Vascular rings/slings

• Abnormal vasculature which compresses the trachea +/- the esophagus

• Symptoms include stridor, wheezing or feeding difficulties

• Variety of lesions

  • Double aortic arch (~50%)

  • Right sided arch with left sided ligamentum arteriosum (20%)

  • PA sling – left PA arises from Right PA (rare)

• Barium swallow may demonstrate retro-esophageal compression