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Stenting of a left main coronary artery dissection and stent-graft implantation for acute type a aortic dissection

Kiyotaka Imoto1, Keiji Uchida, Shinichi Suzuki

  • 1Department of Cardiovascular Surgery, Yokohama City University, School of Medicine, Medical Center, Yokohama, Japan. imoto@urahp.yokohama-cu.ac.jp

Journal of Endovascular Therapy : an Official Journal of the International Society of Endovascular Specialists
|April 13, 2005
PubMed

Insights

This case report details a successful staged endovascular repair for acute type A aortic dissection complicated by left main coronary artery dissection. The minimally invasive approach preserved coronary artery patency and prevented cardiac events.

Area of Science:

  • Cardiovascular Surgery
  • Interventional Cardiology
  • Aortic Disease Management

Background:

  • Acute type A aortic dissection is a life-threatening condition requiring prompt intervention.
  • Coronary artery involvement in aortic dissection presents significant management challenges and increases mortality risk.

Observation:

  • A 71-year-old male presented with acute type A aortic dissection.
  • Dissection extended to the left main coronary artery, causing severe myocardial ischemia.
  • A staged endovascular repair involving Palmaz stent placement and a customized stent-graft was performed.

Findings:

  • The endovascular repair successfully restored aortic integrity and maintained left main coronary artery patency.
  • Complete thrombosis of the false lumen was observed in the ascending aorta, transverse arch, and descending thoracic aorta.
  • The patient remained event-free with patent coronary arteries at 14-month follow-up.

Implications:

  • Staged endovascular repair offers a viable treatment option for complex acute type A aortic dissections involving coronary arteries.
  • This approach may reduce the risk of myocardial ischemia and improve outcomes in selected patients.
  • Further research is warranted to evaluate the long-term efficacy and safety of this technique.
Abstract

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