Novel technique in frozen elephant trunk positioning method using the ostium of the coronary artery on transesophageal echocardiography as an index

The frozen elephant trunk (FET) technique is useful in the single-stage treatment of aortic arch aneurysms. Since there is no established implantation method for evaluating the distal end of the FET during surgery, we propose the FET positioning method using the ostium of the coronary artery on tran...

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Bibliographic Details
Published in:General thoracic and cardiovascular surgery 2022-11, Vol.70 (11), p.993-996
Main Authors: Nogami, Eijiro, Furukawa, Kojiro, Fumoto, Hideyuki, Kamohara, Keiji
Format: Article
Language:English
Subjects:
Aortic aneurysms
Cardiac Surgery
Cardiology
Conflicts of interest
Coronary vessels
How to Do It
Medicine
Medicine & Public Health
Spinal cord injuries
Surgery
Surgical Oncology
Thoracic Surgery
Transient ischemic attack
Veins & arteries
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Summary:The frozen elephant trunk (FET) technique is useful in the single-stage treatment of aortic arch aneurysms. Since there is no established implantation method for evaluating the distal end of the FET during surgery, we propose the FET positioning method using the ostium of the coronary artery on transesophageal echocardiography (TEE) as an index. We performed 11 total arch replacement operations using an FET for aortic arch aneurysm. The planned position of the FET was determined by computed tomography (CT), and the distance to the ostium of the coronary artery was measured. Intraoperatively, using TEE as a guide, the FET was implanted using our method. Postoperative CT was evaluated the distance from the planned FET position, and the average and median difference was only 0.96 cm and 0.6 cm, respectively. TEE-guided FET deployment using the coronary artery ostium as an index is a simple and reproducible technique.
ISSN:1863-6705
1863-6713
DOI:10.1007/s11748-022-01847-x