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Tracheal Compression by Elongated Aortic Arch in Patients with Congenitally Corrected Transposition of the Great Arteries

Title
Tracheal Compression by Elongated Aortic Arch in Patients with Congenitally Corrected Transposition of the Great Arteries
Authors
Y.M. Kim;S.-J. Yoo;Y.T. Lee;S.H. Kim;W.H. Kim;I.S. Park;T.H. Kim
Issue Date
2001
Journal Title
Pediatric Cardiology
ISSN
0172-0643
Citation
Pediatric Cardiology, Vol.22(6) : 471~477, 2001
Abstract
We investigate the tracheal compression by aortic arch in patients with congenitally corrected transposition of the great arteries. Fourteen patients whose ascending aorta was connected to descending aorta on the contralateral side were divided into two groups according to the severity of tracheal compression on lateral angiogram: group 1 (stenosis ? 50%, eight patients) and group 2 (stenosis < 50%, six patients). We compared the following variables between the groups: aortic size, lateral displacement of ascending aorta, retrosternal space, and contour of aortic arch. Spiral computed tomography (CT) was done in five patients of group 1. The ratio between measured and normal diameters of ascending aorta of group 1 was significantly larger than that of group 2 (1.57 ± 0.14 compared to 1.19 ± 0.26, p = 0.014). There was linear correlation between the tracheal compression and aortic size (r = 0.69, p = 0.001). The ascending aorta was positioned more laterally and the aortic arch was located more posteriorly in group 1. In four patients with decreased tracheal compression after surgery, aortic size decreased and the ascending aorta restored its anterior position. Spiral CT showed transversely oriented aortic arch and severe tracheal compression in the anteroposterior direction by aortic arch. The tracheal compression by aortic arch in corrected transposition is common when the descending aorta is located on the contralateral side of the ascending aorta. Aortic size, posterior position, elongation, and end-on appearance of the aortic arch are the useful predictors of tracheal compression.
URI
http://link.springer.com/article/10.1007/s002460010277

http://ir.ymlib.yonsei.ac.kr/handle/22282913/142583
DOI
10.1007/s002460010277
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
Yonsei Authors
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