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Updated: Jul 12, 2026
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Full-root Aortic Valve Replacement by Stentless Aortic Xenografts in Patients with Small Aortic Roots
Published on: May 21, 2017
Concomitant aortic arch and root replacement using a stentless xenograft for acute type A dissection
T Takahashi1, Y Shimazaki, T Watanabe
1Second Department of Surgery, Yamagata University Medical School, Yamagata, Japan.
The Japanese Journal of Thoracic and Cardiovascular Surgery : Official Publication of the Japanese Association for Thoracic Surgery = Nihon Kyobu Geka Gakkai Zasshi
|August 3, 2001
Summary
A stentless xenograft offers a safe and effective option for elderly patients with acute aortic dissection requiring aortic root repair. This approach provides an aggressive surgical solution for complex aortic conditions.
Area of Science:
- Cardiovascular Surgery
- Thoracic Surgery
- Aortic Surgery
Background:
- Acute type A aortic dissection is a life-threatening condition often requiring complex surgical intervention.
- Aortic root aneurysm and regurgitation present significant challenges in managing acute aortic dissections, particularly in elderly patients.
- Traditional surgical options for aortic root reconstruction in acute dissections have limitations, especially concerning long-term durability and patient selection.
Observation:
- A 78-year-old female patient with aortic root aneurysm and aortic regurgitation experienced acute type A aortic dissection.
- The patient successfully underwent aortic root replacement using a stentless xenograft under core cooling.
- The procedure was followed by total aortic arch replacement utilizing selective cerebral perfusion with deep hypothermia.
Findings:
- Stentless xenografts can be employed similarly to free-hand homografts in aortic root replacement for acute dissections.
- The use of a stentless xenograft in this case demonstrated feasibility and safety in an elderly patient.
- This surgical strategy addresses the complex anatomy of aortic root involvement in acute type A dissections.
Implications:
- Stentless xenografts represent a potentially aggressive yet safe alternative for aortic root reconstruction in elderly patients with acute aortic dissection.
- This approach may expand treatment options for complex aortic pathologies in a vulnerable patient population.
- Further research into the long-term outcomes of stentless xenografts in acute aortic dissections is warranted to solidify their role in surgical practice.
