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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
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Novel and Innovative Hybrid Technique for Type A Aortic Dissection

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Acute Type A Aortic Dissection With an Anomalous Aortic Origin of the Right Coronary Artery: A Rare Entry Formation

Takuya Matsushiro1, Tomoki Tamura1, Eri Kuroda1

  • 1Department of Cardiovascular Surgery, National Center for Global Health and Medicine, Tokyo, Japan.

The Annals of Thoracic Surgery
|July 22, 2025
PubMed

Insights

Anomalous aortic origin of a coronary artery (AAOCA) is a rare condition. Surgical repair of acute aortic dissection with AAOCA, involving coronary reconstruction, was successfully performed in a 75-year-old woman.

Area of Science:

  • Cardiovascular Surgery
  • Congenital Heart Disease
  • Aortic Pathology

Background:

  • Anomalous aortic origin of a coronary artery (AAOCA) is a rare congenital heart defect.
  • AAOCA can cause coronary artery obstruction, leading to sudden cardiac death.
  • Acute aortic dissection involving AAOCA presents complex surgical challenges.

Observation:

  • A 75-year-old woman presented with acute aortic dissection and AAOCA.
  • The dissection involved a rupture of the aortic root.
  • The intramural segment of the right coronary artery was torn.

Findings:

  • Aortic root reconstruction was performed due to the rupture.
  • An aortocoronary bypass was necessary to repair the torn right coronary artery.
  • The surgical intervention was technically successful.

Implications:

  • This case highlights the need for meticulous surgical planning in complex aortic dissections with AAOCA.
  • Successful coronary reconstruction is crucial for managing these rare anomalies.
  • This approach may offer a viable solution for similar challenging cases.

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