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논문 기본 정보

자료유형
학술저널
저자정보
박정희 (서울대학교 의과대학 방사선과학교실)
저널정보
대한영상의학회 대한방사선의학회지 대한방사선의학회지 제20권 제1호
발행연도
1984.1
수록면
104 - 119 (16page)

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Double-outlet right ventricle is defined as follows : both great arteries arise completely or nearly completely from the right ventricle; neither semilunar valve is in fibrous continuity with either atrio-ventricular valve; and usually a ventricular septal defect is present and the only outlet from the left ventricle. A total of 44 cases of double-outlet right ventricle is analyzed, in which cineangiocardiographies were done at the Department of Radiology, Seoul National University Hospital in recent 4 year and 6 months, with specific reference to the segmental combinations, the height of conus, the relationship of great arteries, the location of ventricular septal defects, and associated anomalies. The results were as follows; 1. Among 44 cases, 36 cases had normal cardiac position, 4 cases had dextrocardia with situs inversus, 2 eases had dextrocardia with situs solitus, 1 case had levocardia with situs inversus, and another 1 case had mesocardia with situs ambiguus. 2. Segmental sets were [S, D, D] in 36 cases, [I, L, L] in 3 cases, [I, D, D] in 2 cases, [S, D, L] [S, L, L] and [A, D, D] in 1 case respectively/ 3. All cases had bilateral conus, Aortic valve rings were same level as pulmonary valve rings in 25 cases, lower than pulmonary valve rings in 17 cases in which 15 cases were type A., and higher than pulmonary valve rings in 2 cases. 4. The relation of the great arteries were normal in 15 cases, side-by-side in 13 cases, dextromalposition in 13 cases, and levomal position in 3 cases. 5. The position of the ventricular septal defects with respect to the origins of the great arteries is subaortic(type A & type B) in 23 cases, subpulmonary (type C) in 13 cases, doubly committed (type D) in 3 cases, and uncommitted (type E) in 5 cases. 6. Associated cardiac malformations are pulmonary stenosis in 24 which had all cases of type A and type E, aortic stenosis in 6 which were only in type C, left SVC in 6, abnormality of atrioventricular valve in 5, single coronary artery in 4, interrupted IVC in 1, obstructuve VSD in 2, ASD in 4, PDA in 4, right aortic arch with levocardia in 5, and ectopic spleen with mesocardia in 1 case. 7. Biplane cinecadioangiogram must be performed in both ventricles to define the VSD and its relationship to the great arteries, and, if necessary, should also be performed in the aorta to rule out coarctation and coronary atery abnormalities, and in the pulmonary artery to visualize pulmonary venous return and mitral valve. Angiography is of crucial importance in differentiating double-outlet right ventricle from tetralogy of Fallot and complete transposition of the great arteries.

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