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Updated: Jun 29, 2026

Novel and Innovative Hybrid Technique for Type A Aortic Dissection
Published on: March 28, 2025
Aortic valve replacement with patent bilateral internal thoracic artery grafts using cross-clamp fibrillation
I Dimarakis1, D C Stefanou, J W Mulholland
1Department of Cardiothoracic Surgery, Hammersmith Hospital, London, UK. ioannis.dimarakis@imperial.ac.uk
Insights
Redo aortic valve replacement with patent coronary grafts is challenging. Cross-clamp fibrillation offers a method for myocardial protection in these complex cardiac surgeries.
Area of Science:
- Cardiovascular Surgery
- Cardiac Anesthesia
- Thoracic Surgery
Background:
- Aortic valve replacement in patients with existing coronary artery bypass grafts presents unique surgical challenges.
- Maintaining myocardial protection during redo aortic valve surgery is a critical technical consideration.
Observation:
- This case report details aortic valve replacement in a patient with patent bilateral internal thoracic artery grafts.
- The surgical team employed cross-clamp fibrillation for intraoperative myocardial protection.
Findings:
- Successful aortic valve replacement was achieved using cross-clamp fibrillation.
- This technique facilitated myocardial protection in a complex redo cardiac surgery scenario.
Implications:
- Cross-clamp fibrillation may be a viable strategy for myocardial protection in redo aortic valve replacement with patent grafts.
- Further research into myocardial protection techniques for complex cardiac redo procedures is warranted.
Abstract:
Aortic valve replacement in patients with patent coronary grafts poses many challenges. Intraoperative myocardial protection remains one of the key technical issues in these redo cases. We present a case of aortic valve replacement with patent bilateral internal thoracic artery grafts, using cross-clamp fibrillation.

