Dextro-transposition of the great arteries classification: Difference between revisions
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'''Associate Editors-In-Chief:''' [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; Atif Mohammad, M.D., [[Priyamvada Singh]], [[MBBS]] | '''Associate Editors-In-Chief:''' [[User:KeriShafer|Keri Shafer, M.D.]] [mailto:kshafer@bidmc.harvard.edu]; Atif Mohammad, M.D., [[Priyamvada Singh]], [[MBBS]] | ||
Classification | '''Classification''' | ||
'''Simple d-TGA''': No other associated cardiac defects are present. | '''Simple d-TGA''': No other associated cardiac defects are present. | ||
Revision as of 18:38, 14 July 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 |
For patient information click here
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Associate Editors-In-Chief: Keri Shafer, M.D. [2]; Atif Mohammad, M.D., Priyamvada Singh, MBBS
Classification
Simple d-TGA: No other associated cardiac defects are present.
Complex d-TGA: d-TGA is often accompanied by other heart defects, the most common type being intracardiac shunts such as atrial septal defect (ASD) including patent foramen ovale (PFO), ventricular septal defect (VSD), and patent ductus arteriosus (PDA). Stenosis of valves or vessels may also be present. An accompanying VSD is present in 40% of these patients. Pulmonary stenosis and a VSD are present in 31% of patients.
Although it may seem counterintuitive, complex d-TGA presents better chance of survival and less developmental risks than simple d-TGA, as well as usually requiring fewer invasive palliative procedures. This is because the left-to-right and bidirectional shunting caused by the defects common to complex d-TGA allow a higher amount of oxygen-rich blood to enter the systemic circulation. However, complex d-TGA may be associated with a slight increase in the length and risk of the corrective surgery, as most or all other heart defects will normally be repaired at the same time.
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
