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Updated: Nov 15, 2025

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Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
619
Frozen Elephant Trunk Without Circulatory Arrest in Acute Aortic Dissection
Marco Di Eusanio1, Emanuele Gatta2
1Cardiac Surgery Department, Lancisi Cardiovascular Center, Ospedali Riuniti, Politechnic University of Marche, Ancona, Italy.
The Annals of Thoracic Surgery
|March 5, 2021
Summary
This study presents a novel hybrid approach for frozen elephant trunk repair, avoiding hypothermia and circulatory arrest. This technique shows promise for improving outcomes in complex aortic arch disease.
Area of Science:
- Cardiovascular Surgery
- Vascular Surgery
- Thoracic Surgery
Background:
- Frozen elephant trunk (FET) is a key procedure for extensive thoracic aortic disease.
- Current FET techniques often involve hypothermia and circulatory arrest, carrying significant risks.
- Improving patient outcomes necessitates refining FET methodologies.
Observation:
- A hybrid approach was developed to perform FET without hypothermia and circulatory arrest.
- This technique was initially applied to chronic aneurysms.
- The approach was successfully adapted for a patient with acute type 1 aortic dissection.
Findings:
- The hybrid FET approach enables the procedure without requiring hypothermia or circulatory arrest.
- Key elements include transfemoral stent-graft deployment, balloon clamping, and antegrade aortic perfusion.
- This method was demonstrated effectively in a complex acute aortic dissection case.
Implications:
- This hybrid technique offers a potentially safer alternative for FET repair.
- It may reduce postoperative mortality and morbidity associated with traditional FET procedures.
- Further research could establish this approach as a new standard for thoracic aortic disease management.

