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Rare forms of isolation of the subclavian artery: echocardiographic diagnosis and surgical considerations

Published online by Cambridge University Press:  19 August 2008

Doff B. McElhinney*
Affiliation:
Divisions of Cardiothoracic Surgery, University of California, San Francisco, San Francisco, CA, USA
Norman H. Silverman
Affiliation:
Pediatric Cardiology, University of California, San Francisco, San Francisco, CA, USA
Michael M. Brook
Affiliation:
Pediatric Cardiology, University of California, San Francisco, San Francisco, CA, USA
V. Mohan Reddy
Affiliation:
Divisions of Cardiothoracic Surgery, University of California, San Francisco, San Francisco, CA, USA
Frank L. Hanley
Affiliation:
Divisions of Cardiothoracic Surgery, University of California, San Francisco, San Francisco, CA, USA
*
Doff B. McElhinney, MS

Abstract

Isolation of the subclavian artery is an unusual anomaly in which the subclavian artery arises not from the aortic arch but from a pulmonary artery via an arterial duct. Such isolation most often occurs with a right aortic arch, and in lesions frequently associated with a right arc, such as tetralogy of Fallot. Since1994, we have undertaken surgery in four young infants with isolated subclavian arteries and unusual associated anomalies, including one with atrioventricular septal defect and common valvar orifice, two with interruption of a left aortic arch and one with interruption of a right aortic arch. In both patients with interrupted left arch, the isolated subclavian artery was diagnosed preperatively by echocardiography. We emphasize the significant issues.

Type
Original Articles
Copyright
Copyright © Cambridge University Press 1998

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