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Late changes in a bovine graft.--A case report.
The Japanese Journal of Surgery
|January 1, 1982
Summary
A bovine graft used for femorofemoral bypass developed aneurysmal dilation and fragility. Histological analysis revealed collagen disruption, suggesting limited use for bovine grafts in vascular reconstruction.
Area of Science:
- Vascular Surgery
- Biomaterials Science
- Histopathology
Background:
- Femorofemoral bypass surgery is a common procedure for treating peripheral artery disease.
- Bovine grafts have been utilized as vascular prostheses, but their long-term durability remains a concern.
Observation:
- Aneurysmal dilation occurred throughout a bovine graft 29 months after femorofemoral bypass.
- The graft wall exhibited significant fragility and extensive collagen fiber disruption.
Findings:
- Newly formed arteries within the graft wall contributed to bleeding and structural compromise.
- Histological examination indicated severe degradation of the bovine graft material.
Implications:
- Bovine grafts may be suitable only for short-term applications or replacement of smaller arteries.
- This case highlights the potential risks associated with long-term use of bovine grafts in high-flow arterial reconstructions.