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Joseph Junewick, MD FACR
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Aortic Coarctation

Case Detail

Anatomy: Chest
Junewick
Joseph Junewick, MD FACR
Diagnostic Category: Developmental or Congenital
Created: over 8 years ago
Updated: over 6 years ago
Tags: PEDS
Modality/Study Types: CT
Activities:
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History

8 year old male with diminished lower extremity pulses.


Case Images


Diagnosis

Aortic Coarctation

Findings

CT – Oblique sagittal and maximum intensity projections images demonstrated tight coarctation of the aorta with associated stenosis of the left subclavian artery. Note the well developed bronchial and internal mammary collaterals.

Discussion

Aortic coarctation is a discrete narrowing of the aortic arch, just distal to the left subclavian artery. It is the most commonly encountered congenital anomaly of the thoracic aorta. Most often aortic coarctation is diagnosed during infancy related to diminished lower extremity pulses but about 20% are diagnosed during adolescence or adulthood. Major late complications of aortic coarctation may include systemic hypertension, accelerated atherosclerosis, and intracranial aneurysm rupture.
Bicuspid aortic valve is encountered in 50–85% of patients with coarctation which may result in aortic valve stenosis, regurgitation, or both.

Reference

Dillman JR, Hernandez RJ. Role of CT in the Evaluation of Congenital Cardiovascular Disease in Children. AJR (2009); 192:1219-1231.



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