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Updated: Dec 12, 2025

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
Intercostal artery embolization to induce false lumen thrombosis in type B aortic dissection
Gregory A Magee1, Jeniann A Yi2, David P Kuwayama3
1Division of Vascular Surgery and Endovascular Therapy, Department of Surgery, Keck Medical Center of University of Southern California, Los Angeles, Calif.
Abstract:
Persistent false lumen flow is common after thoracic endovascular aortic repair of type B aortic dissection and may contribute to continued aortic aneurysmal degeneration. We report an innovative technique of intercostal artery embolization within the false lumen for a patient who had incomplete false lumen thrombosis and progressive aortic enlargement after thoracic endovascular aortic repair of chronic type B aortic dissection. Technical success was facilitated by use of on-table cone beam computed tomography angiography, virtual vessel marking, and modern endovascular tools. The patient had no complications from the procedure. Postoperative imaging demonstrated complete thoracic false lumen thrombosis and favorable aortic remodeling with reduction in maximal aortic diameter.
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