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(Circulation. 2002;105:e170.)
© 2002 American Heart Association, Inc.

Images in Cardiovascular Medicine

Truncus Arteriosus and Double Aortic Arch

Jean-François Paul, MD; Alain Serraf, MD

From the Department of Radiology and Cardiopediatric Surgery, Centre Chirurgical Marie Lannelongue, Le Plessis-Robinson, France.

Correspondence to Jean-François Paul, MD Service de Radiologie, Centre Chirurgical Marie Lannelongue, 133 Avenue de la Résistance, 92350 Le Plessis-Robinson, France. E-mail pauljf{at}ccml.com

Aneonate had respiratory distress with stridor but no laryngeal anomaly at fibroscopy. Oral transit with a contrast medium showed a posterior compression of the trachea, suggesting a vascular origin. Aggravation occurred at 1 month of age, leading to intubation and assisted ventilation.

Echocardiography diagnosed a truncus arteriosus, but no vascular ring could be seen. A CT scan was then performed for additional anatomic information. A multislice CT (Volume Zoom, Siemens) scan procedure was performed with 4x2.5-mm iodine-enhanced slice acquisitions, accounting for a total scan time of 4 seconds. Three-dimensional reconstructions using a volume-rendering technique showed 2 congenital vessel anomalies, the origin of main pulmonary artery arising from the left side of aorta and a double aortic arch (Figure 1). A left oblique anterior view with 3D rendering technique showed the vascular ring with a right-sided descending aorta (Figure 2).

View larger version (108K): [in this window] [in a new window]   Figure 1. Ao indicates aorta; PA, pulmonary artery; SVC, superior vena cava; RAA, right aortic arch; LAA, left aortic arch; and TA, truncus arteriosus.

View larger version (104K): [in this window] [in a new window]   Figure 2. DA indicates descending aorta. Other abbreviations as in Figure 1.

The patient underwent surgical repair of the truncus arteriosus and division of the left aortic arch. The postoperative course was uneventful with relief of respiratory symptoms.

Footnotes

The editor of Images in Cardiovascular Medicine is Hugh A. McAllister, Jr, MD, Chief, Department of Pathology, St Luke’s Episcopal Hospital and Texas Heart Institute, and Clinical Professor of Pathology, University of Texas Medical School and Baylor College of Medicine.

Circulation encourages readers to submit cardiovascular images to the Circulation Editorial Office, St Luke’s Episcopal Hospital/Texas Heart Institute, 6720 Bertner Ave, MC1-267, Houston, TX 77030.

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Email this article to a friend Similar articles in this journal Similar articles in PubMed Alert me to new issues of the journal Download to citation manager Request Permissions Citing Articles Citing Articles via Google Scholar Google Scholar Articles by Paul, J.-F. Articles by Serraf, A. Search for Related Content PubMed PubMed Citation Articles by Paul, J.-F. Articles by Serraf, A. Related Collections CT and MRI Pediatric and congenital heart disease, including cardiovascular surgery