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Right aortic arch causing left bronchus obstruction.

E V Bennett1, F L Grover, J K Trinkle

  • 1Division of Cardiothoracic Surgery of The University of Texas Health Science Center at San Antonio and the Audie Murphy Veterans Administration Hospital, 7703 Floyd Curl Drive, San Antonio, Texas 78284, USA.

Texas Heart Institute Journal
|June 1, 1984
PubMed
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A rare right aortic arch vascular ring in an infant mimicked foreign body aspiration. This anomaly caused left main bronchus compression, leading to air trapping and unilateral lung hyperinflation.

Area of Science:

  • Cardiovascular Surgery
  • Pediatric Pulmonology
  • Medical Imaging

Background:

  • Vascular rings are congenital anomalies of the aortic arch.
  • Right aortic arch with mirror-image branching is a rare variant.
  • Vascular anomalies can compress the airway, mimicking other conditions.

Purpose of the Study:

  • To report a case of a right aortic arch vascular ring presenting as foreign body aspiration.
  • To describe the specific anatomy of this complex vascular ring.
  • To discuss the implications of such anomalies on infant respiratory function.

Main Methods:

  • Case report presentation.
  • Review of relevant medical literature.
  • Diagnostic imaging interpretation (implied).

Related Experiment Videos

Main Results:

  • A right aortic arch with mirror-image branches and a retroesophageal left aortic diverticulum with a left ductus arteriosus was identified.
  • The vascular ring caused partial occlusion of the left main bronchus.
  • This resulted in air trapping and unilateral lung hyperinflation in the infant.

Conclusions:

  • Right aortic arch vascular rings can present atypically, mimicking foreign body aspiration.
  • Airway compression by vascular anomalies is a critical consideration in pediatric respiratory distress.
  • Early diagnosis and management of vascular rings are essential to prevent complications.