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Kommerell Diverticulum in a Right-Sided Aortic Arch.

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Summary

Kommerell diverticulum, a rare aortic anomaly, involves an aneurysm at the aberrant subclavian artery origin. Surgical repair of this descending aorta aneurysm was successfully performed using deep hypothermic circulatory arrest.

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Area of Science:

  • Cardiovascular Surgery
  • Thoracic Surgery
  • Vascular Surgery

Background:

  • Kommerell diverticulum is a rare congenital aortic anomaly.
  • It is characterized by an aneurysm at the origin of an aberrant subclavian artery, typically arising from a right-sided aortic arch.

Observation:

  • A 57-year-old male presented with an aberrant origin of the left subclavian artery.
  • This anomaly arose from a right-sided aortic arch originating from a large aneurysm in the proximal descending aorta.

Findings:

  • The surgical strategy involved resection of the Kommerell diverticulum.
  • Repair of the proximal descending aorta was achieved using deep hypothermic circulatory arrest.
  • A left posterolateral thoracotomy approach was utilized.

Implications:

  • This case highlights a successful surgical approach for managing complex Kommerell diverticulum.
  • The described technique offers a viable option for aortic anomaly repair.
  • Effective management of this rare condition is crucial for preventing complications.