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Case Reports
. 2008 Sep;167(9):1033-6.
doi: 10.1007/s00431-007-0637-2. Epub 2008 Jan 3.

Down syndrome and aberrant right subclavian artery

Marcus T R Roofthooft  1 , Hester van Meer, Wim G Rietman, Tjark Ebels, Rolf M F Berger
Affiliations
Case Reports

Down syndrome and aberrant right subclavian artery

Marcus T R Roofthooft et al. Eur J Pediatr. 2008 Sep.

Abstract

Down syndrome (DS) may be associated with various organ system disorders. Feeding problems are frequent in children with DS and may be caused by associated defects, including congenital heart defects, gastrointestinal defects, or endocrine disorders. In the absence of these associated conditions, feeding problems are often attributed to general hypotonia. However, an aberrant right subclavian artery (ARSA), a rare vascular anomaly and an unusual cause of problems with the passage of solid food through the esophagus, has recently been suggested to occur more frequently in patients with DS. This knowledge is of importance when evaluating feeding difficulties in patients with DS. Additional investigation for identifying an ARSA may be indicated in selected patients. Diagnostic techniques, such as transthoracic echocardiography, barium contrast esophagram, angiography, or computed tomography-angiography (CT) can be used in a diagnostic flow chart. The presence of ARSA is not synonymous to the cause of feeding problems in patients with DS and corrective surgery of this vascular anomaly should be restricted to selected cases.

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Figures

Fig. 1
Fig. 1
Barium contrast examination of the esophagus
Fig. 2
Fig. 2
CT-3D volume rendering (Aquarius Net Viewer V1.6.0.8, TeraRecon, San Mateo, CA, USA). An aberrant right subclavian artery forms the fourth side-branch
Fig. 3
Fig. 3
Anatomy of an aberrant right subclavian artery. Right common carotid artery (1), left common carotid artery (2), left subclavian artery (3), aberrant right subclavian artery (4), ascending aorta (5), esophagus (6), and left bronchus (7)
See this image and copyright information in PMC

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