Dextro-transposition of the great arteries classification: Difference between revisions

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Revision as of 21:14, 7 January 2013

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

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.

Classification

Simple d-TGA

d-TGA which is not associated with additional cardiac defects.

Complex d-TGA

d-TGA which is associated with other defects.

One of the most common cardiac defects associated with d-TGA is a VSD, which is present in 40% of d-TGA patients. Pulmonary stenosis and a VSD are present in 31% of patients. Although it may seem illogical, complex d-TGA presents better chance of survival and less developmental risks than simple d-TGA, as well as usually requiring fewer invasivepalliative 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 cause a very slight increase to length and risk of the corrective surgery, as most or all other heart defects will normally be repaired at the same time, and the heart becomes "irritated" the more it is manipulated.

References

Acknowledgements and Initial Contributors to Page

Leida Perez, M.D. nl:Transpositie van de grote vaten Template:WH Template:WS

@@ Line 7: / Line 7: @@
 d-TGA is often accompanied by other heart defects, the most common type being [[wiktionary:intracardiac|intracardiac]] [[shunt (medical)|shunts]] such as [[atrial septal defect]] (ASD) including [[atrial septal defect#Patent foramen ovale|patent foramen ovale]] (PFO), [[ventricular septal defect]] (VSD), and [[patent ductus arteriosus]] (PDA). [[Stenosis]] of [[heart valve|valves]] or [[blood vessel|vessels]] may also be present.
-When no other heart defects are present it is called 'simple' d-TGA; when other defects are present it is called 'complex' d-TGA.
+==Classification==
+*'''Simple d-TGA'''
-Although it may seem illogical, complex d-TGA presents better chance of survival and less [[child development|developmental]] risks than simple d-TGA, as well as usually requiring fewer invasive[[palliative]] procedures. This is because the [[left-to-right shunt|left-to-right]] and [[bidirectional shunt|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 cause a very slight increase to length and risk of the corrective [[surgery]], as most or all other heart defects will normally be repaired at the same time, and the heart becomes "[[irritation|irritated]]" the more it is manipulated.
+d-TGA which is not associated with additional cardiac defects.
-==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 shunt such as atrial septal defect including [[patent foramen ovale]], [[ventricular septal defect]], and [[patent ductus arteriosus]]. [[Stenosis]] of heart valves or blood vessels may also be present.
-**An accompanying [[VSD]] is present in 40% of these patients.
+d-TGA which is associated with other defects.
-**[[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 child developmental risks than simple d-TGA, as well as usually requiring fewer invasive palliative procedures. This is because the left-to-right shunt and bidirectional shunt 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.
+One of the most common cardiac defects associated with d-TGA is a [[VSD]], which is present in 40% of d-TGA patients. [[Pulmonary stenosis]] and a [[VSD]] are present in 31% of patients. Although it may seem illogical, complex d-TGA presents better chance of survival and less [[child development|developmental]] risks than simple d-TGA, as well as usually requiring fewer invasive[[palliative]] procedures. This is because the [[left-to-right shunt|left-to-right]] and [[bidirectional shunt|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 cause a very slight increase to length and risk of the corrective [[surgery]], as most or all other heart defects will normally be repaired at the same time, and the heart becomes "[[irritation|irritated]]" the more it is manipulated.
 ==References==