Transposition of the great vessels causes

Transposition of the great vessels Microchapters
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Dextro-transposition of the great arteries
L-transposition of the great arteries
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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];Kristin Feeney, B.S. [5]

Overview

The causes for transposition of the great arteries is unknown and is presumed to be multifactorial. The embryology likely involves abnormal persistence of the subaortic conus with resorption or underdevelopment of the subpulmonary conus (infundibulum). This abnormality aligns the aorta anterior and superior with the right ventricle during development.

Causes

• The etiology for transposition of the great arteries is unknown and is presumed to be multifactorial.
• The embryology likely involves abnormal persistence of the subaortic conus with resorption or underdevelopment of the infundibulum. This abnormality aligns the aorta anterior and superior with the right ventricle during development.
• Generally, TGA is not known to be associated with any specific single gene defect, but some studies have shown possible genetic association in some cases of TGA, involving deletions of chromosome 22q11.