT images after enhancement at two levels in A and B. C, Three-dimensional surface-shaded image. D, Selective right coronary arteriography viewed in left anterior oblique projection. Origin of left coronary artery (black arrow) from right coronary artery (white arrow) in right sinus of Valsalva is seen in A and B. Initial course of left coronary artery in front of pulmonary artery (PA) is shown in C and D; it then divides into left anterior descending artery (white arrowheads) and circumflex artery (black arrowheads). AA, Ascending aorta. The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

14 Fig. 4 Electrocardiographically gated 100 msec axial EBCT images after enhancement. Both coronary origins are detected on left aortic sinus, and the passage of right coronary artery (arrow) is detected between ascending aorta (AA) and pulmonary artery (PA) The Journal of Thoracic and Cardiovascular Surgery  , DOI: ( /S (96) ) Copyright © 1996 Mosby, Inc. Terms and Conditions

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