View Presentation - Society of Thoracic Radiology
View Presentation - Society of Thoracic Radiology
View Presentation - Society of Thoracic Radiology
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WEDNESDAY<br />
550<br />
TRANSPOSITION<br />
The definition <strong>of</strong> transposition:<br />
RV gives rise to Aorta<br />
AV valves follow the ventricles<br />
Th The coronary arteries t i f follow ll th the ventricles t i l<br />
In D-TGA, D TGA, the RV communicates with the RA<br />
RA RV Aorta; Aorta; LA LV LV PA<br />
In L-TGA, LTGA,<br />
the RV communicates with the LA<br />
RA LV LV PA; LARV LA RV Aorta<br />
D-TGA TGA<br />
Arterial switch (Jatene) is now the preferred<br />
correction<br />
Radiologic Impact: Classic shape <strong>of</strong> the great<br />
vessels (akin (a to a Dutch hat) t)<br />
Complications [Few]:<br />
D-TGA TGA<br />
Coronary artery kinking in the immediate post post-op op period<br />
Branch pulmonary artery stenoses<br />
Neoaortic root dilitation<br />
Inflow switch (Baffles) were used up until the<br />
late 1980’s. Mustard (Pericardium); Senning<br />
(Atrial tissue)<br />
Radiologic Impact: SVC SVC,IVC IVC are directed to the<br />
left ventricle and the pulmonary veins to the<br />
right ventricle<br />
Complications:<br />
Baffle leaks<br />
Baffle stenoses<br />
Arrythmias requiring pacemakers
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