J.Jpn. Surg. Soc.. 89(10): 1699-1706, 1988

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Original article

SIZE AND CONFIGURATION OF THE FUNCTIONAL AORTIC ROOT AFTER ARTERIAL SWITCH OPERATION FOR COMPLETE TRANS POSITION OF THE GREAT ARTERIES

Twelve patients with complete transposition of the great arteries who had arterial switch operation were investigated by postoperative cineangiogram to assess the size and configuration of the functiona1 aortic root. Three patients underwent Damus-Kaye-Stansel operation and the remaining nine received Lecompte modification of Jatene operation.
Aortogram showed trivial or mild aortic regurgitation in six patients who underwent Jatene operation but no regurgitation was detected in patients after Damus-Kaye-Stansel operation, arterial switch operation without coronary relocation.
The patients were devided into two groups according to the aortographic findings : AR (－) ; patients with competent aortic valve, AR (+) ; patients with incompetent aortic valve. Comparison was made between these two groups, measuring new aortic root diameter at three levels. The systolic diameter of distal aortic root was significantly enlarged in AR (+) group as compared to AR (－) grouup.
These results suggest that the relocaton of the coronary arteries and the dilatation of aortic root may contribute to aortic regurgitation after Jatene operation.

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