Dextro-transposition of the great arteries anatomy: Difference between revisions
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{{Transposition of the great vessels}} | |||
''' | {{CMG}}; '''Associate Editor(s)-In-Chief:''' [[Priyamvada Singh|Priyamvada Singh, M.B.B.S.]] [mailto:psingh@perfuse.org]; {{CZ}}; [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; '''Assistant Editor(s)-In-Chief:''' [[Kristin Feeney|Kristin Feeney, B.S.]] [mailto:kfeeney@perfuse.org] | ||
==Overview== | |||
==Anatomy and Anatomic Variations== | |||
D-transposition of the great arteries d-TGA implies that the position of the aorta and the pulmonary artery are switched relative to the ventricular septum. The Atrio-Ventricular connections are normal. | D-transposition of the great arteries d-TGA implies that the position of the aorta and the pulmonary artery are switched relative to the ventricular septum. The Atrio-Ventricular connections are normal. | ||
Differences in the shape of the [[atrial septum]] and/or [[ventricular outflow tract]]s affect the [[anatomical position|relative positions]] of the aorta and pulmonary artery. In the majority of d-TGA cases, the aorta is [[anatomical position#Coronal plane|anterior]] and to the right of the pulmonary artery, but it can also be directly anterior or anterior and to the left. The aorta and pulmonary artery can also be side by side, with aorta on either side. This is a less common variant, and with this arrangement, an unusual [[coronary artery]] pattern is common. There are also some cases with aorta to the right and posterior to the pulmonary artery.<ref>'''Valdes-Cruz LM and Cayre RO''': Chapter 24 in ''Echocardiographic diagnosis of congenital heart disease''. Philadelphia 1998.</ref> | Differences in the shape of the [[atrial septum]] and/or [[ventricular outflow tract]]s affect the [[anatomical position|relative positions]] of the aorta and pulmonary artery. In the majority of d-TGA cases, the aorta is [[anatomical position#Coronal plane|anterior]] and to the right of the pulmonary artery, but it can also be directly anterior or anterior and to the left. The aorta and pulmonary artery can also be side by side, with aorta on either side. This is a less common variant, and with this arrangement, an unusual [[coronary artery]] pattern is common. There are also some cases with aorta to the right and posterior to the pulmonary artery.<ref>'''Valdes-Cruz LM and Cayre RO''': Chapter 24 in ''Echocardiographic diagnosis of congenital heart disease''. Philadelphia 1998.</ref> | ||
Revision as of 01:48, 11 August 2011
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Dextro-transposition of the great arteries/complete transposition of the great arteries Microchapters |
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Differentiating dextro-transposition of the great arteries from other Diseases |
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Diagnosis |
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Transposition of the great vessels Microchapters |
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Classification |
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Differentiating Transposition of the great vessels from other Diseases |
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Diagnosis |
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Surgery |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-In-Chief: Priyamvada Singh, M.B.B.S. [2]; Cafer Zorkun, M.D., Ph.D. [3]; Keri Shafer, M.D. [4]; Assistant Editor(s)-In-Chief: Kristin Feeney, B.S. [5]
Overview
Anatomy and Anatomic Variations
D-transposition of the great arteries d-TGA implies that the position of the aorta and the pulmonary artery are switched relative to the ventricular septum. The Atrio-Ventricular connections are normal. Differences in the shape of the atrial septum and/or ventricular outflow tracts affect the relative positions of the aorta and pulmonary artery. In the majority of d-TGA cases, the aorta is anterior and to the right of the pulmonary artery, but it can also be directly anterior or anterior and to the left. The aorta and pulmonary artery can also be side by side, with aorta on either side. This is a less common variant, and with this arrangement, an unusual coronary artery pattern is common. There are also some cases with aorta to the right and posterior to the pulmonary artery.[1]
The left coronary artery arises from the left aortic sinus and the right coronary artery from the posterior aortic sinus. In 31 of 149 cases, the circumflex originates from the posterior aortic sinus. [2]
References
Acknowledgements and Initial Contributors to Page
Leida Perez, M.D.
External links
- Diagram at kumc.edu
- Diagram and description at umich.edu
- Overview at pediheart.org
- Royal Children's Hospital, Melbourne
- Mayo Clinic, Arizona - Florida - Minnesota, USA
