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[Composite valve graft replacement in patients with type A aortic dissection--a modified cabrol procedure]
Y Moriyama1, Y Iguro, S Watanabe
1Second Department of Surgery, Kagoshima University, Japan.
Insights
A modified aortic root replacement technique reduces bleeding complications in complex cases. This method, utilizing aortic button and Cabrol techniques, is recommended for patients with acute aortic dissection and friable tissue.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Surgery
Context:
- Composite valve graft replacement is standard for aortic root conditions.
- Bleeding from suture lines and coronary anastomoses is a significant complication, particularly in patients with friable aortic tissue due to dissection.
Purpose:
- To describe a modified surgical technique for aortic root replacement.
- To address the challenge of bleeding in patients with friable aortic tissue, specifically in Type A aortic dissection.
Summary:
- A modified technique combining aortic button and Cabrol methods was used for coronary artery reattachment in seven patients undergoing aortic root replacement for Type A dissection.
- The technique aims to secure coronary ostia reattachment and minimize bleeding from the proximal suture line and coronary anastomosis.
Impact:
- The modified technique demonstrated favorable outcomes in a small cohort, suggesting reduced bleeding complications.
- This approach is recommended for patients with acute aortic dissection involving a nondilated annulus, Marfan syndrome, or annulo-aortic ectasia, especially when aortic tissue is friable.
Abstract:
Composite valve graft replacement of the ascending aorta and aortic valve is indicated for a variety of conditions affecting the aortic root. However, a major drawback in this operation is bleeding from the proximal suture line and coronary anastomosis especially in patient with friable root tissue involved by aortic dissection. We describe here a modified technique to take advantage of the aortic button and cabrol techniques to reattach the coronary artery ostia. We have experienced seven patients with the aortic root replacements for type A dissection using the described technique over the past two years. In view of our favorable experience, we recommend this technique especially for patient with acute dissection involving nondilated aortic annulus, in addition to the patients with Marfan syndrome or annulo-aortic ectasia.