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Ann Thorac Surg 2000;69:1297
© 2000 The Society of Thoracic Surgeons
a Department of Cardiothoracic Surgery, Rabin Medical Center, Beilinson Campus, Petach Tikva 49100, Israel
To the Editor
We read with interest Dr Elamis letter and agree that tetralogy of Fallot right aortic arch and coarctation of the aorta is a rare combination of congenital anomalies. Moreover, we feel that the pathophysiology and the surgical approach should be discussed in detail. However, in our article we specifically discussed the rare combination of right aortic arch and coarctation of the aorta without additional intracardiac congenital malformations. We also discussed a new classification for right aortic arch which we feel is simple and easy to use [1]. The group from the University of San Francisco discussed in more detail congenital obstructive lesions of the right aortic arch and the clinical implications of such anomalies. In their review they discussed in detail the hemodynamic theory for coarctation as well as the high prevalence of chromosomal and genetic abnormalities in patients with right aortic arch [2].
Regarding the theoretical explanation that Dr Elami suggested in his letter, although it is very attractive, we do not believe that it can be implicated to tetralogy of Fallot and right aortic arch in general as it is a relatively common association. One should expect to diagnose aortic coarctation more often under the same circumstances.
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